Managed XDR

ransomwareku.exe (GandCrab, Virlock) — malware analysis report

File info

Filename
ransomwareku.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
File size
24.8 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
12ad5d3fa696dd1c956c88ac729cde59091e0081
SHA256
5d7d27937538393ffab4b3e899fe4fc92236c7fa7db3e23f82fe1a912b83deaa
MD5
5c30c07c0ceee36f60a6434fccd95914

Malwares

  • GandCrab
  • Virlock

Signatures

Execution

T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names

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

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language
T1027.002 nsis_archive: One of the packages is NSIS archive
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space

Other

yara_rules: Static rules
require_administrator: Requests administrator privileges
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay

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