xworm | fb060dbdb5d300443a7137bf675cee66ab9b99d5f19701937bef7390097c1c5d

General

Target

XClient.exe
Size

63KB
MD5

1af87c02c7d2beea03afdebfb55d3b3b
SHA1

5e59b080f6a3bd74dff1522721ef2d2bbff5eb07
SHA256

fb060dbdb5d300443a7137bf675cee66ab9b99d5f19701937bef7390097c1c5d
SHA512

90b86b74f4e640591f5c22bb14e8817b44189e6c66a2d791583f7366d93920e0cd69193050b77cf3941a1a276e5567118b9e1acf23c7321799a5a41674db9f93
SSDEEP

1536:H/0TA/AoeFLZf+3Enr/eoPAabDUd3Rm4sKpL8Ioi68LgOnfCK5e:pWF9gM/eaAabDqRrsKKsLgOnfCK5e

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/652-0-0x00000000000C0000-0x00000000000D6000-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

3244 powershell.exe
2184 powershell.exe
1864 powershell.exe
4832 powershell.exe

pid	process
3244	powershell.exe
2184	powershell.exe
1864	powershell.exe
4832	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:

XClient.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	XClient.exe

Drops startup file 2 IoCs

Processes:

XClient.exe

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

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

System Information Discovery
T1082

flow	ioc
4	ip-api.com

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
4832	powershell.exe
4832	powershell.exe
3244	powershell.exe
3244	powershell.exe
2184	powershell.exe
2184	powershell.exe
1864	powershell.exe
1864	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

XClient.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	652	XClient.exe
Token: SeDebugPrivilege	4832	powershell.exe
Token: SeDebugPrivilege	3244	powershell.exe
Token: SeDebugPrivilege	2184	powershell.exe
Token: SeDebugPrivilege	1864	powershell.exe
Token: SeDebugPrivilege	652	XClient.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

XClient.exe

description	pid	process	target process
PID 652 wrote to memory of 4832	652	XClient.exe	powershell.exe
PID 652 wrote to memory of 4832	652	XClient.exe	powershell.exe
PID 652 wrote to memory of 3244	652	XClient.exe	powershell.exe
PID 652 wrote to memory of 3244	652	XClient.exe	powershell.exe
PID 652 wrote to memory of 2184	652	XClient.exe	powershell.exe
PID 652 wrote to memory of 2184	652	XClient.exe	powershell.exe
PID 652 wrote to memory of 1864	652	XClient.exe	powershell.exe
PID 652 wrote to memory of 1864	652	XClient.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:652

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\XClient.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4832

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:3244

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:2184

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:1864

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
e243a38635ff9a06c87c2a61a2200656

SHA1
ecd95ed5bf1a9fbe96a8448fc2814a0210fa2afc

SHA256
af5782703f3f2d5a29fb313dae6680a64134db26064d4a321a3f23b75f6ca00f

SHA512
4418957a1b10eee44cf270c81816ae707352411c4f5ac14b6b61ab537c91480e24e0a0a2c276a6291081b4984c123cf673a45dcedb0ceeef682054ba0fc19cb4

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

MD5
d8cb3e9459807e35f02130fad3f9860d

SHA1
5af7f32cb8a30e850892b15e9164030a041f4bd6

SHA256
2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68

SHA512
045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184

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

MD5
3db1c0d23daacf01eb99125ccc2787d3

SHA1
0849528de1ba411279231d635d8f39d54cc829d2

SHA256
bceb96f5c3d31447980eb8cd891bba75b3e5b6eb60abf4d829fc13cd8faf2582

SHA512
3d84635a3395bca1d91ce182ccfb9e38c8da87ad678704673a72d580e4251cedc5a6b2a89040a172a5687b67952e74a13673bd115bce7bdabaed06f89323de5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wfbore3b.lvo.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/652-0-0x00000000000C0000-0x00000000000D6000-memory.dmp

Filesize
88KB

Download
memory/652-2-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

Filesize
10.8MB

Download
memory/652-1-0x00007FFECB833000-0x00007FFECB835000-memory.dmp

Filesize
8KB

Download
memory/652-57-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

Filesize
10.8MB

Download
memory/4832-3-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

Filesize
10.8MB

Download
memory/4832-18-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

Filesize
10.8MB

Download
memory/4832-15-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

Filesize
10.8MB

Download
memory/4832-14-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

Filesize
10.8MB

Download
memory/4832-13-0x0000022D7E120000-0x0000022D7E142000-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