Analysis

  • max time kernel
    146s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-07-2024 07:16

General

  • Target

    MalwareBazaar.exe

  • Size

    677KB

  • MD5

    6c63cd4270013e1d03abde4d6acf18fe

  • SHA1

    70a81b1b6d7b773d48e6293d23cb7858d69d4a7b

  • SHA256

    94f29a8158717b4c268b41e8eb72bc7301f2d4578dc41a06deabe79ff8e767dd

  • SHA512

    e05335e284dc5941fe678f24307ea08d5a5a12ce769cc1be1541cc544f3eac99970f6757e0dd93b687569f165e4bb022965be87fc3041095d718abd9f904d0d8

  • SSDEEP

    12288:BJbDWx2PQf9YGtFgiscZBpOf9DtMu461PxlWGsxthsQYG:BFawMZ/g0p0su163HyQYG

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h209

Decoy

sbtstuff.site

omlyes.com

movershifting.com

gearballer.com

oketoto.pro

myringleader.com

lrcjc750s.xyz

ata2024.xyz

password-manager-89409.bond

aiassistanthub.net

changvolt.cfd

netino.site

wear-wale.com

omnipresenceagency.com

huangguan.ooo

propersonnelmedia.com

9332952.com

k3s.support

ciytrw.xyz

cb095.pro

Signatures

  • Formbook

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

  • 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.

  • Deletes itself 1 IoCs
  • 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 30 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1180
    • 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:2300
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\emFutmUjEJiXFv.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2332
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\emFutmUjEJiXFv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF364.tmp"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:584
      • 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:2768
    • C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
        • Deletes itself
        PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF364.tmp

    Filesize

    1KB

    MD5

    2809f077ae30f9173401c6452be8aeca

    SHA1

    73989777b0826f86501b346856b86479488fb997

    SHA256

    ee8b580df4d2377344f645197db824e0b84c8a798f649379bd735c3cef57e525

    SHA512

    cad822b2f59d82f81a9e9808734bf326249cc183292717148c8b64660cf97394699acaff6b384c737dfe4f015c12d034b11b1f0b87335044ea13ae0f74c80a84

  • memory/2300-3-0x00000000002E0000-0x00000000002FA000-memory.dmp

    Filesize

    104KB

  • memory/2300-2-0x0000000074370000-0x0000000074A5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2300-0-0x000000007437E000-0x000000007437F000-memory.dmp

    Filesize

    4KB

  • memory/2300-4-0x00000000004B0000-0x00000000004BE000-memory.dmp

    Filesize

    56KB

  • memory/2300-5-0x0000000004CD0000-0x0000000004D46000-memory.dmp

    Filesize

    472KB

  • memory/2300-1-0x0000000000AA0000-0x0000000000B4E000-memory.dmp

    Filesize

    696KB

  • memory/2300-20-0x0000000074370000-0x0000000074A5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2768-18-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2768-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2768-15-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2768-13-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3036-21-0x0000000000F00000-0x0000000000FF4000-memory.dmp

    Filesize

    976KB

  • memory/3036-22-0x0000000000080000-0x00000000000AF000-memory.dmp

    Filesize

    188KB