Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2023, 01:38

General

  • Target
    a9740680f1c75a1b5ceb136f04ab322d3dcec86bb4102e54de16c72cb3970dd5.msi
  • Size 416KB
  • Sample230528-b2rjbaec5z
  • SHA256 a9740680f1c75a1b5ceb136f04ab322d3dcec86bb4102e54de16c72cb3970dd5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • qakbot

Version
  • 404.1249

Botnet
  • BB29

Campaign
  • 1685100431

C2
  • 50.68.186.195:443

  • 66.180.234.51:2222

  • 103.141.50.43:995

  • 69.242.31.249:443

  • 173.88.135.179:443

  • 12.172.173.82:465

  • 86.130.9.242:2222

  • 92.27.86.48:2222

  • 88.126.94.4:50000

  • 113.11.92.30:443

  • 12.172.173.82:995

  • 92.154.17.149:2222

  • 92.135.0.154:2222

  • 212.169.233.141:3389

  • 103.123.223.133:443

  • 12.172.173.82:32101

  • 70.28.50.223:3389

  • 47.21.51.138:443

  • 75.98.154.19:443

  • 47.205.25.170:443

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\a9740680f1c75a1b5ceb136f04ab322d3dcec86bb4102e54de16c72cb3970dd5.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3800
  • 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:4748
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5076
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\ZoomDesktopClient\main.dll,next
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3252
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\ZoomDesktopClient\main.dll,next
          3⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1316
          • C:\Windows\SysWOW64\wermgr.exe
            C:\Windows\SysWOW64\wermgr.exe
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:460
      • C:\Windows\system32\wscript.exe
        wscript.exe C:\Users\Admin\AppData\Local\ZoomDesktopClient\notify.vbs
        2⤵
          PID:4808
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:5032

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            e56d72c.rbs

            • Path C:\Config.Msi\e56d72c.rbs
            • Size 9KB
            • SHA256 be0da65fc591bf6cb14217ba0a9eb1513a294e7c8fca40f5c41d414cb4d655ff
            • MD5 SHA1 SHA512 SSDEEP

            main.dll

            • Path C:\Users\Admin\AppData\Local\ZoomDesktopClient\main.dll
            • Size 727KB
            • SHA256 6c0d3531c95bf245d6413dc7f3bf5739fc41f6064bf6d8fc66443f8e46d9ffd2
            • MD5 SHA1 SHA512 SSDEEP

            main.dll

            • Path C:\Users\Admin\AppData\Local\ZoomDesktopClient\main.dll
            • Size 727KB
            • SHA256 6c0d3531c95bf245d6413dc7f3bf5739fc41f6064bf6d8fc66443f8e46d9ffd2
            • MD5 SHA1 SHA512 SSDEEP

            notify.vbs

            • Path C:\Users\Admin\AppData\Local\ZoomDesktopClient\notify.vbs
            • Size 106B
            • SHA256 6142d9959be3e3d6276d33b6a8f5feac0116da002ae847f96079d7371974919f
            • MD5 SHA1 SHA512

            e56d72b.msi

            • Path C:\Windows\Installer\e56d72b.msi
            • Size 416KB
            • SHA256 a9740680f1c75a1b5ceb136f04ab322d3dcec86bb4102e54de16c72cb3970dd5
            • MD5 SHA1 SHA512 SSDEEP

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 23.0MB
            • SHA256 658cb90a38b031ca2387c0046d2a7ab3278530f8a9add362426bf6c2ac030324
            • MD5 SHA1 SHA512 SSDEEP

            {4e93c455-d588-47fb-8ee5-62b0f328783a}_OnDiskSnapshotProp

            • Path \??\Volume{61956d03-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{4e93c455-d588-47fb-8ee5-62b0f328783a}_OnDiskSnapshotProp
            • Size 5KB
            • SHA256 34c2d39685f27032f0eb1ec549ae107fa29e98578599734115fb553f0d9ed67c
            • MD5 SHA1 SHA512 SSDEEP

            memory/460-167-0x00000000009D0000-0x00000000009D2000-memory.dmp

            memory/460-168-0x00000000009A0000-0x00000000009C4000-memory.dmp

            memory/460-174-0x00000000009A0000-0x00000000009C4000-memory.dmp

            memory/460-176-0x00000000009A0000-0x00000000009C4000-memory.dmp

            memory/460-177-0x00000000009A0000-0x00000000009C4000-memory.dmp

            memory/460-178-0x00000000009A0000-0x00000000009C4000-memory.dmp

            memory/460-179-0x00000000009A0000-0x00000000009C4000-memory.dmp

            memory/1316-160-0x0000000000590000-0x00000000005B4000-memory.dmp

            memory/1316-159-0x0000000000580000-0x0000000000583000-memory.dmp

            memory/1316-175-0x0000000010000000-0x00000000100BD000-memory.dmp