xworm | 2b56e825cc2e772bc4fc4ba70da59ecdb9ff305982bcef1af9f577ff6cd07875

Analysis

max time kernel
35s
max time network
150s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
11/05/2023, 08:16

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General

Target
confirmation.exe
Size 1.2MB
Sample230511-j55jcaed3t
SHA256 2b56e825cc2e772bc4fc4ba70da59ecdb9ff305982bcef1af9f577ff6cd07875
MD5 7a6d17a799821dfcccf27ece2f4dfffc
SHA1 14ea103b91082e2f89c2c6c5ff8a5475e22ab331
SHA512 ccdde7e1a8b497d5f666034e699bd0418159439ee2bff66e2df55564e1120fdec7464907b16de10b9d2410a13a115cc2b7e82adf7920e8f4ad355167f02e8df0
SSDEEP 24576:wBdtHRL5sgP5+LZ5Wc25Wjndr1bUA+hGZ6jEsQR83f:yHl5+L85WjZS4
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

xwormpeople.duckdns.org:7000

Mutex

lqHiCcisdZrYRJnL

Attributes

install_file
USB.exe

aes.plain

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vpvysmb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Bilqe\\Vpvysmb.exe\""	confirmation.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 820 set thread context of 1008	820	confirmation.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1008	confirmation.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	820	confirmation.exe
Token: SeDebugPrivilege	1008	confirmation.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1008	confirmation.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 1008	820	confirmation.exe	27
PID 820 wrote to memory of 1008	820	confirmation.exe	27
PID 820 wrote to memory of 1008	820	confirmation.exe	27
PID 820 wrote to memory of 1008	820	confirmation.exe	27
PID 820 wrote to memory of 1008	820	confirmation.exe	27
PID 820 wrote to memory of 1008	820	confirmation.exe	27
PID 820 wrote to memory of 1008	820	confirmation.exe	27
PID 820 wrote to memory of 1008	820	confirmation.exe	27
PID 820 wrote to memory of 1008	820	confirmation.exe	27

C:\Users\Admin\AppData\Local\Temp\confirmation.exe
"C:\Users\Admin\AppData\Local\Temp\confirmation.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:820
- C:\Users\Admin\AppData\Local\Temp\confirmation.exe
  C:\Users\Admin\AppData\Local\Temp\confirmation.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/820-54-0x0000000000F80000-0x00000000010B8000-memory.dmp

Download

memory/820-55-0x0000000000620000-0x0000000000708000-memory.dmp

Download

memory/820-56-0x0000000000480000-0x000000000048A000-memory.dmp

Download

memory/820-57-0x0000000000490000-0x0000000000522000-memory.dmp

Download

memory/820-58-0x0000000004BD0000-0x0000000004C10000-memory.dmp

Download

memory/1008-60-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1008-61-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1008-62-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1008-63-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1008-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Download

memory/1008-65-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1008-67-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1008-69-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1008-70-0x0000000004B20000-0x0000000004B60000-memory.dmp

Download

memory/1008-71-0x0000000004B20000-0x0000000004B60000-memory.dmp

Download