Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 15:48

General

  • Target

    3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe

  • Size

    906KB

  • MD5

    3dfdc72a69e464e2fe5a9dc15d0f872c

  • SHA1

    9cdb47a1b52762d9a94be067d0542c1e1fb7ee91

  • SHA256

    d9d91e187b55cc521e8d3c79ac49d8bdd771a5626c2d39a7d788c97234248a19

  • SHA512

    d7567c0a206fdbc0776632b7d675ad9079a75160296848b20de04f39ff472129603f818129b48a3e76e7bd57a141dfec215eb77bba530102e1c247f75f003f4f

  • SSDEEP

    12288:23RDRcAqZi970Oz6hGEM7CT3GddRdiKityWfxdXbeASgn16Nf5/ltloLtt1eWYLK:3Z3sS2Pi7X3d6f59G

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

2kf

Decoy

edmondscakes.com

doublewldr.online

tickets2usa.com

heyhxry.com

weightloss-gulfport.com

prosselius.com

newviewroofers.com

jacksonarearealestate.com

catparkas.xyz

pagos2020.com

sonwsefjrahi.online

franchisethings.com

nuocvietngaynay.com

sohelvai.com

mikeyroush.com

lamesaroofing.com

betbigo138.com

amazon-service-recovery.com

clockin.net

riostrader.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).

  • 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\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZvKfYNN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5E0.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4824
    • C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3dfdc72a69e464e2fe5a9dc15d0f872c_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA5E0.tmp

    Filesize

    1KB

    MD5

    9766110cfa6062cac654f6de27c292f5

    SHA1

    9b402115d34f9ba3e878dfe7afac4329676422c1

    SHA256

    d68c1d2c39bfb298865d6a738b6f1aa8aef1946c01ae3b0c2730e2686f8bab07

    SHA512

    73f2895010f64605ace90865b0744e6b47977da572d563663a3997ceff00b7ac357fe7d8dc982d9c1419c3d59bd0f995f734a7b754de475e71ab0303d64922f3

  • memory/988-20-0x0000000001730000-0x0000000001A7A000-memory.dmp

    Filesize

    3.3MB

  • memory/988-17-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1508-4-0x0000000007690000-0x0000000007722000-memory.dmp

    Filesize

    584KB

  • memory/1508-0-0x000000007533E000-0x000000007533F000-memory.dmp

    Filesize

    4KB

  • memory/1508-5-0x0000000002990000-0x000000000299A000-memory.dmp

    Filesize

    40KB

  • memory/1508-6-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1508-7-0x0000000007820000-0x0000000007876000-memory.dmp

    Filesize

    344KB

  • memory/1508-8-0x0000000007680000-0x000000000768A000-memory.dmp

    Filesize

    40KB

  • memory/1508-9-0x000000007533E000-0x000000007533F000-memory.dmp

    Filesize

    4KB

  • memory/1508-10-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1508-11-0x0000000000EC0000-0x0000000000F2A000-memory.dmp

    Filesize

    424KB

  • memory/1508-3-0x0000000007BA0000-0x0000000008144000-memory.dmp

    Filesize

    5.6MB

  • memory/1508-2-0x0000000007550000-0x00000000075EC000-memory.dmp

    Filesize

    624KB

  • memory/1508-19-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1508-1-0x00000000005F0000-0x00000000006D8000-memory.dmp

    Filesize

    928KB