Overview

overview

10

Static

static

10

Multitool.exe

windows7-x64

Multitool.exe

windows10-2004-x64

10

Resubmissions

23-06-2024 14:41

240623-r2sdlsyblm 10

23-06-2024 14:41

240623-r2eshsvbpf 10

23-06-2024 12:35

240623-pseeaathkk 10

Analysis

  • max time kernel
    1045s
  • max time network
    859s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2024 12:35

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General

  • Target

    Multitool.exe

  • Size

    66KB

  • MD5

    0680a239ba405c1935c687ebdf6d4540

  • SHA1

    bf2cc8de357fe1af9888e120e1c139ca2bc77c15

  • SHA256

    10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d

  • SHA512

    09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73

  • SSDEEP

    1536:44Sw2KfDxiZcy2fdbdFSQ37E6vObaKjG:4OL1yGdbdF5ZObPG

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

medical-m.gl.at.ply.gg:28857

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Runtime Broker.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 17 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Multitool.exe
    "C:\Users\Admin\AppData\Local\Temp\Multitool.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Multitool.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3976
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Multitool.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3040
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Runtime Broker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2188
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Runtime Broker.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:648
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Runtime Broker" /tr "C:\ProgramData\Runtime Broker.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2620
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4088
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1072
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4508
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2080
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3248
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4376
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3888
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:784
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1448
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1204
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2292
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:216
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3588
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4896
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3884
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:528
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Runtime Broker.exe
    Filesize

    66KB

    MD5

    0680a239ba405c1935c687ebdf6d4540

    SHA1

    bf2cc8de357fe1af9888e120e1c139ca2bc77c15

    SHA256

    10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d

    SHA512

    09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Runtime Broker.exe.log
    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

    Download Submit

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

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

    Download Submit

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

    944B

    MD5

    2c57fa2888aac298be0736354fe6e0db

    SHA1

    023d99a0b56d848eb9a6c076f25617726d7ef0c5

    SHA256

    04f9ea108f40bb6cc19984993d91e0c4eb02ed3f002ba089bf7bd23d54a76ced

    SHA512

    a214d78d8f4fe3706d456edb89a5989955b0fed56080bcbe432b8345e7ed9032b2c69d295d8e73829595d8529ef0dcaf395b679f92ecb5da51abfeb88ae98369

    Download Submit

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

    944B

    MD5

    b7189719e6df2c3dfc76197ec3f31f7a

    SHA1

    effd91412deadc87cc10ef76cdecc1e0b54b6d41

    SHA256

    1c72fa37d078b92c7e900b2e3d17c43c34d936a696a8ddf6c519f4a80308b892

    SHA512

    2df1f1d45844da7ffb17cdfb411f223e9c614c00f5cf7eb5ba92bf7ba174875af2a515371208286c95c0479c934ae2c6a83dfc0b54380be89db1eddd19faf978

    Download Submit

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

    944B

    MD5

    fe892fa3db7b940f45a56ef6830b6d58

    SHA1

    1dacb5171a3e10c7f0c4d8a74d490f4c2b9d01ff

    SHA256

    8a37b985636c72cefba87724d6cb31e0290f1be0363c3d8757c1184c3c394930

    SHA512

    d0b2a66a4f6fd184674b8786b8a112b7a40fbb6f45ee3227c6d6e76a17767d0ec5622643c717f2b2e7b3abcbd2c20f82e2a868d00e7a467e60e2ec2f728d0117

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n50ck5kf.c2e.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • memory/2948-1-0x0000000000D40000-0x0000000000D56000-memory.dmp

    Filesize

    88KB

    Download

  • memory/2948-2-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2948-0-0x00007FF8010B3000-0x00007FF8010B5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2948-57-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3976-4-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3976-18-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3976-14-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3976-15-0x0000028FA0770000-0x0000028FA0792000-memory.dmp

    Filesize

    136KB

    Download

  • memory/3976-3-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB

    Download