Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-04-2024 12:03

General

  • Target

    8c0ee1047417c73e05ff20905963357e_JaffaCakes118.exe

  • Size

    830KB

  • MD5

    8c0ee1047417c73e05ff20905963357e

  • SHA1

    4870480c602168a6b0d5572810ca7289107df0d9

  • SHA256

    6d6ed63e357100a38b5bb4f4a256be07e34960bf25dbf0cc7d8f6b66e06d2df3

  • SHA512

    7005b8ffcb3837deb0f4e238ae60d8037c83e12d4b3e911efaba6d414e6c52deeef4cf2b8bf26bec2e720edd870ba2d4570a6ad92ce40db0037efac2b0c4c41e

  • SSDEEP

    24576:TLnGQYTq2UThCPIrkZZAF4tDc0eYOsUjzR:fxYT9/AkHAOtPWsazR

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cb2k

Decoy

prets-personnels-faciles-1.com

lavandica.com

855goldenpark.com

ebrandschool.com

annielaineinspirations.com

tuscumbiadivorceattorney.com

lovarebanwgt74.xyz

car-plus.info

fireloops.net

psychtechsolutions.com

didubreak.com

cursodesigndesobrancelhas.com

berrymyrick.com

visit-croatia-now.com

chamonix-cars.club

1679tnpnd01uzznpvfu8795.com

noisedelayrecovery.com

sergiotimoteo.com

lplc.cloud

ppezjo.com

Signatures

  • Formbook

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

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c0ee1047417c73e05ff20905963357e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8c0ee1047417c73e05ff20905963357e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LyTtZRlfdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB93E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3764
    • C:\Users\Admin\AppData\Local\Temp\8c0ee1047417c73e05ff20905963357e_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:2892
      • C:\Users\Admin\AppData\Local\Temp\8c0ee1047417c73e05ff20905963357e_JaffaCakes118.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1552

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpB93E.tmp

      Filesize

      1KB

      MD5

      5a560e66047871247de8af1279e74c2e

      SHA1

      d31a5bd508a8fe936a4f5972c91ba694b4ba239c

      SHA256

      4826ee7b9725ad506329816580219aeae4bdf869c354111d11430ea964e71dde

      SHA512

      fb7cce92cf6959d6729ab04c0f79d638a2385f09547247ca75d59bbbdd9e6ec0f8a20f8e73dfd64ebdcb3c6fc2d965ac294f615b00701a92737beef4b0df0b44

    • memory/1552-20-0x0000000001A30000-0x0000000001D7A000-memory.dmp

      Filesize

      3.3MB

    • memory/1552-19-0x0000000001A30000-0x0000000001D7A000-memory.dmp

      Filesize

      3.3MB

    • memory/1552-16-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1988-8-0x0000000005210000-0x0000000005224000-memory.dmp

      Filesize

      80KB

    • memory/1988-11-0x00000000061B0000-0x0000000006238000-memory.dmp

      Filesize

      544KB

    • memory/1988-5-0x00000000050B0000-0x00000000050C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-7-0x0000000005050000-0x00000000050A6000-memory.dmp

      Filesize

      344KB

    • memory/1988-1-0x0000000074630000-0x0000000074DE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-9-0x0000000074630000-0x0000000074DE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-10-0x00000000050B0000-0x00000000050C0000-memory.dmp

      Filesize

      64KB

    • memory/1988-6-0x0000000004E10000-0x0000000004E1A000-memory.dmp

      Filesize

      40KB

    • memory/1988-12-0x0000000009F80000-0x0000000009FB4000-memory.dmp

      Filesize

      208KB

    • memory/1988-4-0x0000000004E60000-0x0000000004EF2000-memory.dmp

      Filesize

      584KB

    • memory/1988-3-0x0000000005370000-0x0000000005914000-memory.dmp

      Filesize

      5.6MB

    • memory/1988-18-0x0000000074630000-0x0000000074DE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-2-0x0000000004D20000-0x0000000004DBC000-memory.dmp

      Filesize

      624KB

    • memory/1988-0-0x00000000002D0000-0x00000000003A6000-memory.dmp

      Filesize

      856KB