Analysis

  • max time kernel
    149s
  • 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
    02-01-2025 03:35

General

  • Target

    JaffaCakes118_626987abefcb44e9f9767bb85b588830.exe

  • Size

    85KB

  • MD5

    626987abefcb44e9f9767bb85b588830

  • SHA1

    d6fc809f1db11321bbef51c2b88e6eb0d6a89400

  • SHA256

    1401af6997c9fdfb2bf0d3cfc6997e8da65a8281d6c55b16eb4173277aabbdf6

  • SHA512

    985a19b1a0e4ac59bc964c5a818aa9a775af8a7e0200ec436ae8c2a50ba670680aa88d8c574a7ad7b32e6a06c47d00eac8bfff6b5dbb9f72fec85a633a13bf18

  • SSDEEP

    1536:JxqjQ+P04wsmJCvf8BswUsp9JPbLVTMTD:sr85CvfesQJzLBC

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.

  • Neshta family
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • 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 3 TTPs

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

  • 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\JaffaCakes118_626987abefcb44e9f9767bb85b588830.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_626987abefcb44e9f9767bb85b588830.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:3852
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_626987abefcb44e9f9767bb85b588830.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_626987abefcb44e9f9767bb85b588830.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3760

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\JaffaCakes118_626987abefcb44e9f9767bb85b588830.exe

    Filesize

    44KB

    MD5

    f6294ba4ac37fd7e7d26e10c5ec38feb

    SHA1

    f9282a367521ec573d4a7c728a871fa77875fb6a

    SHA256

    7d4356bb69ea19d007069456e94482c997c0287e577ca1c05bec0bdd6627f139

    SHA512

    2aa0c8e4e852e8c6288e79b4babddbb110cbc71f7f326fd7feaa4f8e5fd978b9d72bbcb58d0b643a0446ef39f7e8b86a1bbd65a230ba1e1ff6c6cd9c000f359f

  • memory/3760-93-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/3852-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3852-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3852-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB