Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 22:49

General

  • Target

    2684aad68d0f655dd6b5c20fcec97870_JaffaCakes118.dll

  • Size

    443KB

  • MD5

    2684aad68d0f655dd6b5c20fcec97870

  • SHA1

    0cc6042fce3ffbd35516a91feb2e128dff58ebe3

  • SHA256

    c0d4674f54afb4ac2f25ff97db09eb8e482bdd737ac4ad24d9dae3a4330e35c5

  • SHA512

    c733782e7dfa97b74851ea46e6f57e219346e64bcd5cc3c535efdf5dab41f31e161b5261eb8911b0abddaed2057218139cc01fc5df18905187fd6f0535e23316

  • SSDEEP

    6144:7HYUVVmbHlODshiGB8n4MbF7z3PzMBvoEGiYOICC6lZrRAKNwwMIVT:D3VVmbFOYuxbFXIMcHlZre+weF

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

krk01

Campaign

1611569149

C2

31.5.21.66:995

89.3.198.238:443

202.188.138.162:443

188.24.128.253:443

175.141.219.71:443

151.60.15.183:443

184.189.122.72:443

80.227.5.70:443

140.82.49.12:443

89.211.241.100:995

81.97.154.100:443

77.27.174.49:995

92.154.83.96:2078

42.3.8.54:443

71.187.170.235:443

46.153.36.53:995

71.182.142.63:443

105.186.102.16:443

50.244.112.106:443

78.63.226.32:443

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2684aad68d0f655dd6b5c20fcec97870_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2684aad68d0f655dd6b5c20fcec97870_JaffaCakes118.dll,#1
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3596
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qzxjzrvuo /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\2684aad68d0f655dd6b5c20fcec97870_JaffaCakes118.dll\"" /SC ONCE /Z /ST 22:59 /ET 23:11
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2040
  • C:\Windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\2684aad68d0f655dd6b5c20fcec97870_JaffaCakes118.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4708
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\2684aad68d0f655dd6b5c20fcec97870_JaffaCakes118.dll"
      2⤵
      • Loads dropped DLL
      PID:4172
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 584
        3⤵
        • Program crash
        PID:1684
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4172 -ip 4172
    1⤵
      PID:3528

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Persistence

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\2684aad68d0f655dd6b5c20fcec97870_JaffaCakes118.dll
      Filesize

      443KB

      MD5

      074c052739489e7d59b203d9bfd4433d

      SHA1

      d7178f085e12b7284ede38133a433c2ce95dfdc1

      SHA256

      57d3a9918dbff37e39cd02156302e06dbe54c16604e2eb896d4844f75561d16c

      SHA512

      9dc5acdf95e8df996b14574091ec90e508edd8fdd7651cc556aef840f5deb29d2634207dc51419e66214430818689fa9e5a6a0e8dce9cf52f6c871b8508ab73b

    • memory/2396-1-0x0000000075810000-0x000000007588A000-memory.dmp
      Filesize

      488KB

    • memory/2396-2-0x000000007587D000-0x0000000075881000-memory.dmp
      Filesize

      16KB

    • memory/2396-3-0x0000000075810000-0x000000007588A000-memory.dmp
      Filesize

      488KB

    • memory/3596-4-0x0000000000210000-0x0000000000245000-memory.dmp
      Filesize

      212KB

    • memory/3596-6-0x0000000000210000-0x0000000000245000-memory.dmp
      Filesize

      212KB

    • memory/3596-8-0x0000000000210000-0x0000000000245000-memory.dmp
      Filesize

      212KB

    • memory/3596-7-0x0000000000210000-0x0000000000245000-memory.dmp
      Filesize

      212KB

    • memory/3596-10-0x0000000000210000-0x0000000000245000-memory.dmp
      Filesize

      212KB