Analysis

  • max time kernel
    146s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-01-2025 14:19

General

  • Target

    890983726372673.exe

  • Size

    722KB

  • MD5

    0c883414fcda149f14bfe37c2bd9fc79

  • SHA1

    cf99ca86cfac68a7414ce261bdbc04263de1ee77

  • SHA256

    2040a0fdd0eddf11176cddce8489b0906e9bb6ed39b2c825f883e26a3309db57

  • SHA512

    2cdce3e4094cd4c72d3f4618fdcbaac2548bbddb4b4471d7f3838817913574a8b63b890be5a1ed8ce0a244fe24114d6cc25004dcd6be8ae62c0703b7e1815067

  • SSDEEP

    12288:ZSihRSUunB2fP+rnhBR44lSQ5XUIT7sLzm1BHS/YlJ/GOX89rUU0+KlQlNLn:0xnumz1UITez4BlR7XQ59KaHLn

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

subur88wap.sbs

tyai1.top

skillbeast.site

kcclassiccars.net

lghomes.net

eijanno.cyou

work-in-usa-60100.bond

268chill.store

bharatwin.biz

cakjitu01.xyz

misafert.xyz

hiretemp.net

lvekz-onearmed.top

amanda-manopo.info

seo-companies22.online

casinowalletth.net

maynrson.monster

bewizi.com

thedronetechhub.shop

car-insurance-93947.bond

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 2 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.

  • 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 5 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 31 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:1208
    • C:\Users\Admin\AppData\Local\Temp\890983726372673.exe
      "C:\Users\Admin\AppData\Local\Temp\890983726372673.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mZanCtInfW.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2904
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mZanCtInfW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp980B.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2580
      • 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:2588
    • C:\Windows\SysWOW64\cmmon32.exe
      "C:\Windows\SysWOW64\cmmon32.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:2572
      • 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:2252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp980B.tmp

    Filesize

    1KB

    MD5

    4c7e5f828746b2361c38d45ce3d974b9

    SHA1

    2ed8d56246ccb133a4583770d0c669b6a13790a3

    SHA256

    2373080571cf742793fef076890bb6433d32c7ff90c19ca1b3e6fe85dec092a6

    SHA512

    19c152ded83ba618b643c69b8b92e9d57f67e1a6ed474e1ec7d1356c504aeb1b41e1555315ef8f37df4a6fcb32ff40f2759257e6e6cfd311b98930bc83139199

  • memory/1208-22-0x0000000005110000-0x0000000005210000-memory.dmp

    Filesize

    1024KB

  • memory/2572-24-0x0000000000080000-0x00000000000AF000-memory.dmp

    Filesize

    188KB

  • memory/2572-23-0x0000000000510000-0x000000000051D000-memory.dmp

    Filesize

    52KB

  • memory/2588-12-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2588-14-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2588-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2588-17-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2736-4-0x000000007475E000-0x000000007475F000-memory.dmp

    Filesize

    4KB

  • memory/2736-6-0x0000000000470000-0x00000000004E8000-memory.dmp

    Filesize

    480KB

  • memory/2736-5-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2736-0-0x000000007475E000-0x000000007475F000-memory.dmp

    Filesize

    4KB

  • memory/2736-20-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2736-3-0x0000000000650000-0x0000000000676000-memory.dmp

    Filesize

    152KB

  • memory/2736-2-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2736-1-0x0000000000860000-0x000000000091C000-memory.dmp

    Filesize

    752KB