Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 14:22

General

  • Target

    f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe

  • Size

    40KB

  • MD5

    f4651f138dd3720f287895a407db4eef

  • SHA1

    5feafa3d28f1d03ccf03966cdc17e797deaab40d

  • SHA256

    c350bbc423784704e9595afacf7cb7f0470f4c49acf37e630606ee5c73449a0a

  • SHA512

    f9ef354c2235293d9e95a827086c43f263ecb24f517368ee3c0acfa175c70783a6db23294c99099ba81bd4c6df56b2b1cfccb57e796badaa7990f201b2cbe858

  • SSDEEP

    768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGTWikRyykwlQ:GY9jw/dUT62rGdiUOWWrC6P6TL

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Upatre family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f4651f138dd3720f287895a407db4eef_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    Filesize

    41KB

    MD5

    32a31305d8f7daad52ab5a12e86d0c2e

    SHA1

    2aa311a3c5ed94b2cf12fbea1dd90aa04fd712d7

    SHA256

    57c43c201b710b9b0f911a29b90c3bb2a622a02fb1428aff76df93bc4f5af8f3

    SHA512

    6847436b57031fc3e2a4120532364094cdac177d65d11e2a28bd6e822e97ee9d20c06f5dbf586d04afb6c621707b5e390fd9a2fdaa7ae3ad9d0a5d91d803c814

  • memory/2520-0-0x0000000000570000-0x0000000000571000-memory.dmp

    Filesize

    4KB

  • memory/2520-9-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4776-10-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB