Managed XDR

bit.exe (Lockbit) — malware analysis report

File info

Filename
bit.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
File size
40.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
345d4bf6b704b1a71e06892669e49f3ffbb09712
SHA256
cac66fd3298008964d7d9695a57cec4e3d047a024a207c5e0ea66584a4f77c04
MD5
827da4a392caabdd82b322f339cc9979

Malwares

  • Lockbit

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_upx: The executable file is compressed using UPX
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets

Discovery

T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497.001 antivm_queries_computername: Retrieves the computer name

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Impact

T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)
T1486 ransomware_extensions: Ransomware(s) Lockbit indicators detected (specific extension is added to files)
T1486 ransomware_files: Ransomware indicators detected Lockbit (creates keys and the instruction on how to unlock the files)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)

Other

yara_rules: Static rules
ce_info: Lockbit Configuration Data found
lockbit: Detected ransomware Lockbit
no_graphical_activity: No graphic activity
writes_data: Writes big amount of data to disk

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