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Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/01/2025, 23:38

General

  • Target

    JaffaCakes118_75510802638fd6742e1707285d816f08.exe

  • Size

    527KB

  • MD5

    75510802638fd6742e1707285d816f08

  • SHA1

    800fa9c7db7a1ccfb9ad26c38bfb973828783f0e

  • SHA256

    7ad13f3353ceb15b4d751802829c239b0892f40ed4d56a1cda731ed44807f82a

  • SHA512

    dac12524898ce586f3279a571a97d960b5be17bb59d5d71fc3e8fcda1fa71a4a008d74e8502f85eae6211a7d03a54615562b21cdb52c7b0e4edb9f9950b4632e

  • SSDEEP

    12288:tUi2iNKH+n1GTbOz1P9SW3XmxVfTGhhmQc37oYDUCGPU96zC:tUi1w3Ti9lG/kEQcrZDUCGwqC

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gd3e

Decoy

losfesdffewfdskokoka11.xyz

aspenroofingel.net

mlstrategygroup.com

breakaway.asia

gzmx3.com

dronesadvise.com

bitmain.discount

lifestylekenya.com

dragonfly-road.store

rumbaughrecruiting.com

tarimech.com

starmcb.com

xn--kfz-schlsseldienst-t6b.com

eqgiftshop.com

regionsi.com

bonsainer.com

guideofguardians.com

orlv7x.icu

xemnha100.com

thelupinlady.com

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 2 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75510802638fd6742e1707285d816f08.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75510802638fd6742e1707285d816f08.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PfqOSgYmxypQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D06.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1328
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75510802638fd6742e1707285d816f08.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75510802638fd6742e1707285d816f08.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2176-6-0x0000000005260000-0x000000000526E000-memory.dmp

    Filesize

    56KB

  • memory/2176-18-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-2-0x0000000005280000-0x0000000005824000-memory.dmp

    Filesize

    5.6MB

  • memory/2176-3-0x0000000004D80000-0x0000000004E12000-memory.dmp

    Filesize

    584KB

  • memory/2176-4-0x0000000004F50000-0x0000000004F5A000-memory.dmp

    Filesize

    40KB

  • memory/2176-5-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-8-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2176-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

    Filesize

    4KB

  • memory/2176-1-0x0000000000350000-0x00000000003DA000-memory.dmp

    Filesize

    552KB

  • memory/2176-9-0x0000000005B80000-0x0000000005C1C000-memory.dmp

    Filesize

    624KB

  • memory/2176-10-0x0000000005B30000-0x0000000005B88000-memory.dmp

    Filesize

    352KB

  • memory/2176-7-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

    Filesize

    4KB

  • memory/3312-16-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3312-19-0x0000000001540000-0x000000000188A000-memory.dmp

    Filesize

    3.3MB