Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-02-2021 20:26

General

  • Target

    md.dll

  • Size

    2.8MB

  • MD5

    04416cf8bf1c7d31a606edff765529df

  • SHA1

    bb6abc451db164e17a5dd030b355b309c219623d

  • SHA256

    5094e17105845238a6a2aaf54cd6769733032009a9ddd24e8af046837c1c12e6

  • SHA512

    348e86e7efa139f90fe71b751d476aa0ea6e83cc0cc37f9d18b4d9ebc0d37a47bafc4d911a603457bd6d36b7ed323520b11df06edb69605c961c721037628317

Malware Config

Extracted

Family

qakbot

Botnet

domain02

Campaign

1606721866

C2

106.51.52.111:443

2.88.53.159:995

89.33.87.107:443

185.105.131.233:443

175.137.119.141:443

197.161.154.132:443

39.32.125.15:995

217.133.54.140:32100

118.70.55.146:443

86.97.221.121:443

194.243.78.225:443

87.27.110.90:2222

196.151.252.84:443

5.15.30.56:443

85.121.42.12:443

90.23.117.67:2222

197.45.110.165:995

86.99.134.235:2222

59.96.165.120:443

174.76.21.134:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\md.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\md.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1320
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1772
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jhfjguawd /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\md.dll\"" /SC ONCE /Z /ST 21:32 /ET 21:44
          4⤵
          • Creates scheduled task(s)
          PID:1764
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DABA61E5-B2B8-45C7-A739-CAD3819E80E8} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\md.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1668
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\md.dll"
        3⤵
        • Loads dropped DLL
        PID:1032

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Replay Monitor

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Downloads

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

    1a432a326b9f524ed074dc31c5fc69b2

    SHA1

    4a3b745cbe7a330e47899aae90572133692f2e89

    SHA256

    f7b3fcb472ea7e17b2506080df874fdf8a212a5a59485b628a3787c61348b2e1

    SHA512

    837da7d609c635b0a2b01b6377512f749d93a91860331ced46265b96a6c816233841a55f8bd0e0c0bf6ac28c814649b1f3fc91aa3420ae45dc3805a40e543c35

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

    1a432a326b9f524ed074dc31c5fc69b2

    SHA1

    4a3b745cbe7a330e47899aae90572133692f2e89

    SHA256

    f7b3fcb472ea7e17b2506080df874fdf8a212a5a59485b628a3787c61348b2e1

    SHA512

    837da7d609c635b0a2b01b6377512f749d93a91860331ced46265b96a6c816233841a55f8bd0e0c0bf6ac28c814649b1f3fc91aa3420ae45dc3805a40e543c35

  • memory/1032-16-0x0000000000000000-mapping.dmp
  • memory/1320-9-0x00000000000D0000-0x00000000000F0000-memory.dmp
    Filesize

    128KB

  • memory/1320-2-0x0000000000000000-mapping.dmp
  • memory/1320-5-0x00000000000D0000-0x00000000000F0000-memory.dmp
    Filesize

    128KB

  • memory/1320-4-0x00000000008A0000-0x0000000000A8A000-memory.dmp
    Filesize

    1.9MB

  • memory/1320-3-0x00000000760B1000-0x00000000760B3000-memory.dmp
    Filesize

    8KB

  • memory/1668-13-0x0000000000000000-mapping.dmp
  • memory/1668-14-0x000007FEFBA01000-0x000007FEFBA03000-memory.dmp
    Filesize

    8KB

  • memory/1764-11-0x0000000000000000-mapping.dmp
  • memory/1772-6-0x0000000000000000-mapping.dmp
  • memory/1772-8-0x0000000074761000-0x0000000074763000-memory.dmp
    Filesize

    8KB

  • memory/1772-10-0x0000000000080000-0x00000000000A0000-memory.dmp
    Filesize

    128KB

  • memory/1772-12-0x0000000000080000-0x00000000000A0000-memory.dmp
    Filesize

    128KB