Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c0ee1047417c73e05ff20905963357e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8c0ee1047417c73e05ff20905963357e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LyTtZRlfdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6E7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2688
    • C:\Users\Admin\AppData\Local\Temp\8c0ee1047417c73e05ff20905963357e_JaffaCakes118.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC6E7.tmp

    Filesize

    1KB

    MD5

    104838440e89532dcfafabcf31400a63

    SHA1

    f843fbc4fc17a082802c23e93b65069a2f0366f0

    SHA256

    9e35bfee45baf8b4698b2140326a4ba5c51b25b29340b90b5cac9b376830a921

    SHA512

    3c6da5cc8b90da07c36de0c5676a44f616863ce794129dd285c7cdb4f1bb255b4c0e8657a86d71ffcb2da643b46ec285691940617dfd2466d780df30cd60b703

  • memory/2172-6-0x0000000000700000-0x0000000000734000-memory.dmp

    Filesize

    208KB

  • memory/2172-2-0x0000000004D60000-0x0000000004DA0000-memory.dmp

    Filesize

    256KB

  • memory/2172-3-0x0000000000310000-0x0000000000324000-memory.dmp

    Filesize

    80KB

  • memory/2172-4-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-5-0x0000000004C70000-0x0000000004CF8000-memory.dmp

    Filesize

    544KB

  • memory/2172-0-0x0000000000860000-0x0000000000936000-memory.dmp

    Filesize

    856KB

  • memory/2172-1-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-15-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/2568-10-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2568-11-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2568-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2568-14-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2568-16-0x0000000000C10000-0x0000000000F13000-memory.dmp

    Filesize

    3.0MB