Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79d3308bc1a57677e7939d85950f14bd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\79d3308bc1a57677e7939d85950f14bd_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • 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:2100
    • 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:2052
      • 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:2836
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\x.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2932
          • C:\Windows\SysWOW64\net.exe
            net stop "Security Center"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2724
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Security Center"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2716
        • C:\Windows\uscmngb.exe
          "C:\Windows\uscmngb.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

    Filesize

    859KB

    MD5

    754309b7b83050a50768236ee966224f

    SHA1

    10ed7efc2e594417ddeb00a42deb8fd9f804ed53

    SHA256

    acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

    SHA512

    e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

  • 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

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • C:\x.bat

    Filesize

    53B

    MD5

    e6ed7be2b9572503f07663ca6e53759f

    SHA1

    7ad80bd38f2a27e06c111b551c76ad0a0585c194

    SHA256

    b1a6c027d18eb5766129a059f68201e6fb8c68d095f3932983009fe5ae2e4df9

    SHA512

    e0010782b4fe567290536743375112db3107f8390d4c5cbb97f1bf1a8c83825399e1fe2fe9793d351896bb704f3bdec583fa7241b853b136fa9440a927d94227

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2052-35-0x0000000073E20000-0x00000000743CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2052-16-0x0000000073E21000-0x0000000073E22000-memory.dmp

    Filesize

    4KB

  • memory/2052-17-0x0000000073E20000-0x00000000743CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2052-18-0x0000000073E20000-0x00000000743CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2100-129-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2100-127-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2836-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2836-33-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2836-34-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2836-21-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2836-27-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2836-31-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2836-52-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2836-23-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2836-25-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2836-19-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB