xworm | 958fad06d7a3222f377c0ec1dfa2a963e41eb0d2bb768950876c8831d24bd7db

General

Target

Laby_Mod_4Create (1).exe
Size

40KB
MD5

bc12497d94a3a03c3b835d41a09b9350
SHA1

ad3f730f25983d29d7ff0c0afe4cb11d4cfbeff6
SHA256

958fad06d7a3222f377c0ec1dfa2a963e41eb0d2bb768950876c8831d24bd7db
SHA512

ae0555898934d0f8a7672f749c58a53fdd0c8660b3c8493700e1c6889ec627dd15e03194e3f671bbdfe2855819317e5b4a9fc76591d87420b6f755727079d385
SSDEEP

768:X+H9bH85XCU50ZayDmx5i+BJF5Pt9OYwSV6BOMhD3/9F:Xs+XbkaFmYFD99DV6BOMVz

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:23386

cameras-happen.gl.at.ply.gg:23386

Mutex

ti8HEr9Q0ojM1Z4M

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2260-1-0x0000000000EE0000-0x0000000000EF0000-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

4548 powershell.exe
1152 powershell.exe
3592 powershell.exe
1004 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:

Laby_Mod_4Create (1).exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	Laby_Mod_4Create (1).exe

Drops startup file 2 IoCs

Processes:

Laby_Mod_4Create (1).exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	Laby_Mod_4Create (1).exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	Laby_Mod_4Create (1).exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Laby_Mod_4Create (1).exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	Laby_Mod_4Create (1).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

17 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
17	ip-api.com

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeLaby_Mod_4Create (1).exe

pid	process
4548	powershell.exe
4548	powershell.exe
1152	powershell.exe
1152	powershell.exe
1152	powershell.exe
3592	powershell.exe
3592	powershell.exe
3592	powershell.exe
1004	powershell.exe
1004	powershell.exe
1004	powershell.exe
2260	Laby_Mod_4Create (1).exe
2260	Laby_Mod_4Create (1).exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Laby_Mod_4Create (1).exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2260	Laby_Mod_4Create (1).exe
Token: SeDebugPrivilege	4548	powershell.exe
Token: SeDebugPrivilege	1152	powershell.exe
Token: SeDebugPrivilege	3592	powershell.exe
Token: SeDebugPrivilege	1004	powershell.exe
Token: SeDebugPrivilege	2260	Laby_Mod_4Create (1).exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Laby_Mod_4Create (1).exe

pid process

2260 Laby_Mod_4Create (1).exe

pid	process
2260	Laby_Mod_4Create (1).exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Laby_Mod_4Create (1).exe

description	pid	process	target process
PID 2260 wrote to memory of 4548	2260	Laby_Mod_4Create (1).exe	powershell.exe
PID 2260 wrote to memory of 4548	2260	Laby_Mod_4Create (1).exe	powershell.exe
PID 2260 wrote to memory of 1152	2260	Laby_Mod_4Create (1).exe	powershell.exe
PID 2260 wrote to memory of 1152	2260	Laby_Mod_4Create (1).exe	powershell.exe
PID 2260 wrote to memory of 3592	2260	Laby_Mod_4Create (1).exe	powershell.exe
PID 2260 wrote to memory of 3592	2260	Laby_Mod_4Create (1).exe	powershell.exe
PID 2260 wrote to memory of 1004	2260	Laby_Mod_4Create (1).exe	powershell.exe
PID 2260 wrote to memory of 1004	2260	Laby_Mod_4Create (1).exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\Laby_Mod_4Create (1).exe
"C:\Users\Admin\AppData\Local\Temp\Laby_Mod_4Create (1).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:2260

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\Laby_Mod_4Create (1).exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4548

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Laby_Mod_4Create (1).exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152

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\XClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3592

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1004

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=4472 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:4764

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

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\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
110b59ca4d00786d0bde151d21865049

SHA1
557e730d93fdf944a0cad874022df1895fb5b2e2

SHA256
77f69011c214ea5a01fd2035d781914c4893aee66d784deadc22179eadfdf77f

SHA512
cb55ac6eca50f4427718bace861679c88b2fdfea94d30209e8d61ca73a6ce9f8c4b5334922d2660a829b0636d20cbdf3bae1497c920e604efe6c636019feb10e

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

MD5
ec66606831e595ea115f35d1b61b7105

SHA1
f22d025450dc8dafd9b434b2eb31cb876bcb8109

SHA256
4f17fe98ecf3ea9ec9873ff0a3acdd6ca93eb17e280a01ff6cfeca4422019dec

SHA512
f2922870f0b34b5cd8a75ce3aa94362a43997a752b0e8e9001f63d650225bf15415a75ce8aa333e4d3554a52ca5d40eec7b15ce67e3ee20441cf2680de59ed5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_150iozoo.b3j.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1152-33-0x0000019DFBC20000-0x0000019DFBD8A000-memory.dmp

Filesize
1.4MB

Download
memory/2260-1-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

Filesize
64KB

Download
memory/2260-2-0x00007FFD84570000-0x00007FFD85031000-memory.dmp

Filesize
10.8MB

Download
memory/2260-61-0x00007FFD84570000-0x00007FFD85031000-memory.dmp

Filesize
10.8MB

Download
memory/2260-0-0x00007FFD84573000-0x00007FFD84575000-memory.dmp

Filesize
8KB

Download
memory/2260-45-0x00007FFD84573000-0x00007FFD84575000-memory.dmp

Filesize
8KB

Download
memory/4548-4-0x00007FFD84570000-0x00007FFD85031000-memory.dmp

Filesize
10.8MB

Download
memory/4548-20-0x00007FFD84570000-0x00007FFD85031000-memory.dmp

Filesize
10.8MB

Download
memory/4548-17-0x00007FFD84570000-0x00007FFD85031000-memory.dmp

Filesize
10.8MB

Download
memory/4548-16-0x00007FFD84570000-0x00007FFD85031000-memory.dmp

Filesize
10.8MB

Download
memory/4548-15-0x00007FFD84570000-0x00007FFD85031000-memory.dmp

Filesize
10.8MB

Download
memory/4548-14-0x00007FFD84570000-0x00007FFD85031000-memory.dmp

Filesize
10.8MB

Download
memory/4548-3-0x000002123B250000-0x000002123B272000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads