Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-02-2025 10:16

General

  • Target

    JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe

  • Size

    576KB

  • MD5

    da5593648eca0f7fbe0f214387525505

  • SHA1

    26a3e3f4931e48c8eda2e4e3a7c8bba52aa97632

  • SHA256

    f68988b26b3dd81ac50ef3887a5d5294fba69893db9dd718338971f1deef2230

  • SHA512

    41079a4bf38b9d51e4bd0686568a2078d74dc2cd42a123424f65dcf171f3058db8c140d94869f6aa09e0ac72d564edce1512b6774d6d3d5a56656a76b88278aa

  • SSDEEP

    12288:xbF74eB5xz+SRJ4ctKAmxUi4H2ZJqQT2ZJqQf:l54eB3z+SRJ4ctoxMH2ec2eE

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
  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe"
    1⤵
    • Checks computer location settings
    • 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:4032
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4068
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTY3NzA0NTQwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:3612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_da5593648eca0f7fbe0f214387525505.exe

    Filesize

    536KB

    MD5

    3fca9ea09c7006aa225847a85a6ee0cf

    SHA1

    282de0e7c31f3f041609be13a30da6972389cdaf

    SHA256

    74a5f522daa2a52e3b9a8e7761312a094128079474f3ccd7192a3be0f33ed47e

    SHA512

    546ee6db5c081bf2fda6421c80f2d120f1941b58f3c1be256a4022394f85f046b5f9b2ec215f026c141185b138a227a34e2c858bd4cf9bba81781b3d14386de9

  • memory/4032-122-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4032-125-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4032-127-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4032-130-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4068-123-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB