Managed XDR

exemplar (GandCrab) — malware analysis report

File info

Filename
exemplar
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
545.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
54ce829606961117c2991f8b3fe5dc07581a05d4
SHA256
befdf9d87029775ade889e39e22c3c91d7373af8806ef92ef6a91da712592e96
MD5
f5329e34339a827d0792ee2a79c1e11f

Malwares

  • GandCrab

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
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

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
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
T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
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
T1497.001 antivm_queries_computername: Retrieves the computer name

Discovery

T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
suspicious_process: Spawns a suspicious process
process_crashed: One of the processes has failed
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

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