Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02-09-2024 14:19

General

  • Target

    Bootstrapper.exe

  • Size

    104KB

  • MD5

    7776882352548456cfc6f9827572d724

  • SHA1

    22785b7dac19933527255ef7a96fb331f7a455a5

  • SHA256

    6a850e209de722ad4f57dd68f8af405d62ad6557772717bbd86052d1fe43910f

  • SHA512

    9d0cdc083f75bf524484c231a69e5179bdcc6a6b4ab845ede88aa9ef0f336b0d3d67e90752c545272958f82d8f4fdd1293bd070bd56a3cadaa252d2b53e864e2

  • SSDEEP

    3072:CugCCyYwC+M2FE6CyYwC+M2FEa80IZOAr:CtChY7X2K6hY7X2Kah

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 3 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1056
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 2744
      2⤵
      • Program crash
      PID:5080
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -Command "Add-MpPreference -ExclusionPath 'C:\Resourse'"
    1⤵
    • Process spawned unexpected child process
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2004
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\Desktop'"
    1⤵
    • Process spawned unexpected child process
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3004
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
    1⤵
    • Process spawned unexpected child process
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3676
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1056 -ip 1056
    1⤵
      PID:2484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2KB

      MD5

      627073ee3ca9676911bee35548eff2b8

      SHA1

      4c4b68c65e2cab9864b51167d710aa29ebdcff2e

      SHA256

      85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

      SHA512

      3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

      Filesize

      944B

      MD5

      1a9fa92a4f2e2ec9e244d43a6a4f8fb9

      SHA1

      9910190edfaccece1dfcc1d92e357772f5dae8f7

      SHA256

      0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

      SHA512

      5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i30fkcnr.y44.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1056-10-0x000000000B330000-0x000000000B8D6000-memory.dmp

      Filesize

      5.6MB

    • memory/1056-2-0x0000000075030000-0x00000000757E1000-memory.dmp

      Filesize

      7.7MB

    • memory/1056-5-0x0000000009930000-0x0000000009968000-memory.dmp

      Filesize

      224KB

    • memory/1056-6-0x0000000009900000-0x000000000990E000-memory.dmp

      Filesize

      56KB

    • memory/1056-7-0x000000007503E000-0x000000007503F000-memory.dmp

      Filesize

      4KB

    • memory/1056-8-0x0000000075030000-0x00000000757E1000-memory.dmp

      Filesize

      7.7MB

    • memory/1056-9-0x0000000075030000-0x00000000757E1000-memory.dmp

      Filesize

      7.7MB

    • memory/1056-0-0x000000007503E000-0x000000007503F000-memory.dmp

      Filesize

      4KB

    • memory/1056-11-0x000000000ADF0000-0x000000000AE56000-memory.dmp

      Filesize

      408KB

    • memory/1056-4-0x00000000099B0000-0x00000000099B8000-memory.dmp

      Filesize

      32KB

    • memory/1056-3-0x0000000075030000-0x00000000757E1000-memory.dmp

      Filesize

      7.7MB

    • memory/1056-48-0x0000000075030000-0x00000000757E1000-memory.dmp

      Filesize

      7.7MB

    • memory/1056-1-0x0000000000810000-0x000000000082E000-memory.dmp

      Filesize

      120KB

    • memory/2004-12-0x00007FFB2E313000-0x00007FFB2E315000-memory.dmp

      Filesize

      8KB

    • memory/2004-39-0x00007FFB2E310000-0x00007FFB2EDD2000-memory.dmp

      Filesize

      10.8MB

    • memory/2004-38-0x00007FFB2E310000-0x00007FFB2EDD2000-memory.dmp

      Filesize

      10.8MB

    • memory/2004-47-0x00007FFB2E310000-0x00007FFB2EDD2000-memory.dmp

      Filesize

      10.8MB

    • memory/2004-23-0x0000029663F10000-0x0000029663F32000-memory.dmp

      Filesize

      136KB