Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2024 06:06

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 4 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.

  • 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).

  • Modifies registry class 3 IoCs
  • 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 60 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4520
      • 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:3256
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\emFutmUjEJiXFv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEADD.tmp"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2956
      • 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:2748
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3756
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
          PID:1544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gwmttc50.biz.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      1KB

      MD5

      b184d6ee4ce96ce033eead0ff15196ec

      SHA1

      a44b2244cb7d33bfeabbd26403f06e2c0b947676

      SHA256

      40b88b589a0a4e85e8364eadfbb4c1e843d7ff17607069699a3b93231928f8bd

      SHA512

      440f87d2a5073695d33f4e5b739ae266abaac0a03cdfd292e737616d7ae06241848d27184bac6eba0a102e15608834ec5f117aa4dae9b285ce210ce5a2744fc4

    • memory/2748-28-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2748-29-0x00000000015D0000-0x00000000015E5000-memory.dmp

      Filesize

      84KB

    • memory/2748-26-0x0000000001BD0000-0x0000000001F1A000-memory.dmp

      Filesize

      3.3MB

    • memory/2748-22-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/3256-30-0x0000000005E70000-0x0000000005ED6000-memory.dmp

      Filesize

      408KB

    • memory/3256-23-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3256-47-0x0000000070DE0000-0x0000000070E2C000-memory.dmp

      Filesize

      304KB

    • memory/3256-74-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3256-71-0x0000000007C60000-0x0000000007C68000-memory.dmp

      Filesize

      32KB

    • memory/3256-70-0x0000000007C80000-0x0000000007C9A000-memory.dmp

      Filesize

      104KB

    • memory/3256-69-0x0000000007B80000-0x0000000007B94000-memory.dmp

      Filesize

      80KB

    • memory/3256-17-0x0000000002D00000-0x0000000002D36000-memory.dmp

      Filesize

      216KB

    • memory/3256-18-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3256-19-0x00000000057D0000-0x0000000005DF8000-memory.dmp

      Filesize

      6.2MB

    • memory/3256-68-0x0000000007B70000-0x0000000007B7E000-memory.dmp

      Filesize

      56KB

    • memory/3256-21-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3256-67-0x0000000007B40000-0x0000000007B51000-memory.dmp

      Filesize

      68KB

    • memory/3256-57-0x0000000005190000-0x00000000051A0000-memory.dmp

      Filesize

      64KB

    • memory/3256-66-0x0000000007BC0000-0x0000000007C56000-memory.dmp

      Filesize

      600KB

    • memory/3256-65-0x00000000079B0000-0x00000000079BA000-memory.dmp

      Filesize

      40KB

    • memory/3256-61-0x0000000007940000-0x000000000795A000-memory.dmp

      Filesize

      104KB

    • memory/3256-60-0x0000000007F80000-0x00000000085FA000-memory.dmp

      Filesize

      6.5MB

    • memory/3256-31-0x0000000005EE0000-0x0000000005F46000-memory.dmp

      Filesize

      408KB

    • memory/3256-38-0x0000000005FD0000-0x0000000006324000-memory.dmp

      Filesize

      3.3MB

    • memory/3256-46-0x00000000077C0000-0x00000000077F2000-memory.dmp

      Filesize

      200KB

    • memory/3256-59-0x0000000007800000-0x00000000078A3000-memory.dmp

      Filesize

      652KB

    • memory/3256-58-0x0000000006BC0000-0x0000000006BDE000-memory.dmp

      Filesize

      120KB

    • memory/3256-43-0x00000000065F0000-0x000000000660E000-memory.dmp

      Filesize

      120KB

    • memory/3256-44-0x0000000006620000-0x000000000666C000-memory.dmp

      Filesize

      304KB

    • memory/3256-45-0x000000007F9D0000-0x000000007F9E0000-memory.dmp

      Filesize

      64KB

    • memory/3456-37-0x0000000004110000-0x000000000420E000-memory.dmp

      Filesize

      1016KB

    • memory/3456-78-0x00000000077E0000-0x0000000007899000-memory.dmp

      Filesize

      740KB

    • memory/3756-64-0x0000000000B50000-0x0000000000B7F000-memory.dmp

      Filesize

      188KB

    • memory/3756-63-0x0000000001050000-0x000000000106E000-memory.dmp

      Filesize

      120KB

    • memory/3756-75-0x0000000000B50000-0x0000000000B7F000-memory.dmp

      Filesize

      188KB

    • memory/3756-62-0x0000000001050000-0x000000000106E000-memory.dmp

      Filesize

      120KB

    • memory/4520-4-0x0000000004D20000-0x0000000004D2A000-memory.dmp

      Filesize

      40KB

    • memory/4520-6-0x0000000005650000-0x00000000059A4000-memory.dmp

      Filesize

      3.3MB

    • memory/4520-7-0x0000000006740000-0x0000000006752000-memory.dmp

      Filesize

      72KB

    • memory/4520-1-0x00000000000D0000-0x000000000017E000-memory.dmp

      Filesize

      696KB

    • memory/4520-3-0x0000000004B90000-0x0000000004C22000-memory.dmp

      Filesize

      584KB

    • memory/4520-25-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4520-5-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4520-2-0x00000000050A0000-0x0000000005644000-memory.dmp

      Filesize

      5.6MB

    • memory/4520-12-0x0000000006390000-0x000000000642C000-memory.dmp

      Filesize

      624KB

    • memory/4520-11-0x00000000060D0000-0x0000000006146000-memory.dmp

      Filesize

      472KB

    • memory/4520-10-0x00000000060B0000-0x00000000060BE000-memory.dmp

      Filesize

      56KB

    • memory/4520-9-0x0000000006910000-0x000000000692A000-memory.dmp

      Filesize

      104KB

    • memory/4520-0-0x000000007452E000-0x000000007452F000-memory.dmp

      Filesize

      4KB

    • memory/4520-8-0x0000000006790000-0x00000000067B2000-memory.dmp

      Filesize

      136KB