xworm | 3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb

Analysis

max time kernel
136s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 12:01

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General

Target

3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb.exe
Size

61KB
MD5

cd957aab73baa2b3aa0fd281f7d58a94
SHA1

14970a8f02e6a4094c12eaca2a6e051a714335cf
SHA256

3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb
SHA512

861872ac6e2305d39efed9e2683595ccd11d6a977988def777a1c62c74ebe2e858ba90fed2f19cccf49379f1331dda9077a21f84d90ff700fe882243978ba5c3
SSDEEP

1536:ZyE+lRntKWfjXlUQkbyk1WwTS9O4aWGdaB:ZARtKW7XllkbyBwsO4SC

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

169.254.90.187:7000

143.198.155.177:7000

Attributes

Install_directory
%Temp%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3596-0-0x0000000000710000-0x0000000000726000-memory.dmp	family_xworm

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

T1547.001

Modify Registry

T1112

Processes:

3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XClient.exe"	3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb.exe

description pid process

Token: SeDebugPrivilege 3596 3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb.exe

description	pid	process
Token: SeDebugPrivilege	3596	3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb.exe

C:\Users\Admin\AppData\Local\Temp\3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb.exe
"C:\Users\Admin\AppData\Local\Temp\3bc839c36e16d08250bc4403d581ab822e5bb251be4c75097ffed5e29d5fe1cb.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:3596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3596-1-0x00007FF8418E3000-0x00007FF8418E5000-memory.dmp

Filesize
8KB

Download
memory/3596-0-0x0000000000710000-0x0000000000726000-memory.dmp

Filesize
88KB

Download
memory/3596-3-0x00007FF8418E0000-0x00007FF8423A1000-memory.dmp

Filesize
10.8MB

Download
memory/3596-4-0x00007FF8418E0000-0x00007FF8423A1000-memory.dmp

Filesize
10.8MB

Download