xworm | 86ffe66472be6ff6bd7931001bf0bfcb5f88bd76bac7c5ae1b366c2d6234088f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2025, 08:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PO81025.exe
Size

551KB
MD5

5ed7cd000af88d1d45ab776014efc310
SHA1

90aafc2ab9d80ee249ec8ce2482156c2964e1231
SHA256

86ffe66472be6ff6bd7931001bf0bfcb5f88bd76bac7c5ae1b366c2d6234088f
SHA512

74a7ee091fd3d5e9ade00011874b8c7f216b06845925a174b44dc399ca8f435939c1607ea7ed75cc4329a8a0023a0fb5423dde05739bc78b19109c23a3dc95fd
SSDEEP

12288:0/Yp50g7ZeK50g72OVVyEqJUhkPbwoxC0WLU/1RQIXp0W:Jp5F7AK5F7PV8jJUhoC0WIdRZ

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

193.23.160.31:1760

Mutex

H1hx0NXdYm1SIVHw

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4812-47-0x0000000000400000-0x0000000000412000-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
528	powershell.exe
5068	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-1-5-21-22591836-1183090055-1220658180-1000\Control Panel\International\Geo\Nation	PO81025.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.

flow	ioc
32	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4892 set thread context of 4812	4892	PO81025.exe	101

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3824	4812	WerFault.exe	101

System Location Discovery: System Language Discovery 1 TTPs 5 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	PO81025.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO81025.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
4440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4892	PO81025.exe
5068	powershell.exe
528	powershell.exe
528	powershell.exe
4892	PO81025.exe
4892	PO81025.exe
4892	PO81025.exe
5068	powershell.exe
4892	PO81025.exe
528	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	PO81025.exe
Token: SeDebugPrivilege	5068	powershell.exe
Token: SeDebugPrivilege	528	powershell.exe
Token: SeDebugPrivilege	4812	PO81025.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 5068	4892	PO81025.exe	94
PID 4892 wrote to memory of 5068	4892	PO81025.exe	94
PID 4892 wrote to memory of 5068	4892	PO81025.exe	94
PID 4892 wrote to memory of 528	4892	PO81025.exe	96
PID 4892 wrote to memory of 528	4892	PO81025.exe	96
PID 4892 wrote to memory of 528	4892	PO81025.exe	96
PID 4892 wrote to memory of 4440	4892	PO81025.exe	98
PID 4892 wrote to memory of 4440	4892	PO81025.exe	98
PID 4892 wrote to memory of 4440	4892	PO81025.exe	98
PID 4892 wrote to memory of 1716	4892	PO81025.exe	100
PID 4892 wrote to memory of 1716	4892	PO81025.exe	100
PID 4892 wrote to memory of 1716	4892	PO81025.exe	100
PID 4892 wrote to memory of 4812	4892	PO81025.exe	101
PID 4892 wrote to memory of 4812	4892	PO81025.exe	101
PID 4892 wrote to memory of 4812	4892	PO81025.exe	101
PID 4892 wrote to memory of 4812	4892	PO81025.exe	101
PID 4892 wrote to memory of 4812	4892	PO81025.exe	101
PID 4892 wrote to memory of 4812	4892	PO81025.exe	101
PID 4892 wrote to memory of 4812	4892	PO81025.exe	101
PID 4892 wrote to memory of 4812	4892	PO81025.exe	101

C:\Users\Admin\AppData\Local\Temp\PO81025.exe
"C:\Users\Admin\AppData\Local\Temp\PO81025.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO81025.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5068
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nlqtEJTrYJYRHN.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:528
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nlqtEJTrYJYRHN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96D1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4440
- C:\Users\Admin\AppData\Local\Temp\PO81025.exe
  "C:\Users\Admin\AppData\Local\Temp\PO81025.exe"
  2⤵
  PID:1716
- C:\Users\Admin\AppData\Local\Temp\PO81025.exe
  "C:\Users\Admin\AppData\Local\Temp\PO81025.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1712
    3⤵
    - Program crash
    PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4812 -ip 4812
1⤵
PID:1020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
59b6f38712e70c92f33bb2370500d911

SHA1
273a7540edb9d589f5f73175052e7acbf9974455

SHA256
38667622d980cd4576c2631419f9ef34e84bcb72a0cd6c5c8acd44e44c724fe0

SHA512
1bceb2af7aeacfd8601b8c172c4932c2e90fb75cdab6a4b809ab48268c197f8414447a9d4b3e0e14dff36d6fbccbce6d9b0f99ca499c8aba787f00f00a14c69d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_unb1ggqo.oyt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp96D1.tmp

Filesize
1KB

MD5
46d06910f84270b6b0204f7151407ed0

SHA1
ab05c835bd4c9bd4485bb18e973f8787949410b9

SHA256
bf15f036fa6e9a1c6a985d14361beeeeb8a8c8a18d39c4bb3c9d7332bb13add6

SHA512
64231f41f5cf5ebd6badb9c39e28b7272ab4e45501b6b9cb301eae194b70bac076a777a674d16be565d34580d9a1860b3f4d2402dbe0a6ebf0cd94f2946e86e1

Download Submit
memory/528-37-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/528-46-0x0000000005860000-0x0000000005BB4000-memory.dmp

Filesize
3.3MB

Download
memory/528-75-0x00000000077A0000-0x0000000007E1A000-memory.dmp

Filesize
6.5MB

Download
memory/528-77-0x00000000071D0000-0x00000000071DA000-memory.dmp

Filesize
40KB

Download
memory/528-78-0x00000000073E0000-0x0000000007476000-memory.dmp

Filesize
600KB

Download
memory/528-36-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/528-54-0x0000000075750000-0x000000007579C000-memory.dmp

Filesize
304KB

Download
memory/528-23-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/528-22-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/528-90-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/528-79-0x0000000007360000-0x0000000007371000-memory.dmp

Filesize
68KB

Download
memory/528-80-0x0000000007390000-0x000000000739E000-memory.dmp

Filesize
56KB

Download
memory/4812-47-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4892-9-0x00000000070E0000-0x00000000070F8000-memory.dmp

Filesize
96KB

Download
memory/4892-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/4892-11-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4892-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

Filesize
5.6MB

Download
memory/4892-10-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/4892-3-0x0000000005730000-0x00000000057C2000-memory.dmp

Filesize
584KB

Download
memory/4892-5-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4892-12-0x0000000006AA0000-0x0000000006AF6000-memory.dmp

Filesize
344KB

Download
memory/4892-1-0x0000000000CE0000-0x0000000000D70000-memory.dmp

Filesize
576KB

Download
memory/4892-4-0x0000000005870000-0x000000000590C000-memory.dmp

Filesize
624KB

Download
memory/4892-49-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4892-8-0x0000000006FF0000-0x000000000700E000-memory.dmp

Filesize
120KB

Download
memory/4892-7-0x0000000007020000-0x0000000007096000-memory.dmp

Filesize
472KB

Download
memory/4892-6-0x00000000057E0000-0x00000000057EA000-memory.dmp

Filesize
40KB

Download
memory/5068-30-0x0000000005CE0000-0x0000000005D02000-memory.dmp

Filesize
136KB

Download
memory/5068-53-0x0000000075750000-0x000000007579C000-memory.dmp

Filesize
304KB

Download
memory/5068-72-0x0000000006A30000-0x0000000006A4E000-memory.dmp

Filesize
120KB

Download
memory/5068-74-0x0000000007660000-0x0000000007703000-memory.dmp

Filesize
652KB

Download
memory/5068-52-0x0000000007620000-0x0000000007652000-memory.dmp

Filesize
200KB

Download
memory/5068-76-0x0000000007790000-0x00000000077AA000-memory.dmp

Filesize
104KB

Download
memory/5068-51-0x0000000006490000-0x00000000064DC000-memory.dmp

Filesize
304KB

Download
memory/5068-50-0x0000000006450000-0x000000000646E000-memory.dmp

Filesize
120KB

Download
memory/5068-21-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/5068-20-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/5068-81-0x00000000079D0000-0x00000000079E4000-memory.dmp

Filesize
80KB

Download
memory/5068-82-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/5068-83-0x0000000007AB0000-0x0000000007AB8000-memory.dmp

Filesize
32KB

Download
memory/5068-19-0x0000000005540000-0x0000000005B68000-memory.dmp

Filesize
6.2MB

Download
memory/5068-18-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/5068-17-0x0000000004ED0000-0x0000000004F06000-memory.dmp

Filesize
216KB

Download
memory/5068-89-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download