Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-07-2024 21:39

General

  • Target

    690a0e9fccb72879ee6f000144b80a01_JaffaCakes118.exe

  • Size

    448KB

  • MD5

    690a0e9fccb72879ee6f000144b80a01

  • SHA1

    8a0026455ec2b6874eccfc6454d9dc88168d829b

  • SHA256

    96b3c89107737e072b873a82e09be57c0f768cdafb16fb26c4da563e3e29b64d

  • SHA512

    b499f6eeb9101ca6ef39a79d139da287333176a97503b26a1967b392f975173310b073120418d948f70e1a983b819ee5f40fe4d88509dee770d04dcdd0eee1a9

  • SSDEEP

    12288:V+odh12DoX1tzThQu7HeGhE9r6sr5DyByKBl5E9x7z6cD:cJa1rQAH09Gsr5eBycled

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 2 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\690a0e9fccb72879ee6f000144b80a01_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\690a0e9fccb72879ee6f000144b80a01_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:4328
    • C:\Users\Admin\AppData\Local\Temp\3582-490\690a0e9fccb72879ee6f000144b80a01_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\690a0e9fccb72879ee6f000144b80a01_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\690a0e9fccb72879ee6f000144b80a01_JaffaCakes118.exe

    Filesize

    407KB

    MD5

    00401e37bd98ad9948b79e85d66636df

    SHA1

    0fd97d1e7217f328ab532556c2587c03b2cbcc9f

    SHA256

    37824cbfcbf4ef8bcf33026579b3014feb252f4f24452493b77afeda45bfbfaf

    SHA512

    e4688d31a2fa985c32cb8fb69df364e29be03f9e856f17500d1876f5843274734f264f1583607cbece99187bc0f82c1941033cc83b4c2b2490a03841d7a151f6

  • memory/3092-9-0x0000000000400000-0x0000000000556000-memory.dmp

    Filesize

    1.3MB

  • memory/4328-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4328-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4328-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB