xworm | 95a032a1e79be0b8436651d2a8c3ff59253eb84c3972ac40ad39cb27fc5bb7f3

Analysis

max time kernel
16s
max time network
17s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
19-01-2025 18:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

FIX.exe
Size

70KB
MD5

a4dcdcdfbb5ef68a0d9222618def90d2
SHA1

8a04a046642eb1ab4ed640995c550467a1463d9a
SHA256

95a032a1e79be0b8436651d2a8c3ff59253eb84c3972ac40ad39cb27fc5bb7f3
SHA512

fd11cf69a87b8ec19cc5fb6e01e86dcd40e308425cb43173faf812d331b1571e51ab7f75d50e8be725d177ad7c68517b390bb1a17622befe2f1cf70c402e6a65
SSDEEP

1536:DvKEG3MMvh0LPHlVKQWkxYJ+bLvGLip4WTs631n+OsB7qzjzqe3o:DvKEG3ML/KQZYJ+bLvRL+OsFIjOf

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

exchange-syndicate.gl.at.ply.gg:22530

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/4460-1-0x0000000000BC0000-0x0000000000BD8000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3724	powershell.exe
3300	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2503671516-4119152987-701077851-1000\Control Panel\International\Geo\Nation	FIX.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3724	powershell.exe
3724	powershell.exe
3300	powershell.exe
3300	powershell.exe
4460	FIX.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	FIX.exe
Token: SeDebugPrivilege	3724	powershell.exe
Token: SeIncreaseQuotaPrivilege	3724	powershell.exe
Token: SeSecurityPrivilege	3724	powershell.exe
Token: SeTakeOwnershipPrivilege	3724	powershell.exe
Token: SeLoadDriverPrivilege	3724	powershell.exe
Token: SeSystemProfilePrivilege	3724	powershell.exe
Token: SeSystemtimePrivilege	3724	powershell.exe
Token: SeProfSingleProcessPrivilege	3724	powershell.exe
Token: SeIncBasePriorityPrivilege	3724	powershell.exe
Token: SeCreatePagefilePrivilege	3724	powershell.exe
Token: SeBackupPrivilege	3724	powershell.exe
Token: SeRestorePrivilege	3724	powershell.exe
Token: SeShutdownPrivilege	3724	powershell.exe
Token: SeDebugPrivilege	3724	powershell.exe
Token: SeSystemEnvironmentPrivilege	3724	powershell.exe
Token: SeRemoteShutdownPrivilege	3724	powershell.exe
Token: SeUndockPrivilege	3724	powershell.exe
Token: SeManageVolumePrivilege	3724	powershell.exe
Token: 33	3724	powershell.exe
Token: 34	3724	powershell.exe
Token: 35	3724	powershell.exe
Token: 36	3724	powershell.exe
Token: SeDebugPrivilege	3300	powershell.exe
Token: SeIncreaseQuotaPrivilege	3300	powershell.exe
Token: SeSecurityPrivilege	3300	powershell.exe
Token: SeTakeOwnershipPrivilege	3300	powershell.exe
Token: SeLoadDriverPrivilege	3300	powershell.exe
Token: SeSystemProfilePrivilege	3300	powershell.exe
Token: SeSystemtimePrivilege	3300	powershell.exe
Token: SeProfSingleProcessPrivilege	3300	powershell.exe
Token: SeIncBasePriorityPrivilege	3300	powershell.exe
Token: SeCreatePagefilePrivilege	3300	powershell.exe
Token: SeBackupPrivilege	3300	powershell.exe
Token: SeRestorePrivilege	3300	powershell.exe
Token: SeShutdownPrivilege	3300	powershell.exe
Token: SeDebugPrivilege	3300	powershell.exe
Token: SeSystemEnvironmentPrivilege	3300	powershell.exe
Token: SeRemoteShutdownPrivilege	3300	powershell.exe
Token: SeUndockPrivilege	3300	powershell.exe
Token: SeManageVolumePrivilege	3300	powershell.exe
Token: 33	3300	powershell.exe
Token: 34	3300	powershell.exe
Token: 35	3300	powershell.exe
Token: 36	3300	powershell.exe
Token: SeDebugPrivilege	4460	FIX.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4460	FIX.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 3724	4460	FIX.exe	84
PID 4460 wrote to memory of 3724	4460	FIX.exe	84
PID 4460 wrote to memory of 3300	4460	FIX.exe	87
PID 4460 wrote to memory of 3300	4460	FIX.exe	87

C:\Users\Admin\AppData\Local\Temp\FIX.exe
"C:\Users\Admin\AppData\Local\Temp\FIX.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4460
- 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\FIX.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3724
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'FIX.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

Filesize
1KB

MD5
d6d1b8bb34838ccf42d5f69e919b1612

SHA1
20e9df1f5dd5908ce1b537d158961e0b1674949e

SHA256
8a4e7eae00df2e789c958a38e78ac0b53f439afe2d5bfe8a81fb8c6e232b6491

SHA512
ff3ba5dc3cb548018747a315f098e01c5a6f8aee029223ef4080b3db76b0ecaa6a01a1c79e1434bdf2aa5b2ae66ec85d33e760064282411c7712fba890a0309d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kpxtbkrd.5f5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3724-14-0x00007FFD53AD0000-0x00007FFD54592000-memory.dmp

Filesize
10.8MB

Download
memory/3724-12-0x00007FFD53AD0000-0x00007FFD54592000-memory.dmp

Filesize
10.8MB

Download
memory/3724-13-0x00007FFD53AD0000-0x00007FFD54592000-memory.dmp

Filesize
10.8MB

Download
memory/3724-15-0x00007FFD53AD0000-0x00007FFD54592000-memory.dmp

Filesize
10.8MB

Download
memory/3724-16-0x00007FFD53AD0000-0x00007FFD54592000-memory.dmp

Filesize
10.8MB

Download
memory/3724-19-0x00007FFD53AD0000-0x00007FFD54592000-memory.dmp

Filesize
10.8MB

Download
memory/3724-8-0x0000018A7B8E0000-0x0000018A7B902000-memory.dmp

Filesize
136KB

Download
memory/4460-0-0x00007FFD53AD3000-0x00007FFD53AD5000-memory.dmp

Filesize
8KB

Download
memory/4460-1-0x0000000000BC0000-0x0000000000BD8000-memory.dmp

Filesize
96KB

Download
memory/4460-32-0x00007FFD53AD0000-0x00007FFD54592000-memory.dmp

Filesize
10.8MB

Download
memory/4460-33-0x00007FFD53AD3000-0x00007FFD53AD5000-memory.dmp

Filesize
8KB

Download
memory/4460-34-0x00007FFD53AD0000-0x00007FFD54592000-memory.dmp

Filesize
10.8MB

Download