xworm | 9e6aef22dddfad9f4f3e2b478c59e5091233270da722712011011df2b6cf2ac0

Analysis

max time kernel
142s
max time network
144s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250217-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
07/03/2025, 16:02

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General

Target

done12312.exe
Size

286KB
MD5

4ca928ae23fcfa668b951b98f847a10c
SHA1

2390606cab60a13706644016b7a6e5498277b14b
SHA256

9e6aef22dddfad9f4f3e2b478c59e5091233270da722712011011df2b6cf2ac0
SHA512

ce90304762bdcd23b7a7dbc1404a197b2cf267e1399240a91f8c7689efc9e188e20b2e565a1062bb8fd1827a377abaeec4d84992e2b35859bf49537ee763596c
SSDEEP

6144:t/Juw3FOBVEqLsGIfkSKM6riUCxaKP6aAON2kQxQxQMMJzCWOG8iZr:t/8w3FCEqI9kSKMmSagPJlx2vJWjGXZr

Score

10^/10

xworm discovery persistence rat trojan

Malware Config

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2756-4-0x0000000000400000-0x0000000000440000-memory.dmp	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-1-5-21-1252571373-3012572919-3982031544-1000\Control Panel\International\Geo\Nation	done12312.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\done12312.exe	done12312.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\done12312.exe	done12312.exe

Executes dropped EXE 6 IoCs

pid	Process
2476	done12312.exe
456	done12312.exe
832	done12312.exe
2000	done12312.exe
3092	done12312.exe
4660	done12312.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-1-5-21-1252571373-3012572919-3982031544-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\done12312 = "C:\\Users\\Admin\\AppData\\Roaming\\done12312.exe"	done12312.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 2756	2248	done12312.exe	84
PID 2476 set thread context of 456	2476	done12312.exe	98
PID 832 set thread context of 2000	832	done12312.exe	103
PID 3092 set thread context of 4660	3092	done12312.exe	107

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1960	2248	WerFault.exe	83
3020	2476	WerFault.exe	97
4968	832	WerFault.exe	102
4316	3092	WerFault.exe	106

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	done12312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	done12312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	done12312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	done12312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	done12312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	done12312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	done12312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	done12312.exe

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
4432	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	done12312.exe
Token: SeDebugPrivilege	456	done12312.exe
Token: SeDebugPrivilege	2000	done12312.exe
Token: SeDebugPrivilege	4660	done12312.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2756	2248	done12312.exe	84
PID 2248 wrote to memory of 2756	2248	done12312.exe	84
PID 2248 wrote to memory of 2756	2248	done12312.exe	84
PID 2248 wrote to memory of 2756	2248	done12312.exe	84
PID 2248 wrote to memory of 2756	2248	done12312.exe	84
PID 2248 wrote to memory of 2756	2248	done12312.exe	84
PID 2248 wrote to memory of 2756	2248	done12312.exe	84
PID 2248 wrote to memory of 2756	2248	done12312.exe	84
PID 2756 wrote to memory of 4432	2756	done12312.exe	88
PID 2756 wrote to memory of 4432	2756	done12312.exe	88
PID 2756 wrote to memory of 4432	2756	done12312.exe	88
PID 2476 wrote to memory of 456	2476	done12312.exe	98
PID 2476 wrote to memory of 456	2476	done12312.exe	98
PID 2476 wrote to memory of 456	2476	done12312.exe	98
PID 2476 wrote to memory of 456	2476	done12312.exe	98
PID 2476 wrote to memory of 456	2476	done12312.exe	98
PID 2476 wrote to memory of 456	2476	done12312.exe	98
PID 2476 wrote to memory of 456	2476	done12312.exe	98
PID 2476 wrote to memory of 456	2476	done12312.exe	98
PID 832 wrote to memory of 2000	832	done12312.exe	103
PID 832 wrote to memory of 2000	832	done12312.exe	103
PID 832 wrote to memory of 2000	832	done12312.exe	103
PID 832 wrote to memory of 2000	832	done12312.exe	103
PID 832 wrote to memory of 2000	832	done12312.exe	103
PID 832 wrote to memory of 2000	832	done12312.exe	103
PID 832 wrote to memory of 2000	832	done12312.exe	103
PID 832 wrote to memory of 2000	832	done12312.exe	103
PID 3092 wrote to memory of 4660	3092	done12312.exe	107
PID 3092 wrote to memory of 4660	3092	done12312.exe	107
PID 3092 wrote to memory of 4660	3092	done12312.exe	107
PID 3092 wrote to memory of 4660	3092	done12312.exe	107
PID 3092 wrote to memory of 4660	3092	done12312.exe	107
PID 3092 wrote to memory of 4660	3092	done12312.exe	107
PID 3092 wrote to memory of 4660	3092	done12312.exe	107
PID 3092 wrote to memory of 4660	3092	done12312.exe	107

C:\Users\Admin\AppData\Local\Temp\done12312.exe
"C:\Users\Admin\AppData\Local\Temp\done12312.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\done12312.exe
  "C:\Users\Admin\AppData\Local\Temp\done12312.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "done12312" /tr "C:\Users\Admin\AppData\Roaming\done12312.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 836
  2⤵
  - Program crash
  PID:1960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2248 -ip 2248
1⤵
PID:8

C:\Users\Admin\AppData\Roaming\done12312.exe
"C:\Users\Admin\AppData\Roaming\done12312.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Roaming\done12312.exe
  "C:\Users\Admin\AppData\Roaming\done12312.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 828
  2⤵
  - Program crash
  PID:3020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2476 -ip 2476
1⤵
PID:2788

C:\Users\Admin\AppData\Roaming\done12312.exe
"C:\Users\Admin\AppData\Roaming\done12312.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:832
- C:\Users\Admin\AppData\Roaming\done12312.exe
  "C:\Users\Admin\AppData\Roaming\done12312.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 780
  2⤵
  - Program crash
  PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 832 -ip 832
1⤵
PID:3304

C:\Users\Admin\AppData\Roaming\done12312.exe
"C:\Users\Admin\AppData\Roaming\done12312.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3092
- C:\Users\Admin\AppData\Roaming\done12312.exe
  "C:\Users\Admin\AppData\Roaming\done12312.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 796
  2⤵
  - Program crash
  PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 3092 -ip 3092
1⤵
PID:4208

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\done12312.exe.log

Filesize
944B

MD5
101e30aee352d3dffc48fd6d36a063fb

SHA1
b2ef18673fad0189113ee064de9e64765a7faf74

SHA256
bb401bc343e79ca9352a90583b8feddbb3fe27413ceec9206485da39ca72134a

SHA512
603e890c40af05e8b10d9fb5b180135a31dc9fa86ec000e27c173b8cae2ce1d28b8571bc52f617a6a32cb35023bd37dd26e8363b2bf289a90f0863b1c2edff10

Download Submit
C:\Users\Admin\AppData\Roaming\done12312.exe

Filesize
286KB

MD5
4ca928ae23fcfa668b951b98f847a10c

SHA1
2390606cab60a13706644016b7a6e5498277b14b

SHA256
9e6aef22dddfad9f4f3e2b478c59e5091233270da722712011011df2b6cf2ac0

SHA512
ce90304762bdcd23b7a7dbc1404a197b2cf267e1399240a91f8c7689efc9e188e20b2e565a1062bb8fd1827a377abaeec4d84992e2b35859bf49537ee763596c

Download Submit
memory/2248-1-0x0000000000180000-0x00000000001D0000-memory.dmp

Filesize
320KB

Download
memory/2248-2-0x00000000050A0000-0x0000000005646000-memory.dmp

Filesize
5.6MB

Download
memory/2248-0-0x000000007500E000-0x000000007500F000-memory.dmp

Filesize
4KB

Download
memory/2248-6-0x0000000075000000-0x00000000757B1000-memory.dmp

Filesize
7.7MB

Download
memory/2476-18-0x0000000075000000-0x00000000757B1000-memory.dmp

Filesize
7.7MB

Download
memory/2476-15-0x0000000075000000-0x00000000757B1000-memory.dmp

Filesize
7.7MB

Download
memory/2476-13-0x0000000075000000-0x00000000757B1000-memory.dmp

Filesize
7.7MB

Download
memory/2756-5-0x00000000055D0000-0x000000000566C000-memory.dmp

Filesize
624KB

Download
memory/2756-11-0x00000000073C0000-0x0000000007452000-memory.dmp

Filesize
584KB

Download
memory/2756-10-0x0000000075000000-0x00000000757B1000-memory.dmp

Filesize
7.7MB

Download
memory/2756-9-0x00000000061E0000-0x0000000006246000-memory.dmp

Filesize
408KB

Download
memory/2756-8-0x0000000075000000-0x00000000757B1000-memory.dmp

Filesize
7.7MB

Download
memory/2756-7-0x0000000075000000-0x00000000757B1000-memory.dmp

Filesize
7.7MB

Download
memory/2756-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads