xworm | ffaa5eea301ca6578ee0b3403513d77264246a77c18c8d529021045c15452940

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:11

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General

Target

57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
Size

338KB
MD5

5b7ccfca9393b276311cbd13b5267747
SHA1

cb246b9d728ebbb150224fd05c7a4cd7a6f25dbb
SHA256

57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a
SHA512

f86d4a976bee24a013c35990650d8f52caa1b340a741529a443578c432f50d52dd6c64738b20e3a2c989bf0969486ba52abbd02026c205a562503dd37d55ccf9
SSDEEP

6144:Y5gICebp23YUv+GIIIIIIIhIIIIIIIIIIIIIIIU:Y5g3KCYUQ

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

82.21.151.21:7000

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral32/memory/5224-1-0x00000000005F0000-0x000000000064A000-memory.dmp	family_xworm
behavioral32/files/0x0007000000024309-8.dat	family_xworm

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

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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.lnk	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.lnk	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe

Executes dropped EXE 2 IoCs

pid	Process
5060	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
1680	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a = "C:\\Users\\Admin\\AppData\\Roaming\\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe"	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4496	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
5224	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5224	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
Token: SeDebugPrivilege	5060	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
Token: SeDebugPrivilege	1680	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5224	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5224 wrote to memory of 4496	5224	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe	91
PID 5224 wrote to memory of 4496	5224	57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe	91

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
"C:\Users\Admin\AppData\Local\Temp\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5224
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a" /tr "C:\Users\Admin\AppData\Roaming\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4496

C:\Users\Admin\AppData\Roaming\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
C:\Users\Admin\AppData\Roaming\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5060

C:\Users\Admin\AppData\Roaming\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
C:\Users\Admin\AppData\Roaming\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Roaming\57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a.exe

Filesize
338KB

MD5
5b7ccfca9393b276311cbd13b5267747

SHA1
cb246b9d728ebbb150224fd05c7a4cd7a6f25dbb

SHA256
57f8be0d4c7021dd7b09ec4eff55e6803ca1f11b7bb4935319b4ee8c70034b5a

SHA512
f86d4a976bee24a013c35990650d8f52caa1b340a741529a443578c432f50d52dd6c64738b20e3a2c989bf0969486ba52abbd02026c205a562503dd37d55ccf9

Download Submit
memory/5060-15-0x00007FFDE7E30000-0x00007FFDE88F1000-memory.dmp

Filesize
10.8MB

Download
memory/5060-17-0x00007FFDE7E30000-0x00007FFDE88F1000-memory.dmp

Filesize
10.8MB

Download
memory/5224-0-0x00007FFDE7E33000-0x00007FFDE7E35000-memory.dmp

Filesize
8KB

Download
memory/5224-1-0x00000000005F0000-0x000000000064A000-memory.dmp

Filesize
360KB

Download
memory/5224-10-0x00007FFDE7E30000-0x00007FFDE88F1000-memory.dmp

Filesize
10.8MB

Download
memory/5224-11-0x00007FFDE7E33000-0x00007FFDE7E35000-memory.dmp

Filesize
8KB

Download
memory/5224-12-0x00007FFDE7E30000-0x00007FFDE88F1000-memory.dmp

Filesize
10.8MB

Download