General

  • Target

    2024-04-26_e5688a4c13bed28637fd22bb920e1b86_darkside

  • Size

    194KB

  • Sample

    240427-arv83sfb52

  • MD5

    e5688a4c13bed28637fd22bb920e1b86

  • SHA1

    c4e491d4611e7c50904164c0f9f0ff232cde04da

  • SHA256

    2925e11520e3d009f092fada3a10cf9ece1a22388a56d7a4c1571522d9b62af4

  • SHA512

    ce21d161bb7aa31a6abbbaece080138c530bd0d5bcf28e8d70c4bc33374a396e8a97cc429e0c3791afc4c4368d6e8061bcd6ef38d77ae0cc9ad32dfbdf685168

  • SSDEEP

    3072:56glyuxE4GsUPnliByocWepRGbVZqid91h2ys+tU:56gDBGpvEByocWeubV4inP9B

Malware Config

Targets

    • Target

      2024-04-26_e5688a4c13bed28637fd22bb920e1b86_darkside

    • Size

      194KB

    • MD5

      e5688a4c13bed28637fd22bb920e1b86

    • SHA1

      c4e491d4611e7c50904164c0f9f0ff232cde04da

    • SHA256

      2925e11520e3d009f092fada3a10cf9ece1a22388a56d7a4c1571522d9b62af4

    • SHA512

      ce21d161bb7aa31a6abbbaece080138c530bd0d5bcf28e8d70c4bc33374a396e8a97cc429e0c3791afc4c4368d6e8061bcd6ef38d77ae0cc9ad32dfbdf685168

    • SSDEEP

      3072:56glyuxE4GsUPnliByocWepRGbVZqid91h2ys+tU:56gDBGpvEByocWeubV4inP9B

    • Renames multiple (266) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Impact

Defacement

1
T1491

Tasks