Analysis

  • max time kernel
    142s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-03-2021 15:30

General

  • Target

    2b42fb61e0f60af5a006ebf64e355e3e32faa446571151399498401ece26cc78.dll

  • Size

    1.2MB

  • MD5

    98a1c5e5fc44cfeec08fea897095348b

  • SHA1

    5fad9fae7d935ee1bdd587717dcee7767000f073

  • SHA256

    2b42fb61e0f60af5a006ebf64e355e3e32faa446571151399498401ece26cc78

  • SHA512

    f8d54fba601751536fffa7c8da48cec20736d2b61e0060779a4d3a156d7100ed53fd9c847b5e8e0719b67498ac3075db43b3f94b3ced5e3ea3e0c9ce6c74e246

Malware Config

Extracted

Family

qakbot

Botnet

biden12

Campaign

1615580905

C2

24.229.150.54:995

109.12.111.14:443

173.21.10.71:2222

81.214.126.173:2222

75.118.1.141:443

98.252.118.134:443

71.74.12.34:443

186.31.77.42:443

81.97.154.100:443

71.117.132.169:443

24.139.72.117:443

67.165.206.193:993

106.51.52.111:443

47.196.192.184:443

71.197.126.250:443

24.95.61.62:443

47.22.148.6:443

195.12.154.8:443

71.163.223.159:443

197.45.110.165:995

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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b42fb61e0f60af5a006ebf64e355e3e32faa446571151399498401ece26cc78.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b42fb61e0f60af5a006ebf64e355e3e32faa446571151399498401ece26cc78.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1512
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xyhjvpny /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\2b42fb61e0f60af5a006ebf64e355e3e32faa446571151399498401ece26cc78.dll\"" /SC ONCE /Z /ST 15:28 /ET 15:40
          4⤵
          • Creates scheduled task(s)
          PID:1384
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A67397F0-E58A-4559-8785-400E50ABA504} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\2b42fb61e0f60af5a006ebf64e355e3e32faa446571151399498401ece26cc78.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1620
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\2b42fb61e0f60af5a006ebf64e355e3e32faa446571151399498401ece26cc78.dll"
        3⤵
        • Loads dropped DLL
        PID:684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\2b42fb61e0f60af5a006ebf64e355e3e32faa446571151399498401ece26cc78.dll

    MD5

    af52330117b90391d5846e33bc6eeb75

    SHA1

    adff84d7b92a54c7e95c3b450cca4744494e278e

    SHA256

    550321c32c72293b9914ee04ae1f81ec6bbec2a8d604ecf5ab82a9a43afc7a4b

    SHA512

    72c1531482cbc0ccde500ceae9835225c8411c95ed8597346a058b60f294e04a9522d519a59fe29973e1f3178895ff3a103ead14261879a693dc3b582efc07de

  • \Users\Admin\AppData\Local\Temp\2b42fb61e0f60af5a006ebf64e355e3e32faa446571151399498401ece26cc78.dll

    MD5

    af52330117b90391d5846e33bc6eeb75

    SHA1

    adff84d7b92a54c7e95c3b450cca4744494e278e

    SHA256

    550321c32c72293b9914ee04ae1f81ec6bbec2a8d604ecf5ab82a9a43afc7a4b

    SHA512

    72c1531482cbc0ccde500ceae9835225c8411c95ed8597346a058b60f294e04a9522d519a59fe29973e1f3178895ff3a103ead14261879a693dc3b582efc07de

  • memory/684-17-0x0000000000000000-mapping.dmp

  • memory/1384-11-0x0000000000000000-mapping.dmp

  • memory/1512-13-0x0000000000080000-0x00000000000BB000-memory.dmp

    Filesize

    236KB

  • memory/1512-7-0x0000000000000000-mapping.dmp

  • memory/1512-9-0x0000000074571000-0x0000000074573000-memory.dmp

    Filesize

    8KB

  • memory/1512-12-0x0000000000080000-0x00000000000BB000-memory.dmp

    Filesize

    236KB

  • memory/1620-15-0x000007FEFBC41000-0x000007FEFBC43000-memory.dmp

    Filesize

    8KB

  • memory/1620-14-0x0000000000000000-mapping.dmp

  • memory/1900-10-0x00000000008D0000-0x000000000090B000-memory.dmp

    Filesize

    236KB

  • memory/1900-5-0x0000000000830000-0x0000000000869000-memory.dmp

    Filesize

    228KB

  • memory/1900-3-0x0000000075E51000-0x0000000075E53000-memory.dmp

    Filesize

    8KB

  • memory/1900-6-0x00000000008D0000-0x000000000090B000-memory.dmp

    Filesize

    236KB

  • memory/1900-4-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/1900-2-0x0000000000000000-mapping.dmp