xworm | e36e49e1cea0dd836cfb1dec293f5fc5c7c197c4eb2df035458a6a5d00265137

Analysis

max time kernel
29s
max time network
30s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/01/2025, 13:13

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General

Target

T.exe
Size

28KB
MD5

78fc1101948b2fd65e52e09f037bac45
SHA1

ba3fc0499ee83a3522c0d50d9faa8edcbd50ad44
SHA256

d3c5ed75f450a48329ca5647cb7d201ba347bd07138ee9b43716df56dd7a1dc2
SHA512

e89ffe3f5e15bbffd0cacf596439b622827fa9ca5eac2fcfd6617b84660673df18a0b50f27fda04310204f7501819865c54dc60a2ee092af8d5ce83ce4d048f4
SSDEEP

768:yQJGNK7vTOcsLqtcD9CHCQyYF4i5+kQjj3:9JGm6sHCQPMZjT

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

WlO6Om8yfxIARVE4

Attributes

install_file
USB.exe
pastebin_url
https://pastebin.com/raw/7G6zzQwJ

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral9/memory/1696-15-0x0000000000BE0000-0x0000000000BF0000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
6	pastebin.com
7	pastebin.com
8	pastebin.com
9	pastebin.com
10	pastebin.com

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	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	T.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
1696	T.exe
2624	Powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1696	T.exe
Token: SeDebugPrivilege	2624	Powershell.exe
Token: SeDebugPrivilege	1696	T.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2624	1696	T.exe	31
PID 1696 wrote to memory of 2624	1696	T.exe	31
PID 1696 wrote to memory of 2624	1696	T.exe	31
PID 1696 wrote to memory of 2624	1696	T.exe	31

C:\Users\Admin\AppData\Local\Temp\T.exe
"C:\Users\Admin\AppData\Local\Temp\T.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -exec bypass -c Copy-Item 'C:\Users\Admin\AppData\Local\Temp\T.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\T.exe' -Force
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1696-14-0x0000000004710000-0x0000000004750000-memory.dmp

Filesize
256KB

Download
memory/1696-15-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

Filesize
64KB

Download
memory/1696-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/1696-21-0x0000000004710000-0x0000000004750000-memory.dmp

Filesize
256KB

Download
memory/1696-4-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/1696-5-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/1696-20-0x0000000004710000-0x0000000004750000-memory.dmp

Filesize
256KB

Download
memory/1696-19-0x0000000004710000-0x0000000004750000-memory.dmp

Filesize
256KB

Download
memory/1696-1-0x0000000000EF0000-0x0000000000EFC000-memory.dmp

Filesize
48KB

Download
memory/1696-16-0x0000000004710000-0x0000000004750000-memory.dmp

Filesize
256KB

Download
memory/1696-3-0x0000000000580000-0x00000000005A8000-memory.dmp

Filesize
160KB

Download
memory/1696-13-0x0000000000690000-0x000000000069E000-memory.dmp

Filesize
56KB

Download
memory/1696-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/2624-11-0x000000006F140000-0x000000006F6EB000-memory.dmp

Filesize
5.7MB

Download
memory/2624-12-0x000000006F140000-0x000000006F6EB000-memory.dmp

Filesize
5.7MB

Download
memory/2624-18-0x000000006F140000-0x000000006F6EB000-memory.dmp

Filesize
5.7MB

Download
memory/2624-9-0x000000006F140000-0x000000006F6EB000-memory.dmp

Filesize
5.7MB

Download
memory/2624-8-0x000000006F141000-0x000000006F142000-memory.dmp

Filesize
4KB

Download
memory/2624-10-0x000000006F140000-0x000000006F6EB000-memory.dmp

Filesize
5.7MB

Download