Analysis

  • max time kernel
    150s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-06-2022 20:01

General

  • Target

    youUp.dll

  • Size

    335KB

  • MD5

    124a1ecde0dc1b0fa212b2f5b1ac5943

  • SHA1

    961063415b239e9fc6e2c88a0252ef22e4cd2b8c

  • SHA256

    2f478b6d30f061323a35c4341799cd770feb8c588a7dad43f0ddfc311d34675a

  • SHA512

    01d8348183b4b7d673698cb8536a695801dfde4860810a68001708280f79171713f5e81703b6d2d9f892e42cbdb2930cb41cac380ebe1a5d041dd96dcf32f527

Malware Config

Extracted

Family

qakbot

Version

403.780

Botnet

obama192

Campaign

1655969261

C2

100.38.242.113:995

94.59.252.166:2222

74.14.5.179:2222

71.13.93.154:2222

193.253.44.249:2222

108.60.213.141:443

45.241.231.78:993

217.128.122.65:2222

40.134.246.185:995

1.161.124.241:443

70.46.220.114:443

24.43.99.75:443

32.221.224.140:995

80.11.74.81:2222

31.215.184.140:2222

39.49.85.29:995

67.209.195.198:443

186.90.153.162:2222

148.64.96.100:443

67.165.206.193:993

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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\youUp.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\youUp.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1796
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1808
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 22:03 /tn utatnmzl /ET 22:14 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAeQBvAHUAVQBwAC4AZABsAGwAIgA=" /SC ONCE
          4⤵
          • Creates scheduled task(s)
          PID:1116
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9ACA440A-1C52-4F76-9509-CAEF240CDA57} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAeQBvAHUAVQBwAC4AZABsAGwAIgA=
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\system32\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\youUp.dll
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Windows\SysWOW64\regsvr32.exe
          C:\Users\Admin\AppData\Local\Temp\youUp.dll
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:2008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\youUp.dll

    Filesize

    335KB

    MD5

    124a1ecde0dc1b0fa212b2f5b1ac5943

    SHA1

    961063415b239e9fc6e2c88a0252ef22e4cd2b8c

    SHA256

    2f478b6d30f061323a35c4341799cd770feb8c588a7dad43f0ddfc311d34675a

    SHA512

    01d8348183b4b7d673698cb8536a695801dfde4860810a68001708280f79171713f5e81703b6d2d9f892e42cbdb2930cb41cac380ebe1a5d041dd96dcf32f527

  • \Users\Admin\AppData\Local\Temp\youUp.dll

    Filesize

    335KB

    MD5

    124a1ecde0dc1b0fa212b2f5b1ac5943

    SHA1

    961063415b239e9fc6e2c88a0252ef22e4cd2b8c

    SHA256

    2f478b6d30f061323a35c4341799cd770feb8c588a7dad43f0ddfc311d34675a

    SHA512

    01d8348183b4b7d673698cb8536a695801dfde4860810a68001708280f79171713f5e81703b6d2d9f892e42cbdb2930cb41cac380ebe1a5d041dd96dcf32f527

  • memory/1116-65-0x0000000000000000-mapping.dmp

  • memory/1716-77-0x000000000123B000-0x000000000125A000-memory.dmp

    Filesize

    124KB

  • memory/1716-70-0x000007FEF2BC0000-0x000007FEF371D000-memory.dmp

    Filesize

    11.4MB

  • memory/1716-75-0x0000000001234000-0x0000000001237000-memory.dmp

    Filesize

    12KB

  • memory/1716-67-0x0000000000000000-mapping.dmp

  • memory/1716-69-0x000007FEF3720000-0x000007FEF4143000-memory.dmp

    Filesize

    10.1MB

  • memory/1716-71-0x0000000001234000-0x0000000001237000-memory.dmp

    Filesize

    12KB

  • memory/1796-59-0x00000000001F0000-0x0000000000212000-memory.dmp

    Filesize

    136KB

  • memory/1796-57-0x00000000001F0000-0x0000000000212000-memory.dmp

    Filesize

    136KB

  • memory/1796-63-0x00000000001F0000-0x0000000000212000-memory.dmp

    Filesize

    136KB

  • memory/1796-56-0x00000000753B1000-0x00000000753B3000-memory.dmp

    Filesize

    8KB

  • memory/1796-55-0x0000000000000000-mapping.dmp

  • memory/1808-60-0x0000000000000000-mapping.dmp

  • memory/1808-66-0x0000000000080000-0x00000000000A2000-memory.dmp

    Filesize

    136KB

  • memory/1808-64-0x0000000000080000-0x00000000000A2000-memory.dmp

    Filesize

    136KB

  • memory/1808-62-0x0000000074451000-0x0000000074453000-memory.dmp

    Filesize

    8KB

  • memory/1852-54-0x000007FEFBAA1000-0x000007FEFBAA3000-memory.dmp

    Filesize

    8KB

  • memory/1884-72-0x0000000000000000-mapping.dmp

  • memory/2008-76-0x0000000000000000-mapping.dmp

  • memory/2008-80-0x00000000009D0000-0x00000000009F2000-memory.dmp

    Filesize

    136KB

  • memory/2008-82-0x00000000009D0000-0x00000000009F2000-memory.dmp

    Filesize

    136KB