Overview

overview

10

Static

static

10

555.exe

windows7-x64

10

555.exe

windows10-2004-x64

Analysis

  • max time kernel
    64s
  • max time network
    65s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 05:06

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    555.exe

  • Size

    73KB

  • MD5

    a419ffb32ad6422938129688d39a898f

  • SHA1

    303695e2f43566685c568ca670133b0d717eabcf

  • SHA256

    96d7f2474c300d7f24cd2635f03d52fe40964a030787d9e84dd1fedbb5618691

  • SHA512

    6a145de4ee6d26b1ee8be5cc22f7888291b8544ea8323f425da8ecfafdf79d961164ddd3c3eaf5a5d7abaa6208e5539c2ea8d2685440e81c6eea2248f8552e9f

  • SSDEEP

    1536:v2oktWbR7i2wiOXObYzDVSUbLUSsr36xOwGZtadQAa:v2ocs7iaOebHUbLGcOwGCdfa

Score
10/10
xwormbootkitdiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

house-jungle.gl.at.ply.gg:14868

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • 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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

    discovery
  • Modifies data under HKEY_USERS 15 IoCs
  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 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\555.exe
    "C:\Users\Admin\AppData\Local\Temp\555.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:3184
    • 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\555.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1340
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '555.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:208
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\Bar2lecb'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2080
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Bar2lecb'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3908
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Bar2lecb" /tr "C:\Users\Admin\Bar2lecb"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3192
    • C:\Users\Admin\AppData\Local\Temp\zmmqjv.exe
      "C:\Users\Admin\AppData\Local\Temp\zmmqjv.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Adds Run key to start application
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2884
  • C:\Users\Admin\Bar2lecb
    C:\Users\Admin\Bar2lecb
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3644
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Suspicious use of AdjustPrivilegeToken
    PID:2616
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa38dd055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

  • 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

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

    Download Submit

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

    944B

    MD5

    15dde0683cd1ca19785d7262f554ba93

    SHA1

    d039c577e438546d10ac64837b05da480d06bf69

    SHA256

    d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

    SHA512

    57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

    Download Submit

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

    944B

    MD5

    caae66b2d6030f85188e48e4ea3a9fa6

    SHA1

    108425bd97144fa0f92ff7b2109fec293d14a461

    SHA256

    a6c642eaf80247e9682be60ab5ae9ece4d042af56013d164d8047b6fd1aefa1d

    SHA512

    189119a2390e51a49ea0fb8ad1427279cc2bf85f220f3212957c50b33387623b42ab7736fb5a717757b5c4b99c570e7ed2e5e6a578424aafb5c126cdf129ea15

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rlibyz5f.sqt.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\zmmqjv.exe
    Filesize

    436KB

    MD5

    a9d32c2ea6c4957e4bfef9fb0dabd8d8

    SHA1

    5dac99e3da8846602382c57a3fc24ccc4613ea20

    SHA256

    d167d7de10c0a15976d2877b5ce0bae62f1c9825e07880c58a1a3e01d2126144

    SHA512

    b88f6707dda39ea2c509e6ae050339c054648fa0dd5d5385b53bb75f7f3a3feacdf69f580796701d7cc45e779456da4205f466352779ab0a0616581c7615b31e

    Download Submit

  • C:\Users\Admin\Bar2lecb
    Filesize

    73KB

    MD5

    a419ffb32ad6422938129688d39a898f

    SHA1

    303695e2f43566685c568ca670133b0d717eabcf

    SHA256

    96d7f2474c300d7f24cd2635f03d52fe40964a030787d9e84dd1fedbb5618691

    SHA512

    6a145de4ee6d26b1ee8be5cc22f7888291b8544ea8323f425da8ecfafdf79d961164ddd3c3eaf5a5d7abaa6208e5539c2ea8d2685440e81c6eea2248f8552e9f

    Download Submit

  • memory/1340-18-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1340-14-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1340-13-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1340-8-0x000001D15CA70000-0x000001D15CA92000-memory.dmp

    Filesize

    136KB

    Download

  • memory/1340-15-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2884-69-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

    Download

  • memory/2884-72-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

    Download

  • memory/3184-2-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3184-0-0x00007FF98C823000-0x00007FF98C825000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3184-1-0x0000000000B50000-0x0000000000B68000-memory.dmp

    Filesize

    96KB

    Download

  • memory/3184-57-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3184-71-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3184-43-0x00007FF98C823000-0x00007FF98C825000-memory.dmp

    Filesize

    8KB

    Download