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/312-1-0x0000000000BE0000-0x0000000000BF6000-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

604 powershell.exe
3984 powershell.exe
4980 powershell.exe
2192 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-1-5-21-3169499791-3545231813-3156325206-1000\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

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

System Information Discovery
T1082

flow	ioc
10	ip-api.com

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
604	powershell.exe
604	powershell.exe
3984	powershell.exe
3984	powershell.exe
4980	powershell.exe
4980	powershell.exe
2192	powershell.exe
2192	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

LabyMod4Crt.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	312	LabyMod4Crt.exe
Token: SeDebugPrivilege	604	powershell.exe
Token: SeDebugPrivilege	3984	powershell.exe
Token: SeDebugPrivilege	4980	powershell.exe
Token: SeDebugPrivilege	2192	powershell.exe
Token: SeDebugPrivilege	312	LabyMod4Crt.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

LabyMod4Crt.exe

description	pid	process	target process
PID 312 wrote to memory of 604	312	LabyMod4Crt.exe	powershell.exe
PID 312 wrote to memory of 604	312	LabyMod4Crt.exe	powershell.exe
PID 312 wrote to memory of 3984	312	LabyMod4Crt.exe	powershell.exe
PID 312 wrote to memory of 3984	312	LabyMod4Crt.exe	powershell.exe
PID 312 wrote to memory of 4980	312	LabyMod4Crt.exe	powershell.exe
PID 312 wrote to memory of 4980	312	LabyMod4Crt.exe	powershell.exe
PID 312 wrote to memory of 2192	312	LabyMod4Crt.exe	powershell.exe
PID 312 wrote to memory of 2192	312	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:312

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:604

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:3984

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:4980

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:2192

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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

MD5
22e42e9bd53274ebd4941d8ae5c99da1

SHA1
4e8c58c92c063ec3e3728c42d2595467c1cc37ca

SHA256
cf150397bb413f44296572e4fa3cb29db1b3404eb7508e509bea876fddd1452d

SHA512
63c42d037e6795fab08a3d120e3893ee1d2f534fc6665c1c644e603a1cb3f52d20bbe7e02938d0f22c6f08c3799fd150d57cc84edcc92840634b88c69b8f1efe

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

MD5
eb033be02578f9635ec47bdc1de5c3fb

SHA1
ec356bc87381354a06baa9c30e8c3ac3d30e0f6f

SHA256
bd827af3192bf83c75a32e51ed2de83bd3b90d6b99350721a189a57cec15d063

SHA512
4d8778503646f7016df73ff9d204760f4fe4d2b24157920ac3e5651653373975b2f2d229530143059f11b16c42822ad7963e628ad6066022ee712c17d90595ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hfvtisxp.jex.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/312-1-0x0000000000BE0000-0x0000000000BF6000-memory.dmp

Filesize
88KB

Download
memory/312-2-0x00007FFA95040000-0x00007FFA95B01000-memory.dmp

Filesize
10.8MB

Download
memory/312-62-0x00007FFA95040000-0x00007FFA95B01000-memory.dmp

Filesize
10.8MB

Download
memory/312-61-0x00007FFA95043000-0x00007FFA95045000-memory.dmp

Filesize
8KB

Download
memory/312-0-0x00007FFA95043000-0x00007FFA95045000-memory.dmp

Filesize
8KB

Download
memory/604-18-0x000001DA5F390000-0x000001DA5F4FA000-memory.dmp

Filesize
1.4MB

Download
memory/604-19-0x00007FFA95040000-0x00007FFA95B01000-memory.dmp

Filesize
10.8MB

Download
memory/604-15-0x00007FFA95040000-0x00007FFA95B01000-memory.dmp

Filesize
10.8MB

Download
memory/604-14-0x00007FFA95040000-0x00007FFA95B01000-memory.dmp

Filesize
10.8MB

Download
memory/604-12-0x000001DA5F240000-0x000001DA5F262000-memory.dmp

Filesize
136KB

Download
memory/604-13-0x00007FFA95040000-0x00007FFA95B01000-memory.dmp

Filesize
10.8MB

Download
memory/2192-56-0x000001E87E9E0000-0x000001E87EB4A000-memory.dmp

Filesize
1.4MB

Download
memory/3984-32-0x000002B49BFC0000-0x000002B49C12A000-memory.dmp

Filesize
1.4MB

Download
memory/4980-44-0x00000208E4A80000-0x00000208E4BEA000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads