Managed XDR

ls.exe (Lockbit) — malware analysis report

File info

Filename
ls.exe
File type
PE32+ executable (GUI) x86-64, for MS Windows
File size
502 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
aeca744f354c2ff8114d7db9cc7d4c2065f1e601
SHA256
0ed2e3b684ece975a5b7f7a306a1d27d00ef6d8e04d45efdff8832382860f495
MD5
1a0f1ccdb2d0802ecaa0783691b69411

Malwares

  • Lockbit

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

T1546 classes_autorun: Registers new extension and adds execution command

Privilege Escalation

T1546 classes_autorun: Registers new extension and adds execution command
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 pe_features: Executable file has PE anomalies (may be false positive)
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1480 system_default_lang_id_present: Checks the system language
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 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

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)

Other

lockbit: Detected ransomware Lockbit
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
access_recyclebin: Manipulation with recyclebin detected
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services

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