Analysis

  • max time kernel
    89s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 13:33

General

  • Target

    832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    832dbde4940b4807e52ff25a2a4d5973

  • SHA1

    cb857cb0239c760d5a36f8603fef5f9951d222dc

  • SHA256

    de544199796705d18dad9dcf238c7c96de3fc8c793057cad94e319527af9c7bd

  • SHA512

    da366ba0423074f8817b50965ccdfa6b884ea1645590b56420eab8bc3f608616279c6d35649d9cd7e8e9dcc5119abfc72f4e41084d43e1d9b10cfc1d3a667568

  • SSDEEP

    12288:8ChKCta0bXW+5XdBVr7wZt5g/bbZLWSkrVlOULoqA3ihgvcEeKqaiF7F:8xMlzPr06LWS4VlNfgvcEZexF

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

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

  • Neshta family
  • Loads dropped DLL 1 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fZLsvaxOqcQu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5004.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2896
    • C:\Users\Admin\AppData\Local\Temp\832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe"
      2⤵
      • 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
      PID:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{9A861~1\ose.exe

    Filesize

    186KB

    MD5

    1219b31d4443cdae8635ef7df5ee667e

    SHA1

    543ec801115cdda740ec7fbfaa3579e66c6e9f97

    SHA256

    3740458de5da8bc42f51cca1a38b9f2df5b1437c55a1126ff3dc7649a0ecc6c7

    SHA512

    66c1e50eb52dd103df05866507912d6ce067e79bc489181d2b44303f01485afca17ea4c4e7b6fdb5583b4f20f8769b607491f187dc16755152cecc9352839d37

  • C:\Users\Admin\AppData\Local\Temp\tmp5004.tmp

    Filesize

    1KB

    MD5

    3749f6ca4fb26d5ab3ff53525f0cb546

    SHA1

    757b99f0af7138e53578d98243c1f654114091fd

    SHA256

    bdf49d22b5be506bfdaa35c0cd772eee50262c9158a7f32e83882678178df3e9

    SHA512

    d4fe0e5674b98e3609e610ba2c705dc04a3024d78883a0eec87fb2b8ba747e89293c7f00e0ede26cb8e6eb16cebbe93858de852bb70658a3cb3aaad8eb164404

  • C:\Users\Admin\AppData\Roaming\FZLSVA~1.EXE

    Filesize

    1.0MB

    MD5

    832dbde4940b4807e52ff25a2a4d5973

    SHA1

    cb857cb0239c760d5a36f8603fef5f9951d222dc

    SHA256

    de544199796705d18dad9dcf238c7c96de3fc8c793057cad94e319527af9c7bd

    SHA512

    da366ba0423074f8817b50965ccdfa6b884ea1645590b56420eab8bc3f608616279c6d35649d9cd7e8e9dcc5119abfc72f4e41084d43e1d9b10cfc1d3a667568

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2116-3-0x00000000002C0000-0x00000000002DE000-memory.dmp

    Filesize

    120KB

  • memory/2116-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2116-6-0x0000000005920000-0x00000000059C6000-memory.dmp

    Filesize

    664KB

  • memory/2116-7-0x0000000004360000-0x0000000004398000-memory.dmp

    Filesize

    224KB

  • memory/2116-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

    Filesize

    4KB

  • memory/2116-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2116-1-0x0000000000C60000-0x0000000000D70000-memory.dmp

    Filesize

    1.1MB

  • memory/2116-36-0x0000000074DC0000-0x00000000754AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2116-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

    Filesize

    4KB

  • memory/2512-28-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2512-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2512-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2512-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2512-16-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2512-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2512-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2512-26-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2512-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2512-14-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2512-13-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB