Resubmissions

13-01-2022 09:19

220113-laarlahafl 10

11-01-2022 07:00

220111-hszlwsfae5 10

04-01-2022 11:08

220104-m8skqsagcq 10

Analysis

  • max time kernel
    598s
  • max time network
    598s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-01-2022 07:00

General

  • Target

    d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll

  • Size

    945KB

  • MD5

    bb17bf13123596ba3065efc74d625a3c

  • SHA1

    b589b0dee84e30e205f242a8d429b1e231b5ec5b

  • SHA256

    d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937

  • SHA512

    40d6bb5bb741b43a03969c40acafbc621281ad9f4fa23d3a90f07e30b01eda95227af6b96a20d48712f08b2252069e711842d71d3f1e95374db44fb7845ab427

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
  • 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 43 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:268
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ngpkyskr /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll\"" /SC ONCE /Z /ST 07:03 /ET 07:15
          4⤵
          • Creates scheduled task(s)
          PID:1464
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8C95DDD8-E341-4DE5-8196-2A60725B7AF4} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:744
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1948
        • 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:1252
          • 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\Kywmdvftpyaj" /d "0"
            5⤵
              PID:1764
            • 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\Qphzheu" /d "0"
              5⤵
                PID:1740

      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\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll
        MD5

        bb17bf13123596ba3065efc74d625a3c

        SHA1

        b589b0dee84e30e205f242a8d429b1e231b5ec5b

        SHA256

        d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937

        SHA512

        40d6bb5bb741b43a03969c40acafbc621281ad9f4fa23d3a90f07e30b01eda95227af6b96a20d48712f08b2252069e711842d71d3f1e95374db44fb7845ab427

      • \Users\Admin\AppData\Local\Temp\d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937.exe.dll
        MD5

        bb17bf13123596ba3065efc74d625a3c

        SHA1

        b589b0dee84e30e205f242a8d429b1e231b5ec5b

        SHA256

        d302a473d8f19884d38147d13ce87f54b897dad51fdc6490467bca62cc7ae937

        SHA512

        40d6bb5bb741b43a03969c40acafbc621281ad9f4fa23d3a90f07e30b01eda95227af6b96a20d48712f08b2252069e711842d71d3f1e95374db44fb7845ab427

      • memory/268-59-0x0000000000080000-0x0000000000082000-memory.dmp
        Filesize

        8KB

      • memory/268-60-0x0000000000000000-mapping.dmp
      • memory/268-62-0x0000000074651000-0x0000000074653000-memory.dmp
        Filesize

        8KB

      • memory/268-64-0x00000000000D0000-0x00000000000F1000-memory.dmp
        Filesize

        132KB

      • memory/1092-55-0x0000000000000000-mapping.dmp
      • memory/1092-56-0x0000000076121000-0x0000000076123000-memory.dmp
        Filesize

        8KB

      • memory/1092-58-0x0000000010000000-0x00000000100F5000-memory.dmp
        Filesize

        980KB

      • memory/1092-57-0x00000000001E0000-0x00000000001E1000-memory.dmp
        Filesize

        4KB

      • memory/1252-77-0x0000000000080000-0x00000000000A1000-memory.dmp
        Filesize

        132KB

      • memory/1252-72-0x0000000000000000-mapping.dmp
      • memory/1464-63-0x0000000000000000-mapping.dmp
      • memory/1584-54-0x000007FEFBE11000-0x000007FEFBE13000-memory.dmp
        Filesize

        8KB

      • memory/1740-76-0x0000000000000000-mapping.dmp
      • memory/1764-75-0x0000000000000000-mapping.dmp
      • memory/1816-65-0x0000000000000000-mapping.dmp
      • memory/1948-68-0x0000000000000000-mapping.dmp