Analysis

  • max time kernel
    97s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    21-01-2022 07:00

General

  • Target

    3eeb2414cf302196ea30fb6b8128fae3487519b99447d13be300b3df92971868.dll

  • Size

    628KB

  • MD5

    e59bf97850b2ed7e5c92b409d328d030

  • SHA1

    d9c51be1559b3f14afef91f52155634f52fa116e

  • SHA256

    3eeb2414cf302196ea30fb6b8128fae3487519b99447d13be300b3df92971868

  • SHA512

    023504215536111b6bdd5aac409ba71f0ba046d8c23244adcf014ec2f6f6902651cc40558edf9e4de6c34873ba12f907b4abb953229ac74ab14adcbd9a69f32e

Malware Config

Extracted

Family

qakbot

Version

403.10

Botnet

cullinan

Campaign

1640168876

C2

93.48.80.198:995

140.82.49.12:443

32.221.229.7:443

24.152.219.253:995

31.35.28.29:443

96.37.113.36:993

190.39.205.165:443

79.173.195.234:443

39.49.66.100:995

103.139.242.30:22

79.167.192.206:995

45.9.20.200:2211

24.95.61.62:443

37.210.226.125:61202

103.139.242.30:995

70.163.1.219:443

103.143.8.71:6881

76.169.147.192:32103

136.143.11.232:443

63.153.187.104:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Sets service image path in registry 2 TTPs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3eeb2414cf302196ea30fb6b8128fae3487519b99447d13be300b3df92971868.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3eeb2414cf302196ea30fb6b8128fae3487519b99447d13be300b3df92971868.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1240
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 644
        3⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2924
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1240 -ip 1240
    1⤵
    • Suspicious use of NtCreateProcessExOtherParentProcess
    • Suspicious use of WriteProcessMemory
    PID:3076
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe 1dee4fd671a44a7a68d61b0e1d16fb0d 7s8fIIQQMEmz3ID6MaZggQ.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:384
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k wusvcs -p
    1⤵
      PID:3080

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1240-133-0x0000000004CF0000-0x0000000004D11000-memory.dmp
      Filesize

      132KB

    • memory/1240-134-0x0000000004CF0000-0x0000000004D11000-memory.dmp
      Filesize

      132KB

    • memory/1240-135-0x0000000004C80000-0x0000000004CC3000-memory.dmp
      Filesize

      268KB

    • memory/1240-136-0x0000000004CF0000-0x0000000004D11000-memory.dmp
      Filesize

      132KB