Analysis

  • max time kernel
    149s
  • max time network
    145s
  • 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 16:43

General

  • Target

    yohlef.msi

  • Size

    404KB

  • MD5

    1ddfcbdbe07f551e561be159a73d1c99

  • SHA1

    1ffea8c6ba224b4a9e6bb402b030a8c12f2523e2

  • SHA256

    30384e44c5df96b7809a94c2320caeb8ea94d6c9a2d0bf5a10206bee397f1c26

  • SHA512

    aa92c5f5fb036ce0d83afd7c804cc07940d62291b1c431249bb4fc982721ac117f7fde6fb28d7a30261e8ccdddca694879d382b2bb8b1d09179b4913bd495264

  • SSDEEP

    12288:MxCriEQzPJLNee9Lp1NjAyefvDz7n5DY:sdzFLPNjAyef7z7FY

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:4256
  • 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:4088
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4520
      • C:\Windows\system32\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\main.dll,next
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4308
        • 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:3468
          • C:\Windows\SysWOW64\wermgr.exe
            C:\Windows\SysWOW64\wermgr.exe
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:916
      • C:\Windows\system32\wscript.exe
        wscript.exe C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\notify.vbs
        2⤵
          PID:3860
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:1376

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Config.Msi\e56f514.rbs

        Filesize

        9KB

        MD5

        3aa3f68901aa9fd1bdb9f4996bbdbc90

        SHA1

        bcb37c758b7e93953f314611de22a4cb666df379

        SHA256

        14cb76f4117cf610920182c3bc47603e3adf229487849e8765fb3c7cdbc25c4a

        SHA512

        c38454abb9f55af2e4f06c00df8713b3839b329e543c8a11f8859c5b789b995a91b3fa74727ee47654b72dd444fa342f5ad4a54a26a0402e7cd6ceba25f6a094

      • C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\main.dll

        Filesize

        752KB

        MD5

        befad0feb0409d9676a166365e76a746

        SHA1

        b938403c00cbf4923cf89d39c7bfb4fa29c1ce29

        SHA256

        3449a237b8e97a0bc08f3867f884b68cf4d1770bfaa7c0834786d105a741f273

        SHA512

        4ee9832211a056d4185ed3232b4f16815816780f3e92b326957135c8ce8cdced73feada7686ec0747b907621fb96f1df975e6bf9e69fae8515d345c384d92cc8

      • C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\main.dll

        Filesize

        752KB

        MD5

        befad0feb0409d9676a166365e76a746

        SHA1

        b938403c00cbf4923cf89d39c7bfb4fa29c1ce29

        SHA256

        3449a237b8e97a0bc08f3867f884b68cf4d1770bfaa7c0834786d105a741f273

        SHA512

        4ee9832211a056d4185ed3232b4f16815816780f3e92b326957135c8ce8cdced73feada7686ec0747b907621fb96f1df975e6bf9e69fae8515d345c384d92cc8

      • C:\Users\Admin\AppData\Local\AdobeAcrobatPDFBrowserPlugin\notify.vbs

        Filesize

        132B

        MD5

        0d4c9f15ce74465c59ae36a27f98c817

        SHA1

        9cce8eefa4d3d9c5e161c5dbb860cfe1489c6b1a

        SHA256

        d24e3399060b51f3a1c9d41a67de2601888a35c99da8db70070d757bb3f1913a

        SHA512

        9bed0eafc2cf2a2360850ca1070ffb04ac14f04c78379485998a93f45012b5c11cc7f6f68129f65b8b5f90437cb965908c6a1bb9d83a56b068d6bde1d5fdad1f

      • C:\Windows\Installer\e56f513.msi

        Filesize

        404KB

        MD5

        1ddfcbdbe07f551e561be159a73d1c99

        SHA1

        1ffea8c6ba224b4a9e6bb402b030a8c12f2523e2

        SHA256

        30384e44c5df96b7809a94c2320caeb8ea94d6c9a2d0bf5a10206bee397f1c26

        SHA512

        aa92c5f5fb036ce0d83afd7c804cc07940d62291b1c431249bb4fc982721ac117f7fde6fb28d7a30261e8ccdddca694879d382b2bb8b1d09179b4913bd495264

      • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

        Filesize

        23.0MB

        MD5

        38e174fd676e0b1ea93693effe6155d1

        SHA1

        da58b2a362e704f2a24ef8a8bfca8b6d2b73772e

        SHA256

        e79c36c0ec1fc60de67c3bee28721aec858c5db0093890ebd16670ebcc09f9ad

        SHA512

        c0a3b071ccefbdaf6f923ffcb6b75045dbbbb8578683c700ddfede52de13738a859554c58bcc0f60ece5ed1f742e95a27e86e3d4dead3f63119c166410ca24a5

      • \??\Volume{af0fc727-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{c61e1516-76bd-41cf-be04-46c4cecaf3f5}_OnDiskSnapshotProp

        Filesize

        5KB

        MD5

        784646d71c3cf67975dc2fde762a54d0

        SHA1

        5401ab321a62f1309843cbf5a71b92983558a877

        SHA256

        bea428c242a1da34943c38153a793c5a1e8b37822b9002571a9cb82dd6f2b418

        SHA512

        cf827e8c616d7a5c035f0d19e015bd162b8dde05d71238f21655a43feeda13e0118644875688daf19d6bb7dac492cf2cebac8f772d37a1603cb83659e412e523

      • memory/916-166-0x0000000000E00000-0x0000000000E24000-memory.dmp

        Filesize

        144KB

      • memory/916-165-0x0000000000E30000-0x0000000000E32000-memory.dmp

        Filesize

        8KB

      • memory/916-172-0x0000000000E00000-0x0000000000E24000-memory.dmp

        Filesize

        144KB

      • memory/916-173-0x0000000000E00000-0x0000000000E24000-memory.dmp

        Filesize

        144KB

      • memory/916-174-0x0000000000E00000-0x0000000000E24000-memory.dmp

        Filesize

        144KB

      • memory/916-175-0x0000000000E00000-0x0000000000E24000-memory.dmp

        Filesize

        144KB

      • memory/916-176-0x0000000000E00000-0x0000000000E24000-memory.dmp

        Filesize

        144KB

      • memory/3468-160-0x0000000000C80000-0x0000000000CA4000-memory.dmp

        Filesize

        144KB

      • memory/3468-159-0x0000000000B70000-0x0000000000B73000-memory.dmp

        Filesize

        12KB