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Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2025, 08:23

General

  • Target

    JaffaCakes118_57e95002c65e37c937636d6a802ed998.exe

  • Size

    492KB

  • MD5

    57e95002c65e37c937636d6a802ed998

  • SHA1

    347f51fc921f8a64b3134e2e7c6cb4ae35f991f6

  • SHA256

    9d8faf70b5732a7994ea4a5b49e0ee5ada032b0a03e2048de8ffe6da4e66c412

  • SHA512

    5af180e87a11a92345f85834b39eda2beb2843e7b9144b8f61ca69eb98064525b58a459685f612a312ea10ce09c331b28371607c2e9e602cbc5efab1f331413a

  • SSDEEP

    12288:vEKX6VyfIycnMz5VcMGGSwkkB2WdlEalS8z2m7:MUTrlVdGGS428ealS8zD

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook family
  • Formbook payload 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57e95002c65e37c937636d6a802ed998.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57e95002c65e37c937636d6a802ed998.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57e95002c65e37c937636d6a802ed998.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57e95002c65e37c937636d6a802ed998.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsjD164.tmp\xjujmofosc.dll

    Filesize

    19KB

    MD5

    ac0ac6a7d57e4fd3137b57ea17e15178

    SHA1

    36f461a0cbc6a4561b08668c43e461b30dc462b8

    SHA256

    b1d82a6fc8574306088346d467e59094a3ed933de4de3e4f7703664c34a84f82

    SHA512

    31e39ca8118a3161f83c545241be617685992f09353daafbefaa16117b047b2eeb6ef0eb904957d02e93dfbbd46783d7c0d408dad62349f29cff53704e56b280

  • memory/1632-7-0x0000000010005000-0x0000000010007000-memory.dmp

    Filesize

    8KB

  • memory/2532-9-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB