Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    18-07-2024 06:20

General

  • Target

    MalwareBazaar.exe

  • Size

    691KB

  • MD5

    47a2a7a19ce5697f30aec774d5b7f9b7

  • SHA1

    dfa50083c7dd8caabdf1abf9a72cee128c32fe3c

  • SHA256

    f8a6d38a7a548a8621059aaaa87265c7c8d164b0f8eac7f6c0f7e4ec201de4a2

  • SHA512

    59c08155dce6e69a1d0abb43f0df5711f5dc40707f88e8dd12660092710f142d8b8a2fbf2c19b4f2deb7c637245914038f25bb586ce9e53b9ed6eb62fb072feb

  • SSDEEP

    12288:baODWx2PQfDxCP5M90yYgo2HckARGXHn4tOBPb5np2Fna1u4HkR:bxawMDIGiIJ0GXHnaONnp8n2S

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dk07

Decoy

reclam.xyz

parchmentmediaadd.com

gaolibai.site

menage-exclusif.com

ceremoniesbyjade.com

5663876.com

take3.xyz

environmentaladvocacygroup.com

fp38z.rest

elektro-vlasic.com

bollybytestv.com

udfunsd.cloud

studiomiraiarq.com

e-commercebrasil.shop

sansiddhiedu.com

draaronroughan.net

24angel.com

rjh-equestrian.com

22db3rgdg6a73pea7.vip

mintygreen-wellnessportal.com

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 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 31 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:852
      • 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\MalwareBazaar.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2788
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NDvhFxac.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:584
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NDvhFxac" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B8.tmp"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2668
      • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
        "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2520
    • C:\Windows\SysWOW64\wuapp.exe
      "C:\Windows\SysWOW64\wuapp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
        • Deletes itself
        PID:1448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8B8.tmp

    Filesize

    1KB

    MD5

    bb00c0621750558259d35c7661232d68

    SHA1

    1f5c3b541e60354c0a12fa26ad6fbbce904c7e4e

    SHA256

    749da1017a12ec684c96e10226f7b8a5d29723c4d7781e8e7ad6e394feb569bb

    SHA512

    052baee61322d314ce2ba1d8d5f5ed2a2b19a40a35b3baa364fd0ead85e77003b521b012085fff51fbdf00fdd48f831575293ca2b98ad8e5c23c14d80ee542fa

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\5YMRJ9QPQD0EFZK95GS6.temp

    Filesize

    7KB

    MD5

    9bd6894a5769bf653b28b9366d365758

    SHA1

    79bcb117ce2d859601232f773a81a35f6fdf381e

    SHA256

    96b77083b606d9dad131ae6fbd5d9c0c0b7cb5e99a4d69724c42ff26fdd9d393

    SHA512

    fe5da0d3888fea3e243617af21b7978671de9873e622d7eff10dd29181a9e6cb6fb4819456b4ac4c41a1510d5071a04d4d25b973a3cf832b1cd836dc6437e0c9

  • memory/852-24-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/852-4-0x0000000000390000-0x000000000039E000-memory.dmp

    Filesize

    56KB

  • memory/852-5-0x0000000002020000-0x0000000002096000-memory.dmp

    Filesize

    472KB

  • memory/852-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/852-1-0x00000000002B0000-0x0000000000360000-memory.dmp

    Filesize

    704KB

  • memory/852-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

    Filesize

    4KB

  • memory/852-3-0x0000000000360000-0x000000000037A000-memory.dmp

    Filesize

    104KB

  • memory/1256-26-0x0000000000010000-0x0000000000020000-memory.dmp

    Filesize

    64KB

  • memory/1256-28-0x00000000076C0000-0x0000000007866000-memory.dmp

    Filesize

    1.6MB

  • memory/1664-30-0x0000000000090000-0x00000000000BF000-memory.dmp

    Filesize

    188KB

  • memory/1664-29-0x0000000000D10000-0x0000000000D1B000-memory.dmp

    Filesize

    44KB

  • memory/2520-23-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2520-27-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2520-18-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2520-20-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2520-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB