Analysis

  • max time kernel
    146s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 14:24

General

  • Target

    b8a6bff0de26505a8671135a34c21ff9_JaffaCakes118.exe

  • Size

    739KB

  • MD5

    b8a6bff0de26505a8671135a34c21ff9

  • SHA1

    3da946ce135ebc855d27681a9baffb8204013ab7

  • SHA256

    ca928ee1114c01bf51f11b5200d0da9a823cd35cc4e616ddd3f44ddd3f3fcb56

  • SHA512

    9804648531b9bb9d9e4d3632b0f43dfd5fd5423a12571376900b7801a2b0f0e20be5bbef04ec76d59139f9a1df7dd162d784f63a4caea82746768d25578cbc13

  • SSDEEP

    12288:GtTk4E9YztD96v+vANmnhWvGY6sAL3+GHUKlbCOA0HK7znhyDBljJhqPTqCkUCM5:yYMhWjAryOWlyDJhqPTqXUg2JciMvo+k

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

odse

Decoy

braedlifestyle.com

morganjohnsondesign.online

surup-v48.club

diypoolpaint.sydney

v-b7026-ghhh.space

vetyvar.com

lollydaisy.com

campsitesurvival.com

autocalibre.com

fusiontech3d.com

xn--udkog0cvez259c82sa.xyz

eccentricartist.com

jc-zg.com

wacwin.com

livehealthychoice.com

visijuara.com

phigsa.com

sabayawork.com

afcerd.com

joeyshousesessions.com

Signatures

  • Formbook

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

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

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 45 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Users\Admin\AppData\Local\Temp\b8a6bff0de26505a8671135a34c21ff9_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b8a6bff0de26505a8671135a34c21ff9_JaffaCakes118.exe"
      2⤵
      • 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:4392
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EUZXfzkehwuA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7A4C.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4600
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4660
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7A4C.tmp

    Filesize

    1KB

    MD5

    57aafd7d55471140aaa69feea8a30d70

    SHA1

    ab2f67d4984a675e52217f6e5b52c19fbf8b8a80

    SHA256

    b74704853d3482a763a5a414d5768f213b969d6522a5802c2d4a8904eabf312b

    SHA512

    ef0ccb076198d76bf437c14965dc2040d2536ef7005dbd8b413f311ac00d552c1db02c0fe0d25fdd5a169574271c3c7e5d9ac4e43070468ff68b5170b7556251

  • memory/1708-24-0x0000000000E70000-0x0000000000E84000-memory.dmp

    Filesize

    80KB

  • memory/1708-23-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1708-21-0x00000000013A0000-0x00000000016EA000-memory.dmp

    Filesize

    3.3MB

  • memory/1708-18-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3632-37-0x0000000003F10000-0x0000000003FE3000-memory.dmp

    Filesize

    844KB

  • memory/3632-35-0x0000000003F10000-0x0000000003FE3000-memory.dmp

    Filesize

    844KB

  • memory/3632-34-0x0000000003F10000-0x0000000003FE3000-memory.dmp

    Filesize

    844KB

  • memory/3632-30-0x0000000002730000-0x00000000028A3000-memory.dmp

    Filesize

    1.4MB

  • memory/3632-25-0x0000000002730000-0x00000000028A3000-memory.dmp

    Filesize

    1.4MB

  • memory/4392-6-0x0000000005D70000-0x0000000005DC6000-memory.dmp

    Filesize

    344KB

  • memory/4392-7-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4392-12-0x0000000007740000-0x0000000007774000-memory.dmp

    Filesize

    208KB

  • memory/4392-10-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4392-9-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/4392-20-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/4392-8-0x0000000005F20000-0x0000000005F36000-memory.dmp

    Filesize

    88KB

  • memory/4392-11-0x0000000007660000-0x0000000007704000-memory.dmp

    Filesize

    656KB

  • memory/4392-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/4392-5-0x0000000005AC0000-0x0000000005ACA000-memory.dmp

    Filesize

    40KB

  • memory/4392-1-0x0000000000FC0000-0x000000000107E000-memory.dmp

    Filesize

    760KB

  • memory/4392-2-0x0000000005A00000-0x0000000005A9C000-memory.dmp

    Filesize

    624KB

  • memory/4392-4-0x0000000005BE0000-0x0000000005C72000-memory.dmp

    Filesize

    584KB

  • memory/4392-3-0x00000000060F0000-0x0000000006694000-memory.dmp

    Filesize

    5.6MB

  • memory/4660-29-0x00000000006F0000-0x000000000074A000-memory.dmp

    Filesize

    360KB

  • memory/4660-26-0x00000000006F0000-0x000000000074A000-memory.dmp

    Filesize

    360KB