xworm | 9c2b49dde271accdeb74a011a6091c6d7ed432326d24d424bc547eb57c343a6f

Analysis

max time kernel
149s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/03/2025, 00:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

quarantine/d0HNrLB.exe
Size

277KB
MD5

d1458dc39b290683cefbb01cc5b0991a
SHA1

e9749971be9d943cb2a62e2be5eb442161876ec6
SHA256

dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d
SHA512

f90bc037576ee1205fa260d5b6b05c95f930025bc40f541b92f39b845b8e9a90a59ec18ef0be1ab5cf7bb74ed6a6222fc1a882df894ba8e1e722d671aef37e35
SSDEEP

6144:mncN0em3ZxfIiz1uE9FT6gLc/wtgdmvRvtsUuVGh+/Kq3u:P0dfJ8E9d6gLMaDvzsVu+d+

Score

10^/10

xworm discovery persistence rat trojan

Malware Config

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral11/memory/2216-14-0x0000000000400000-0x0000000000436000-memory.dmp	family_xworm
behavioral11/memory/2216-18-0x0000000000400000-0x0000000000436000-memory.dmp	family_xworm
behavioral11/memory/2216-16-0x0000000000400000-0x0000000000436000-memory.dmp	family_xworm
behavioral11/memory/2216-10-0x0000000000400000-0x0000000000436000-memory.dmp	family_xworm
behavioral11/memory/2216-8-0x0000000000400000-0x0000000000436000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d0HNrLB.exe	d0HNrLB.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d0HNrLB.exe	d0HNrLB.exe

Executes dropped EXE 6 IoCs

pid	Process
2676	d0HNrLB.exe
3052	d0HNrLB.exe
2948	d0HNrLB.exe
2484	d0HNrLB.exe
2472	d0HNrLB.exe
2576	d0HNrLB.exe

Loads dropped DLL 15 IoCs

pid	Process
1836	WerFault.exe
1836	WerFault.exe
1836	WerFault.exe
1836	WerFault.exe
1836	WerFault.exe
2140	WerFault.exe
2140	WerFault.exe
2140	WerFault.exe
2140	WerFault.exe
2140	WerFault.exe
1680	WerFault.exe
1680	WerFault.exe
1680	WerFault.exe
1680	WerFault.exe
1680	WerFault.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\d0HNrLB = "C:\\Users\\Admin\\AppData\\Roaming\\d0HNrLB.exe"	d0HNrLB.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 2216	2908	d0HNrLB.exe	31
PID 2676 set thread context of 3052	2676	d0HNrLB.exe	38
PID 2948 set thread context of 2484	2948	d0HNrLB.exe	41
PID 2472 set thread context of 2576	2472	d0HNrLB.exe	44

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
2544	2908	WerFault.exe	29
1836	2676	WerFault.exe	37
2140	2948	WerFault.exe	40
1680	2472	WerFault.exe	43

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0HNrLB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0HNrLB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0HNrLB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0HNrLB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0HNrLB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0HNrLB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0HNrLB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0HNrLB.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
2836	schtasks.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	d0HNrLB.exe
Token: SeDebugPrivilege	2216	d0HNrLB.exe
Token: SeDebugPrivilege	2676	d0HNrLB.exe
Token: SeDebugPrivilege	3052	d0HNrLB.exe
Token: SeDebugPrivilege	2948	d0HNrLB.exe
Token: SeDebugPrivilege	2484	d0HNrLB.exe
Token: SeDebugPrivilege	2472	d0HNrLB.exe
Token: SeDebugPrivilege	2576	d0HNrLB.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2320	2908	d0HNrLB.exe	30
PID 2908 wrote to memory of 2320	2908	d0HNrLB.exe	30
PID 2908 wrote to memory of 2320	2908	d0HNrLB.exe	30
PID 2908 wrote to memory of 2320	2908	d0HNrLB.exe	30
PID 2908 wrote to memory of 2216	2908	d0HNrLB.exe	31
PID 2908 wrote to memory of 2216	2908	d0HNrLB.exe	31
PID 2908 wrote to memory of 2216	2908	d0HNrLB.exe	31
PID 2908 wrote to memory of 2216	2908	d0HNrLB.exe	31
PID 2908 wrote to memory of 2216	2908	d0HNrLB.exe	31
PID 2908 wrote to memory of 2216	2908	d0HNrLB.exe	31
PID 2908 wrote to memory of 2216	2908	d0HNrLB.exe	31
PID 2908 wrote to memory of 2216	2908	d0HNrLB.exe	31
PID 2908 wrote to memory of 2216	2908	d0HNrLB.exe	31
PID 2908 wrote to memory of 2544	2908	d0HNrLB.exe	32
PID 2908 wrote to memory of 2544	2908	d0HNrLB.exe	32
PID 2908 wrote to memory of 2544	2908	d0HNrLB.exe	32
PID 2908 wrote to memory of 2544	2908	d0HNrLB.exe	32
PID 2216 wrote to memory of 2836	2216	d0HNrLB.exe	33
PID 2216 wrote to memory of 2836	2216	d0HNrLB.exe	33
PID 2216 wrote to memory of 2836	2216	d0HNrLB.exe	33
PID 2216 wrote to memory of 2836	2216	d0HNrLB.exe	33
PID 2728 wrote to memory of 2676	2728	taskeng.exe	37
PID 2728 wrote to memory of 2676	2728	taskeng.exe	37
PID 2728 wrote to memory of 2676	2728	taskeng.exe	37
PID 2728 wrote to memory of 2676	2728	taskeng.exe	37
PID 2676 wrote to memory of 3052	2676	d0HNrLB.exe	38
PID 2676 wrote to memory of 3052	2676	d0HNrLB.exe	38
PID 2676 wrote to memory of 3052	2676	d0HNrLB.exe	38
PID 2676 wrote to memory of 3052	2676	d0HNrLB.exe	38
PID 2676 wrote to memory of 3052	2676	d0HNrLB.exe	38
PID 2676 wrote to memory of 3052	2676	d0HNrLB.exe	38
PID 2676 wrote to memory of 3052	2676	d0HNrLB.exe	38
PID 2676 wrote to memory of 3052	2676	d0HNrLB.exe	38
PID 2676 wrote to memory of 3052	2676	d0HNrLB.exe	38
PID 2676 wrote to memory of 1836	2676	d0HNrLB.exe	39
PID 2676 wrote to memory of 1836	2676	d0HNrLB.exe	39
PID 2676 wrote to memory of 1836	2676	d0HNrLB.exe	39
PID 2676 wrote to memory of 1836	2676	d0HNrLB.exe	39
PID 2728 wrote to memory of 2948	2728	taskeng.exe	40
PID 2728 wrote to memory of 2948	2728	taskeng.exe	40
PID 2728 wrote to memory of 2948	2728	taskeng.exe	40
PID 2728 wrote to memory of 2948	2728	taskeng.exe	40
PID 2948 wrote to memory of 2484	2948	d0HNrLB.exe	41
PID 2948 wrote to memory of 2484	2948	d0HNrLB.exe	41
PID 2948 wrote to memory of 2484	2948	d0HNrLB.exe	41
PID 2948 wrote to memory of 2484	2948	d0HNrLB.exe	41
PID 2948 wrote to memory of 2484	2948	d0HNrLB.exe	41
PID 2948 wrote to memory of 2484	2948	d0HNrLB.exe	41
PID 2948 wrote to memory of 2484	2948	d0HNrLB.exe	41
PID 2948 wrote to memory of 2484	2948	d0HNrLB.exe	41
PID 2948 wrote to memory of 2484	2948	d0HNrLB.exe	41
PID 2948 wrote to memory of 2140	2948	d0HNrLB.exe	42
PID 2948 wrote to memory of 2140	2948	d0HNrLB.exe	42
PID 2948 wrote to memory of 2140	2948	d0HNrLB.exe	42
PID 2948 wrote to memory of 2140	2948	d0HNrLB.exe	42
PID 2728 wrote to memory of 2472	2728	taskeng.exe	43
PID 2728 wrote to memory of 2472	2728	taskeng.exe	43
PID 2728 wrote to memory of 2472	2728	taskeng.exe	43
PID 2728 wrote to memory of 2472	2728	taskeng.exe	43
PID 2472 wrote to memory of 2576	2472	d0HNrLB.exe	44
PID 2472 wrote to memory of 2576	2472	d0HNrLB.exe	44
PID 2472 wrote to memory of 2576	2472	d0HNrLB.exe	44
PID 2472 wrote to memory of 2576	2472	d0HNrLB.exe	44
PID 2472 wrote to memory of 2576	2472	d0HNrLB.exe	44

C:\Users\Admin\AppData\Local\Temp\quarantine\d0HNrLB.exe
"C:\Users\Admin\AppData\Local\Temp\quarantine\d0HNrLB.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\quarantine\d0HNrLB.exe
  "C:\Users\Admin\AppData\Local\Temp\quarantine\d0HNrLB.exe"
  2⤵
  PID:2320
- C:\Users\Admin\AppData\Local\Temp\quarantine\d0HNrLB.exe
  "C:\Users\Admin\AppData\Local\Temp\quarantine\d0HNrLB.exe"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "d0HNrLB" /tr "C:\Users\Admin\AppData\Roaming\d0HNrLB.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2836
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 520
  2⤵
  - Program crash
  PID:2544

C:\Windows\system32\taskeng.exe
taskeng.exe {F99F3997-B368-4A7A-878A-CDBB5680CDD1} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Roaming\d0HNrLB.exe
  C:\Users\Admin\AppData\Roaming\d0HNrLB.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Users\Admin\AppData\Roaming\d0HNrLB.exe
    "C:\Users\Admin\AppData\Roaming\d0HNrLB.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 508
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1836
- C:\Users\Admin\AppData\Roaming\d0HNrLB.exe
  C:\Users\Admin\AppData\Roaming\d0HNrLB.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Users\Admin\AppData\Roaming\d0HNrLB.exe
    "C:\Users\Admin\AppData\Roaming\d0HNrLB.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 508
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2140
- C:\Users\Admin\AppData\Roaming\d0HNrLB.exe
  C:\Users\Admin\AppData\Roaming\d0HNrLB.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Users\Admin\AppData\Roaming\d0HNrLB.exe
    "C:\Users\Admin\AppData\Roaming\d0HNrLB.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 508
    3⤵
    - Loads dropped DLL
    - Program crash
    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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\d0HNrLB.exe

Filesize
277KB

MD5
d1458dc39b290683cefbb01cc5b0991a

SHA1
e9749971be9d943cb2a62e2be5eb442161876ec6

SHA256
dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d

SHA512
f90bc037576ee1205fa260d5b6b05c95f930025bc40f541b92f39b845b8e9a90a59ec18ef0be1ab5cf7bb74ed6a6222fc1a882df894ba8e1e722d671aef37e35

Download Submit
memory/2216-4-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2216-20-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-14-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2216-18-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2216-16-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2216-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2216-10-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2216-8-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2216-6-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2216-25-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2472-70-0x00000000011D0000-0x000000000121E000-memory.dmp

Filesize
312KB

Download
memory/2484-59-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-80-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-28-0x0000000000EB0000-0x0000000000EFE000-memory.dmp

Filesize
312KB

Download
memory/2908-2-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-24-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-19-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/2908-1-0x0000000001350000-0x000000000139E000-memory.dmp

Filesize
312KB

Download
memory/2948-49-0x0000000000100000-0x000000000014E000-memory.dmp

Filesize
312KB

Download
memory/3052-38-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads