xworm | 28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b

General

Target

lunarium.exe
Size

150KB
MD5

d5c26e12be6264033efd9e5e0662a953
SHA1

e4570cecc53e5e916c06e38c62221f27af7a1225
SHA256

28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b
SHA512

adbb48ebda59c9b804ddaf4561a0679436987d6deef883d632f0eeb30adbc9c812f09eeefbbaef013f3139a5b6e3665af276a283c5ef73031861b49d01136b55
SSDEEP

3072:Ahd295oBFr9DnO/nk4NpVq8BxFRzaqF+o2GQJ7/JzqVfGvM:AaLonr9jgVqwlL

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

p-never.gl.at.ply.gg:57388

Mutex

EKx5toUcZoEkFlZt

Attributes

Install_directory
%AppData%
install_file
svchost.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1144-0-0x0000000000550000-0x000000000057C000-memory.dmp	family_xworm
C:\Users\Admin\AppData\Roaming\svchost.exe	family_xworm

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

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

440 powershell.exe
1956 powershell.exe
4884 powershell.exe
3944 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

Processes:

lunarium.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	lunarium.exe

Drops startup file 2 IoCs

Processes:

lunarium.exe

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

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

1608 svchost.exe
4204 svchost.exe

pid	process
1608	svchost.exe
4204	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

lunarium.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	lunarium.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3916 schtasks.exe

pid	process
3916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
440	powershell.exe
440	powershell.exe
1956	powershell.exe
1956	powershell.exe
4884	powershell.exe
4884	powershell.exe
3944	powershell.exe
3944	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

lunarium.exepowershell.exepowershell.exepowershell.exepowershell.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1144	lunarium.exe
Token: SeDebugPrivilege	440	powershell.exe
Token: SeDebugPrivilege	1956	powershell.exe
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeDebugPrivilege	3944	powershell.exe
Token: SeDebugPrivilege	1144	lunarium.exe
Token: SeDebugPrivilege	1608	svchost.exe
Token: SeDebugPrivilege	4204	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

lunarium.exe

description	pid	process	target process
PID 1144 wrote to memory of 440	1144	lunarium.exe	powershell.exe
PID 1144 wrote to memory of 440	1144	lunarium.exe	powershell.exe
PID 1144 wrote to memory of 1956	1144	lunarium.exe	powershell.exe
PID 1144 wrote to memory of 1956	1144	lunarium.exe	powershell.exe
PID 1144 wrote to memory of 4884	1144	lunarium.exe	powershell.exe
PID 1144 wrote to memory of 4884	1144	lunarium.exe	powershell.exe
PID 1144 wrote to memory of 3944	1144	lunarium.exe	powershell.exe
PID 1144 wrote to memory of 3944	1144	lunarium.exe	powershell.exe
PID 1144 wrote to memory of 3916	1144	lunarium.exe	schtasks.exe
PID 1144 wrote to memory of 3916	1144	lunarium.exe	schtasks.exe

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\lunarium.exe
"C:\Users\Admin\AppData\Local\Temp\lunarium.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144

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\lunarium.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:440

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'lunarium.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1956

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\svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4884

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3944

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Creates scheduled task(s)
PID:3916

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1608

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4204

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
da5c82b0e070047f7377042d08093ff4

SHA1
89d05987cd60828cca516c5c40c18935c35e8bd3

SHA256
77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5

SHA512
7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
04ddce359a8353bd883d4cee7818da70

SHA1
44dacc4a80b46756cb89f4bf57fbca2150f038e8

SHA256
3b72d1c85ce3457fec38d2d5b2e303268d2cfc6f4c2d98815cc2b9e7f1331190

SHA512
1721be1416146f8e7c8e32abd714bac36979cae7712e11ae58f27132b6949c5e5a86336eee26370142c8f9f2d190d44c414d94fa47588a0e5a555fb4bae38f1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cbvb4mni.4jp.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
150KB

MD5
d5c26e12be6264033efd9e5e0662a953

SHA1
e4570cecc53e5e916c06e38c62221f27af7a1225

SHA256
28c951715ea1f1e20db6e2694c8b9676837190d4ff1c49c6c9f7cb41b899a91b

SHA512
adbb48ebda59c9b804ddaf4561a0679436987d6deef883d632f0eeb30adbc9c812f09eeefbbaef013f3139a5b6e3665af276a283c5ef73031861b49d01136b55

Download Submit
memory/440-12-0x00007FF96E2F0000-0x00007FF96EDB1000-memory.dmp

Filesize
10.8MB

Download
memory/440-17-0x00007FF96E2F0000-0x00007FF96EDB1000-memory.dmp

Filesize
10.8MB

Download
memory/440-14-0x00007FF96E2F0000-0x00007FF96EDB1000-memory.dmp

Filesize
10.8MB

Download
memory/440-13-0x00007FF96E2F0000-0x00007FF96EDB1000-memory.dmp

Filesize
10.8MB

Download
memory/440-4-0x000002D40EF70000-0x000002D40EF92000-memory.dmp

Filesize
136KB

Download
memory/1144-0-0x0000000000550000-0x000000000057C000-memory.dmp

Filesize
176KB

Download
memory/1144-56-0x00007FF96E2F0000-0x00007FF96EDB1000-memory.dmp

Filesize
10.8MB

Download
memory/1144-57-0x00007FF96E2F3000-0x00007FF96E2F5000-memory.dmp

Filesize
8KB

Download
memory/1144-58-0x00007FF96E2F0000-0x00007FF96EDB1000-memory.dmp

Filesize
10.8MB

Download
memory/1144-59-0x0000000000D80000-0x0000000000D8C000-memory.dmp

Filesize
48KB

Download
memory/1144-1-0x00007FF96E2F3000-0x00007FF96E2F5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads