Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-02-2025 14:41

General

  • Target

    JaffaCakes118_a0a434abece1bdc69420b5fda0ea1a53.exe

  • Size

    1.1MB

  • MD5

    a0a434abece1bdc69420b5fda0ea1a53

  • SHA1

    3dc3876e19dab542f0d2b3a629965e6b2ed41dbb

  • SHA256

    50da5c1c2f6d54077043ff6ac57cee5a10617b8855d62b591c64848024526f5f

  • SHA512

    8c8fa0d42c9301894ae6fd90b2fca133db8cabeefde4c3493c762df2108ba37684b4f4c28f0fbae0442ad2b77be36396f738f13627079b138c4b1b80c60a8674

  • SSDEEP

    24576:5ykiMICeww7nyoYi0HqF+WceO5REk6Fw/f9Y7bVRsd5FV9De:vF+Fqe23Ywy5kf9De

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Executes dropped EXE 2 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.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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).

  • Program crash 1 IoCs
  • 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a0a434abece1bdc69420b5fda0ea1a53.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a0a434abece1bdc69420b5fda0ea1a53.exe"
    1⤵
    • Loads dropped DLL
    • 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:2816
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_a0a434abece1bdc69420b5fda0ea1a53.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_a0a434abece1bdc69420b5fda0ea1a53.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3060
      • \??\c:\5f30183ce\update\update.exe
        c:\5f30183ce\update\update.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:1408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 448
      2⤵
      • Program crash
      PID:2936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    d79d6c445af89ac11b0349afc5dcd74b

    SHA1

    b9f4828b300812402aa3fe9d30dd1358419989e9

    SHA256

    b5cea0ec1c56740e98fd97f9c5be552bcd878d8d5e4c489aa32372acf9c2e340

    SHA512

    7b777152c28252de2a85afb63f48b5660372af3ea53281cb8d5e478425a9a05f39baf2d5421456be5941d80d1c10b1d640ec2c728c971504f8332c362a190069

  • \5f30183ce\update\update.exe

    Filesize

    270KB

    MD5

    8a337ef84139089cb726e414412c7e3c

    SHA1

    f36f33b11fd384d656df355cf70c5b0852da79c4

    SHA256

    6b7bfad25078e1a53e3a3ae2b1824b40d9b27bc67d45fef606bbbebe9d359c87

    SHA512

    4a83ee8a1053ad2fd2bab7bbf02051910596fe74743b62a4a5c31aa87786e9a3c2577e4c9ae1880757d273abf1a8314e3ecd2f3a3a71cf34a7ad4e90d718c6c3

  • \??\c:\5f30183ce\update\update.inf

    Filesize

    6KB

    MD5

    8878656191bdc46374d9f914c1b8582b

    SHA1

    6b45cb7fb2e2040e5e8343318c0032b5acf597c1

    SHA256

    00262bd370da9bd72aa440f3c9e7f2e7ba33dcd08edb21909c7a80112a79b0bc

    SHA512

    fdc9c4210501bc993a31ac6b83b8a9d127376c6f8e3a529d8524a37c4e4ee3a391b17c558d5a08a75b67d2727e116c516be7b6c932be4c8c6e5552d7360d8448

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_a0a434abece1bdc69420b5fda0ea1a53.exe

    Filesize

    1.1MB

    MD5

    0b757f6f12d8d95b2e4194d9f922a70e

    SHA1

    680ec904c6e256f04756736872d21980c5952af6

    SHA256

    2e4ddd73b74f7bcb24325a69cadba99f824acea342f222f718c8380e9e178850

    SHA512

    3cfc1d3e9caa8c3252796dcbbb0fa0618c1a086286bafc75882dbc6d3452ac4d4e5767d941b85c201cd07b30698c27f6c336ddb25eb28613d8534bee7bd75c58

  • memory/2816-194-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2816-196-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB