Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2023, 16:48

General

  • Target
    yohlef.msi
  • Size 404KB
  • Sample230601-va38ksfd62
  • SHA256 30384e44c5df96b7809a94c2320caeb8ea94d6c9a2d0bf5a10206bee397f1c26
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • qakbot

Version
  • 404.1346

Botnet
  • obama266

Campaign
  • 1685611378

C2
  • 24.234.220.88:990

  • 70.28.50.223:2078

  • 96.56.197.26:2083

  • 103.123.223.133:443

  • 83.249.198.100:2222

  • 199.27.66.213:443

  • 90.104.151.37:2222

  • 94.204.202.106:443

  • 72.205.104.134:443

  • 65.95.141.84:2222

  • 82.131.141.209:443

  • 77.126.99.230:443

  • 71.38.155.217:443

  • 205.237.67.69:995

  • 84.215.202.8:443

  • 24.234.220.88:465

  • 76.178.148.107:2222

  • 116.74.163.130:443

  • 70.28.50.223:2087

  • 147.147.30.126:2222

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Windows directory 8 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\yohlef.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4660
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2584
      • C:\Windows\system32\wscript.exe
        wscript.exe C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\notify.vbs
        2⤵
          PID:4940
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\main.dll,next
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1188
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\main.dll,next
            3⤵
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4776
            • C:\Windows\SysWOW64\wermgr.exe
              C:\Windows\SysWOW64\wermgr.exe
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4152
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:1356

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            e56ede0.rbs

            • Path C:\Config.Msi\e56ede0.rbs
            • Size 9KB
            • SHA256 e455d2869edabbe03939ce0b68d3f0045659eab617f7b068f6741f4095f9b617
            • MD5 SHA1 SHA512 SSDEEP

            main.dll

            • Path C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\main.dll
            • Size 752KB
            • SHA256 3449a237b8e97a0bc08f3867f884b68cf4d1770bfaa7c0834786d105a741f273
            • MD5 SHA1 SHA512 SSDEEP

            main.dll

            • Path C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\main.dll
            • Size 752KB
            • SHA256 3449a237b8e97a0bc08f3867f884b68cf4d1770bfaa7c0834786d105a741f273
            • MD5 SHA1 SHA512 SSDEEP

            notify.vbs

            • Path C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\notify.vbs
            • Size 132B
            • SHA256 d24e3399060b51f3a1c9d41a67de2601888a35c99da8db70070d757bb3f1913a
            • MD5 SHA1 SHA512

            e56eddf.msi

            • Path C:\Windows\Installer\e56eddf.msi
            • Size 404KB
            • SHA256 30384e44c5df96b7809a94c2320caeb8ea94d6c9a2d0bf5a10206bee397f1c26
            • MD5 SHA1 SHA512 SSDEEP

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 23.0MB
            • SHA256 2b273fc4d63a6dbceb3fd7390482e5764a6ba765902ed8cf733a8aaae832a121
            • MD5 SHA1 SHA512 SSDEEP

            {a96b8759-8781-4b41-b78e-34b8f0d68f45}_OnDiskSnapshotProp

            • Path \??\Volume{c9ab6598-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{a96b8759-8781-4b41-b78e-34b8f0d68f45}_OnDiskSnapshotProp
            • Size 5KB
            • SHA256 6fb84a36555f474814b2be0e469e5fd22609cf0a44082d6ee2d911bd33410c3a
            • MD5 SHA1 SHA512 SSDEEP

            memory/4152-166-0x00000000010B0000-0x00000000010D4000-memory.dmp

            memory/4152-165-0x00000000010E0000-0x00000000010E2000-memory.dmp

            memory/4152-172-0x00000000010B0000-0x00000000010D4000-memory.dmp

            memory/4152-173-0x00000000010B0000-0x00000000010D4000-memory.dmp

            memory/4152-174-0x00000000010B0000-0x00000000010D4000-memory.dmp

            memory/4152-175-0x00000000010B0000-0x00000000010D4000-memory.dmp

            memory/4152-176-0x00000000010B0000-0x00000000010D4000-memory.dmp

            memory/4776-160-0x0000000002E70000-0x0000000002E94000-memory.dmp

            memory/4776-159-0x0000000002E60000-0x0000000002E63000-memory.dmp