xworm | 668e1915843fce533abb874f9933deb6136103f5f31d09847a1e086fbaa18e9b

General

Target

029acdc2e958ec708b40a237f681ae75.exe
Size

72KB
MD5

029acdc2e958ec708b40a237f681ae75
SHA1

3c1ea5e5639bc18153410208429a87a64075a23c
SHA256

668e1915843fce533abb874f9933deb6136103f5f31d09847a1e086fbaa18e9b
SHA512

96cbe9b27f619831c7d38eb4f8922e53fd3c710af067bb64748aa89de07442b081b7c522dd1da5e659c501e72461b10de1c3883aa19815d9b030843d02c0ceca
SSDEEP

1536:Y0oRipEs7aFqa6XfhIQiMjA/DbO/MoBGM1rujK6gYSOsFbJY:Y0iU7aFqaSRDjKDbO/9N1USOsDY

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

european-ba.gl.at.ply.gg:14522

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1692-1-0x0000000000A90000-0x0000000000AA8000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\svchost.exe	family_xworm
behavioral1/memory/2508-36-0x0000000000DB0000-0x0000000000DC8000-memory.dmp	family_xworm

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

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

2640 powershell.exe
2384 powershell.exe
1300 powershell.exe
2456 powershell.exe

pid	process
2640	powershell.exe
2384	powershell.exe
1300	powershell.exe
2456	powershell.exe

Drops startup file 2 IoCs

Processes:

029acdc2e958ec708b40a237f681ae75.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	029acdc2e958ec708b40a237f681ae75.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	029acdc2e958ec708b40a237f681ae75.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

2508 svchost.exe
1668 svchost.exe

pid	process
2508	svchost.exe
1668	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

029acdc2e958ec708b40a237f681ae75.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	029acdc2e958ec708b40a237f681ae75.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com
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

1328 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe029acdc2e958ec708b40a237f681ae75.exe

pid process

2456 powershell.exe
2640 powershell.exe
2384 powershell.exe
1300 powershell.exe
1692 029acdc2e958ec708b40a237f681ae75.exe

flow	ioc
4	ip-api.com

pid	process
1328	schtasks.exe

pid	process
2456	powershell.exe
2640	powershell.exe
2384	powershell.exe
1300	powershell.exe
1692	029acdc2e958ec708b40a237f681ae75.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

029acdc2e958ec708b40a237f681ae75.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1692	029acdc2e958ec708b40a237f681ae75.exe
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeDebugPrivilege	2640	powershell.exe
Token: SeDebugPrivilege	2384	powershell.exe
Token: SeDebugPrivilege	1300	powershell.exe
Token: SeDebugPrivilege	1692	029acdc2e958ec708b40a237f681ae75.exe
Token: SeDebugPrivilege	2508	svchost.exe
Token: SeDebugPrivilege	1668	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

029acdc2e958ec708b40a237f681ae75.exe

pid process

1692 029acdc2e958ec708b40a237f681ae75.exe

pid	process
1692	029acdc2e958ec708b40a237f681ae75.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

029acdc2e958ec708b40a237f681ae75.exetaskeng.exe

description	pid	process	target process
PID 1692 wrote to memory of 2456	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 2456	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 2456	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 2640	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 2640	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 2640	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 2384	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 2384	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 2384	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 1300	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 1300	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 1300	1692	029acdc2e958ec708b40a237f681ae75.exe	powershell.exe
PID 1692 wrote to memory of 1328	1692	029acdc2e958ec708b40a237f681ae75.exe	schtasks.exe
PID 1692 wrote to memory of 1328	1692	029acdc2e958ec708b40a237f681ae75.exe	schtasks.exe
PID 1692 wrote to memory of 1328	1692	029acdc2e958ec708b40a237f681ae75.exe	schtasks.exe
PID 2400 wrote to memory of 2508	2400	taskeng.exe	svchost.exe
PID 2400 wrote to memory of 2508	2400	taskeng.exe	svchost.exe
PID 2400 wrote to memory of 2508	2400	taskeng.exe	svchost.exe
PID 2400 wrote to memory of 1668	2400	taskeng.exe	svchost.exe
PID 2400 wrote to memory of 1668	2400	taskeng.exe	svchost.exe
PID 2400 wrote to memory of 1668	2400	taskeng.exe	svchost.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\029acdc2e958ec708b40a237f681ae75.exe
"C:\Users\Admin\AppData\Local\Temp\029acdc2e958ec708b40a237f681ae75.exe"
1⤵
- 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:1692

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\029acdc2e958ec708b40a237f681ae75.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2456

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '029acdc2e958ec708b40a237f681ae75.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2640

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\Roaming\svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2384

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1300

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Creates scheduled task(s)
PID:1328

C:\Windows\system32\taskeng.exe
taskeng.exe {D89B5AB5-3D2D-495E-8C20-9BDF9C670FB6} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2400

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2508

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1668

Network

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

System Information Discovery

1

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
eae0cef0d265e443ba9ab3855dc3edf6

SHA1
a568f1f00cc58fd6949774d8c7176b2792b47fc0

SHA256
a1f57553936ade01163056b89dfaedea5c4f4945d2d4469822ed92d291272b5d

SHA512
9e0787e39a480d4aede77c7547d86269f714e87a80d50dd52c20ef0e02d3c1a25eccbbf600cb4705cd0b9c84be47f9e246240db8da225c21941216b3d73075cc

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
72KB

MD5
029acdc2e958ec708b40a237f681ae75

SHA1
3c1ea5e5639bc18153410208429a87a64075a23c

SHA256
668e1915843fce533abb874f9933deb6136103f5f31d09847a1e086fbaa18e9b

SHA512
96cbe9b27f619831c7d38eb4f8922e53fd3c710af067bb64748aa89de07442b081b7c522dd1da5e659c501e72461b10de1c3883aa19815d9b030843d02c0ceca

Download Submit
\??\PIPE\srvsvc
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/1692-1-0x0000000000A90000-0x0000000000AA8000-memory.dmp

Filesize
96KB

Download
memory/1692-2-0x000007FEF5740000-0x000007FEF612C000-memory.dmp

Filesize
9.9MB

Download
memory/1692-0-0x000007FEF5743000-0x000007FEF5744000-memory.dmp

Filesize
4KB

Download
memory/1692-32-0x000007FEF5740000-0x000007FEF612C000-memory.dmp

Filesize
9.9MB

Download
memory/1692-31-0x000007FEF5743000-0x000007FEF5744000-memory.dmp

Filesize
4KB

Download
memory/2456-7-0x000000001B2F0000-0x000000001B5D2000-memory.dmp

Filesize
2.9MB

Download
memory/2456-8-0x0000000001F20000-0x0000000001F28000-memory.dmp

Filesize
32KB

Download
memory/2508-36-0x0000000000DB0000-0x0000000000DC8000-memory.dmp

Filesize
96KB

Download
memory/2640-15-0x0000000001E40000-0x0000000001E48000-memory.dmp

Filesize
32KB

Download
memory/2640-14-0x000000001B330000-0x000000001B612000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads