xworm | d3ad612b70e6d6cfcf75d28132d9d85e47579b532002e13f17acd597f13bc6a3

Analysis

max time kernel
137s
max time network
172s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
19-01-2025 13:21

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General

Target

Solara_Update.exe
Size

234KB
MD5

d1e76f6454d97b1b4bb21980abd9fc98
SHA1

03b224f0f11e3768f8c62fa02dde36a17aeb4a6a
SHA256

d3ad612b70e6d6cfcf75d28132d9d85e47579b532002e13f17acd597f13bc6a3
SHA512

70153899ae2ef5f0c9f2240cf3ae9f6d30921f2a27014dccf24883273caf9f1c1769f8992c23357e5dc460e243956a0949660d0ea96368518a2613c8651145fe
SSDEEP

6144:BzcIVyx+bmCmh/5iJbb2q7eGD6sGuS1j:BgV4mhIaqKc6L1j

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:22078

allows-announces.gl.at.ply.gg:22078

Attributes

Install_directory
%AppData%
install_file
Solara_Update.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2396-1-0x0000000000FB0000-0x0000000000FF0000-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 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4696	powershell.exe
2580	powershell.exe
3132	powershell.exe
3008	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-1-5-21-564748828-2201999071-3764224244-1000\Control Panel\International\Geo\Nation	Solara_Update.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Solara_Update.lnk	Solara_Update.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Solara_Update.lnk	Solara_Update.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-1-5-21-564748828-2201999071-3764224244-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Solara_Update = "C:\\Users\\Admin\\AppData\\Roaming\\Solara_Update.exe"	Solara_Update.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4696	powershell.exe
4696	powershell.exe
2580	powershell.exe
2580	powershell.exe
3132	powershell.exe
3132	powershell.exe
3008	powershell.exe
3008	powershell.exe
2396	Solara_Update.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	Solara_Update.exe
Token: SeDebugPrivilege	4696	powershell.exe
Token: SeIncreaseQuotaPrivilege	4696	powershell.exe
Token: SeSecurityPrivilege	4696	powershell.exe
Token: SeTakeOwnershipPrivilege	4696	powershell.exe
Token: SeLoadDriverPrivilege	4696	powershell.exe
Token: SeSystemProfilePrivilege	4696	powershell.exe
Token: SeSystemtimePrivilege	4696	powershell.exe
Token: SeProfSingleProcessPrivilege	4696	powershell.exe
Token: SeIncBasePriorityPrivilege	4696	powershell.exe
Token: SeCreatePagefilePrivilege	4696	powershell.exe
Token: SeBackupPrivilege	4696	powershell.exe
Token: SeRestorePrivilege	4696	powershell.exe
Token: SeShutdownPrivilege	4696	powershell.exe
Token: SeDebugPrivilege	4696	powershell.exe
Token: SeSystemEnvironmentPrivilege	4696	powershell.exe
Token: SeRemoteShutdownPrivilege	4696	powershell.exe
Token: SeUndockPrivilege	4696	powershell.exe
Token: SeManageVolumePrivilege	4696	powershell.exe
Token: 33	4696	powershell.exe
Token: 34	4696	powershell.exe
Token: 35	4696	powershell.exe
Token: 36	4696	powershell.exe
Token: SeDebugPrivilege	2580	powershell.exe
Token: SeIncreaseQuotaPrivilege	2580	powershell.exe
Token: SeSecurityPrivilege	2580	powershell.exe
Token: SeTakeOwnershipPrivilege	2580	powershell.exe
Token: SeLoadDriverPrivilege	2580	powershell.exe
Token: SeSystemProfilePrivilege	2580	powershell.exe
Token: SeSystemtimePrivilege	2580	powershell.exe
Token: SeProfSingleProcessPrivilege	2580	powershell.exe
Token: SeIncBasePriorityPrivilege	2580	powershell.exe
Token: SeCreatePagefilePrivilege	2580	powershell.exe
Token: SeBackupPrivilege	2580	powershell.exe
Token: SeRestorePrivilege	2580	powershell.exe
Token: SeShutdownPrivilege	2580	powershell.exe
Token: SeDebugPrivilege	2580	powershell.exe
Token: SeSystemEnvironmentPrivilege	2580	powershell.exe
Token: SeRemoteShutdownPrivilege	2580	powershell.exe
Token: SeUndockPrivilege	2580	powershell.exe
Token: SeManageVolumePrivilege	2580	powershell.exe
Token: 33	2580	powershell.exe
Token: 34	2580	powershell.exe
Token: 35	2580	powershell.exe
Token: 36	2580	powershell.exe
Token: SeDebugPrivilege	3132	powershell.exe
Token: SeIncreaseQuotaPrivilege	3132	powershell.exe
Token: SeSecurityPrivilege	3132	powershell.exe
Token: SeTakeOwnershipPrivilege	3132	powershell.exe
Token: SeLoadDriverPrivilege	3132	powershell.exe
Token: SeSystemProfilePrivilege	3132	powershell.exe
Token: SeSystemtimePrivilege	3132	powershell.exe
Token: SeProfSingleProcessPrivilege	3132	powershell.exe
Token: SeIncBasePriorityPrivilege	3132	powershell.exe
Token: SeCreatePagefilePrivilege	3132	powershell.exe
Token: SeBackupPrivilege	3132	powershell.exe
Token: SeRestorePrivilege	3132	powershell.exe
Token: SeShutdownPrivilege	3132	powershell.exe
Token: SeDebugPrivilege	3132	powershell.exe
Token: SeSystemEnvironmentPrivilege	3132	powershell.exe
Token: SeRemoteShutdownPrivilege	3132	powershell.exe
Token: SeUndockPrivilege	3132	powershell.exe
Token: SeManageVolumePrivilege	3132	powershell.exe
Token: 33	3132	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2396	Solara_Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2396	Solara_Update.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 4696	2396	Solara_Update.exe	84
PID 2396 wrote to memory of 4696	2396	Solara_Update.exe	84
PID 2396 wrote to memory of 2580	2396	Solara_Update.exe	87
PID 2396 wrote to memory of 2580	2396	Solara_Update.exe	87
PID 2396 wrote to memory of 3132	2396	Solara_Update.exe	89
PID 2396 wrote to memory of 3132	2396	Solara_Update.exe	89
PID 2396 wrote to memory of 3008	2396	Solara_Update.exe	91
PID 2396 wrote to memory of 3008	2396	Solara_Update.exe	91

C:\Users\Admin\AppData\Local\Temp\Solara_Update.exe
"C:\Users\Admin\AppData\Local\Temp\Solara_Update.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 FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2396
- 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\Solara_Update.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4696
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Solara_Update.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2580
- 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\Solara_Update.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3132
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Solara_Update.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3008

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x384 0x3f0
1⤵
PID:4880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\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
c67441dfa09f61bca500bb43407c56b8

SHA1
5a56cf7cbeb48c109e2128c31b681fac3959157b

SHA256
63082da456c124d0bc516d2161d1613db5f3008d903e4066d2c7b4e90b435f33

SHA512
325de8b718b3a01df05e20e028c5882240e5fd2e96c771361b776312923ff178f27494a1f5249bf6d7365a99155eb8735a51366e85597008e6a10462e63ee0e8

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

Filesize
1KB

MD5
0ebbb6601982de03c0e467092dcea244

SHA1
2618ea8bde543047063e8c222fc28069a2257912

SHA256
8985c0a0e906b970e974f2841ff37489f37f5a029cab6b9e1a86eda6406a0c45

SHA512
06aee5ff109b3ca33aab7fd33647ce8935ee04884c7115d7902c91376ca45ccfad4f63ae0184901c5cddf67f1759a2798e49a3744a81d794bd5b075b272e2721

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

Filesize
1KB

MD5
185dbe417e452d0607c62ea9e0e3e8da

SHA1
e4cf1b435b475789f23673ab08a02f038e6300d8

SHA256
b1d4799707faf4644cde616aa7f073c6e0141618fc2fe0fe61a4fa554b570c75

SHA512
5c148df3ed7ae8fcc8826eb400c8620f79d38cd34a1cbee1c9bd3c653a6b58ffd8ece3e5ff0c893e20b770ad4b8107653c1e005a5c9da41994099d556ba78472

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gud54vzw.pbz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_E5DBC4132966465192CECAA988877A30.dat

Filesize
940B

MD5
1a40a88bd471f822c5c8367dd947e8fe

SHA1
ba9e4c7ebb93b094ab9381a077499c83768a9c55

SHA256
2af8c73b03f53e4fe2c651e6969656085f8e339a81bdb9e6673ed55176c09aa6

SHA512
8b5e8574a38e4000e0e446f0b87f2db3e6a6f759cad6b8487048d5a3171b8dc46725e232aedaf8aba5f40abadc0c5af929da4600dadeae269808c31a42413410

Download Submit
memory/2396-59-0x00007FFE85530000-0x00007FFE85FF2000-memory.dmp

Filesize
10.8MB

Download
memory/2396-0-0x00007FFE85533000-0x00007FFE85535000-memory.dmp

Filesize
8KB

Download
memory/2396-1-0x0000000000FB0000-0x0000000000FF0000-memory.dmp

Filesize
256KB

Download
memory/2396-64-0x00000000030E0000-0x00000000030EA000-memory.dmp

Filesize
40KB

Download
memory/2396-63-0x000000001F210000-0x000000001F738000-memory.dmp

Filesize
5.2MB

Download
memory/2396-62-0x000000001DDC0000-0x000000001DE70000-memory.dmp

Filesize
704KB

Download
memory/2396-61-0x000000001BD90000-0x000000001BD9C000-memory.dmp

Filesize
48KB

Download
memory/2396-60-0x00007FFE85530000-0x00007FFE85FF2000-memory.dmp

Filesize
10.8MB

Download
memory/2396-54-0x00007FFE85533000-0x00007FFE85535000-memory.dmp

Filesize
8KB

Download
memory/4696-14-0x00007FFE85530000-0x00007FFE85FF2000-memory.dmp

Filesize
10.8MB

Download
memory/4696-11-0x0000021D10880000-0x0000021D108A2000-memory.dmp

Filesize
136KB

Download
memory/4696-12-0x00007FFE85530000-0x00007FFE85FF2000-memory.dmp

Filesize
10.8MB

Download
memory/4696-13-0x00007FFE85530000-0x00007FFE85FF2000-memory.dmp

Filesize
10.8MB

Download
memory/4696-15-0x00007FFE85530000-0x00007FFE85FF2000-memory.dmp

Filesize
10.8MB

Download
memory/4696-19-0x00007FFE85530000-0x00007FFE85FF2000-memory.dmp

Filesize
10.8MB

Download
memory/4696-16-0x00007FFE85530000-0x00007FFE85FF2000-memory.dmp

Filesize
10.8MB

Download