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
7.1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
18cec5ae80398e9bd0dfb277ebd89de70b991611
SHA256
99a8921aff42fc3f0fa7d283c129577473513f4b91f470c099ccc8df243c5877
MD5
a91afae84315911258467990b0067c6e

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
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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