Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 06:25

General

  • Target

    JaffaCakes118_6ac439bab522fb6682dbce95e3da3d70.exe

  • Size

    112KB

  • MD5

    6ac439bab522fb6682dbce95e3da3d70

  • SHA1

    8aa070aeddb99d9a9aecbcfd51a7d670685e7ec7

  • SHA256

    e44c0ed0d15f77e05c12b8e043f521572ad0710b70bffdb22b227b4b540eab57

  • SHA512

    7530212d0a31279194dc3d5bac72b8b8ae164e3489ca2e318a6cdba53d14412a733718798047accdb7cb3f100dc29e2fec0f4295a9f80f294f892a690265655d

  • SSDEEP

    1536:JxqjQ+P04wsmJCHRqEp+85LQyiAKf77+031ru/qpap4qUqm+rI6:sr85Cxb+aLQs+Wo1/op4qUqfrI6

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 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 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_6ac439bab522fb6682dbce95e3da3d70.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac439bab522fb6682dbce95e3da3d70.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:2372
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6ac439bab522fb6682dbce95e3da3d70.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6ac439bab522fb6682dbce95e3da3d70.exe"
      2⤵
      • Executes dropped EXE
      PID:1512

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_6ac439bab522fb6682dbce95e3da3d70.exe

    Filesize

    71KB

    MD5

    6a85de8f51e6e94fa84518bd23586c62

    SHA1

    41409402d8cb5567f83b644eb3c23cb1c75b0f65

    SHA256

    3bf951353843d5afe78b8b3bcfae5c979d6c64073019467d08ecfc636455e495

    SHA512

    a00d3c0d982c937ce3448a694132522c979581411452b6aee71844915830a477dbb665eb9c96f8c628dde961c417d45e2692e6f7f544fe489cbcb8581e8100c0

  • memory/2372-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2372-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB