Analysis

  • max time kernel
    130s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    18-04-2021 16:28

General

  • Target

    dump.dll

  • Size

    232KB

  • MD5

    78ebf1acdac12e5855b0a305149a77c7

  • SHA1

    08209879a52b5a08b945577337097c76f776f8cf

  • SHA256

    2032c13190d9347fc677e840f295918ea8f0f8bb17d29a083afe19c1c09d4fd4

  • SHA512

    0922573efa8367247a550ae48fb6e11990bd39c024eb356d60714ff46ebd4cfa84a39acbd53583d625c84f94321d2144ebf2514e5a3c96d2fa14e0add50d30e2

Malware Config

Extracted

Family

qakbot

Botnet

notset

Campaign

1618398961

C2

47.196.192.184:443

216.201.162.158:443

136.232.34.70:443

71.41.184.10:3389

140.82.49.12:443

45.63.107.192:2222

45.63.107.192:443

149.28.98.196:443

45.32.211.207:443

144.202.38.185:443

45.77.115.208:2222

45.77.115.208:8443

207.246.116.237:995

45.77.117.108:443

149.28.99.97:443

149.28.99.97:995

149.28.98.196:995

45.32.211.207:995

45.32.211.207:2222

149.28.98.196:2222

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 2 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 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dump.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:668
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\dump.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1612
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:496
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mlndmrx /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\dump.dll\"" /SC ONCE /Z /ST 18:27 /ET 18:39
          4⤵
          • Creates scheduled task(s)
          PID:3492
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\dump.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\dump.dll"
      2⤵
      • Loads dropped DLL
      PID:2120

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\dump.dll
    MD5

    e666fb3d680fd65fdced5a59beaa56ae

    SHA1

    a96cd1d29a062b2713ef976a19c6bd29f4a9c7ec

    SHA256

    f09b7af4e7ea1b1502ad074978afe631f7179d44a2d7a1eec5d7111977f545bd

    SHA512

    fe3b262200c2e5955eca95947357f5ff8949dc30fa7d9f77ddf28d085c5993fb796f87d4b8fac0a88850c32cadf04acf6fffae7680acfcf6c246c5cd20627b3b

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

    e666fb3d680fd65fdced5a59beaa56ae

    SHA1

    a96cd1d29a062b2713ef976a19c6bd29f4a9c7ec

    SHA256

    f09b7af4e7ea1b1502ad074978afe631f7179d44a2d7a1eec5d7111977f545bd

    SHA512

    fe3b262200c2e5955eca95947357f5ff8949dc30fa7d9f77ddf28d085c5993fb796f87d4b8fac0a88850c32cadf04acf6fffae7680acfcf6c246c5cd20627b3b

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

    e666fb3d680fd65fdced5a59beaa56ae

    SHA1

    a96cd1d29a062b2713ef976a19c6bd29f4a9c7ec

    SHA256

    f09b7af4e7ea1b1502ad074978afe631f7179d44a2d7a1eec5d7111977f545bd

    SHA512

    fe3b262200c2e5955eca95947357f5ff8949dc30fa7d9f77ddf28d085c5993fb796f87d4b8fac0a88850c32cadf04acf6fffae7680acfcf6c246c5cd20627b3b

  • memory/496-116-0x0000000000000000-mapping.dmp
  • memory/496-120-0x0000000003040000-0x000000000307A000-memory.dmp
    Filesize

    232KB

  • memory/1612-114-0x0000000000000000-mapping.dmp
  • memory/2120-122-0x0000000000000000-mapping.dmp
  • memory/3492-117-0x0000000000000000-mapping.dmp