Managed XDR

scratch-zoo-2025-04-30...46825f9a0f85a9d232fc42 — malware analysis report

File info

Filename
scratch-zoo-2025-04-30-1456ea08b046825f9a0f85a9d232fc42
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
14.8 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7cee8a2dc9dfc913534afd7ccac0d3b783650788
SHA256
b956dbca6692e31214dfdad7a45a36b5fa1c6576725d33830e044178830b7dec
MD5
1456ea08b046825f9a0f85a9d232fc42

Signatures

Execution

T1569.002 persistence_service: Starts newly created service

Persistence

T1543.003 creates_service: Creates a service, that will start automatically

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1543.003 creates_service: Creates a service, that will start automatically
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1070.004 deletes_self: Moves to different location or removes the original executable file
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562.001 disables_security: Disables Windows Security options
T1096 persistence_ads: Creates Alternate Data Stream (ADS)
T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
T1562.004 firewall_add_rule: Modifies Firewall rules
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window
T1497.001 antivm_queries_computername: Retrieves the computer name

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.003 network_smtp: Performs SMTP requests, possibly sends SPAM messages

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at 0.0.0.0:5594
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
suspicious_process: Spawns a suspicious process
network_ftp: Performs FTP requests
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay