Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    06-02-2025 08:10

General

  • Target

    JaffaCakes118_a904074909010cf6dfc214697e6a3c1a.exe

  • Size

    1.7MB

  • MD5

    a904074909010cf6dfc214697e6a3c1a

  • SHA1

    72ff03c6b3c8ebcbe5a70233b010340f04ff9480

  • SHA256

    35a88493460a356438d1232431aba9b9074b55a52356786b2682a972d7971064

  • SHA512

    844ba2b38019d78d62bc86f8fbb7904e15e2e423fd124418766d4d2d55e5583744231990beab2003541f0e68413544093340fe70cba4ee75849ea673928f9882

  • SSDEEP

    49152:rHeM7+gpUTJPWTyKWtvCcaOSjFk70BsCev:rHeMH6+TyDtvC2it+

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 1 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 1 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a904074909010cf6dfc214697e6a3c1a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a904074909010cf6dfc214697e6a3c1a.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:2448
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_a904074909010cf6dfc214697e6a3c1a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_a904074909010cf6dfc214697e6a3c1a.exe"
      2⤵
      • Executes dropped EXE
      PID:2488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • \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_a904074909010cf6dfc214697e6a3c1a.exe

    Filesize

    1.7MB

    MD5

    b7c507232384dda71a34edb3464a7259

    SHA1

    6d7c3c9327302d2c027d98c04eb23bbd6789d4af

    SHA256

    000da1c05768419deb55e4e1e2b6fb047a76a048ecc60687608699dc0a445f87

    SHA512

    b74807f0a40c2d67a5395c648ffbc34eb116d02de65b46dc948b780e50f88eeead619263be7854e6ae4b7d4dc8631dbabd98623ba9b905ebf2113625f6adfbdd

  • memory/2448-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2448-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB