Analysis

  • max time kernel
    138s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    11-10-2021 18:33

General

  • Target

    test.test.dll

  • Size

    833KB

  • MD5

    d231b82cf87bedf852d37b777091f9ab

  • SHA1

    caf637521a9e025749bd9b720f4c83d8353af104

  • SHA256

    b0fbb65a2b1d4e9a768cc9b12572ca901e1f8fa89122d3278c01e05cc88adf2a

  • SHA512

    292a6472a2888f7add714db5a460f810ea22c97eea62b9d59471cfc2026a61c0fbd12ed9c42b08f0f8cdea4591bc3e60fcd8351305ef26463403fb1d5fd01bc5

Malware Config

Extracted

Family

qakbot

Version

402.363

Botnet

tr

Campaign

1633597626

C2

120.150.218.241:995

185.250.148.74:443

89.137.52.44:443

66.103.170.104:2222

86.8.177.143:443

216.201.162.158:443

174.54.193.186:443

103.148.120.144:443

188.50.169.158:443

124.123.42.115:2222

140.82.49.12:443

199.27.127.129:443

81.241.252.59:2078

209.142.97.161:995

209.50.20.255:443

73.230.205.91:443

200.232.214.222:995

103.142.10.177:443

2.222.167.138:443

41.228.22.180:443

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\test.test.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\test.test.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1256
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1524
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn egbbqsquyx /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\test.test.dll\"" /SC ONCE /Z /ST 20:36 /ET 20:48
          4⤵
          • Creates scheduled task(s)
          PID:1588
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {94EEF989-5C39-400C-AD78-8DB1E5671AF3} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\test.test.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\test.test.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1776
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1148
          • 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\Rlssgv" /d "0"
            5⤵
              PID:1876
            • 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\Bsteurut" /d "0"
              5⤵
                PID:928

      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\test.test.dll
        MD5

        d231b82cf87bedf852d37b777091f9ab

        SHA1

        caf637521a9e025749bd9b720f4c83d8353af104

        SHA256

        b0fbb65a2b1d4e9a768cc9b12572ca901e1f8fa89122d3278c01e05cc88adf2a

        SHA512

        292a6472a2888f7add714db5a460f810ea22c97eea62b9d59471cfc2026a61c0fbd12ed9c42b08f0f8cdea4591bc3e60fcd8351305ef26463403fb1d5fd01bc5

      • \Users\Admin\AppData\Local\Temp\test.test.dll
        MD5

        d231b82cf87bedf852d37b777091f9ab

        SHA1

        caf637521a9e025749bd9b720f4c83d8353af104

        SHA256

        b0fbb65a2b1d4e9a768cc9b12572ca901e1f8fa89122d3278c01e05cc88adf2a

        SHA512

        292a6472a2888f7add714db5a460f810ea22c97eea62b9d59471cfc2026a61c0fbd12ed9c42b08f0f8cdea4591bc3e60fcd8351305ef26463403fb1d5fd01bc5

      • memory/928-87-0x0000000000000000-mapping.dmp
      • memory/1148-88-0x0000000000370000-0x0000000000391000-memory.dmp
        Filesize

        132KB

      • memory/1148-83-0x0000000000000000-mapping.dmp
      • memory/1256-64-0x00000000743E0000-0x0000000074551000-memory.dmp
        Filesize

        1.4MB

      • memory/1256-65-0x0000000000170000-0x0000000000171000-memory.dmp
        Filesize

        4KB

      • memory/1256-0-0x0000000000000000-mapping.dmp
      • memory/1256-63-0x00000000743E0000-0x0000000074401000-memory.dmp
        Filesize

        132KB

      • memory/1256-62-0x00000000743E0000-0x0000000074551000-memory.dmp
        Filesize

        1.4MB

      • memory/1256-1-0x00000000754F1000-0x00000000754F3000-memory.dmp
        Filesize

        8KB

      • memory/1524-66-0x00000000000B0000-0x00000000000B2000-memory.dmp
        Filesize

        8KB

      • memory/1524-67-0x0000000000000000-mapping.dmp
      • memory/1524-69-0x0000000074271000-0x0000000074273000-memory.dmp
        Filesize

        8KB

      • memory/1524-71-0x0000000000080000-0x00000000000A1000-memory.dmp
        Filesize

        132KB

      • memory/1588-70-0x0000000000000000-mapping.dmp
      • memory/1776-80-0x0000000073960000-0x0000000073AD1000-memory.dmp
        Filesize

        1.4MB

      • memory/1776-79-0x0000000073960000-0x0000000073981000-memory.dmp
        Filesize

        132KB

      • memory/1776-78-0x0000000073960000-0x0000000073AD1000-memory.dmp
        Filesize

        1.4MB

      • memory/1776-81-0x0000000000110000-0x0000000000111000-memory.dmp
        Filesize

        4KB

      • memory/1776-75-0x0000000000000000-mapping.dmp
      • memory/1876-86-0x0000000000000000-mapping.dmp
      • memory/1972-73-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp
        Filesize

        8KB

      • memory/1972-72-0x0000000000000000-mapping.dmp