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Overview

overview

10

Static

static

10

cmd.exe

windows7-x64

10

cmd.exe

windows10-2004-x64

10

Resubmissions

23/06/2024, 13:04

240623-qa43navflj 10

23/06/2024, 12:33

240623-prgg9atgqm 10

Analysis

  • max time kernel
    1047s
  • max time network
    1047s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/06/2024, 13:04

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General

  • Target

    cmd.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\cmd.exe
    "C:\Users\Admin\AppData\Local\Temp\cmd.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:3876
    • 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\cmd.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4800
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'cmd.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2352
    • 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:4956
    • 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:4292
    • 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:3680
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2844
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2588
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:372
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2980
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1036
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1380
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3636
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3908
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3920
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2844
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3484
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1016
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3768
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3684
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4524
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4152
  • C:\ProgramData\Runtime Broker.exe
    "C:\ProgramData\Runtime Broker.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4928

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

    e448fe0d240184c6597a31d3be2ced58

    SHA1

    372b8d8c19246d3e38cd3ba123cc0f56070f03cd

    SHA256

    c660f0db85a1e7f0f68db19868979bf50bd541531babf77a701e1b1ce5e6a391

    SHA512

    0b7f7eae7700d32b18eee3677cb7f89b46ace717fa7e6b501d6c47d54f15dff7e12b49f5a7d36a6ffe4c16165c7d55162db4f3621db545b6af638035752beab4

    Download Submit

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

    944B

    MD5

    0093819c829dd30c13746f256efba97f

    SHA1

    f095cbb1d10a54a91d7d341c4098d44973d3ec50

    SHA256

    5f936c252c9ed7d08d4a73b86230d9877173b44c36544f0b24eae3eb38617401

    SHA512

    72aac852de41473494d2263aa44dbabfb1f318f8a21ebdfe080c4a98b9288db07e9641a935d9a640b5e879f28a0560cae53bd4191ac94d315b87746e57e69af2

    Download Submit

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

    944B

    MD5

    40ab79d6c729366491090e2efcc5005a

    SHA1

    3b3cee1f4dfaaee2835ddee5c814a92b614eb3c3

    SHA256

    aa04b5231b6db0e6d4533b7ca6f569cc59337fe509e7f63927b924db914ae83e

    SHA512

    12cfde5b8be04232984f3119e4d4a4379e387eec236cdf9623cee5fd330c517adc5c3b9e3ba67a13be7c190210c44da4f5db884a8bf7737fd010666ba6b12d03

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xu2rxjml.erc.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • memory/3876-0-0x00007FFCCD2C3000-0x00007FFCCD2C5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3876-2-0x00007FFCCD2C0000-0x00007FFCCDD81000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3876-1-0x0000000000490000-0x00000000004A6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3876-60-0x00007FFCCD2C0000-0x00007FFCCDD81000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3876-59-0x00007FFCCD2C3000-0x00007FFCCD2C5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3876-57-0x000000001B120000-0x000000001B15B000-memory.dmp

    Filesize

    236KB

    Download

  • memory/4800-3-0x00000284A70A0000-0x00000284A70C2000-memory.dmp

    Filesize

    136KB

    Download

  • memory/4800-18-0x00007FFCCD2C0000-0x00007FFCCDD81000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4800-15-0x00007FFCCD2C0000-0x00007FFCCDD81000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4800-14-0x00007FFCCD2C0000-0x00007FFCCDD81000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4800-9-0x00007FFCCD2C0000-0x00007FFCCDD81000-memory.dmp

    Filesize

    10.8MB

    Download