Resubmissions

28-09-2021 20:53

210928-zpk3rsdben 10

28-09-2021 18:40

210928-xbnwdscgck 10

Analysis

  • max time kernel
    1799s
  • max time network
    1785s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    28-09-2021 20:53

General

  • Target

    2.exe.dll

  • Size

    750KB

  • MD5

    b70b3e711d4f31c5512988ae7ed483b4

  • SHA1

    a97744e5bfae4915e8d8f0588e773d5850437631

  • SHA256

    03f6fa3d29bb41918ffe92bd934b75225b8d13ae3260512d473b6d75f7437feb

  • SHA512

    f097f518bcad9956c3bfe7d785a998c0a31b380e6b2ba9fe418b83c9922b9ec9561a41e6a6d1e99ade44401a175a811c2e1008f44d2fffa0a67eb47a8fd6b1ce

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

obama105

Campaign

1632821932

C2

120.151.47.189:443

41.228.22.180:443

39.52.241.3:995

199.27.127.129:443

216.201.162.158:443

136.232.34.70:443

196.217.156.63:995

120.150.218.241:995

95.77.223.148:443

185.250.148.74:443

181.118.183.94:443

105.198.236.99:443

140.82.49.12:443

37.210.152.224:995

89.101.97.139:443

81.241.252.59:2078

27.223.92.142:995

81.250.153.227:2222

73.151.236.31:443

47.22.148.6:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2.exe.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2.exe.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1544
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jelfjrn /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\2.exe.dll\"" /SC ONCE /Z /ST 20:56 /ET 21:08
          4⤵
          • Creates scheduled task(s)
          PID:1688
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3F3CE7E6-68AC-45F9-9F2D-02FCC8C89B20} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\2.exe.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\2.exe.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1040
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:456
          • C:\Windows\system32\reg.exe
            C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Mobyjhwha" /d "0"
            5⤵
              PID:1572
            • C:\Windows\system32\reg.exe
              C:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Cywuwzlm" /d "0"
              5⤵
                PID:1536
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {F0CA1AAA-D3A3-42BB-B420-77D4752FE898} S-1-5-18:NT AUTHORITY\System:Service:
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:644
        • C:\Windows\system32\regsvr32.exe
          regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\2.exe.dll"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1172
          • C:\Windows\SysWOW64\regsvr32.exe
            -s "C:\Users\Admin\AppData\Local\Temp\2.exe.dll"
            3⤵
              PID:1452

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\2.exe.dll
          MD5

          b70b3e711d4f31c5512988ae7ed483b4

          SHA1

          a97744e5bfae4915e8d8f0588e773d5850437631

          SHA256

          03f6fa3d29bb41918ffe92bd934b75225b8d13ae3260512d473b6d75f7437feb

          SHA512

          f097f518bcad9956c3bfe7d785a998c0a31b380e6b2ba9fe418b83c9922b9ec9561a41e6a6d1e99ade44401a175a811c2e1008f44d2fffa0a67eb47a8fd6b1ce

        • C:\Users\Admin\AppData\Local\Temp\2.exe.dll
          MD5

          596c70401f9089cb85763bd7b8cb3e26

          SHA1

          0ab3df7c5157b4e280c5c236937b988293f0026d

          SHA256

          508d12a008812946aa224bcfb627f7d50a3afc5ffd4e6da0e9cf7cc873552ddc

          SHA512

          341671115cde94ee2e478712d21337bd09eb579c24fb28bff9a1c62f3af4d66639221edc7449c3520f056503b61f6b7a508b4763690201dfdf058f1c45e7287c

        • \Users\Admin\AppData\Local\Temp\2.exe.dll
          MD5

          b70b3e711d4f31c5512988ae7ed483b4

          SHA1

          a97744e5bfae4915e8d8f0588e773d5850437631

          SHA256

          03f6fa3d29bb41918ffe92bd934b75225b8d13ae3260512d473b6d75f7437feb

          SHA512

          f097f518bcad9956c3bfe7d785a998c0a31b380e6b2ba9fe418b83c9922b9ec9561a41e6a6d1e99ade44401a175a811c2e1008f44d2fffa0a67eb47a8fd6b1ce

        • memory/456-78-0x0000000000080000-0x00000000000A1000-memory.dmp
          Filesize

          132KB

        • memory/456-73-0x0000000000000000-mapping.dmp
        • memory/1040-71-0x00000000748A0000-0x0000000074972000-memory.dmp
          Filesize

          840KB

        • memory/1040-67-0x0000000000000000-mapping.dmp
        • memory/1040-72-0x0000000000110000-0x0000000000111000-memory.dmp
          Filesize

          4KB

        • memory/1040-70-0x00000000748A0000-0x00000000748C1000-memory.dmp
          Filesize

          132KB

        • memory/1172-79-0x0000000000000000-mapping.dmp
        • memory/1280-65-0x000007FEFC4A1000-0x000007FEFC4A3000-memory.dmp
          Filesize

          8KB

        • memory/1280-64-0x0000000000000000-mapping.dmp
        • memory/1452-82-0x0000000000000000-mapping.dmp
        • memory/1536-77-0x0000000000000000-mapping.dmp
        • memory/1544-61-0x00000000750F1000-0x00000000750F3000-memory.dmp
          Filesize

          8KB

        • memory/1544-63-0x0000000000080000-0x00000000000A1000-memory.dmp
          Filesize

          132KB

        • memory/1544-59-0x0000000000000000-mapping.dmp
        • memory/1572-76-0x0000000000000000-mapping.dmp
        • memory/1688-62-0x0000000000000000-mapping.dmp
        • memory/2008-54-0x0000000000000000-mapping.dmp
        • memory/2008-58-0x0000000000120000-0x0000000000121000-memory.dmp
          Filesize

          4KB

        • memory/2008-57-0x0000000075260000-0x0000000075332000-memory.dmp
          Filesize

          840KB

        • memory/2008-56-0x0000000075260000-0x0000000075281000-memory.dmp
          Filesize

          132KB

        • memory/2008-55-0x00000000759B1000-0x00000000759B3000-memory.dmp
          Filesize

          8KB