Analysis

  • max time kernel
    150s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-07-2022 06:52

General

  • Target

    102755.dll

  • Size

    686KB

  • MD5

    628bb6106d55dc762ce439e5c33b06a4

  • SHA1

    3888ef542fb1299258f83b0cd62f71d8887691e6

  • SHA256

    c0ba083bff21c52e20f97ffb1d20ada082e328d6a4f5561c10f4944f9187d375

  • SHA512

    1180a907bf5b06095d04cba610fa3571b325096b772aaec23b3cb1441200dd04ba3c824b8dfe3252e870c15a2967e8f37aea9f84f843ef27b302fe92dc760683

Malware Config

Extracted

Family

qakbot

Version

403.780

Botnet

obama200

Campaign

1657548298

C2

172.115.177.204:2222

89.101.97.139:443

186.90.153.162:2222

38.70.253.226:2222

120.150.218.241:995

72.252.157.93:995

72.252.157.93:993

94.36.193.176:2222

47.23.89.60:993

89.211.209.234:2222

76.25.142.196:443

46.100.25.239:61202

24.158.23.166:995

69.14.172.24:443

92.132.132.81:2222

37.34.253.233:443

93.48.80.198:995

174.80.15.101:2083

24.178.196.158:2222

197.89.20.137:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\102755.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\102755.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1080
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 08:54 /tn djjezdxax /ET 09:05 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAMQAwADIANwA1ADUALgBkAGwAbAAiAA==" /SC ONCE
          4⤵
          • Creates scheduled task(s)
          PID:2020
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {AE526044-BB10-4DBF-BFB7-C52882B17723} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAMQAwADIANwA1ADUALgBkAGwAbAAiAA==
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\system32\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\102755.dll
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:676
        • C:\Windows\SysWOW64\regsvr32.exe
          C:\Users\Admin\AppData\Local\Temp\102755.dll
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\102755.dll
    Filesize

    686KB

    MD5

    628bb6106d55dc762ce439e5c33b06a4

    SHA1

    3888ef542fb1299258f83b0cd62f71d8887691e6

    SHA256

    c0ba083bff21c52e20f97ffb1d20ada082e328d6a4f5561c10f4944f9187d375

    SHA512

    1180a907bf5b06095d04cba610fa3571b325096b772aaec23b3cb1441200dd04ba3c824b8dfe3252e870c15a2967e8f37aea9f84f843ef27b302fe92dc760683

  • \Users\Admin\AppData\Local\Temp\102755.dll
    Filesize

    686KB

    MD5

    628bb6106d55dc762ce439e5c33b06a4

    SHA1

    3888ef542fb1299258f83b0cd62f71d8887691e6

    SHA256

    c0ba083bff21c52e20f97ffb1d20ada082e328d6a4f5561c10f4944f9187d375

    SHA512

    1180a907bf5b06095d04cba610fa3571b325096b772aaec23b3cb1441200dd04ba3c824b8dfe3252e870c15a2967e8f37aea9f84f843ef27b302fe92dc760683

  • memory/308-54-0x0000000000000000-mapping.dmp
  • memory/308-57-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/308-59-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/308-58-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/308-60-0x00000000003B0000-0x00000000003EF000-memory.dmp
    Filesize

    252KB

  • memory/308-61-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/308-55-0x00000000759E1000-0x00000000759E3000-memory.dmp
    Filesize

    8KB

  • memory/308-56-0x0000000000230000-0x00000000002DE000-memory.dmp
    Filesize

    696KB

  • memory/308-65-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/320-87-0x00000000001F0000-0x000000000022F000-memory.dmp
    Filesize

    252KB

  • memory/320-86-0x00000000004F0000-0x0000000000512000-memory.dmp
    Filesize

    136KB

  • memory/320-85-0x00000000004F0000-0x0000000000512000-memory.dmp
    Filesize

    136KB

  • memory/320-84-0x00000000004F0000-0x0000000000512000-memory.dmp
    Filesize

    136KB

  • memory/320-83-0x0000000000A80000-0x0000000000B2E000-memory.dmp
    Filesize

    696KB

  • memory/320-88-0x00000000004F0000-0x0000000000512000-memory.dmp
    Filesize

    136KB

  • memory/320-80-0x0000000000000000-mapping.dmp
  • memory/676-75-0x0000000000000000-mapping.dmp
  • memory/1080-62-0x0000000000000000-mapping.dmp
  • memory/1080-68-0x00000000000C0000-0x00000000000E2000-memory.dmp
    Filesize

    136KB

  • memory/1080-66-0x00000000000C0000-0x00000000000E2000-memory.dmp
    Filesize

    136KB

  • memory/1080-64-0x0000000074C21000-0x0000000074C23000-memory.dmp
    Filesize

    8KB

  • memory/1772-74-0x000000000110B000-0x000000000112A000-memory.dmp
    Filesize

    124KB

  • memory/1772-77-0x0000000001104000-0x0000000001107000-memory.dmp
    Filesize

    12KB

  • memory/1772-78-0x000000000110B000-0x000000000112A000-memory.dmp
    Filesize

    124KB

  • memory/1772-73-0x000007FEF31A0000-0x000007FEF3CFD000-memory.dmp
    Filesize

    11.4MB

  • memory/1772-72-0x0000000001104000-0x0000000001107000-memory.dmp
    Filesize

    12KB

  • memory/1772-71-0x000007FEF3D00000-0x000007FEF4723000-memory.dmp
    Filesize

    10.1MB

  • memory/1772-70-0x000007FEFC0C1000-0x000007FEFC0C3000-memory.dmp
    Filesize

    8KB

  • memory/1772-69-0x0000000000000000-mapping.dmp
  • memory/2020-67-0x0000000000000000-mapping.dmp