xworm | c352c942b6df33510094c7100fb9d48e36b8e1e2af40a60ccc360b58721c2390

General

Target

15415145.exe
Size

59KB
MD5

6c091ad6fae0fa76f44870d1a1b05cb4
SHA1

040f60c0ee3f4902f919025057e34ab4d11b1abd
SHA256

c352c942b6df33510094c7100fb9d48e36b8e1e2af40a60ccc360b58721c2390
SHA512

3a414f40f99e5847d9631c4ac1143c76e77db7ae42dd8c7aed2ebf1742ec73bb802d54d6cbde3b04f6b894a4cf731aa4e9dbad95166bade13f787b489d8e8d86
SSDEEP

1536:skyZtyUQ8sBkROLW+UzbTH3gfm2qt0OgSko7:skItfQ8sBkROUzbTQf+6OgK7

Score

10^/10

xworm persistence ransomware rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

known-savage.gl.at.ply.gg:45116

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4016-1-0x0000000000C90000-0x0000000000CA6000-memory.dmp	family_xworm
behavioral2/files/0x0007000000027d88-8.dat	family_xworm

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

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-1-5-21-2501448743-3279416841-701563739-1000\Control Panel\International\Geo\Nation	15415145.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\15415145.lnk	15415145.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\15415145.lnk	15415145.exe

Executes dropped EXE 15 IoCs

pid	Process
1624	15415145.exe
3800	15415145.exe
4540	15415145.exe
4964	15415145.exe
344	15415145.exe
2980	15415145.exe
840	15415145.exe
2540	15415145.exe
1032	15415145.exe
1556	15415145.exe
4280	15415145.exe
3444	15415145.exe
1080	15415145.exe
996	15415145.exe
2460	15415145.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-1-5-21-2501448743-3279416841-701563739-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\15415145 = "C:\\Users\\Admin\\AppData\\Roaming\\15415145.exe"	15415145.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2501448743-3279416841-701563739-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Downloads\\hq720.jpg"	15415145.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
1104	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2028	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2028	vlc.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	15415145.exe
Token: SeDebugPrivilege	4016	15415145.exe
Token: SeDebugPrivilege	1624	15415145.exe
Token: SeDebugPrivilege	3800	15415145.exe
Token: SeDebugPrivilege	4540	15415145.exe
Token: SeDebugPrivilege	4964	15415145.exe
Token: SeDebugPrivilege	344	15415145.exe
Token: SeDebugPrivilege	2980	15415145.exe
Token: SeDebugPrivilege	840	15415145.exe
Token: SeDebugPrivilege	2540	15415145.exe
Token: SeDebugPrivilege	1032	15415145.exe
Token: SeDebugPrivilege	1556	15415145.exe
Token: SeDebugPrivilege	4280	15415145.exe
Token: SeDebugPrivilege	3444	15415145.exe
Token: SeDebugPrivilege	1080	15415145.exe
Token: SeDebugPrivilege	996	15415145.exe
Token: SeDebugPrivilege	2460	15415145.exe

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe

Suspicious use of SendNotifyMessage 9 IoCs

pid	Process
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe
2028	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2028	vlc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 1104	4016	15415145.exe	88
PID 4016 wrote to memory of 1104	4016	15415145.exe	88

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\15415145.exe
"C:\Users\Admin\AppData\Local\Temp\15415145.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Sets desktop wallpaper using registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4016
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "15415145" /tr "C:\Users\Admin\AppData\Roaming\15415145.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1104

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1624

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3800

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4540

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\TestExport.DVR-MS"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2028

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4964

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:344

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2980

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:840

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2540

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1032

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1556

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4280

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3444

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1080

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:996

C:\Users\Admin\AppData\Roaming\15415145.exe
"C:\Users\Admin\AppData\Roaming\15415145.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

2

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\15415145.exe.log

Filesize
654B

MD5
11c6e74f0561678d2cf7fc075a6cc00c

SHA1
535ee79ba978554abcb98c566235805e7ea18490

SHA256
d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63

SHA512
32c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0

Download Submit
C:\Users\Admin\AppData\Roaming\15415145.exe

Filesize
59KB

MD5
6c091ad6fae0fa76f44870d1a1b05cb4

SHA1
040f60c0ee3f4902f919025057e34ab4d11b1abd

SHA256
c352c942b6df33510094c7100fb9d48e36b8e1e2af40a60ccc360b58721c2390

SHA512
3a414f40f99e5847d9631c4ac1143c76e77db7ae42dd8c7aed2ebf1742ec73bb802d54d6cbde3b04f6b894a4cf731aa4e9dbad95166bade13f787b489d8e8d86

Download Submit
C:\Users\Admin\Downloads\hq720.jpg

Filesize
34KB

MD5
aff47e2ff9fd81e497ad71efbf98b7e4

SHA1
68b73e03e1091d17bdc6238ee09bbc3921f7763e

SHA256
ba41153adb3da20812546fd66b993dfe27e26ad8daba0da8f92c9abf5ed146b9

SHA512
6d8a4c9f3f9899ac16024389f04c8b75c6c9a1f3af06ed8af3e73134a01879cd536b0739ef5b4718e932a889d109a817d7728200f0ef40125821817eef110343

Download Submit
memory/1624-19-0x00007FFC041D0000-0x00007FFC04C92000-memory.dmp

Filesize
10.8MB

Download
memory/1624-16-0x00007FFC041D0000-0x00007FFC04C92000-memory.dmp

Filesize
10.8MB

Download
memory/2028-50-0x00007FFBF8CD0000-0x00007FFBF9D80000-memory.dmp

Filesize
16.7MB

Download
memory/2028-49-0x00007FFBFCE90000-0x00007FFBFD146000-memory.dmp

Filesize
2.7MB

Download
memory/2028-48-0x00007FFC14070000-0x00007FFC140A4000-memory.dmp

Filesize
208KB

Download
memory/2028-47-0x00007FF7EF710000-0x00007FF7EF808000-memory.dmp

Filesize
992KB

Download
memory/4016-11-0x00007FFC041D3000-0x00007FFC041D5000-memory.dmp

Filesize
8KB

Download
memory/4016-17-0x000000001DD80000-0x000000001E2A8000-memory.dmp

Filesize
5.2MB

Download
memory/4016-13-0x000000001C500000-0x000000001C50E000-memory.dmp

Filesize
56KB

Download
memory/4016-12-0x00007FFC041D0000-0x00007FFC04C92000-memory.dmp

Filesize
10.8MB

Download
memory/4016-0-0x00007FFC041D3000-0x00007FFC041D5000-memory.dmp

Filesize
8KB

Download
memory/4016-10-0x00007FFC041D0000-0x00007FFC04C92000-memory.dmp

Filesize
10.8MB

Download
memory/4016-1-0x0000000000C90000-0x0000000000CA6000-memory.dmp

Filesize
88KB

Download
memory/4016-51-0x0000000001310000-0x0000000001392000-memory.dmp

Filesize
520KB

Download
memory/4016-53-0x00000000012F0000-0x00000000012FA000-memory.dmp

Filesize
40KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads