Analysis

  • max time kernel
    143s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    21-10-2021 10:35

General

  • Target

    44490.4217984954.dat.dll

  • Size

    534KB

  • MD5

    1ca07a72a885754193c2f8536728a5ef

  • SHA1

    c58a312b7e26afa6a0c0782481d2504be39ca262

  • SHA256

    a0bfba60d2ae341fc6af47bcbd9f4f521c5f0cabf05a50479bbc70597bb519e8

  • SHA512

    6bdb91b12364ece4c0b53bac3b22cb454cbd37ea970a29501d84976fcffa45ff38491aefc028dfdca486d47ddd1d4a93518eb11cc0ddb624a1e82e928c8997e3

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

biden54

Campaign

1634802135

C2

81.250.153.227:2222

120.150.218.241:995

76.25.142.196:443

63.143.92.99:995

89.101.97.139:443

136.143.11.232:443

81.213.59.22:443

136.232.34.70:443

140.82.49.12:443

37.208.181.198:61200

78.191.24.189:995

216.201.162.158:443

197.89.144.102:443

89.137.52.44:443

182.176.180.73:443

173.21.10.71:2222

117.198.156.56:443

196.207.140.40:995

103.142.10.177:443

24.231.209.2:6881

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 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\44490.4217984954.dat.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\44490.4217984954.dat.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1400
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn verklvg /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\44490.4217984954.dat.dll\"" /SC ONCE /Z /ST 12:41 /ET 12:53
          4⤵
          • Creates scheduled task(s)
          PID:936
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {19CE196A-AD94-483F-8802-6865E243922C} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\44490.4217984954.dat.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\44490.4217984954.dat.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1520
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1160
          • 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\Uxhekgga" /d "0"
            5⤵
              PID:1700
            • 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\Jnoygpibzza" /d "0"
              5⤵
                PID:1980

      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\44490.4217984954.dat.dll
        MD5

        1ca07a72a885754193c2f8536728a5ef

        SHA1

        c58a312b7e26afa6a0c0782481d2504be39ca262

        SHA256

        a0bfba60d2ae341fc6af47bcbd9f4f521c5f0cabf05a50479bbc70597bb519e8

        SHA512

        6bdb91b12364ece4c0b53bac3b22cb454cbd37ea970a29501d84976fcffa45ff38491aefc028dfdca486d47ddd1d4a93518eb11cc0ddb624a1e82e928c8997e3

      • \??\PIPE\wkssvc
        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • \Users\Admin\AppData\Local\Temp\44490.4217984954.dat.dll
        MD5

        1ca07a72a885754193c2f8536728a5ef

        SHA1

        c58a312b7e26afa6a0c0782481d2504be39ca262

        SHA256

        a0bfba60d2ae341fc6af47bcbd9f4f521c5f0cabf05a50479bbc70597bb519e8

        SHA512

        6bdb91b12364ece4c0b53bac3b22cb454cbd37ea970a29501d84976fcffa45ff38491aefc028dfdca486d47ddd1d4a93518eb11cc0ddb624a1e82e928c8997e3

      • memory/936-64-0x0000000000000000-mapping.dmp
      • memory/1160-78-0x0000000000080000-0x00000000000A1000-memory.dmp
        Filesize

        132KB

      • memory/1160-74-0x0000000000000000-mapping.dmp
      • memory/1400-59-0x00000000000B0000-0x00000000000B2000-memory.dmp
        Filesize

        8KB

      • memory/1400-60-0x0000000000000000-mapping.dmp
      • memory/1400-62-0x0000000074AE1000-0x0000000074AE3000-memory.dmp
        Filesize

        8KB

      • memory/1400-63-0x0000000000080000-0x00000000000A1000-memory.dmp
        Filesize

        132KB

      • memory/1520-72-0x0000000010000000-0x0000000014595000-memory.dmp
        Filesize

        69.6MB

      • memory/1520-68-0x0000000000000000-mapping.dmp
      • memory/1520-71-0x0000000000BE0000-0x0000000005123000-memory.dmp
        Filesize

        69.3MB

      • memory/1528-55-0x0000000000000000-mapping.dmp
      • memory/1528-58-0x0000000010000000-0x0000000014595000-memory.dmp
        Filesize

        69.6MB

      • memory/1528-57-0x0000000001F10000-0x0000000006453000-memory.dmp
        Filesize

        69.3MB

      • memory/1528-56-0x0000000076081000-0x0000000076083000-memory.dmp
        Filesize

        8KB

      • memory/1556-66-0x000007FEFC061000-0x000007FEFC063000-memory.dmp
        Filesize

        8KB

      • memory/1556-65-0x0000000000000000-mapping.dmp
      • memory/1700-79-0x0000000000000000-mapping.dmp
      • memory/1980-80-0x0000000000000000-mapping.dmp