xworm | 61e0250d7585faa901f962413c54dcf8f3581d36b602dcabce648c3576b36b42

General

Target

YandexMusic Cracked.exe
Size

134KB
MD5

6f343370d2bc92e052ae1828346e9078
SHA1

b3efaf4c1056573b072572fdbd4b97c1c8ed6a1f
SHA256

61e0250d7585faa901f962413c54dcf8f3581d36b602dcabce648c3576b36b42
SHA512

c559f7e319bad1342c38dc56d778171b0acd2e5a57d59721f4d8e65a3179032cba755caf81faf20c1b6c04ef1d1bfea2cf27aa542562cc5879b7faaa05d1a01e
SSDEEP

1536:nnIFNFAUlDKbpIAG1x0lbRRbxEnw07Xmkgm6hDmNOt68o8X:nI5Kbp5GYlbRR1CcKNOtH/

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:23184

may-transmit.gl.at.ply.gg:23184

Attributes

Install_directory
%ProgramData%
install_file
Svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2456-1-0x0000000000680000-0x00000000006A8000-memory.dmp	family_xworm
C:\ProgramData\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

1640 powershell.exe
2396 powershell.exe
5092 powershell.exe
4884 powershell.exe

pid	process
1640	powershell.exe
2396	powershell.exe
5092	powershell.exe
4884	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:

YandexMusic Cracked.exe

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

Drops startup file 2 IoCs

Processes:

YandexMusic Cracked.exe

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

Executes dropped EXE 2 IoCs

Processes:

Svchost.exeSvchost.exe

pid process

2472 Svchost.exe
1852 Svchost.exe

pid	process
2472	Svchost.exe
1852	Svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

YandexMusic Cracked.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Svchost = "C:\\ProgramData\\Svchost.exe"	YandexMusic Cracked.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.

Processes:

flow ioc

2 ip-api.com
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

3044 schtasks.exe

flow	ioc
2	ip-api.com

pid	process
3044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
2396	powershell.exe
2396	powershell.exe
5092	powershell.exe
5092	powershell.exe
4884	powershell.exe
4884	powershell.exe
1640	powershell.exe
1640	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

YandexMusic Cracked.exepowershell.exepowershell.exepowershell.exepowershell.exeSvchost.exeSvchost.exe

description	pid	process
Token: SeDebugPrivilege	2456	YandexMusic Cracked.exe
Token: SeDebugPrivilege	2396	powershell.exe
Token: SeDebugPrivilege	5092	powershell.exe
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeDebugPrivilege	1640	powershell.exe
Token: SeDebugPrivilege	2456	YandexMusic Cracked.exe
Token: SeDebugPrivilege	2472	Svchost.exe
Token: SeDebugPrivilege	1852	Svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

YandexMusic Cracked.exe

description	pid	process	target process
PID 2456 wrote to memory of 2396	2456	YandexMusic Cracked.exe	powershell.exe
PID 2456 wrote to memory of 2396	2456	YandexMusic Cracked.exe	powershell.exe
PID 2456 wrote to memory of 5092	2456	YandexMusic Cracked.exe	powershell.exe
PID 2456 wrote to memory of 5092	2456	YandexMusic Cracked.exe	powershell.exe
PID 2456 wrote to memory of 4884	2456	YandexMusic Cracked.exe	powershell.exe
PID 2456 wrote to memory of 4884	2456	YandexMusic Cracked.exe	powershell.exe
PID 2456 wrote to memory of 1640	2456	YandexMusic Cracked.exe	powershell.exe
PID 2456 wrote to memory of 1640	2456	YandexMusic Cracked.exe	powershell.exe
PID 2456 wrote to memory of 3044	2456	YandexMusic Cracked.exe	schtasks.exe
PID 2456 wrote to memory of 3044	2456	YandexMusic Cracked.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\YandexMusic Cracked.exe
"C:\Users\Admin\AppData\Local\Temp\YandexMusic Cracked.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2456

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\YandexMusic Cracked.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2396

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'YandexMusic Cracked.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5092

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\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:1640

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Svchost" /tr "C:\ProgramData\Svchost.exe"
2⤵
- Creates scheduled task(s)
PID:3044

C:\ProgramData\Svchost.exe
C:\ProgramData\Svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2472

C:\ProgramData\Svchost.exe
C:\ProgramData\Svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1852

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:\ProgramData\Svchost.exe
Filesize
134KB

MD5
6f343370d2bc92e052ae1828346e9078

SHA1
b3efaf4c1056573b072572fdbd4b97c1c8ed6a1f

SHA256
61e0250d7585faa901f962413c54dcf8f3581d36b602dcabce648c3576b36b42

SHA512
c559f7e319bad1342c38dc56d778171b0acd2e5a57d59721f4d8e65a3179032cba755caf81faf20c1b6c04ef1d1bfea2cf27aa542562cc5879b7faaa05d1a01e

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\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\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

MD5
ce4540390cc4841c8973eb5a3e9f4f7d

SHA1
2293f30a6f4c9538bc5b06606c10a50ab4ecef8e

SHA256
e834e1da338b9644d538cefd70176768816da2556939c1255d386931bd085105

SHA512
2a3e466cb5a81d2b65256053b768a98321eb3e65ff46353eefc9864f14a391748116f050e7482ddd73a51575bf0a6fc5c673023dade62dbd8b174442bae1cc6b

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

MD5
67e8893616f805af2411e2f4a1411b2a

SHA1
39bf1e1a0ddf46ce7c136972120f512d92827dcd

SHA256
ca0dfe104c1bf27f7e01999fcdabc16c6400c3da937c832c26bdbca322381d31

SHA512
164e911a9935e75c8be1a6ec3d31199a16ba2a1064da6c09d771b2a38dd7fddd142301ef55d67d90f306d3a454a1ce7b72e129ea42e44500b9b8c623a8d98b4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a4oxqujv.js2.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2396-17-0x00007FFF7CB10000-0x00007FFF7D5D1000-memory.dmp

Filesize
10.8MB

Download
memory/2396-14-0x00007FFF7CB10000-0x00007FFF7D5D1000-memory.dmp

Filesize
10.8MB

Download
memory/2396-13-0x00007FFF7CB10000-0x00007FFF7D5D1000-memory.dmp

Filesize
10.8MB

Download
memory/2396-3-0x000001EF50360000-0x000001EF50382000-memory.dmp

Filesize
136KB

Download
memory/2456-1-0x0000000000680000-0x00000000006A8000-memory.dmp

Filesize
160KB

Download
memory/2456-56-0x00007FFF7CB10000-0x00007FFF7D5D1000-memory.dmp

Filesize
10.8MB

Download
memory/2456-2-0x00007FFF7CB10000-0x00007FFF7D5D1000-memory.dmp

Filesize
10.8MB

Download
memory/2456-0-0x00007FFF7CB13000-0x00007FFF7CB15000-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