Analysis

  • max time kernel
    145s
  • max time network
    147s
  • 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 07:11

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 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.

  • 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 2 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 12 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3536
    • 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:4000
      • 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:2628
      • 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:4156
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NDvhFxac" /XML "C:\Users\Admin\AppData\Local\Temp\tmp99A0.tmp"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1068
      • 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:2328
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3320
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
          PID:1592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      514ed2bdb697c0ff48c28df1104cb754

      SHA1

      05821fa198e1c9d73532e98f47654989491915b7

      SHA256

      365360887aa4088e3bcd6b2e7b97751ae865b902cdeed8e60b5542f9c882a96b

      SHA512

      07da0e0ee5f16c2dca1783f76c4e8967d9e750c9fc9ebb81ba42139f4711293536aaba5bcc09e78596b0e242fc5e2b3bf598a005bd533777439eeb35b1cee8b3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dz1d2j2s.ztf.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp99A0.tmp

      Filesize

      1KB

      MD5

      e1e3d953cb5e575763ad8f2e5b5ec131

      SHA1

      5e777a254112ae099c038cac50e257561f7492bc

      SHA256

      71a49414c1f86206b9f2999129d6e255f30e2fbf3090de7886894d4263929f3a

      SHA512

      fa3ee564d00b77dbed16ae9ce37067ab86024576daa46979df8a185aa4687a7e69d93e44f2796d06cf9748441827eb56b22b61558f45073349187ddd80cfa771

    • memory/2328-45-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2628-77-0x0000000007890000-0x0000000007926000-memory.dmp

      Filesize

      600KB

    • memory/2628-19-0x0000000005490000-0x0000000005AB8000-memory.dmp

      Filesize

      6.2MB

    • memory/2628-81-0x0000000007950000-0x000000000796A000-memory.dmp

      Filesize

      104KB

    • memory/2628-80-0x0000000007850000-0x0000000007864000-memory.dmp

      Filesize

      80KB

    • memory/2628-78-0x0000000007810000-0x0000000007821000-memory.dmp

      Filesize

      68KB

    • memory/2628-31-0x0000000005CD0000-0x0000000005D36000-memory.dmp

      Filesize

      408KB

    • memory/2628-64-0x0000000075B90000-0x0000000075BDC000-memory.dmp

      Filesize

      304KB

    • memory/2628-27-0x0000000005BB0000-0x0000000005C16000-memory.dmp

      Filesize

      408KB

    • memory/2628-17-0x0000000004D50000-0x0000000004D86000-memory.dmp

      Filesize

      216KB

    • memory/2628-18-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2628-88-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2628-20-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/2628-21-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3320-90-0x0000000000490000-0x0000000000497000-memory.dmp

      Filesize

      28KB

    • memory/3320-91-0x0000000000920000-0x000000000094F000-memory.dmp

      Filesize

      188KB

    • memory/3536-94-0x00000000077E0000-0x00000000078D5000-memory.dmp

      Filesize

      980KB

    • memory/4000-12-0x0000000006830000-0x00000000068CC000-memory.dmp

      Filesize

      624KB

    • memory/4000-10-0x0000000006550000-0x000000000655E000-memory.dmp

      Filesize

      56KB

    • memory/4000-1-0x0000000000540000-0x00000000005F0000-memory.dmp

      Filesize

      704KB

    • memory/4000-47-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4000-0-0x000000007530E000-0x000000007530F000-memory.dmp

      Filesize

      4KB

    • memory/4000-2-0x0000000005630000-0x0000000005BD4000-memory.dmp

      Filesize

      5.6MB

    • memory/4000-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

      Filesize

      584KB

    • memory/4000-4-0x0000000005180000-0x000000000518A000-memory.dmp

      Filesize

      40KB

    • memory/4000-5-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4000-6-0x0000000005220000-0x0000000005574000-memory.dmp

      Filesize

      3.3MB

    • memory/4000-7-0x0000000005D00000-0x0000000005D12000-memory.dmp

      Filesize

      72KB

    • memory/4000-11-0x0000000006570000-0x00000000065E6000-memory.dmp

      Filesize

      472KB

    • memory/4000-8-0x0000000006C10000-0x0000000006C32000-memory.dmp

      Filesize

      136KB

    • memory/4000-9-0x0000000006D90000-0x0000000006DAA000-memory.dmp

      Filesize

      104KB

    • memory/4156-62-0x0000000006DD0000-0x0000000006DEE000-memory.dmp

      Filesize

      120KB

    • memory/4156-51-0x0000000006DF0000-0x0000000006E22000-memory.dmp

      Filesize

      200KB

    • memory/4156-75-0x0000000007B40000-0x0000000007B5A000-memory.dmp

      Filesize

      104KB

    • memory/4156-79-0x0000000007D70000-0x0000000007D7E000-memory.dmp

      Filesize

      56KB

    • memory/4156-74-0x0000000008190000-0x000000000880A000-memory.dmp

      Filesize

      6.5MB

    • memory/4156-63-0x00000000079F0000-0x0000000007A93000-memory.dmp

      Filesize

      652KB

    • memory/4156-82-0x0000000007E60000-0x0000000007E68000-memory.dmp

      Filesize

      32KB

    • memory/4156-76-0x0000000007BB0000-0x0000000007BBA000-memory.dmp

      Filesize

      40KB

    • memory/4156-52-0x0000000075B90000-0x0000000075BDC000-memory.dmp

      Filesize

      304KB

    • memory/4156-22-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4156-89-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4156-50-0x0000000006850000-0x000000000689C000-memory.dmp

      Filesize

      304KB

    • memory/4156-49-0x0000000006830000-0x000000000684E000-memory.dmp

      Filesize

      120KB

    • memory/4156-23-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB