xworm | f4111d30be32600233ad61440ff2f9a6484f3ba6c04fae4b522fc09ab0de3831

Analysis

max time kernel
126s
max time network
138s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:10

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General

Target

47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe
Size

1.0MB
MD5

83e74c5c8c4c1d174a055af1e0182393
SHA1

1bdfc6b9d7a9abdaaa08e701cb6ef5fbc90e9594
SHA256

47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0
SHA512

d798465d7ab67d0cd656277fad5bddbbc8de2d739dfbd5da669c1494fbddcb9518f36a92c6a27c741ec703de85d902d06197f1120f8b49e8e38d72e285ead665
SSDEEP

12288:h11qi7aQZVQDHV1SY9LjHvxmthnjlc1qrNhx5yRfeisk:lq1QZVQDHrSY9LWnpNrcRf

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

on-donors.gl.at.ply.gg:5500

Mutex

Ii4gIkCPmmFUXemC

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 6 IoCs

resource	yara_rule
behavioral3/memory/2684-24-0x0000000000080000-0x000000000008E000-memory.dmp	family_xworm
behavioral3/memory/2684-21-0x0000000000080000-0x000000000008E000-memory.dmp	family_xworm
behavioral3/memory/2684-17-0x0000000000080000-0x000000000008E000-memory.dmp	family_xworm
behavioral3/memory/2684-16-0x0000000000080000-0x000000000008E000-memory.dmp	family_xworm
behavioral3/memory/2684-11-0x0000000000080000-0x000000000008E000-memory.dmp	family_xworm
behavioral3/memory/2684-9-0x0000000000080000-0x000000000008E000-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 2848 set thread context of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30

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	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe
Token: SeDebugPrivilege	2684	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30
PID 2848 wrote to memory of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30
PID 2848 wrote to memory of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30
PID 2848 wrote to memory of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30
PID 2848 wrote to memory of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30
PID 2848 wrote to memory of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30
PID 2848 wrote to memory of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30
PID 2848 wrote to memory of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30
PID 2848 wrote to memory of 2684	2848	47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe	30

C:\Users\Admin\AppData\Local\Temp\47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe
"C:\Users\Admin\AppData\Local\Temp\47c6de91e1706234f4587aa8f42a8c76d818b3055dc457b6dda51b803bf09ab0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2684

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/2684-11-0x0000000000080000-0x000000000008E000-memory.dmp

Filesize
56KB

Download
memory/2684-16-0x0000000000080000-0x000000000008E000-memory.dmp

Filesize
56KB

Download
memory/2684-28-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-27-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-5-0x0000000000080000-0x000000000008E000-memory.dmp

Filesize
56KB

Download
memory/2684-24-0x0000000000080000-0x000000000008E000-memory.dmp

Filesize
56KB

Download
memory/2684-26-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-7-0x0000000000080000-0x000000000008E000-memory.dmp

Filesize
56KB

Download
memory/2684-9-0x0000000000080000-0x000000000008E000-memory.dmp

Filesize
56KB

Download
memory/2684-21-0x0000000000080000-0x000000000008E000-memory.dmp

Filesize
56KB

Download
memory/2684-17-0x0000000000080000-0x000000000008E000-memory.dmp

Filesize
56KB

Download
memory/2684-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2848-1-0x00000000003B0000-0x00000000004B8000-memory.dmp

Filesize
1.0MB

Download
memory/2848-25-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-4-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-3-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2848-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download