xworm | 30baa00474cb42d9587213111d41fe3aa906684c636a6df02de95dcbd89921d6

General

Target

SolaraX.exe
Size

80KB
MD5

d80d50b89892b3e8c3114fe4044df4c1
SHA1

c2853b4e989f698148fe09c317895d5da073bdf3
SHA256

30baa00474cb42d9587213111d41fe3aa906684c636a6df02de95dcbd89921d6
SHA512

3a25e6b9bf6f792dd25ed0d3da81504d5b2963ac060fbc62bee1767d6d760105649f5f3e7d357fa14c140d1eb716712e83a190cee489cf70edc71d31ce8855d1
SSDEEP

1536:GaapelDMF79xxpx+d+bJ6813qTBOv4O6PzO+EXPNUE:kYSRLxpEd+bJaBOMzO+EVp

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:34155

brand-caribbean.gl.at.ply.gg:34155

brand-caribbean.gl.at.ply.gg:34155:34155

Attributes

Install_directory
%AppData%
install_file
SolaraX.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/3768-1-0x0000000000610000-0x000000000062A000-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
4092	powershell.exe
2056	powershell.exe
2668	powershell.exe
4872	powershell.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

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-1-5-21-2786730451-600132509-465537259-1000\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
2248	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4092	powershell.exe
4092	powershell.exe
2056	powershell.exe
2056	powershell.exe
2668	powershell.exe
2668	powershell.exe
4872	powershell.exe
4872	powershell.exe
3768	SolaraX.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3768	SolaraX.exe
Token: SeDebugPrivilege	4092	powershell.exe
Token: SeDebugPrivilege	2056	powershell.exe
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	4872	powershell.exe
Token: SeDebugPrivilege	3768	SolaraX.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3768	SolaraX.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 4092	3768	SolaraX.exe	81
PID 3768 wrote to memory of 4092	3768	SolaraX.exe	81
PID 3768 wrote to memory of 2056	3768	SolaraX.exe	83
PID 3768 wrote to memory of 2056	3768	SolaraX.exe	83
PID 3768 wrote to memory of 2668	3768	SolaraX.exe	85
PID 3768 wrote to memory of 2668	3768	SolaraX.exe	85
PID 3768 wrote to memory of 4872	3768	SolaraX.exe	87
PID 3768 wrote to memory of 4872	3768	SolaraX.exe	87
PID 3768 wrote to memory of 2248	3768	SolaraX.exe	89
PID 3768 wrote to memory of 2248	3768	SolaraX.exe	89

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⤵
- 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:3768
- 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:4092
- 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:2056
- 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:2668
- 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:4872
- 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:2248

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

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
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

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

Filesize
944B

MD5
e07eea85a8893f23fb814cf4b3ed974c

SHA1
8a8125b2890bbddbfc3531d0ee4393dbbf5936fe

SHA256
83387ce468d717a7b4ba238af2273da873b731a13cc35604f775a31fa0ac70ea

SHA512
9d4808d8a261005391388b85da79e4c5396bdded6e7e5ce3a3a23e7359d1aa1fb983b4324f97e0afec6e8ed9d898322ca258dd7cda654456dd7e84c9cbd509df

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

Filesize
944B

MD5
80707036df540b6657f9d443b449e3c3

SHA1
b3e7d5d97274942164bf93c8c4b8a9b68713f46f

SHA256
6651e5f976619cef991deef61776cf43d4c4b3d7c551dd2192b647df71586ab0

SHA512
65e41e9e730fed4f7a7d3f6f35875a16948b897f87c8c70b371fd0ac7f0951814f6a75e7698665194bbc65a3665a684e7be229e7e24193b50483ae7e55eebf4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wvxtnsrk.g2h.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3768-1-0x0000000000610000-0x000000000062A000-memory.dmp

Filesize
104KB

Download
memory/3768-56-0x00007FFDAB210000-0x00007FFDABCD2000-memory.dmp

Filesize
10.8MB

Download
memory/3768-0-0x00007FFDAB213000-0x00007FFDAB215000-memory.dmp

Filesize
8KB

Download
memory/3768-55-0x00007FFDAB210000-0x00007FFDABCD2000-memory.dmp

Filesize
10.8MB

Download
memory/3768-54-0x00007FFDAB213000-0x00007FFDAB215000-memory.dmp

Filesize
8KB

Download
memory/4092-11-0x00007FFDAB210000-0x00007FFDABCD2000-memory.dmp

Filesize
10.8MB

Download
memory/4092-18-0x00007FFDAB210000-0x00007FFDABCD2000-memory.dmp

Filesize
10.8MB

Download
memory/4092-15-0x00007FFDAB210000-0x00007FFDABCD2000-memory.dmp

Filesize
10.8MB

Download
memory/4092-14-0x00007FFDAB210000-0x00007FFDABCD2000-memory.dmp

Filesize
10.8MB

Download
memory/4092-13-0x00007FFDAB210000-0x00007FFDABCD2000-memory.dmp

Filesize
10.8MB

Download
memory/4092-12-0x00007FFDAB210000-0x00007FFDABCD2000-memory.dmp

Filesize
10.8MB

Download
memory/4092-2-0x00000193C1E60000-0x00000193C1E82000-memory.dmp

Filesize
136KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads