xehook | f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9

Analysis

max time kernel
195s
max time network
255s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
29-04-2024 04:13

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General

Target

f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9.exe
Size

351KB
MD5

8f81cbad65802a563f4c6828ad59e382
SHA1

732d20205b2c7879a138bf89bae0d272166d8961
SHA256

f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9
SHA512

072f837658ec1387cd44f9b4119b0fc52a67f8e5a8334c56fbae88de6564b9f65b313dfb473900e41a6989b33d3f02373aaf40f280b826f3f8bfe9251ecb1166
SSDEEP

3072:yk6yIlOwVEC7i+lv5e4nAFOkrDJmnKNJT3EfqBDTSIJ47faaV0OJrVZO+zuiGFZ4:KM2ECm+lvc+C5VQyWdGAiQmN8R

Score

10^/10

xehook spyware stealer

Malware Config

Signatures

Detect Xehook Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/2360-1-0x00000000009C0000-0x00000000009EC000-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

3 ip-api.com
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2336 2360 WerFault.exe f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9.exe

description pid process

Token: SeDebugPrivilege 2360 f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9.exe

resource	yara_rule
behavioral2/memory/2360-1-0x00000000009C0000-0x00000000009EC000-memory.dmp	family_xehook

flow	ioc
3	ip-api.com

pid	pid_target	process	target process
2336	2360	WerFault.exe	f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9.exe

description	pid	process
Token: SeDebugPrivilege	2360	f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9.exe

C:\Users\Admin\AppData\Local\Temp\f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9.exe
"C:\Users\Admin\AppData\Local\Temp\f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 1620
2⤵
- Program crash
PID:2336

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/2360-1-0x00000000009C0000-0x00000000009EC000-memory.dmp

Filesize
176KB

Download
memory/2360-4-0x0000000005250000-0x000000000526A000-memory.dmp

Filesize
104KB

Download
memory/2360-5-0x0000000073DE0000-0x00000000744CE000-memory.dmp

Filesize
6.9MB

Download
memory/2360-6-0x0000000005770000-0x0000000005C6E000-memory.dmp

Filesize
5.0MB

Download
memory/2360-7-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/2360-8-0x00000000063D0000-0x0000000006462000-memory.dmp

Filesize
584KB

Download
memory/2360-9-0x0000000006260000-0x00000000062C6000-memory.dmp

Filesize
408KB

Download
memory/2360-11-0x0000000073DE0000-0x00000000744CE000-memory.dmp

Filesize
6.9MB

Download
memory/2360-12-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download