Analysis

  • max time kernel
    146s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11-07-2024 19:31

General

  • Target

    3a73c9c4a1e78e49f8b0649de5f5f8c5_JaffaCakes118.exe

  • Size

    399KB

  • MD5

    3a73c9c4a1e78e49f8b0649de5f5f8c5

  • SHA1

    7582cffb3f24fb6a15a99a67986d980d90f52d8f

  • SHA256

    2152a980e864940db36cde90c649f66e7c2da15790e97703a28cb378fb7b5ca6

  • SHA512

    1d561abb979d5d0d0e1ccc3b2932842dc0adace7aacc828b6f09531b63b4b2869b11eeb92e3f861fb2e04822be6cbff49e416ea00dc458fa37f2ffc51ee16af9

  • SSDEEP

    6144:UhtI9ERQ+3HwOGy3cyiyQ6AnXrUOGXc97ylrpcQwiCdl5WBI/w9nBrj4+T0:/ESoGFaQ68XrnGXsOluQndBI/w9Bw+Q

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gefn

Decoy

noticiastdf.com

coachc.today

chokeonwords.com

7xqfkg.com

shsnywhs159.com

padison8t.com

biglifeshirts.com

smartlifeplus1.net

shein.shoes

jiankong1234.com

yuedahs.com

gold-dust.xyz

gladway.net

titanpestandwildlife.com

hivetire.net

onycostopsale.com

lovesglamshop.store

theuapmusic.com

ohiomakeupgirls.com

80cq926.top

Signatures

  • Formbook

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

  • Formbook payload 2 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 3 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 25 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\3a73c9c4a1e78e49f8b0649de5f5f8c5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3a73c9c4a1e78e49f8b0649de5f5f8c5_JaffaCakes118.exe"
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Checks BIOS information in registry
      • Maps connected drives based on registry
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3a73c9c4a1e78e49f8b0649de5f5f8c5_JaffaCakes118.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2868
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mTjykhvEFtZD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4154.tmp"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2880
      • 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:2556
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1384
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:2424

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1384-23-0x0000000000090000-0x00000000000BF000-memory.dmp

      Filesize

      188KB

    • memory/1384-22-0x0000000000040000-0x0000000000048000-memory.dmp

      Filesize

      32KB

    • memory/2556-14-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2556-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2556-19-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2556-16-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2896-3-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2896-6-0x0000000005630000-0x0000000005688000-memory.dmp

      Filesize

      352KB

    • memory/2896-5-0x0000000074CE0000-0x00000000753CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2896-4-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

      Filesize

      4KB

    • memory/2896-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

      Filesize

      4KB

    • memory/2896-20-0x0000000074CE0000-0x00000000753CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2896-2-0x0000000074CE0000-0x00000000753CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2896-1-0x0000000000A70000-0x0000000000ADA000-memory.dmp

      Filesize

      424KB