Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    05-08-2024 07:22

General

  • Target

    MalwareBazaar.exe

  • Size

    656KB

  • MD5

    dae6a17dd50c76b58fb2c7d980e801d9

  • SHA1

    8b1fce08ff057639bd4eb7ebd6231417569b6494

  • SHA256

    60bc892c0d2392091394c2ba22701447e399860c4b8d9a0dee014db3da78b1a6

  • SHA512

    9453a2389c54b524adfeee11bf90284168b2fff30c7c962fe48cdc3e7e1c893dfc45a64107067900440834be95f0cf02e83c7c7a8c2e673a2d73ef311f6bda04

  • SSDEEP

    12288:2M23a/zmcDXmxqPbKwII+foXlIHdHfQJkE1ij7qObjjTCYT59Whpehsh9kR:2V3aakXenBmSokE1ivcGshhg

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

md02

Decoy

onsen1508.com

partymaxclubmen36.click

texasshelvingwarehouse.com

tiantiying.com

taxcredits-pr.com

33mgbet.com

equipoleiremnacional.com

andrewghita.com

zbbnp.xyz

englandbreaking.com

a1b5v.xyz

vizamag.com

h0lg3.rest

ux-design-courses-17184.bond

of84.top

qqkartel88v1.com

avalynkate.com

cpuk-finance.com

yeslabs.xyz

webuyandsellpa.com

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 2 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 6 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 33 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2448
      • 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
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2216
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BGELwANFeozDW.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2712
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BGELwANFeozDW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5DE9.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2376
      • 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:2524
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.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:2112
      • 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:2492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5DE9.tmp

    Filesize

    1KB

    MD5

    8684cc97919f86e3dc4027b9c4ff6915

    SHA1

    2719b1c6900b2aa5f0aefc478b200cc4a1642f1b

    SHA256

    a9aa277d1afd037752899b5d0689d539fd069f9b9029fe30531dfb061d8f8ab4

    SHA512

    41e4762cd5942fb01654a2d9d402d08d19c9789c1d28e05420c22083cda76dfce6025aaf732fe4532d6c26a655107058f80a878d0de72c83b300ba77803da2d1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    09e0a7533c587b8c9009aba9b6a98447

    SHA1

    9a46df39c05187b3a956bec3c0f32b2d8d1a0cfb

    SHA256

    2d2c933bf46cafa95cb68006f6363c32a0cbfeb6b6cf309d7a9704a52068a6e7

    SHA512

    e1f1343bc50416822764a90535f5e88a4fdc4b7d94d2c9e7cd4bdba6bde5e8f44853d3272284a9323711dfe8aa6fa91d7623117b456a1e49bf30c10492d70126

  • memory/1300-32-0x0000000007130000-0x0000000007289000-memory.dmp

    Filesize

    1.3MB

  • memory/1300-27-0x0000000003D50000-0x0000000003F50000-memory.dmp

    Filesize

    2.0MB

  • memory/2112-29-0x00000000000B0000-0x00000000000DF000-memory.dmp

    Filesize

    188KB

  • memory/2112-28-0x0000000000F30000-0x0000000000F52000-memory.dmp

    Filesize

    136KB

  • memory/2448-4-0x0000000000440000-0x000000000044E000-memory.dmp

    Filesize

    56KB

  • memory/2448-6-0x0000000004500000-0x0000000004576000-memory.dmp

    Filesize

    472KB

  • memory/2448-5-0x0000000000450000-0x0000000000466000-memory.dmp

    Filesize

    88KB

  • memory/2448-25-0x00000000746D0000-0x0000000074DBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2448-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

    Filesize

    4KB

  • memory/2448-3-0x0000000000420000-0x0000000000438000-memory.dmp

    Filesize

    96KB

  • memory/2448-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2448-1-0x0000000000370000-0x0000000000418000-memory.dmp

    Filesize

    672KB

  • memory/2524-24-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2524-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2524-21-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2524-19-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB