xworm | 8ad9a17fffa07b434efcb5f370e7f25211361bd1628fb85781e3435eeeaa1e65

General

Target

LabyMod4Crt.exe
Size

72KB
MD5

8f7d60c2274007ad4220bfa4e313bf35
SHA1

a0a9733f053f92840dc7077cc38519ed4b112751
SHA256

8ad9a17fffa07b434efcb5f370e7f25211361bd1628fb85781e3435eeeaa1e65
SHA512

6c3d06efde57b9ba96a12d5a187490b2fcceb80df886fd16b4cc9fda49f0d6ad6a34a72341cd944c639bbf093daf2204d358f5823787455f1044aabef5b6d170
SSDEEP

1536:w0kvuKMq3o1RchBWJWVE2AyDIQkSSp63bSqQIfcY+6ic0YfO75B4p5t:wUNpOCJWVEoD1wp63bSVIf1O75K5t

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

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

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4980-1-0x0000000000A80000-0x0000000000A98000-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

3272 powershell.exe
1240 powershell.exe
2996 powershell.exe
452 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:

LabyMod4Crt.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	LabyMod4Crt.exe

Drops startup file 2 IoCs

Processes:

LabyMod4Crt.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	LabyMod4Crt.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	LabyMod4Crt.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

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

System Information Discovery
T1082

flow	ioc
3	ip-api.com

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
3272	powershell.exe
3272	powershell.exe
1240	powershell.exe
1240	powershell.exe
2996	powershell.exe
2996	powershell.exe
452	powershell.exe
452	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

LabyMod4Crt.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4980	LabyMod4Crt.exe
Token: SeDebugPrivilege	3272	powershell.exe
Token: SeDebugPrivilege	1240	powershell.exe
Token: SeDebugPrivilege	2996	powershell.exe
Token: SeDebugPrivilege	452	powershell.exe
Token: SeDebugPrivilege	4980	LabyMod4Crt.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

LabyMod4Crt.exe

description	pid	process	target process
PID 4980 wrote to memory of 3272	4980	LabyMod4Crt.exe	powershell.exe
PID 4980 wrote to memory of 3272	4980	LabyMod4Crt.exe	powershell.exe
PID 4980 wrote to memory of 1240	4980	LabyMod4Crt.exe	powershell.exe
PID 4980 wrote to memory of 1240	4980	LabyMod4Crt.exe	powershell.exe
PID 4980 wrote to memory of 2996	4980	LabyMod4Crt.exe	powershell.exe
PID 4980 wrote to memory of 2996	4980	LabyMod4Crt.exe	powershell.exe
PID 4980 wrote to memory of 452	4980	LabyMod4Crt.exe	powershell.exe
PID 4980 wrote to memory of 452	4980	LabyMod4Crt.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\LabyMod4Crt.exe
"C:\Users\Admin\AppData\Local\Temp\LabyMod4Crt.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4980

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\LabyMod4Crt.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 -ExclusionProcess 'LabyMod4Crt.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1240

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:2996

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:452

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

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
6c47b3f4e68eebd47e9332eebfd2dd4e

SHA1
67f0b143336d7db7b281ed3de5e877fa87261834

SHA256
8c48b1f2338e5b24094821f41121d2221f1cb3200338f46df49f64d1c4bc3e0c

SHA512
0acf302a9fc971ef9df65ed42c47ea17828e54dff685f4434f360556fd27cdc26a75069f00dcdc14ba174893c6fd7a2cfd8c6c07be3ce35dafee0a006914eaca

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

MD5
b1a1d8b05525b7b0c5babfd80488c1f2

SHA1
c85bbd6b7d0143676916c20fd52720499c2bb5c6

SHA256
adad192fc86c2f939fd3f70cb9ad323139a4e100f7c90b4454e2c53bdbc9b705

SHA512
346c6513c1373bab58439e37d3f75de1c5c587d7eb27076cf696e885a027b3b38d70b585839d1a2e7f2270cdcf0dac8c1fdff799f3b1158242ae9e3364c2a06e

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

MD5
7051a15350c9fed6e7a1191fa0d31d60

SHA1
cc5a68846a6583c3453a1291252799701897f89f

SHA256
b4fe06b1d1492a1b271dce12a5912d2dcee57e7766e4ed9f4d88fb2810e63aea

SHA512
d307ac2ed5b55eef1bf0521a1148cb3bafb31ac3fbb2d8646137b052e724d55179fc86a3772666e0dc54dd6bf3e612cda1020f579b0969df696eb37a2ad1605d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ocbpcg1u.3mw.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3272-19-0x00007FFEFB380000-0x00007FFEFBE41000-memory.dmp

Filesize
10.8MB

Download
memory/3272-14-0x00007FFEFB380000-0x00007FFEFBE41000-memory.dmp

Filesize
10.8MB

Download
memory/3272-15-0x00007FFEFB380000-0x00007FFEFBE41000-memory.dmp

Filesize
10.8MB

Download
memory/3272-16-0x00007FFEFB380000-0x00007FFEFBE41000-memory.dmp

Filesize
10.8MB

Download
memory/3272-9-0x000001F479DC0000-0x000001F479DE2000-memory.dmp

Filesize
136KB

Download
memory/4980-0-0x00007FFEFB383000-0x00007FFEFB385000-memory.dmp

Filesize
8KB

Download
memory/4980-3-0x00007FFEFB383000-0x00007FFEFB385000-memory.dmp

Filesize
8KB

Download
memory/4980-2-0x00007FFEFB380000-0x00007FFEFBE41000-memory.dmp

Filesize
10.8MB

Download
memory/4980-1-0x0000000000A80000-0x0000000000A98000-memory.dmp

Filesize
96KB

Download
memory/4980-58-0x00007FFEFB380000-0x00007FFEFBE41000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads