Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 6 IoCs
  • 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 2 IoCs

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

  • 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fZLsvaxOqcQu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp363E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3784
    • C:\Users\Admin\AppData\Local\Temp\832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe"
      2⤵
      • 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
      PID:1404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE

    Filesize

    328KB

    MD5

    632455cfa2316a2a0f61c4527925d74c

    SHA1

    ddd327f2fc10d695d223f73539495a35c9802682

    SHA256

    ee45de269280a60a375217a5a38d7dd254835ac5828a0faac1fd539c2061df20

    SHA512

    b2ec84e085f452bb6b1782d23d429717a20fb90d5c129d909c33a21966ad0872e66880b7f44625ba4cf5a8702029b9b22183bc9dd18163a0ed0b99c09c11e0f3

  • C:\Users\Admin\AppData\Local\Temp\3582-490\832dbde4940b4807e52ff25a2a4d5973_JaffaCakes118.exe

    Filesize

    1021KB

    MD5

    9687e63ec8609e96f67c6225580d7035

    SHA1

    cf60f521bc1f1aea034f8be1c40e40b57834d620

    SHA256

    0e6bf42dc14eebb280ca077325f084f2e4c424cf7f94f25e7baa2a0be5363611

    SHA512

    b37b4d111e03b7499098a5c0e508d087ae68a9b31bf704577d9b51d74f6e7d5a23f6234f1fe91e663b41af53f5d3b58d355e54b3e3866e349011f4722ee95c43

  • C:\Users\Admin\AppData\Local\Temp\tmp363E.tmp

    Filesize

    1KB

    MD5

    b48399e21a3a752a33ff40ec1fb0aa3a

    SHA1

    be2f315bc24bbf5b680c17410d77a7ecfff7a417

    SHA256

    40cf434f6acdcb6d69b13fe2ace782188a0ab826ddb258e20d46f16c511b9080

    SHA512

    bf2674b8945f7cc26089377aa8f1a7e547840a27c8cf1252651ceaf03d94de3e0f832c185fb383af5bc5b281f23e54ba23ddd6e1ef95bcaca2efbae17455b335

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

    Filesize

    1.0MB

    MD5

    832dbde4940b4807e52ff25a2a4d5973

    SHA1

    cb857cb0239c760d5a36f8603fef5f9951d222dc

    SHA256

    de544199796705d18dad9dcf238c7c96de3fc8c793057cad94e319527af9c7bd

    SHA512

    da366ba0423074f8817b50965ccdfa6b884ea1645590b56420eab8bc3f608616279c6d35649d9cd7e8e9dcc5119abfc72f4e41084d43e1d9b10cfc1d3a667568

  • memory/1404-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1404-120-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1404-118-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1404-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1404-19-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1404-23-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4744-6-0x00000000051C0000-0x0000000005216000-memory.dmp

    Filesize

    344KB

  • memory/4744-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp

    Filesize

    40KB

  • memory/4744-12-0x00000000079E0000-0x0000000007A18000-memory.dmp

    Filesize

    224KB

  • memory/4744-10-0x0000000075140000-0x00000000758F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-9-0x000000007514E000-0x000000007514F000-memory.dmp

    Filesize

    4KB

  • memory/4744-24-0x0000000075140000-0x00000000758F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-8-0x00000000027C0000-0x00000000027DE000-memory.dmp

    Filesize

    120KB

  • memory/4744-11-0x0000000007C60000-0x0000000007D06000-memory.dmp

    Filesize

    664KB

  • memory/4744-0-0x000000007514E000-0x000000007514F000-memory.dmp

    Filesize

    4KB

  • memory/4744-7-0x0000000075140000-0x00000000758F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4744-1-0x0000000000420000-0x0000000000530000-memory.dmp

    Filesize

    1.1MB

  • memory/4744-4-0x0000000004FE0000-0x0000000005072000-memory.dmp

    Filesize

    584KB

  • memory/4744-3-0x0000000005650000-0x0000000005BF4000-memory.dmp

    Filesize

    5.6MB

  • memory/4744-2-0x0000000004EA0000-0x0000000004F3C000-memory.dmp

    Filesize

    624KB