Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 15:18

General

  • Target

    JaffaCakes118_5a190206161d3c9b49e8d3fde0bcdab0.exe

  • Size

    138KB

  • MD5

    5a190206161d3c9b49e8d3fde0bcdab0

  • SHA1

    5d902e1981cbbc3f1d2de4ea07ae00db52b43671

  • SHA256

    1a37794904e365ed3f306850ffa2ee7f1377c531efd365ef7522ed3428c9dda8

  • SHA512

    4dd0f47af2823b05c9a1e9b4d4f8f945436f5c840ed2705556ac172e8ad1044fd0cd3c11267a5ab222e03a237a8df9607e88fb4a15831c1f13e76c14743e2d3b

  • SSDEEP

    768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJ1r7NP8fVBaaGlVBadx/NO/g1G7wfEN6:JxqjQ+P04wsmJC4VYroadx/ag1ow74I

Malware Config

Signatures

  • Detect Neshta payload 2 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_5a190206161d3c9b49e8d3fde0bcdab0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a190206161d3c9b49e8d3fde0bcdab0.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_5a190206161d3c9b49e8d3fde0bcdab0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_5a190206161d3c9b49e8d3fde0bcdab0.exe"
      2⤵
      • Executes dropped EXE
      PID:2076

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_5a190206161d3c9b49e8d3fde0bcdab0.exe

    Filesize

    98KB

    MD5

    448c5a6d2e78c694978b80b3affac4e7

    SHA1

    38de9d4069c4a64fe9c3095904d6ce3229d67dcf

    SHA256

    a3aaa6aec08bc8f074b53e04da0aadc9c63981f7a8deb05e412c73def31855f1

    SHA512

    ed248c844942fe4b05730991f62a1686ab5ed036404ac21af4a07b5e0e9499b435c4a5e39baf41f35f8756f2eb683e7b92451342d71e3e514067464e50954dbe

  • memory/2068-90-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2076-11-0x000007FEF587E000-0x000007FEF587F000-memory.dmp

    Filesize

    4KB

  • memory/2076-12-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2076-13-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2076-15-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2076-87-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

    Filesize

    9.6MB

  • memory/2076-88-0x000007FEF587E000-0x000007FEF587F000-memory.dmp

    Filesize

    4KB