Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-07-2022 06:52

General

  • Target

    WindowsCodecs.dll

  • Size

    4KB

  • MD5

    491e9489c9e11f8b9d3d77239559a194

  • SHA1

    f5df8d4edfdc22646c106259c21abe8d79195e31

  • SHA256

    6e3661049bde832369781afa1d9034315442b1e4b87aa92d571cbe73186997c5

  • SHA512

    ef0bd113fe6b64d7673b33cce559bdc0cfc99c81baac78c4a15b00b7eeb07470aa36e0f29a695b615fe149858a23733015c467948d889ffbee9a1fc916e2ceae

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 39 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\WindowsCodecs.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\WindowsCodecs.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:888
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe 102755.dll
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:940
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1476
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 08:55 /tn fveeryvhz /ET 09:06 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAMQAwADIANwA1ADUALgBkAGwAbAAiAA==" /SC ONCE
            5⤵
            • Creates scheduled task(s)
            PID:1956
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F2A9614E-B49B-40B6-9415-E8C39864C1EF} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:432
    • 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:1400
      • C:\Windows\system32\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\102755.dll
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1948
        • C:\Windows\SysWOW64\regsvr32.exe
          C:\Users\Admin\AppData\Local\Temp\102755.dll
          4⤵
          • Loads dropped DLL
          PID:816

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/816-91-0x00000000005C0000-0x00000000005E2000-memory.dmp
    Filesize

    136KB

  • memory/816-81-0x0000000000000000-mapping.dmp
  • memory/816-86-0x0000000000860000-0x000000000090E000-memory.dmp
    Filesize

    696KB

  • memory/816-87-0x00000000005C0000-0x00000000005E2000-memory.dmp
    Filesize

    136KB

  • memory/816-88-0x00000000005C0000-0x00000000005E2000-memory.dmp
    Filesize

    136KB

  • memory/816-89-0x00000000005C0000-0x00000000005E2000-memory.dmp
    Filesize

    136KB

  • memory/816-90-0x0000000000270000-0x00000000002AF000-memory.dmp
    Filesize

    252KB

  • memory/888-55-0x0000000000000000-mapping.dmp
  • memory/888-56-0x00000000750C1000-0x00000000750C3000-memory.dmp
    Filesize

    8KB

  • memory/940-60-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/940-65-0x0000000000280000-0x0000000000300000-memory.dmp
    Filesize

    512KB

  • memory/940-69-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/940-64-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/940-63-0x0000000000280000-0x0000000000300000-memory.dmp
    Filesize

    512KB

  • memory/940-62-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/940-61-0x0000000000330000-0x0000000000352000-memory.dmp
    Filesize

    136KB

  • memory/940-59-0x00000000009E0000-0x0000000000A8E000-memory.dmp
    Filesize

    696KB

  • memory/940-57-0x0000000000000000-mapping.dmp
  • memory/1400-83-0x0000000001274000-0x0000000001277000-memory.dmp
    Filesize

    12KB

  • memory/1400-76-0x000007FEF2CA0000-0x000007FEF37FD000-memory.dmp
    Filesize

    11.4MB

  • memory/1400-77-0x0000000001274000-0x0000000001277000-memory.dmp
    Filesize

    12KB

  • memory/1400-84-0x000000000127B000-0x000000000129A000-memory.dmp
    Filesize

    124KB

  • memory/1400-75-0x000007FEF3800000-0x000007FEF4223000-memory.dmp
    Filesize

    10.1MB

  • memory/1400-73-0x0000000000000000-mapping.dmp
  • memory/1476-72-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/1476-70-0x0000000000080000-0x00000000000A2000-memory.dmp
    Filesize

    136KB

  • memory/1476-68-0x0000000074521000-0x0000000074523000-memory.dmp
    Filesize

    8KB

  • memory/1476-66-0x0000000000000000-mapping.dmp
  • memory/1756-54-0x000007FEFBD21000-0x000007FEFBD23000-memory.dmp
    Filesize

    8KB

  • memory/1948-78-0x0000000000000000-mapping.dmp
  • memory/1956-71-0x0000000000000000-mapping.dmp