Analysis

  • max time kernel
    51s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2025, 19:51 UTC

General

  • Target

    JaffaCakes118_752495bb0c8cce837452f609aefb8872.exe

  • Size

    310KB

  • MD5

    752495bb0c8cce837452f609aefb8872

  • SHA1

    bdf8aff309dd7143b819172d77a6ab2c49ee1f73

  • SHA256

    45ba86e286db7adbe40ccb93156f29d55c3dfc79773776d4e8599267b5dde887

  • SHA512

    4a23239f9e42e6ea4ea364b7ebc6ee2b3dda5175b017ec349fac56dfb1e60dbaa6570655aa1e01ff5aa98186d8b2e73e4c5c1868501dee1077b38732402f332c

  • SSDEEP

    3072:zr8WDrCiwnbwUT8IUxkC+b53DU1rFh3FLvfLzo63JlPDZJoqLHYcrlwnxT1S1ZeH:PuFbwsX9bVIrpLvfLzoy7NJoqsJe2p

Malware Config

Signatures

  • 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 3 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 use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_752495bb0c8cce837452f609aefb8872.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_752495bb0c8cce837452f609aefb8872.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:2736
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_752495bb0c8cce837452f609aefb8872.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_752495bb0c8cce837452f609aefb8872.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

    Filesize

    859KB

    MD5

    754309b7b83050a50768236ee966224f

    SHA1

    10ed7efc2e594417ddeb00a42deb8fd9f804ed53

    SHA256

    acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

    SHA512

    e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

  • \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_752495bb0c8cce837452f609aefb8872.exe

    Filesize

    269KB

    MD5

    fa9b0a52110616d5dd9bcd6632e198ab

    SHA1

    790c65e8e9f7750618d4e679161b1de4ee9357f5

    SHA256

    39cd5a49af4f8d9c142b1b21c39c8d350363feb9893ba8b3c573c06a5bf94f87

    SHA512

    693416d08d86d05d0ac72369d14029e1ff8b93a0f5f0bc151845025c09536832da59ad017c895b1e3ab4ba4e4a4353690ba09287be36a971981afb349789d539

  • memory/2736-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2736-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2736-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2736-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2736-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2736-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

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