Analysis

  • max time kernel
    104s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2025, 17:24

General

  • Target

    JaffaCakes118_8d1c6208503ae4e9582aebdb88ae719f.exe

  • Size

    197KB

  • MD5

    8d1c6208503ae4e9582aebdb88ae719f

  • SHA1

    c7689bdbbb5899460aa6205b5e97eaa1dd384084

  • SHA256

    bcd33dd19e3c0ea18814506e70a0d191c13f4f7ba2699e66263d05e50a48868a

  • SHA512

    354537d822bc7706720878cabfb209700ed1ba4dae420b4bba48ec6402fb2f856efc132a102d87e955cb35e439ed4e28213e1160250ffb2fd31b6684bbcf49b7

  • SSDEEP

    3072:sr85CLcD5VM/l74K7TXXoutCSCAgnBkl7KVN0Kr7ccurACuoFkaxM5IYitIQZ:k9mVM/lbXXoSC1H4ACjFkcMajHZ

Malware Config

Signatures

  • Detect Neshta payload 5 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 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.

  • UPX packed file 3 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\JaffaCakes118_8d1c6208503ae4e9582aebdb88ae719f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8d1c6208503ae4e9582aebdb88ae719f.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:2964
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_8d1c6208503ae4e9582aebdb88ae719f.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_8d1c6208503ae4e9582aebdb88ae719f.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2824

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_8d1c6208503ae4e9582aebdb88ae719f.exe

    Filesize

    157KB

    MD5

    ea396139541706b4b433641d62ea53ce

    SHA1

    b210db11bc0f57562e56add22b7b6974079ec6d0

    SHA256

    386e67a442cd0cf0a6fccef329c8673219bfdf96382e132d26e38f23dc09bb26

    SHA512

    0cd03c247787098c94eba7216e008028f896b07482664cd6ec522d16fa2d4cca3c0b1ece185ea29042c5111d214f30b42a589f4a65928e501fc132ceb436b044

  • memory/2824-11-0x0000000000B90000-0x0000000000BF4000-memory.dmp

    Filesize

    400KB

  • memory/2824-14-0x0000000000B90000-0x0000000000BF4000-memory.dmp

    Filesize

    400KB

  • memory/2964-136-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2964-137-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2964-138-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2964-140-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB