xworm | c94ed5203e2b65f5c0a198eff5a9d2d5b63d28a10dd5cf7f02997699b3ed3b41

Analysis

max time kernel
142s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 09:41

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General

Target

2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe
Size

2.7MB
MD5

22403a447a2ad298ac6c0ae3411ccf6e
SHA1

048d197addc2fc6b21396ae59a2356f73c6849ed
SHA256

c94ed5203e2b65f5c0a198eff5a9d2d5b63d28a10dd5cf7f02997699b3ed3b41
SHA512

430f4c95d67170dfe6cd8128a7af162fdd4465f1749700be386856ca44854405ea8c8ad56402c812410e84d97e9fdae7e272e6a694bb88333f0a9971520bc7c8
SSDEEP

49152:N2Lw7+OiV22jWCFYz1d1AdtTySZf0K8lf/e:ELwSinsNZMblf/e

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

dost.mywire.org:7010

Mutex

Yv71yT1nY7oEZ9x1

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2808-9-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2808-7-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm
behavioral1/memory/2808-6-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2808	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2808	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32
PID 2796 wrote to memory of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32
PID 2796 wrote to memory of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32
PID 2796 wrote to memory of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32
PID 2796 wrote to memory of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32
PID 2796 wrote to memory of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32
PID 2796 wrote to memory of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32
PID 2796 wrote to memory of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32
PID 2796 wrote to memory of 2808	2796	2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe	32

C:\Users\Admin\AppData\Local\Temp\2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_22403a447a2ad298ac6c0ae3411ccf6e_frostygoop_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2808-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2808-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2808-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2808-16-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/2808-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2808-17-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-18-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/2808-19-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download