General

  • Target
    OBS-Studio-32.0.4-Windows-x64-Installer.exe
  • Size 150.2MB
  • Sample260824-vsazraap7v
  • SHA256 46a18bce8e2ff662b700c91d340a519376e712fe0af0d335536e4f9fd253f10a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      OBS-Studio-32.0.4-Windows-x64-Installer.exe
    • Size 150.2MB
    • SHA256 46a18bce8e2ff662b700c91d340a519376e712fe0af0d335536e4f9fd253f10a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Target
      $APPDATA/obs-studio-hook/graphics-hook32.dll
    • Size 242KB
    • SHA256 64f1dc6b6562d838a240d1c21e74d4159d8e56d2a773b91d144e53da6c31530e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $APPDATA/obs-studio-hook/graphics-hook64.dll
    • Size 296KB
    • SHA256 db8d7ea45c7d29d02740ef5ca8ec3d957dcbf8a0d4082c0e051f8165ac392e56
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      $PLUGINSDIR/InstallOptions.dll
    • Size 15KB
    • SHA256 89dd7d646278d8bfc41d5446bdc348b9a9afaa832abf02c1396272bb7ac7262a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/OBSInstallerUtils.dll
    • Size 426KB
    • SHA256 1d84aa191fbbd842d5eeed302195579de1256a9acb980308bf31a631ac01e530
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      $PLUGINSDIR/VC_redist.x64.exe
    • Size 24.2MB
    • SHA256 3642e3f95d50cc193e4b5a0b0ffbf7fe2c08801517758b4c8aeb7105a091208a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      $PLUGINSDIR/check_for_64bit_visual_studio_2022_runtimes.exe
    • Size 10KB
    • SHA256 b324a6025986306656fc2a03d0a3e9ed5917dfa7cf14fbfca888d65b39822074
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      bin/64bit/Qt6Core.dll
    • Size 5.8MB
    • SHA256 9f850a87bed12a62dafb3ad837eb61079c81cae3e4530f667679414cb9d2f7bd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      bin/64bit/Qt6Gui.dll
    • Size 7.6MB
    • SHA256 65db7bf5688d47b11f70fd927fc04852ca6db1a1f40cd367efd970c997b2224d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      bin/64bit/Qt6Network.dll
    • Size 1.7MB
    • SHA256 41a964c710ff710a0257800598f64c96d5c0547c22fb8c600864825bfe30fc33
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      bin/64bit/Qt6Svg.dll
    • Size 506KB
    • SHA256 b6ab980e3fef618ee44ae7604530b64920eeb7683d5e008ae57c94c4ecff5714
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      bin/64bit/Qt6Widgets.dll
    • Size 6.2MB
    • SHA256 1cf25d66dc32deeeb2d801e34d9d1320e09712bd1dd6ff5ca4f198a03e9f3f18
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      bin/64bit/Qt6Xml.dll
    • Size 147KB
    • SHA256 142378bc2812718f55283dd2817045626aebbcb828d1de1a461a6bc08698652a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      bin/64bit/avcodec-61.dll
    • Size 36.1MB
    • SHA256 fa26d83d428e6d54b63063dd87457a6325999db0ec96c485893ed2e67ec9924f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      bin/64bit/avdevice-61.dll
    • Size 81KB
    • SHA256 e2c2c8ba1ccefb2c049b87338743055a5a154dcfd73c663533c1fe9cd02696fb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

discoverypersistenceprivilege_escalationransomware
Score
7/10

behavioral2

discoverypersistenceprivilege_escalationransomware
Score
7/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

Score
1/10

behavioral6

Score
1/10

behavioral7

discovery
Score
3/10

behavioral8

discovery
Score
3/10

behavioral9

discovery
Score
3/10

behavioral10

discovery
Score
3/10

behavioral11

discovery
Score
3/10

behavioral12

adwarediscoverypersistenceransomwarespyware
Score
8/10

behavioral13

discovery
Score
4/10

behavioral14

adwarediscoverypersistenceransomwarespyware
Score
6/10

behavioral15

Score
1/10

behavioral16

adwarepersistenceransomwarespyware
Score
8/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

Score
1/10

behavioral20

adwarepersistenceransomwarespyware
Score
8/10

behavioral21

Score
1/10

behavioral22

adwarepersistenceransomwarespyware
Score
8/10

behavioral23

Score
1/10

behavioral24

adwarepersistenceransomwarespyware
Score
8/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

adwarepersistenceransomwarespyware
Score
8/10

behavioral29

Score
1/10

behavioral30

adwarepersistenceransomwarespyware
Score
8/10

behavioral31

Score
1/10

behavioral32

adwarepersistenceransomwarespyware
Score
8/10