Managed XDR

server.exe (GandCrab, ISFB) — malware analysis report

File info

Filename
server.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
281.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e31912cc1f8d29f83a438ad8631c59fa7c3ff0b9
SHA256
dd0faf063e2118b97c5866b1d7757d0fe0fa3e74bf58ceec853a613f90866444
MD5
bd0c85dfbeea3717fcc91c07a72e2bbb

Malwares

  • GandCrab
  • ISFB

Signatures

Privilege Escalation

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
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1032 internet_security_options: Sets Internet connections options that are not secure
T1071 internet_security_options: Sets Internet connections options that are not secure
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
ce_info: Gozi static config Configuration Data found
gozi2_downloader: Detected downloader of banker GOZI(ver 2)
gozi_downloader: GOZI family trojan downloader detected (undefined version)
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
get_policy_info: Retrieves information about a Policy object

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