Analysis

  • max time kernel
    129s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-04-2021 23:37

General

  • Target

    file.dll

  • Size

    407KB

  • MD5

    041ccd638d7bbe77615ce906103fb227

  • SHA1

    76a3525b2035758f51383bb4d2a2df7f783ac026

  • SHA256

    e7f0bf2f96af1faa7b3fddb15ab47a36c60567cf9274b1a8a2d58b3b9815817d

  • SHA512

    3c8f46a1f8015e796d6115a8927b80a95b6870806569fb5e3b03a44dd4452f65354ec7d94586f336fe36bf4c2327b84c0164e7b5a903d2df08d1199f308b36af

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

obama05

Campaign

1613729859

C2

86.160.137.132:443

172.87.157.235:3389

106.51.85.162:443

108.31.15.10:995

38.92.225.121:443

173.184.119.153:995

81.150.181.168:2222

71.187.170.235:443

188.25.63.105:443

71.117.132.169:443

193.248.221.184:2222

85.52.72.32:2222

87.202.87.210:2222

78.185.59.190:443

2.7.116.188:2222

81.97.154.100:443

24.50.118.93:443

98.121.187.78:443

108.29.32.251:443

24.152.219.253:995

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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\file.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1420
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1324
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ldrazlb /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:19 /ET 01:31
          4⤵
          • Creates scheduled task(s)
          PID:1532
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {704A7E98-E7D4-43DE-BE55-166474382BF6} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\file.dll"
        3⤵
        • Loads dropped DLL
        PID:1588

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

Loading Replay Monitor...

Downloads

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

    f834fc582b7db0606e5312e2a950be03

    SHA1

    e15ce557d050d6824837bbd86ac8fa43b9575b7f

    SHA256

    3742681d6b5c614f07854171b5a990e3e7fd03bc35fe9ce4ef9d1b0fb97c20ae

    SHA512

    6269f9ea64fc9effd178716db84f4470f4a41085631dfb8ca87569e19570894567e02f674f72220f5e3ae83862dcb682fd909f93ce12d1f808b3bd8c0374508d

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

    f834fc582b7db0606e5312e2a950be03

    SHA1

    e15ce557d050d6824837bbd86ac8fa43b9575b7f

    SHA256

    3742681d6b5c614f07854171b5a990e3e7fd03bc35fe9ce4ef9d1b0fb97c20ae

    SHA512

    6269f9ea64fc9effd178716db84f4470f4a41085631dfb8ca87569e19570894567e02f674f72220f5e3ae83862dcb682fd909f93ce12d1f808b3bd8c0374508d

  • memory/1104-60-0x000007FEFC4D1000-0x000007FEFC4D3000-memory.dmp
    Filesize

    8KB

  • memory/1324-67-0x0000000074EC1000-0x0000000074EC3000-memory.dmp
    Filesize

    8KB

  • memory/1324-69-0x00000000000C0000-0x00000000000F5000-memory.dmp
    Filesize

    212KB

  • memory/1324-65-0x0000000000000000-mapping.dmp
  • memory/1420-63-0x0000000000310000-0x0000000000390000-memory.dmp
    Filesize

    512KB

  • memory/1420-64-0x0000000010000000-0x0000000010067000-memory.dmp
    Filesize

    412KB

  • memory/1420-62-0x0000000076E11000-0x0000000076E13000-memory.dmp
    Filesize

    8KB

  • memory/1420-61-0x0000000000000000-mapping.dmp
  • memory/1532-68-0x0000000000000000-mapping.dmp
  • memory/1588-73-0x0000000000000000-mapping.dmp
  • memory/1736-70-0x0000000000000000-mapping.dmp