Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    23-07-2024 01:36

General

  • Target

    65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    65a2be90c25779428c09a68d4915f78b

  • SHA1

    d285b2c6fc1e3d4759923becd97264e72e6fa86a

  • SHA256

    85336572d08ec10e9c2660b358d6a5d29bc2de4aff4b4f7b85d15d4f4cc9baf7

  • SHA512

    061d5d547fb055cc3186b741d6903967c24964252413b5cf1fe9f80ddbf1b5b5017f466636f9cc6a31238c221b124d7de3075ee914c025fb014167613d22ba8b

  • SSDEEP

    3072:sr85C0NL28PvcGx1eoSAuMqPvcGx1eoSAuMv:k9048P0Q1xbujP0Q1xbu4

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Local\Temp\3582-490\65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:2328

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\65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe

    Filesize

    96KB

    MD5

    49ad9ef00b7e8a227720a6f0ccd6caf5

    SHA1

    a1f889c0265946d9b79233eef3a48f5eba1230f8

    SHA256

    0b722e559e02979b991d2680aeb1bc99f56873dc5915f4d739999157a06898c8

    SHA512

    71a9af2ab15ba67142b563218ae6ff29e003f486cc1f6e53810c312f83090344f339c9de6cacc2dd0767b32f2cb5b3e013eb3b1b2a45c3fdb4336289d712781f

  • memory/3036-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3036-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB