xworm | 19484f6840c4f4c21598d7345218eaeb1c85e3ccfaf347c998b4fb83dd8cb08c

Analysis

max time kernel
119s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/05/2024, 11:44

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General

Target

obXClient.exe
Size

64KB
MD5

591e9953e62a79303811c9ca80191df9
SHA1

387c087dc56454635de1ee1a3ba9697d8709ad84
SHA256

19484f6840c4f4c21598d7345218eaeb1c85e3ccfaf347c998b4fb83dd8cb08c
SHA512

88b25f3b6421e2e9c9c48ce0a9d4303b25f8d9946a937fcae072d9b2e55b85a42f502acaa0d6d1700e42e93c063a67cf5bfb8589a3784a8f8c5c5858fe83883b
SSDEEP

1536:1BNwbm2OEanmWH79J0ZAFHQpvtbkbYNoTFW1XwO9Hno:1BNwbTkff0i4kbYKQXwO9no

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

139.180.188.91:7000

Attributes

Install_directory
%AppData%
install_file
data33561.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2060-1-0x00000000009F0000-0x0000000000A06000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\data33561.lnk	obXClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\data33561.lnk	obXClient.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	obXClient.exe

C:\Users\Admin\AppData\Local\Temp\obXClient.exe
"C:\Users\Admin\AppData\Local\Temp\obXClient.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2060-0-0x000007FEF5CD3000-0x000007FEF5CD4000-memory.dmp

Filesize
4KB

Download
memory/2060-1-0x00000000009F0000-0x0000000000A06000-memory.dmp

Filesize
88KB

Download
memory/2060-6-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

Filesize
9.9MB

Download
memory/2060-7-0x000007FEF5CD3000-0x000007FEF5CD4000-memory.dmp

Filesize
4KB

Download
memory/2060-8-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

Filesize
9.9MB

Download