xworm | 834bcea2665dc99b4c16fe87095f3e2b44e2e013ec1017407a061a1203c2f3cf

Analysis

max time kernel
147s
max time network
149s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250217-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
02/03/2025, 01:24

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General

Target

SolaraX.exe
Size

74KB
MD5

aef41983064b12d1e648100e8141bf19
SHA1

b258d4a810e818e9c9dcaba62f75f34036b60fcd
SHA256

834bcea2665dc99b4c16fe87095f3e2b44e2e013ec1017407a061a1203c2f3cf
SHA512

2e4e3fdf7cd1892b73cf1989dfd82d91c677653a4501f44bb2d74b153b72982e069998b5bef097a7645970838c13ac86ec546173f6baf3afb7cbc26e6c9d5524
SSDEEP

1536:CSwcF9ZPLxJfu4OjKOd5fbLioM5706leROrV3P7UN:dwcF9ZPG4O+Od5fbLilveROrpw

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:34930

minimum-ball.gl.at.ply.gg:34930

Attributes

Install_directory
%AppData%
install_file
SolaraX.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1820-1-0x0000000000760000-0x0000000000778000-memory.dmp	family_xworm
behavioral1/files/0x0009000000027e8c-60.dat	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 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2524	powershell.exe
460	powershell.exe
4700	powershell.exe
2256	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-1-5-21-3452737631-513087862-588053281-1000\Control Panel\International\Geo\Nation	SolaraX.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
2684	SolaraX.exe
2764	SolaraX.exe
3400	SolaraX.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-1-5-21-3452737631-513087862-588053281-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SolaraX = "C:\\Users\\Admin\\AppData\\Roaming\\SolaraX.exe"	SolaraX.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
3636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2524	powershell.exe
2524	powershell.exe
460	powershell.exe
460	powershell.exe
4700	powershell.exe
4700	powershell.exe
2256	powershell.exe
2256	powershell.exe
1820	SolaraX.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	SolaraX.exe
Token: SeDebugPrivilege	2524	powershell.exe
Token: SeIncreaseQuotaPrivilege	2524	powershell.exe
Token: SeSecurityPrivilege	2524	powershell.exe
Token: SeTakeOwnershipPrivilege	2524	powershell.exe
Token: SeLoadDriverPrivilege	2524	powershell.exe
Token: SeSystemProfilePrivilege	2524	powershell.exe
Token: SeSystemtimePrivilege	2524	powershell.exe
Token: SeProfSingleProcessPrivilege	2524	powershell.exe
Token: SeIncBasePriorityPrivilege	2524	powershell.exe
Token: SeCreatePagefilePrivilege	2524	powershell.exe
Token: SeBackupPrivilege	2524	powershell.exe
Token: SeRestorePrivilege	2524	powershell.exe
Token: SeShutdownPrivilege	2524	powershell.exe
Token: SeDebugPrivilege	2524	powershell.exe
Token: SeSystemEnvironmentPrivilege	2524	powershell.exe
Token: SeRemoteShutdownPrivilege	2524	powershell.exe
Token: SeUndockPrivilege	2524	powershell.exe
Token: SeManageVolumePrivilege	2524	powershell.exe
Token: 33	2524	powershell.exe
Token: 34	2524	powershell.exe
Token: 35	2524	powershell.exe
Token: 36	2524	powershell.exe
Token: SeDebugPrivilege	460	powershell.exe
Token: SeIncreaseQuotaPrivilege	460	powershell.exe
Token: SeSecurityPrivilege	460	powershell.exe
Token: SeTakeOwnershipPrivilege	460	powershell.exe
Token: SeLoadDriverPrivilege	460	powershell.exe
Token: SeSystemProfilePrivilege	460	powershell.exe
Token: SeSystemtimePrivilege	460	powershell.exe
Token: SeProfSingleProcessPrivilege	460	powershell.exe
Token: SeIncBasePriorityPrivilege	460	powershell.exe
Token: SeCreatePagefilePrivilege	460	powershell.exe
Token: SeBackupPrivilege	460	powershell.exe
Token: SeRestorePrivilege	460	powershell.exe
Token: SeShutdownPrivilege	460	powershell.exe
Token: SeDebugPrivilege	460	powershell.exe
Token: SeSystemEnvironmentPrivilege	460	powershell.exe
Token: SeRemoteShutdownPrivilege	460	powershell.exe
Token: SeUndockPrivilege	460	powershell.exe
Token: SeManageVolumePrivilege	460	powershell.exe
Token: 33	460	powershell.exe
Token: 34	460	powershell.exe
Token: 35	460	powershell.exe
Token: 36	460	powershell.exe
Token: SeDebugPrivilege	4700	powershell.exe
Token: SeIncreaseQuotaPrivilege	4700	powershell.exe
Token: SeSecurityPrivilege	4700	powershell.exe
Token: SeTakeOwnershipPrivilege	4700	powershell.exe
Token: SeLoadDriverPrivilege	4700	powershell.exe
Token: SeSystemProfilePrivilege	4700	powershell.exe
Token: SeSystemtimePrivilege	4700	powershell.exe
Token: SeProfSingleProcessPrivilege	4700	powershell.exe
Token: SeIncBasePriorityPrivilege	4700	powershell.exe
Token: SeCreatePagefilePrivilege	4700	powershell.exe
Token: SeBackupPrivilege	4700	powershell.exe
Token: SeRestorePrivilege	4700	powershell.exe
Token: SeShutdownPrivilege	4700	powershell.exe
Token: SeDebugPrivilege	4700	powershell.exe
Token: SeSystemEnvironmentPrivilege	4700	powershell.exe
Token: SeRemoteShutdownPrivilege	4700	powershell.exe
Token: SeUndockPrivilege	4700	powershell.exe
Token: SeManageVolumePrivilege	4700	powershell.exe
Token: 33	4700	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1820	SolaraX.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2524	1820	SolaraX.exe	86
PID 1820 wrote to memory of 2524	1820	SolaraX.exe	86
PID 1820 wrote to memory of 460	1820	SolaraX.exe	91
PID 1820 wrote to memory of 460	1820	SolaraX.exe	91
PID 1820 wrote to memory of 4700	1820	SolaraX.exe	93
PID 1820 wrote to memory of 4700	1820	SolaraX.exe	93
PID 1820 wrote to memory of 2256	1820	SolaraX.exe	95
PID 1820 wrote to memory of 2256	1820	SolaraX.exe	95
PID 1820 wrote to memory of 3636	1820	SolaraX.exe	98
PID 1820 wrote to memory of 3636	1820	SolaraX.exe	98

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\SolaraX.exe
"C:\Users\Admin\AppData\Local\Temp\SolaraX.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:1820
- 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\SolaraX.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2524
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SolaraX.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:460
- 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\Roaming\SolaraX.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4700
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SolaraX.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:2256
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SolaraX" /tr "C:\Users\Admin\AppData\Roaming\SolaraX.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3636

C:\Users\Admin\AppData\Roaming\SolaraX.exe
"C:\Users\Admin\AppData\Roaming\SolaraX.exe"
1⤵
- Executes dropped EXE
PID:2684

C:\Users\Admin\AppData\Roaming\SolaraX.exe
"C:\Users\Admin\AppData\Roaming\SolaraX.exe"
1⤵
- Executes dropped EXE
PID:2764

C:\Users\Admin\AppData\Roaming\SolaraX.exe
"C:\Users\Admin\AppData\Roaming\SolaraX.exe"
1⤵
- Executes dropped EXE
PID:3400

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

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

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Downloads

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

Filesize
654B

MD5
11c6e74f0561678d2cf7fc075a6cc00c

SHA1
535ee79ba978554abcb98c566235805e7ea18490

SHA256
d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63

SHA512
32c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0

Download Submit
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
60b3262c3163ee3d466199160b9ed07d

SHA1
994ece4ea4e61de0be2fdd580f87e3415f9e1ff6

SHA256
e3b30f16d41f94cba2b8a75f35c91ae7418465abfbfe5477ec0551d1952b2fdb

SHA512
081d2015cb94477eb0fbc38f44b6d9b4a3204fb3ad0b7d0e146a88ab4ab9a0d475207f1adae03f4a81ccc5beb7568dc8be1249f69e32fe56efd9ee2f6ee3b1af

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

Filesize
1KB

MD5
b98d6527b59a6ce74ee1debe99874bf8

SHA1
bd6a6b0480f7195743baad430af3bea3ae873921

SHA256
4327bd56e3c8f3dc8810da66190483589a91a64cff2997321e0f78bf0c3a2100

SHA512
a345396544f241bb8f2839ae36c385ac568e1e36bf0b1a6863d4fbaa11212876896cc899cd4aa096a19bc8db09ead46564285842afc3925bfa4cf71ba7046269

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

Filesize
1KB

MD5
e67d0f3386b5eb2133c7ff284e40d48b

SHA1
c1e938fa93335f819ddd58b22be525390cf9e419

SHA256
9dc23d83ab9d433058538a9ea0522d882c7f1cf1da022b795408a9b2387b4a2e

SHA512
ba915eeeafad1cf68a14ce1eba84185f292dd6d6687d11c74a4f505241854890997604387381c142f6e42eb92a7f68cbf3c90066f3253b8a58425e472d75e849

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m2zvwoey.xjo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
74KB

MD5
aef41983064b12d1e648100e8141bf19

SHA1
b258d4a810e818e9c9dcaba62f75f34036b60fcd

SHA256
834bcea2665dc99b4c16fe87095f3e2b44e2e013ec1017407a061a1203c2f3cf

SHA512
2e4e3fdf7cd1892b73cf1989dfd82d91c677653a4501f44bb2d74b153b72982e069998b5bef097a7645970838c13ac86ec546173f6baf3afb7cbc26e6c9d5524

Download Submit
memory/1820-1-0x0000000000760000-0x0000000000778000-memory.dmp

Filesize
96KB

Download
memory/1820-0-0x00007FFA8C843000-0x00007FFA8C845000-memory.dmp

Filesize
8KB

Download
memory/1820-63-0x00007FFA8C840000-0x00007FFA8D302000-memory.dmp

Filesize
10.8MB

Download
memory/1820-59-0x00007FFA8C840000-0x00007FFA8D302000-memory.dmp

Filesize
10.8MB

Download
memory/1820-58-0x00007FFA8C843000-0x00007FFA8C845000-memory.dmp

Filesize
8KB

Download
memory/2524-12-0x00007FFA8C840000-0x00007FFA8D302000-memory.dmp

Filesize
10.8MB

Download
memory/2524-19-0x00007FFA8C840000-0x00007FFA8D302000-memory.dmp

Filesize
10.8MB

Download
memory/2524-16-0x00007FFA8C840000-0x00007FFA8D302000-memory.dmp

Filesize
10.8MB

Download
memory/2524-15-0x00007FFA8C840000-0x00007FFA8D302000-memory.dmp

Filesize
10.8MB

Download
memory/2524-14-0x00007FFA8C840000-0x00007FFA8D302000-memory.dmp

Filesize
10.8MB

Download
memory/2524-13-0x00007FFA8C840000-0x00007FFA8D302000-memory.dmp

Filesize
10.8MB

Download
memory/2524-2-0x000001BD74530000-0x000001BD74552000-memory.dmp

Filesize
136KB

Download