Analysis

  • max time kernel
    44s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 07:54

General

  • Target

    JaffaCakes118_63a2c2325c460b5a244237a24def7450.exe

  • Size

    225KB

  • MD5

    63a2c2325c460b5a244237a24def7450

  • SHA1

    4b862266c142582cfdc0bdd472925f10f1ca578d

  • SHA256

    407ae4d5f5bed6deb4aede4392d1f1d99956eea308a1965d8de7449e792d3bc7

  • SHA512

    3a674cb8a9ae5918a51f2d4e704d3158cee356c734f636f00d999373bf89d6d3916db2b550c18c9265070cf458452a449123358af278ee508dde614938de57d8

  • SSDEEP

    3072:sr85C/qoo7zQTXb4apSL7Nt5FRmBTBfusBQfFBYIjZqMNds1fpDMtkAy8i3ro/gZ:k9/JoQTX5pS9t7RmBTBjEbvy1YkssroI

Malware Config

Signatures

  • Detect Neshta payload 6 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_63a2c2325c460b5a244237a24def7450.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63a2c2325c460b5a244237a24def7450.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:3004
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63a2c2325c460b5a244237a24def7450.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63a2c2325c460b5a244237a24def7450.exe"
      2⤵
      • Executes dropped EXE
      PID:2512

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_63a2c2325c460b5a244237a24def7450.exe

    Filesize

    184KB

    MD5

    aa2f3d9f789f071f90b398cc7d40330e

    SHA1

    4589fbd61132d47222c29ebd227c45760a44d608

    SHA256

    94da735d7675816f9f338f4db1800648d36e5ea6154ac8975cdc7e9691a10a03

    SHA512

    39c2e6dc8f6b83bcc99c6b8e1a80d4f36effaf0edcd11d493c54228a5cb605d8d61af8f8ddbc9e65f2d5a02fc0e69cfbedec09c54eb8413251d711394b6acd0a

  • memory/2512-12-0x0000000002030000-0x00000000022A0000-memory.dmp

    Filesize

    2.4MB

  • memory/2512-21-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2512-22-0x0000000002030000-0x00000000022A0000-memory.dmp

    Filesize

    2.4MB

  • memory/3004-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3004-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3004-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3004-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3004-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB