Managed XDR

c-windows-u513tjh.exe (BlackMatter, Lockbit) — malware analysis report

File info

Filename
c-windows-u513tjh.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
File size
167.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
39778ea66cb546f632794ae0d5aa9f8d651b30fe
SHA256
aa313633ba586ef0a501bb21e7c4cc0a22ce1ca8ee2fb701cdec715e5d0809ce
MD5
e633e28c1f5bde3e023da0204b85caf0

Malwares

  • BlackMatter
  • Lockbit

Signatures

Privilege Escalation

T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 packer_upx: The executable file is compressed using UPX
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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