Analysis

  • max time kernel
    94s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 10:28

General

  • Target

    fb2c628a7477b83947f2e7d836fd943c_JaffaCakes118.exe

  • Size

    114KB

  • MD5

    fb2c628a7477b83947f2e7d836fd943c

  • SHA1

    5870fa6dec56d254fbb5e5292d513cec20e14771

  • SHA256

    17f147084ad7644412d985dbbed1c2c1a92be0f9a177d4387bc8a11b3f23a348

  • SHA512

    938dc8fd4d3580208fb607cd6baf408a9658af31d21be965bafc964fdb07126fa65adc01224ad0a0b0308c82ce1d1eec99c7959020d4e0b77821f581826bee4e

  • SSDEEP

    1536:JxqjQ+P04wsmJC1JNcsthkE5Xvk13MPXy8giGFKWuaWREooi4vNoHrr0Iw0mYOK:sr85C1hkThMP3MKWbmEooDvNoHrr0o

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
  • 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\fb2c628a7477b83947f2e7d836fd943c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb2c628a7477b83947f2e7d836fd943c_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:1868
    • C:\Users\Admin\AppData\Local\Temp\3582-490\fb2c628a7477b83947f2e7d836fd943c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\fb2c628a7477b83947f2e7d836fd943c_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2444

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\fb2c628a7477b83947f2e7d836fd943c_JaffaCakes118.exe

    Filesize

    73KB

    MD5

    0c2562259805e903ed2fefa7ae7d3ccf

    SHA1

    89b5982827aa5c187e2cd29ccd7847a498bfa9b4

    SHA256

    9ec6f8286618655ff3a27aeb16d9880012f2e2028ad9ad19250c4ab018f01301

    SHA512

    3eac39447dfe58441df4221c8ffe05d477ab7d4d1d890a86024825e02e7858b8c1802af7541405a99c105776ff6dad06e411fecaa9b2a9d9026bb3a1492fe932

  • memory/1868-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1868-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1868-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB