Analysis

  • max time kernel
    94s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 14:40

General

  • Target

    da1e2b1e058691ca583201401aeb7347_JaffaCakes118.exe

  • Size

    926KB

  • MD5

    da1e2b1e058691ca583201401aeb7347

  • SHA1

    50d4655dc22914393bd2b0aeb1855748d3f541dd

  • SHA256

    03e5bebad534a6061452af4f7b266bf214e8ad97f6d51d683378360f1351da30

  • SHA512

    c6e5d1e1a297ce52c6aed0c3f5fdd85440a283718668bd7e7d1240a0c05dcb6c3169af93a6510823948dd3263a4be81ea539a59a4bb0f84ad2eb8b6bcdc668fd

  • SSDEEP

    12288:l95TtEG4QkBZAVmMxrw9XybwhdkbXt0KzxALmhfg564V5H4nnUgmEy/7+WpDoYKD:lGJvMxrwrcXt01t

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e7hf

Decoy

miaozhunjingzhijia.com

mindplayva.com

vbetturkey.com

panevnyk.space

philiprankinemarketing.com

rosascleaningpros.com

nadersadek.info

2of237woodlandstreet.com

thegroomingdrs.com

cloudtrending.com

viajenscomcafe.com

medkomp.online

hohlola.com

ksremy.com

watermarkwpb.com

work4villageinn.com

pollmag.com

organizingbypaty.com

awakenwithrochelle.com

walcottstreetdental.site

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da1e2b1e058691ca583201401aeb7347_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\da1e2b1e058691ca583201401aeb7347_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nPonmWGbGkoW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F2B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3704
    • C:\Users\Admin\AppData\Local\Temp\da1e2b1e058691ca583201401aeb7347_JaffaCakes118.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1F2B.tmp

    Filesize

    1KB

    MD5

    8dda14b30afec75d98d5c47ba59bd6b6

    SHA1

    af27cd49989d7888fb5664fd6eb38991e4b1d932

    SHA256

    6199c79ef777cc1aa56bf98682ee02d9f69175ad367e178d4b5b8f9b5f38c1d5

    SHA512

    1f7b5b5ee04cb62bc1ef8f3ad35c6073f51bd434093b8bf28596995641c557f58602757e3b5df3f55549b6c48e7866dad3fd25917281d11d92d63d8a9604db37

  • memory/624-4-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/624-9-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/624-3-0x0000000007E80000-0x0000000007F12000-memory.dmp

    Filesize

    584KB

  • memory/624-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

    Filesize

    4KB

  • memory/624-5-0x0000000003250000-0x000000000325A000-memory.dmp

    Filesize

    40KB

  • memory/624-6-0x0000000005A60000-0x0000000005A68000-memory.dmp

    Filesize

    32KB

  • memory/624-2-0x0000000008390000-0x0000000008934000-memory.dmp

    Filesize

    5.6MB

  • memory/624-8-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

    Filesize

    4KB

  • memory/624-7-0x0000000005B10000-0x0000000005BAC000-memory.dmp

    Filesize

    624KB

  • memory/624-10-0x0000000005FC0000-0x000000000604E000-memory.dmp

    Filesize

    568KB

  • memory/624-11-0x0000000005890000-0x00000000058CE000-memory.dmp

    Filesize

    248KB

  • memory/624-1-0x0000000000EC0000-0x0000000000FAE000-memory.dmp

    Filesize

    952KB

  • memory/624-17-0x0000000074EC0000-0x0000000075670000-memory.dmp

    Filesize

    7.7MB

  • memory/4356-15-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4356-18-0x0000000001420000-0x000000000176A000-memory.dmp

    Filesize

    3.3MB