xworm | 2dc64216e7ec072466c632e59a4da4101fdf3e4499dabc36724c01434ff4442e

General

Target

XClient.exe
Size

64KB
MD5

f60efff1882f5dae9e31150e6296c87c
SHA1

e19beee5909878fec11967bda42ac2acb36a67ce
SHA256

2dc64216e7ec072466c632e59a4da4101fdf3e4499dabc36724c01434ff4442e
SHA512

ff705599a5f502a487308094b4366a920f9eb537177aca5f2e3ffbf292c7be5cd00fb38b39c679eb6bf6c3b9870fd5732dda6577fd64bfecfc5f46cabbdf9be9
SSDEEP

1536:vfNj1dXIR9JdlLx0l6rbzufGoZ6SxdgHO3A5l:hSfdpu4rbzQdAO3A5l

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/368-1-0x0000000000350000-0x0000000000366000-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

2208 powershell.exe
4628 powershell.exe
1716 powershell.exe
2660 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

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
2208	powershell.exe
2208	powershell.exe
4628	powershell.exe
4628	powershell.exe
1716	powershell.exe
1716	powershell.exe
2660	powershell.exe
2660	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

XClient.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	368	XClient.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	4628	powershell.exe
Token: SeDebugPrivilege	1716	powershell.exe
Token: SeDebugPrivilege	2660	powershell.exe
Token: SeDebugPrivilege	368	XClient.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

XClient.exe

description	pid	process	target process
PID 368 wrote to memory of 2208	368	XClient.exe	powershell.exe
PID 368 wrote to memory of 2208	368	XClient.exe	powershell.exe
PID 368 wrote to memory of 4628	368	XClient.exe	powershell.exe
PID 368 wrote to memory of 4628	368	XClient.exe	powershell.exe
PID 368 wrote to memory of 1716	368	XClient.exe	powershell.exe
PID 368 wrote to memory of 1716	368	XClient.exe	powershell.exe
PID 368 wrote to memory of 2660	368	XClient.exe	powershell.exe
PID 368 wrote to memory of 2660	368	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:368

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:2208

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:4628

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:1716

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:2660

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
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

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

MD5
bbc2b43d5e574fe7d193c6fc0eb7302c

SHA1
f22683b94ad593fd0513fef37df1fb5d0880cc22

SHA256
0efa2469ae0b02af024fd0e2828ccab085eaefef3736b3bda0ba631e3a45aa48

SHA512
287449b168297a5176b26777f2f5ca3284d967b93274db8b3029d130049073560a10e418607f670d08194193aa91fc9cd174717e7c1d051b09c23857fe3ab9d2

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

MD5
10890cda4b6eab618e926c4118ab0647

SHA1
1e1d63b73a0e6c7575f458b3c7917a9ce5ba776d

SHA256
00f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14

SHA512
a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ne42foq5.y3f.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/368-1-0x0000000000350000-0x0000000000366000-memory.dmp

Filesize
88KB

Download
memory/368-2-0x00007FF841A80000-0x00007FF842541000-memory.dmp

Filesize
10.8MB

Download
memory/368-0-0x00007FF841A83000-0x00007FF841A85000-memory.dmp

Filesize
8KB

Download
memory/368-57-0x00007FF841A80000-0x00007FF842541000-memory.dmp

Filesize
10.8MB

Download
memory/2208-3-0x00007FF841A80000-0x00007FF842541000-memory.dmp

Filesize
10.8MB

Download
memory/2208-18-0x00007FF841A80000-0x00007FF842541000-memory.dmp

Filesize
10.8MB

Download
memory/2208-15-0x00007FF841A80000-0x00007FF842541000-memory.dmp

Filesize
10.8MB

Download
memory/2208-14-0x00007FF841A80000-0x00007FF842541000-memory.dmp

Filesize
10.8MB

Download
memory/2208-11-0x0000024BD0A30000-0x0000024BD0A52000-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