Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 06:53

General

  • Target

    JaffaCakes118_635aa36edab42d3cca2626baa1a9cd70.exe

  • Size

    205KB

  • MD5

    635aa36edab42d3cca2626baa1a9cd70

  • SHA1

    8f50fcf2faa4367202d0e3833c1d8739443fccea

  • SHA256

    a3d3089061d342a6106ce9dbae75225894f65051171146b31a004fc7fdaab7fe

  • SHA512

    ccc95f5e2464dad35d999ad81d54860ef886b2ac08d32874744a956586ff85cbc62c84be6e88a1db9f13ad4228c7bc453871712f60a8a5565eaa29fc3a00f228

  • SSDEEP

    3072:sr85CQhKq0qugPO6sxMOZhfxm6sxMOZhfxP:k9Qdxa9ab

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_635aa36edab42d3cca2626baa1a9cd70.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_635aa36edab42d3cca2626baa1a9cd70.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:2092
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_635aa36edab42d3cca2626baa1a9cd70.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_635aa36edab42d3cca2626baa1a9cd70.exe"
      2⤵
      • Executes dropped EXE
      PID:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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_635aa36edab42d3cca2626baa1a9cd70.exe

    Filesize

    164KB

    MD5

    f32d9d4286a24cbea0efef92e2d92989

    SHA1

    f2b604e02c55025f32129e8ab93a19ae969bd19c

    SHA256

    ec653c0b71068e744b0bcf110bcf0dfea1f3583564c7f35135b68266c985c4ab

    SHA512

    1b97000ce0dead4148b526238e5f170174d9ffde386fe6791254ef3bd2f4ba34f593c66f085848423df96077110da121f70d1d0f79d3276493c69b5ebf352a63

  • memory/2092-15-0x0000000030000000-0x0000000030020000-memory.dmp

    Filesize

    128KB

  • memory/2092-14-0x0000000030000000-0x0000000030020000-memory.dmp

    Filesize

    128KB

  • memory/2092-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2092-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3064-16-0x0000000030000000-0x0000000030020000-memory.dmp

    Filesize

    128KB