Managed XDR

payload.bin (Lockbit, BlackMatter) — malware analysis report

File info

Filename
payload.bin
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
121.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a618a0e0fb8494cf6e1c1f85cee8fdca18e49368
SHA256
998aecb51a68208caa358645a3d842576eec6c443c2a7693125d6887563ea2b4
MD5
047ca69bd66b801d75fd68f66b632359

Malwares

  • Lockbit
  • BlackMatter

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1562.001 disables_security: Disables Windows Security options
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1574.011 persistence_services: Modifies Services registry key
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Impact

T1489 stops_service: Stops Windows services
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
lockbit: Detected ransomware Lockbit
no_graphical_activity: No graphic activity
access_recyclebin: Manipulation with recyclebin detected
message_box: Displays a message
error_drawtext: An error occured while executing the file
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

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