Managed XDR

wextract.exe-.mui (Symmi, Tinba) — malware analysis report

File info

Filename
wextract.exe-.mui
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
3.7 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
bf27fc4b7f19da20a9d9326e5e5d6c43f75e21d9
SHA256
8af0761d37a45b8937e4a3267a03afe7f95357939efb30ea396c087aed90f500
MD5
e2d0d54ec51bef70ea26dcb4b78a7288

Malwares

  • Symmi
  • Tinba

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 packer_themida: Themida packer signatures detected
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
test_check_service: Starts services
executes_dropped_exe: Executes dropped exe files

Related reports

Managed XDR