Analysis

  • max time kernel
    148s
  • max time network
    149s
  • 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, 17:54

General

  • Target

    JaffaCakes118_8f6f15763da0663962b5179a9ea26a96.exe

  • Size

    2.0MB

  • MD5

    8f6f15763da0663962b5179a9ea26a96

  • SHA1

    dc21bb7a4926dbfb314b4242650112ff3301a500

  • SHA256

    adc793ff60458496bf12a36de25769901a31f5f9f44d49462edec0952aa39fe0

  • SHA512

    3e7ebd1ad83b61e2ed51da4807a25ff9c8cf04230f77f4723e1f91e229c52882702c526c6eaa8fb395acb809bd1780a0dd01f256155dcb04e31659fa2b5887fd

  • SSDEEP

    49152:K8yniK3J0wT3GWkQAb2D9OhEmIuv1IfWpAoxU9:Kxnb3N3GfZ6DKd8sU9

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
  • Loads dropped DLL 7 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 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f6f15763da0663962b5179a9ea26a96.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f6f15763da0663962b5179a9ea26a96.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:5204
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_8f6f15763da0663962b5179a9ea26a96.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_8f6f15763da0663962b5179a9ea26a96.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1320
      • C:\Windows\SysWOW64\RunDll32.exe
        RunDll32.exe "C:\Users\Admin\AppData\Local\Temp\nsa53FE.tmp\OCSetupHlp.dll",_OCPRD306RunOpenCandyDLL@16 1320
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1172

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_8f6f15763da0663962b5179a9ea26a96.exe

    Filesize

    2.0MB

    MD5

    ee377c499226710dac9cee6ca00dd787

    SHA1

    cf7643adf90aec96c47ef1e498be235a0ee35f6d

    SHA256

    e0fa45a0b86dfe72026fa4fca590c29691bc65c8cbeddb6d6dee6a2821fc98bb

    SHA512

    1b0ec40e2cbdd8fcb0643d561b057ec9221291cc4db1f6ac3a28380e9008b5a5aed3dfa400fbb6bb0494c9259a59fbbcdc5164957932d090aa359ab74f9ffe99

  • C:\Users\Admin\AppData\Local\Temp\nsa53FE.tmp\AdvSplash.dll

    Filesize

    6KB

    MD5

    13cc92f90a299f5b2b2f795d0d2e47dc

    SHA1

    aa69ead8520876d232c6ed96021a4825e79f542f

    SHA256

    eb1ca2b3a6e564c32677d0cdc388e26b74ef686e071d7dbca44d0bfa10488feb

    SHA512

    ff4e6e6e7104568fc85ef3a3f0494a5c7822a4ceaf65c584ad534f08f9a472a8d86f0a62f1f86343c61e2540b2254714b7ea43e4b312ff13d8271ff069386fa3

  • C:\Users\Admin\AppData\Local\Temp\nsa53FE.tmp\OCSetupHlp.dll

    Filesize

    754KB

    MD5

    f24cff4d7ecd3cc43a06d441f936c141

    SHA1

    d683e2161d753f7d571ca3d5feb0c0c8937cfeff

    SHA256

    292a7d4bd5984409e80a47afb1fb8c3104f7486b6e57399b1aead098249ef980

    SHA512

    db3b06194d4e29c84a33c1fbd4d17d1e565340a321bb5d1b8297715afd0e19e416e8a2ec7f0b70a29da9046a789f3febfc15b7478beff74e13ce70ade1339927

  • C:\Users\Admin\AppData\Local\Temp\nsa53FE.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • C:\Users\Admin\AppData\Local\Temp\nsa53FE.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    c10e04dd4ad4277d5adc951bb331c777

    SHA1

    b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

    SHA256

    e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

    SHA512

    853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

  • memory/1172-25-0x0000000002C10000-0x0000000002C11000-memory.dmp

    Filesize

    4KB

  • memory/5204-167-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5204-168-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5204-170-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB