xworm | 7bdd0af1bd40c6f7267a83218a882962067867e1a65a84e3ff1198f21b5a8baf

General

Target

WizClient.exe
Size

58KB
MD5

6f262adee7c149b7346d2d85087541dd
SHA1

dcd1a1c19b41af259946654bf3b17bf4cf6d3466
SHA256

55c9dc86e15768f647ca1f042c8786dee53387125f2f26e87c2ff0ebb42eb5e8
SHA512

e6e85b2fb893a7769519719c05c0ec2b58687e87bc9af1e564628aca3ceec3aef8092955e889ac687aef7f250bd937a4442c2153252a0aceee1b8daa7ceefbdb
SSDEEP

768:CCOMxIfihdiL3JqbaxDxmh7pXb3B/zbLWpE7jZpIp6BUORZh+n7e1KZ9:TmfquO7pXzpzbLWpE7jHIp6BUORZUy4

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

programme-garden.gl.at.ply.gg:42957

Attributes

Install_directory
%ProgramData%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/5024-0-0x0000000000E80000-0x0000000000E94000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
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.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2324 powershell.exe
4964 powershell.exe
5060 powershell.exe

pid	process
2324	powershell.exe
4964	powershell.exe
5060	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WizClient.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	WizClient.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

WizClient.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WizClient = "C:\\ProgramData\\WizClient.exe"	WizClient.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

704 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid process

2324 powershell.exe
2324 powershell.exe
4964 powershell.exe
4964 powershell.exe
5060 powershell.exe
5060 powershell.exe

pid	process
704	schtasks.exe

pid	process
2324	powershell.exe
2324	powershell.exe
4964	powershell.exe
4964	powershell.exe
5060	powershell.exe
5060	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

WizClient.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	5024	WizClient.exe
Token: SeDebugPrivilege	2324	powershell.exe
Token: SeDebugPrivilege	4964	powershell.exe
Token: SeDebugPrivilege	5060	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WizClient.exe

description	pid	process	target process
PID 5024 wrote to memory of 2324	5024	WizClient.exe	powershell.exe
PID 5024 wrote to memory of 2324	5024	WizClient.exe	powershell.exe
PID 5024 wrote to memory of 4964	5024	WizClient.exe	powershell.exe
PID 5024 wrote to memory of 4964	5024	WizClient.exe	powershell.exe
PID 5024 wrote to memory of 5060	5024	WizClient.exe	powershell.exe
PID 5024 wrote to memory of 5060	5024	WizClient.exe	powershell.exe
PID 5024 wrote to memory of 704	5024	WizClient.exe	schtasks.exe
PID 5024 wrote to memory of 704	5024	WizClient.exe	schtasks.exe

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

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\WizClient.exe
"C:\Users\Admin\AppData\Local\Temp\WizClient.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5024

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\WizClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2324

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WizClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4964

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\WizClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5060

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WizClient" /tr "C:\ProgramData\WizClient.exe"
2⤵
- Creates scheduled task(s)
PID:704

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

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
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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\Temp\__PSScriptPolicyTest_alh5rlnc.vwm.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2324-7-0x000001B1C1980000-0x000001B1C19A2000-memory.dmp

Filesize
136KB

Download
memory/2324-12-0x00007FF9F8C00000-0x00007FF9F96C1000-memory.dmp

Filesize
10.8MB

Download
memory/2324-13-0x00007FF9F8C00000-0x00007FF9F96C1000-memory.dmp

Filesize
10.8MB

Download
memory/2324-14-0x00007FF9F8C00000-0x00007FF9F96C1000-memory.dmp

Filesize
10.8MB

Download
memory/2324-17-0x00007FF9F8C00000-0x00007FF9F96C1000-memory.dmp

Filesize
10.8MB

Download
memory/5024-0-0x0000000000E80000-0x0000000000E94000-memory.dmp

Filesize
80KB

Download
memory/5024-1-0x00007FF9F8C03000-0x00007FF9F8C05000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads