xehook | a88dee703baa477bbcc709563c9f6f260f4210387dde7d83ea263035b364c378

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 01:13

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General

Target

4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe
Size

210KB
MD5

51b0ed6b4908a21e5cc1d9ec7c046040
SHA1

d874f6da7327b2f1b3ace5e66bc763c557ac382e
SHA256

4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d
SHA512

48ec96b209d7061a1276496feb250cf183891b950465d3a916c999aa1efc1c8831b068ce0fce4ce21d09677f945b3d816ed4040146462a0ce0845318041586a2
SSDEEP

6144:gQtdqzqv7rArb/LoEyavuW6uqQqNW14pv:gQtdqWk/LDmQqQqK4pv

Score

10^/10

xehook spyware stealer

Malware Config

Extracted

Family

xehook

https://unotree.ru/

https://aiwhcpoaw.ru/

Signatures

Detect Xehook Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1580-1-0x0000000000710000-0x0000000000746000-memory.dmp	family_xehook
behavioral2/memory/3916-0-0x0000000000400000-0x000000000041C000-memory.dmp	family_xehook
behavioral2/memory/1580-2-0x0000000000710000-0x0000000000746000-memory.dmp	family_xehook

Xehook stealer
Xehook is an infostealer written in C#.
stealer xehook
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

22 ip-api.com

flow	ioc
22	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe

description	pid	process	target process
PID 1580 set thread context of 3916	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 3916 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3916	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe

description	pid	process	target process
PID 1580 wrote to memory of 4984	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 4984	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 4984	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 3916	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 3916	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 3916	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 3916	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 3916	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 3916	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 3916	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe
PID 1580 wrote to memory of 3916	1580	4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe
"C:\Users\Admin\AppData\Local\Temp\4e68c5a537320cbe88842a53e5691b7f1a590b9c0b491a12baaeeda111dcaa4d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:4984

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3916

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1580-1-0x0000000000710000-0x0000000000746000-memory.dmp

Filesize
216KB

Download
memory/1580-2-0x0000000000710000-0x0000000000746000-memory.dmp

Filesize
216KB

Download
memory/3916-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3916-3-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/3916-4-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/3916-5-0x0000000005590000-0x00000000055A0000-memory.dmp

Filesize
64KB

Download
memory/3916-6-0x0000000006220000-0x0000000006286000-memory.dmp

Filesize
408KB

Download
memory/3916-7-0x0000000006820000-0x00000000068B2000-memory.dmp

Filesize
584KB

Download
memory/3916-12-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download