Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2023 05:48

General

  • Target

    ayjbrprbkbxm.dll

  • Size

    803KB

  • MD5

    45f241fd144ec617a7610cb4edc51f30

  • SHA1

    2e72fecc72365b0082f589ff3825addc7e2cecef

  • SHA256

    88a2725a387dec6b5402c3597642c6085aef187aad75f241915445adfc99263d

  • SHA512

    2a25de03f045b85bd34e01024e21cf63cacd6980876bedc155f3a454e02508933def413037da832df5ce19f225d76b1b42fb0c8cca8c5c2a61cdeddffc1c9815

  • SSDEEP

    12288:DSzKApsXlCgKu33OA5kXnLiu+quwbubFDY8/Ck0FL2kd9IVJpfnEoHuHe/pEj:o1psShG8rmLKG+FqkQpP3HuHe/pEj

Malware Config

Extracted

Family

qakbot

Version

404.999

Botnet

notset

Campaign

1681806702

C2

67.10.2.240:995

172.248.42.122:443

12.172.173.82:21

76.86.31.59:443

24.139.11.137:443

74.66.134.24:443

86.178.33.125:2222

198.2.51.242:993

124.246.122.199:2222

50.68.204.71:995

12.172.173.82:465

184.182.66.109:443

105.184.209.7:995

100.6.31.96:443

139.226.47.229:995

175.156.65.126:2222

161.142.104.40:995

122.184.143.85:443

125.99.69.178:443

86.99.49.64:2222

Attributes
  • salt

    SoNuce]ugdiB3c[doMuce2s81*uXmcvP

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ayjbrprbkbxm.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ayjbrprbkbxm.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 680
        3⤵
        • Program crash
        PID:2756
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1292 -ip 1292
    1⤵
      PID:1840

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1292-133-0x0000000002510000-0x0000000002511000-memory.dmp

      Filesize

      4KB

    • memory/1292-134-0x0000000002A70000-0x0000000002A94000-memory.dmp

      Filesize

      144KB

    • memory/1292-135-0x0000000002A70000-0x0000000002A94000-memory.dmp

      Filesize

      144KB

    • memory/1292-136-0x00000000025B0000-0x00000000025D7000-memory.dmp

      Filesize

      156KB

    • memory/1292-137-0x0000000002A70000-0x0000000002A94000-memory.dmp

      Filesize

      144KB

    • memory/1292-139-0x0000000000400000-0x00000000004CD000-memory.dmp

      Filesize

      820KB