Analysis

  • max time kernel
    95s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 23:19

General

  • Target

    JaffaCakes118_614195cccd5cd774d45ca735ba1a67e0.exe

  • Size

    126KB

  • MD5

    614195cccd5cd774d45ca735ba1a67e0

  • SHA1

    b56de4a6e8a120781f2c06513a196ae6906612d7

  • SHA256

    65e4d29ca4a01c9f9f2d1827bb1ee2f5968757a1d2ece228c3b5539fd357c299

  • SHA512

    4d59b09e9054ecc396f73783d2146f3216c7c7a7da7c40e28531d4bfd68d00aec8699e1d76450bc75226a9bc33ce876ceacc340dee966cf36cf59ccb305d793a

  • SSDEEP

    3072:zr8WDrCClOtLvxAc8Dsp+FNX1dFOvDlXJu6AWClz:PuClo5/8dNXSEgClz

Malware Config

Signatures

  • 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 2 IoCs
  • Loads dropped DLL 2 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NSIS installer 4 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_614195cccd5cd774d45ca735ba1a67e0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_614195cccd5cd774d45ca735ba1a67e0.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:3672
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_614195cccd5cd774d45ca735ba1a67e0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_614195cccd5cd774d45ca735ba1a67e0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Users\Admin\AppData\Local\Temp\nsc99E0.tmp\webapp-uninstaller.exe
        "C:\Users\Admin\AppData\Local\Temp\nsc99E0.tmp\webapp-uninstaller.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_614195cccd5cd774d45ca735ba1a67e0.exe

    Filesize

    85KB

    MD5

    89c4ee271d9a2b69e23cfe5a005c909d

    SHA1

    4b0451b4928be8a1f5c7fd9850ea2014e5d7ec18

    SHA256

    a3d202bade7b7addf7b9912f8caeb0df93ac6297a60bd3a3c28b4308d4bf9163

    SHA512

    b76672340fc8ec3574fcb085f436273a6d56326774fa3ceb1c28e6c4b8975adc8c4f83fcc717317dac48cb11e51533994d5d01ddbfbb97316b2784cbe7ec93b9

  • C:\Users\Admin\AppData\Local\Temp\nsc99DF.tmp\System.dll

    Filesize

    11KB

    MD5

    883eff06ac96966270731e4e22817e11

    SHA1

    523c87c98236cbc04430e87ec19b977595092ac8

    SHA256

    44e5dfd551b38e886214bd6b9c8ee913c4c4d1f085a6575d97c3e892b925da82

    SHA512

    60333253342476911c84bbc1d9bf8a29f811207787fdd6107dce8d2b6e031669303f28133ffc811971ed7792087fe90fb1faabc0af4e91c298ba51e28109a390

  • C:\Users\Admin\AppData\Local\Temp\nsc99E0.tmp\webapp-uninstaller.exe

    Filesize

    69KB

    MD5

    02f4abbd62f2e727990a4f544ac0c9ca

    SHA1

    9dec78fa7e9922e966f663bf1666467985d7751a

    SHA256

    e1567761463932a106312192d1f7f2d9c6a8ad3fa6c96631ba548a9ee0c2990e

    SHA512

    4761f85f008f72a337d64f1d81113ce8969b41a2d356eeac7922913d48ca084438532280c68a76026cafb93da34d158067287f83f33ac31405bfd858c6645884

  • memory/3672-114-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3672-115-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3672-117-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB