Analysis

  • max time kernel
    144s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 06:09

General

  • Target

    JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.exe

  • Size

    795KB

  • MD5

    63217690b18591567f21edbd5c7a4fd2

  • SHA1

    f0bfe15791aae91805eff3e86f0d91c3175373a7

  • SHA256

    8021817db6f26ad03bf6fbc0527fe665831b14fc4437d275535ed03866d6ce0e

  • SHA512

    8cd26eebe07adf74c5c98a1efd32388112325080ce88c329bb4c95d7c77bcc500a196072c1c45d18483491f95f385c7cca9b73a2194895805caa255d2a6273e0

  • SSDEEP

    24576:NKvtYQ1xcr3NjJNyW5QyDmp7zahdzMtXWeP:NxhFmZGhdzkXWy

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 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.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:2068
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1372

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

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.exe

    Filesize

    755KB

    MD5

    84ed2b31a17481a7ebcf7c917272597a

    SHA1

    29c2381c9f7edee4dd3c65dae66c00ef962fb5a6

    SHA256

    6a8e57c4cebbb2461eca4021529e5b3265b4a91a39a679278a6d07156b727ddf

    SHA512

    d05700cf68cd5d490de058ef0c6140b13ce7416c3d3d2632e48ab085c841be907a9d36d26b440bbe00ba710373c3e70a39b1c5e053f6071eead171d63cac049e

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1372-91-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-93-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-86-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1372-85-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-101-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-89-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-90-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-11-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1372-92-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-100-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-94-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-95-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-96-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-97-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-98-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1372-99-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/2068-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2068-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB