Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    14-12-2021 08:00

General

  • Target

    2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8.dll

  • Size

    858KB

  • MD5

    4f2bfea5068bf0f963e778f4f61cd99c

  • SHA1

    797d596d9ef376747671cb373207043a5dbaccec

  • SHA256

    2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8

  • SHA512

    654adb2549cefb51bff892dd0c9964804ff3616496187b855995aab8596e03500d3d0170f90e2ee575fd383e80b341d97d2bb1191febcc4d36630b08d96f15ce

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1639333530

C2

65.100.174.110:443

173.21.10.71:2222

140.82.49.12:443

190.73.3.148:2222

76.25.142.196:443

71.74.12.34:443

31.215.98.160:443

93.48.80.198:995

45.9.20.200:2211

41.228.22.180:443

109.12.111.14:443

63.143.92.99:995

120.150.218.241:995

94.60.254.81:443

86.148.6.51:443

218.101.110.3:995

216.238.71.31:443

207.246.112.221:443

216.238.72.121:443

216.238.71.31:995

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Windows security bypass 2 TTPs
  • Loads dropped DLL 1 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 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lhxphxp /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8.dll\"" /SC ONCE /Z /ST 21:42 /ET 21:54
          4⤵
          • Creates scheduled task(s)
          PID:2876
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:3132
        • 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\Ttvyslwvhne" /d "0"
          4⤵
            PID:860
          • 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\Ilpdyahglto" /d "0"
            4⤵
              PID:1096

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Disabling Security Tools

      1
      T1089

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8.dll
        MD5

        4f2bfea5068bf0f963e778f4f61cd99c

        SHA1

        797d596d9ef376747671cb373207043a5dbaccec

        SHA256

        2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8

        SHA512

        654adb2549cefb51bff892dd0c9964804ff3616496187b855995aab8596e03500d3d0170f90e2ee575fd383e80b341d97d2bb1191febcc4d36630b08d96f15ce

      • \Users\Admin\AppData\Local\Temp\2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8.dll
        MD5

        4f2bfea5068bf0f963e778f4f61cd99c

        SHA1

        797d596d9ef376747671cb373207043a5dbaccec

        SHA256

        2599965afc0a2ae60c8b61f82ecaf6a92918dd795d95121f951658a32ac737f8

        SHA512

        654adb2549cefb51bff892dd0c9964804ff3616496187b855995aab8596e03500d3d0170f90e2ee575fd383e80b341d97d2bb1191febcc4d36630b08d96f15ce

      • memory/860-128-0x0000000000000000-mapping.dmp
      • memory/1096-129-0x0000000000000000-mapping.dmp
      • memory/1348-121-0x00000000036D0000-0x00000000036D1000-memory.dmp
        Filesize

        4KB

      • memory/1348-120-0x00000000036D0000-0x00000000036D1000-memory.dmp
        Filesize

        4KB

      • memory/1348-122-0x0000000000EF0000-0x0000000000F11000-memory.dmp
        Filesize

        132KB

      • memory/1348-118-0x0000000000000000-mapping.dmp
      • memory/2588-115-0x0000000000000000-mapping.dmp
      • memory/2588-116-0x0000000000CB0000-0x0000000000CB1000-memory.dmp
        Filesize

        4KB

      • memory/2588-117-0x0000000010000000-0x00000000100FA000-memory.dmp
        Filesize

        1000KB

      • memory/2848-124-0x0000000000000000-mapping.dmp
      • memory/2848-126-0x0000000000600000-0x000000000074A000-memory.dmp
        Filesize

        1.3MB

      • memory/2876-119-0x0000000000000000-mapping.dmp
      • memory/3132-127-0x0000000000000000-mapping.dmp
      • memory/3132-131-0x0000000000F30000-0x0000000000F31000-memory.dmp
        Filesize

        4KB

      • memory/3132-130-0x0000000000F30000-0x0000000000F31000-memory.dmp
        Filesize

        4KB

      • memory/3132-132-0x0000000000A80000-0x0000000000AA1000-memory.dmp
        Filesize

        132KB