Analysis

  • max time kernel
    134s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2024 13:20

General

  • Target

    79d3308bc1a57677e7939d85950f14bd_JaffaCakes118.exe

  • Size

    188KB

  • MD5

    79d3308bc1a57677e7939d85950f14bd

  • SHA1

    7917220ee59b30d8be728f3542c866b678b77094

  • SHA256

    6c040e7ba3738791a8fe02aeac79daf54aec69e0e336abf0caef3042b998281e

  • SHA512

    0d66dfd7edab6b1d53e33c79a10e71205acfee642f0d73bed9721f593b946268f7d5d96d7861b62aae5ee5409e1f180bb5225ad0f346a8297a8695b7615005ca

  • SSDEEP

    3072:zr8WDrCfAD8v1agWBMNCJBA2U39nHQ3CgLNy+NGCpE0WmkN5OAM:PufCmatMNeCgLNyJmkNoAM

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies registry class 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79d3308bc1a57677e7939d85950f14bd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\79d3308bc1a57677e7939d85950f14bd_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Users\Admin\AppData\Local\Temp\3582-490\79d3308bc1a57677e7939d85950f14bd_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\79d3308bc1a57677e7939d85950f14bd_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        3⤵
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1476
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\x.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4044
          • C:\Windows\SysWOW64\net.exe
            net stop "Security Center"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3224
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Security Center"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2420
        • C:\Windows\uscmngb.exe
          "C:\Windows\uscmngb.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\79d3308bc1a57677e7939d85950f14bd_JaffaCakes118.exe

    Filesize

    148KB

    MD5

    89c246a10425b7b54c2b6e1141d96d12

    SHA1

    2f46723800ff9ea9ad0ba50cccb62758236197c3

    SHA256

    fcaa2919e668c469556072cbd6ad9a6cd012ddc30f51c576b2927d3333f87209

    SHA512

    8547bba559d20fe312115cb747b99f52443e9ed1637428b2fede666ce99ac8130ffe19d82062da08b44ccb6de9cefb420e4dd91c525642ab95de508fb4ec82a1

  • C:\Windows\uscmngb.exe

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • C:\x.bat

    Filesize

    53B

    MD5

    e6ed7be2b9572503f07663ca6e53759f

    SHA1

    7ad80bd38f2a27e06c111b551c76ad0a0585c194

    SHA256

    b1a6c027d18eb5766129a059f68201e6fb8c68d095f3932983009fe5ae2e4df9

    SHA512

    e0010782b4fe567290536743375112db3107f8390d4c5cbb97f1bf1a8c83825399e1fe2fe9793d351896bb704f3bdec583fa7241b853b136fa9440a927d94227

  • memory/1084-13-0x0000000073C82000-0x0000000073C83000-memory.dmp

    Filesize

    4KB

  • memory/1084-21-0x0000000073C80000-0x0000000074231000-memory.dmp

    Filesize

    5.7MB

  • memory/1084-14-0x0000000073C80000-0x0000000074231000-memory.dmp

    Filesize

    5.7MB

  • memory/1084-15-0x0000000073C80000-0x0000000074231000-memory.dmp

    Filesize

    5.7MB

  • memory/1476-18-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1476-19-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1476-16-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1476-33-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/1476-31-0x0000000000470000-0x0000000000539000-memory.dmp

    Filesize

    804KB

  • memory/2952-117-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2952-118-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2952-120-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB