Analysis

  • max time kernel
    210s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2022 11:16

General

  • Target

    Claim_Letter#340840(13Sep2022).html

  • Size

    532KB

  • MD5

    1f834c0ef4f1ad023bf8274519b63310

  • SHA1

    4e18f9308eea49be2361a3e260b005502efd7e1a

  • SHA256

    750dc3b930616e3132b5b83fc4136b196299569652e3e6674186697a5a6ca8f1

  • SHA512

    c01087b31f81b7280077152bf9d4b8ac58b2ada9777089a50fdb707b6ac96e56ad1043f3267de7a5c8bbd1e33df9336ab4eb2037c0a7dda0de6f1a332437ba51

  • SSDEEP

    6144:bmG04xlIE4w2SJrjY82oULCyIK9lVLMf/3vVelb3qj309t0G42m3J1Ub5bO3+Hd/:zeVL68ukJ1+JKbY3+HNmTq

Malware Config

Extracted

Family

qakbot

Version

403.858

Botnet

obama202

Campaign

1663062752

C2

99.232.140.205:2222

41.69.118.117:995

179.111.111.88:32101

37.210.148.30:995

47.146.182.110:443

191.97.234.238:995

64.207.215.69:443

88.233.194.154:2222

81.131.161.131:2078

86.98.156.176:993

200.161.62.126:32101

88.244.84.195:443

78.100.254.17:2222

85.114.99.34:443

113.170.216.154:443

194.49.79.231:443

193.3.19.37:443

84.38.133.191:443

175.110.231.67:443

191.84.204.214:995

Attributes
  • salt

    SoNuce]ugdiB3c[doMuce2s81*uXmcvP

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 41 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Claim_Letter#340840(13Sep2022).html
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1864 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1316
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5072
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 412 -p 2232 -ip 2232
      1⤵
        PID:2196
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2232 -s 768
        1⤵
        • Program crash
        PID:4104
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\Claim_Letter#340840(13Sep2022)~\" -spe -an -ai#7zMap22329:114:7zEvent23993
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:2040
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "E:\about\likeNot.js"
        1⤵
        • Checks computer location settings
        • Enumerates connected drives
        • Suspicious use of WriteProcessMemory
        PID:3596
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""E:\about\otherAbout.bat" reg svr"
          2⤵
          • Enumerates connected drives
          • Suspicious use of WriteProcessMemory
          PID:900
          • C:\Windows\system32\regsvr32.exe
            regsvr32 about/outTell.db
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4764
            • C:\Windows\SysWOW64\regsvr32.exe
              about/outTell.db
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:2064
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                5⤵
                  PID:4376

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          471B

          MD5

          0708e559410e8dc68f3dd1a7622ccf08

          SHA1

          ab4cfa91b39bd11461edbf133d889f04789afa1e

          SHA256

          ab31d03e4e5401bd3df1c339982d79631980777a9d7d4d49c694ee6385a5b30c

          SHA512

          76f45998ef092b990edca0b010c37f213571eeed419393055bb8fbbfe11818b45b2de1719436a6236e0b8a2bcec1bcb8b1cfa621b74e7e6088db2219afa66b78

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          404B

          MD5

          72237a0b4ac6246877d796b6ef25fa55

          SHA1

          9e7cf5030b1768a42f686cb4f39aa98ca5840e61

          SHA256

          8043bc923ed934cebc54e9ebd8f61893bd9bc511a03741000244feaa0132ba3c

          SHA512

          7cdeb9cea9a863cca8bcecf415d7adb4a4fbba4b427c94b6c9e333baa7db168b9a277f3f03ddc8a0c47dd65273c7c2e7473546c82ad22b3a9807b486b3b5c5e0

        • C:\Users\Admin\Downloads\Claim_Letter#340840(13Sep2022).4or99fy.partial

          Filesize

          232KB

          MD5

          962655850b8772db2943d241a94c65d4

          SHA1

          e131054d03ffaf7e280fd65f8d3cccd2dd8f8521

          SHA256

          186d88c8f0636e7e48e06b86dc45bc6ca3d478d9c079b40b596bd0bd028ad73e

          SHA512

          51a8b3ff4cb76b5cf615811170cc7982451d4d355ed44c5b6616d7b9cdcc810c370e0f48a80f95aa56069ef8df7de6ac7870853159903170ae7820616af92b98

        • memory/900-135-0x0000000000000000-mapping.dmp

        • memory/2064-137-0x0000000000000000-mapping.dmp

        • memory/2064-138-0x0000000000D20000-0x0000000000D42000-memory.dmp

          Filesize

          136KB

        • memory/2064-141-0x0000000000D20000-0x0000000000D42000-memory.dmp

          Filesize

          136KB

        • memory/4376-139-0x0000000000000000-mapping.dmp

        • memory/4376-140-0x0000000001030000-0x0000000001052000-memory.dmp

          Filesize

          136KB

        • memory/4376-142-0x0000000001030000-0x0000000001052000-memory.dmp

          Filesize

          136KB

        • memory/4764-136-0x0000000000000000-mapping.dmp