Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 03:01

General

  • Target

    JaffaCakes118_279fc7ee5b4118c9970538a46ba3ad09.exe

  • Size

    302KB

  • MD5

    279fc7ee5b4118c9970538a46ba3ad09

  • SHA1

    096e7ee44101d37e6b668e9bbc4b69ae4ff226a1

  • SHA256

    c4f5547f04583a256c5d50beb051e822d710ab0b28395dc11964b00d3139d3ba

  • SHA512

    1392205fbd7e1d6807244979c7f9987848af3966bba9d2ffdb0b379df1ed7f9d2b0081d668288c0456739514909e1ddc9033a35b94cde893a3e6cb5222c5575f

  • SSDEEP

    6144:FullwUNaIZr/Bw29OVxB5tL2TuSABirWe7teDzKqfUui4FBtYY:PZkyMNAsYfUMFwY

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
  • 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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_279fc7ee5b4118c9970538a46ba3ad09.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_279fc7ee5b4118c9970538a46ba3ad09.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:2952
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_279fc7ee5b4118c9970538a46ba3ad09.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_279fc7ee5b4118c9970538a46ba3ad09.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2056

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

    3ca71899df3040619e4d0e484dccc5bf

    SHA1

    5029d9719b090d75b513780bb7cd8c75c12b90a0

    SHA256

    472e66ffcbdf1aee600cedffe2110b0662699b2d32e1eb160f0bf9919b221644

    SHA512

    6a463a2e64bef77112508c5a22f14761255ef5592870c6566a242c944f25d50510e38688bf9b33d73fe9532bd85424bf82d147af21129cbd5083a4bb09683a9f

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_279fc7ee5b4118c9970538a46ba3ad09.exe

    Filesize

    262KB

    MD5

    a0c0cce2993d8fee4f1e5dab696a10c0

    SHA1

    4cd99d9bcfa66f76c73bab4f03145b983edd9243

    SHA256

    dd320e61b46cf2045fdef5ddedc6a47571c9456e8b683c184642db2480702147

    SHA512

    290a3a351d3b6bf194cade42fba676c1282e08966d1fd8dc8e6c5507dbafaff6f224b72c93a083183a39ce19eafa63746c14a6a92cbd781776c6cb3ad36989ed

  • memory/2056-10-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2952-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2952-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2952-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB