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
6.9 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
845f629ab15937488108bf108bbaa394eae406dc
SHA256
6f948b3aab0811ea957a73f436f87c46f2ecc05967fa345024bfb1e5da82d8a2
MD5
d5b85bea690c04bed1bee5c2f4b656b5

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
writes_data: Writes big amount of data to disk
executes_dropped_exe: Executes dropped exe files

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