xworm | e9dad4f37bdc3e80130637b3b5de29bf78e376cb8b8894a27ab4b727d60dff5b

General

Target

svchost.exe
Size

69KB
MD5

3d0f60a06bfead1b3ce9847dbd9ce7e7
SHA1

e79eff9033d46736a876ab3379038a592d8e210f
SHA256

e9dad4f37bdc3e80130637b3b5de29bf78e376cb8b8894a27ab4b727d60dff5b
SHA512

c0eb730f283df54c2f061da019b57879e29b8f5549309d71630fcb541be894d47eab3943d011363dd0a9bd93e07962411454d9e88e6f5d61a4e0babfde62fc08
SSDEEP

768:rOwHIR8aFGww4GZAAjGnlb0fl70xSm9WlYb03o46XeLmsR263Z8O71h80XZBSq:izR845VGaQoHdb03o46uN06OO71Roq

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

inn-ht.gl.at.ply.gg:60031

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3372-1-0x00000000001B0000-0x00000000001C8000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\svchost.exe	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

3272 powershell.exe
3100 powershell.exe
5100 powershell.exe
2440 powershell.exe

pid	process
3272	powershell.exe
3100	powershell.exe
5100	powershell.exe
2440	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:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	svchost.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

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

Executes dropped EXE 3 IoCs

Processes:

svchost.exesvchost.exesvchost.exe

pid process

1116 svchost.exe
3028 svchost.exe
1772 svchost.exe

pid	process
1116	svchost.exe
3028	svchost.exe
1772	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	svchost.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

7 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

1780 schtasks.exe

flow	ioc
7	ip-api.com

pid	process
1780	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exesvchost.exe

pid	process
2440	powershell.exe
2440	powershell.exe
3272	powershell.exe
3272	powershell.exe
3100	powershell.exe
3100	powershell.exe
5100	powershell.exe
5100	powershell.exe
3372	svchost.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

svchost.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	3372	svchost.exe
Token: SeDebugPrivilege	2440	powershell.exe
Token: SeDebugPrivilege	3272	powershell.exe
Token: SeDebugPrivilege	3100	powershell.exe
Token: SeDebugPrivilege	5100	powershell.exe
Token: SeDebugPrivilege	3372	svchost.exe
Token: SeDebugPrivilege	1116	svchost.exe
Token: SeDebugPrivilege	3028	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

3372 svchost.exe

pid	process
3372	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 3372 wrote to memory of 2440	3372	svchost.exe	powershell.exe
PID 3372 wrote to memory of 2440	3372	svchost.exe	powershell.exe
PID 3372 wrote to memory of 3272	3372	svchost.exe	powershell.exe
PID 3372 wrote to memory of 3272	3372	svchost.exe	powershell.exe
PID 3372 wrote to memory of 3100	3372	svchost.exe	powershell.exe
PID 3372 wrote to memory of 3100	3372	svchost.exe	powershell.exe
PID 3372 wrote to memory of 5100	3372	svchost.exe	powershell.exe
PID 3372 wrote to memory of 5100	3372	svchost.exe	powershell.exe
PID 3372 wrote to memory of 1780	3372	svchost.exe	schtasks.exe
PID 3372 wrote to memory of 1780	3372	svchost.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\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.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:3372

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\svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2440

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:3272

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:3100

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:5100

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:1780

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1116

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
1⤵
PID:2224

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3028

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
PID:1772

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

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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\CLR_v4.0\UsageLogs\svchost.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
83685d101174171875b4a603a6c2a35c

SHA1
37be24f7c4525e17fa18dbd004186be3a9209017

SHA256
0c557845aab1da497bbff0e8fbe65cabf4cb2804b97ba8ae8c695a528af70870

SHA512
005a97a8e07b1840abdcef86a7881fd9bdc8acbfdf3eafe1dceb6374060626d81d789e57d87ca4096a39e28d5cca00f8945edff0a747591691ae75873d2b3fb5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
8f659389c6e21eb0c627fbae833500c7

SHA1
ae632f1e4af08587934ff168155b30e2b28d7475

SHA256
a12763453f79453dd8f25f0c90d001ffb5d409ec698491666c9f076c6bc60d8c

SHA512
f4849e0b1d6ab3d4dd054f590a359af8dd1b9d3df2ad78033ad1a59ebafb1ca96aa76fa9061a466d74e8e3266dc882818d79db47908b21ca3ef8be20e427d327

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jsrm5uak.d31.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
69KB

MD5
3d0f60a06bfead1b3ce9847dbd9ce7e7

SHA1
e79eff9033d46736a876ab3379038a592d8e210f

SHA256
e9dad4f37bdc3e80130637b3b5de29bf78e376cb8b8894a27ab4b727d60dff5b

SHA512
c0eb730f283df54c2f061da019b57879e29b8f5549309d71630fcb541be894d47eab3943d011363dd0a9bd93e07962411454d9e88e6f5d61a4e0babfde62fc08

Download Submit
memory/2440-11-0x000001AC74AF0000-0x000001AC74B12000-memory.dmp

Filesize
136KB

Download
memory/2440-18-0x000001AC74E90000-0x000001AC74FDE000-memory.dmp

Filesize
1.3MB

Download
memory/2440-19-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

Filesize
10.8MB

Download
memory/2440-12-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

Filesize
10.8MB

Download
memory/2440-13-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

Filesize
10.8MB

Download
memory/2440-15-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

Filesize
10.8MB

Download
memory/2440-14-0x00007FFC8CBB0000-0x00007FFC8D671000-memory.dmp

Filesize
10.8MB

Download
memory/3100-44-0x00000180FDA70000-0x00000180FDBBE000-memory.dmp

Filesize
1.3MB

Download
memory/3272-32-0x0000026FB7830000-0x0000026FB797E000-memory.dmp

Filesize
1.3MB

Download
memory/3372-0-0x00007FFC8CBB3000-0x00007FFC8CBB5000-memory.dmp

Filesize
8KB

Download
memory/3372-61-0x00007FFC8CBB3000-0x00007FFC8CBB5000-memory.dmp

Filesize
8KB

Download
memory/3372-1-0x00000000001B0000-0x00000000001C8000-memory.dmp

Filesize
96KB

Download
memory/5100-56-0x000001DEBA460000-0x000001DEBA5AE000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads