xworm | ca6becc3a5e5b7fa151258c05c4b3a36bbfd470d347f8da494472988b4f7bb71

General

Target

LabyMod4Crt.exe
Size

62KB
MD5

e1135bf291dffcc3b904d29aabedf004
SHA1

2fc070053234cf8fc69361e8b8c8aa52c30c612f
SHA256

ca6becc3a5e5b7fa151258c05c4b3a36bbfd470d347f8da494472988b4f7bb71
SHA512

feb7819ffd99e068dad0ff9ac8cf8779e6a876c0f5e4926ccadc827c24543d74ab5a941e1a6f0078e5aa0011bef7901bc44508f0519afacc9b4e8cb42fbc2440
SSDEEP

1536:8L8ZxognvAhQtNGp1uBQt6buhGyWT6Q9FO2Ef5h:kgnfgp1uBQAbuEfO2s5h

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:23386

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/2184-1-0x0000000000930000-0x0000000000946000-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

4888 powershell.exe
3272 powershell.exe
4756 powershell.exe
1992 powershell.exe

pid	process
4888	powershell.exe
3272	powershell.exe
4756	powershell.exe
1992	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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	LabyMod4Crt.exe

Drops startup file 2 IoCs

Processes:

LabyMod4Crt.exe

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

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

System Information Discovery
T1082

flow	ioc
2	ip-api.com

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
4756	powershell.exe
4756	powershell.exe
1992	powershell.exe
1992	powershell.exe
4888	powershell.exe
4888	powershell.exe
3272	powershell.exe
3272	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

LabyMod4Crt.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2184	LabyMod4Crt.exe
Token: SeDebugPrivilege	4756	powershell.exe
Token: SeDebugPrivilege	1992	powershell.exe
Token: SeDebugPrivilege	4888	powershell.exe
Token: SeDebugPrivilege	3272	powershell.exe
Token: SeDebugPrivilege	2184	LabyMod4Crt.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

LabyMod4Crt.exe

description	pid	process	target process
PID 2184 wrote to memory of 4756	2184	LabyMod4Crt.exe	powershell.exe
PID 2184 wrote to memory of 4756	2184	LabyMod4Crt.exe	powershell.exe
PID 2184 wrote to memory of 1992	2184	LabyMod4Crt.exe	powershell.exe
PID 2184 wrote to memory of 1992	2184	LabyMod4Crt.exe	powershell.exe
PID 2184 wrote to memory of 4888	2184	LabyMod4Crt.exe	powershell.exe
PID 2184 wrote to memory of 4888	2184	LabyMod4Crt.exe	powershell.exe
PID 2184 wrote to memory of 3272	2184	LabyMod4Crt.exe	powershell.exe
PID 2184 wrote to memory of 3272	2184	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:2184

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:4756

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:1992

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:4888

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:3272

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

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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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

MD5
3b444d3f0ddea49d84cc7b3972abe0e6

SHA1
0a896b3808e68d5d72c2655621f43b0b2c65ae02

SHA256
ab075b491d20c6f66c7bd40b57538c1cfdaab5aac4715bfe3bbc7f4745860a74

SHA512
eb0ab5d68472ec42de4c9b6d84306d7bca3874be1d0ac572030a070f21a698432418068e1a6006ff88480be8c8f54c769dee74b2def403f734109dba7261f36b

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

MD5
fd98baf5a9c30d41317663898985593b

SHA1
ea300b99f723d2429d75a6c40e0838bf60f17aad

SHA256
9d97a5bbc88fdcceac25f293383f7e5ce242675460ffbfb2ee9090870c034e96

SHA512
bf4dbbd671b5d7afb326622a7c781f150860294d3dba7160330046c258c84a15981c70e50d84dc7faaa7cc8b8c90bf8df818b3f2d3806a8a3671dfe5e38fe7b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nkbxnguh.klk.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2184-1-0x0000000000930000-0x0000000000946000-memory.dmp

Filesize
88KB

Download
memory/2184-2-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/2184-0-0x00007FFB98E13000-0x00007FFB98E15000-memory.dmp

Filesize
8KB

Download
memory/2184-54-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/4756-4-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/4756-19-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/4756-16-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/4756-15-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/4756-14-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

Filesize
10.8MB

Download
memory/4756-3-0x000001D5DAA50000-0x000001D5DAA72000-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