xehook | f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9

General

Target

file.exe
Size

351KB
MD5

8f81cbad65802a563f4c6828ad59e382
SHA1

732d20205b2c7879a138bf89bae0d272166d8961
SHA256

f3811d1e3adf12256e3d60d5f83b8e4066d42de822cdd6da4c522c19737dcaa9
SHA512

072f837658ec1387cd44f9b4119b0fc52a67f8e5a8334c56fbae88de6564b9f65b313dfb473900e41a6989b33d3f02373aaf40f280b826f3f8bfe9251ecb1166
SSDEEP

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

Score

10^/10

xehook credential_access discovery spyware stealer

Malware Config

Signatures

Detect Xehook Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1952-0-0x0000000000070000-0x000000000009C000-memory.dmp	family_xehook
behavioral1/memory/1952-6-0x0000000000470000-0x00000000004B0000-memory.dmp	family_xehook

Xehook family
xehook
Xehook stealer
Xehook is an infostealer written in C#.
stealer xehook

Deletes itself 1 IoCs

pid	Process
2868	cmd.exe

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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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.

flow	ioc
4	ip-api.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1528	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1528	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2868	1952	file.exe	30
PID 1952 wrote to memory of 2868	1952	file.exe	30
PID 1952 wrote to memory of 2868	1952	file.exe	30
PID 1952 wrote to memory of 2868	1952	file.exe	30
PID 2868 wrote to memory of 1528	2868	cmd.exe	32
PID 2868 wrote to memory of 1528	2868	cmd.exe	32
PID 2868 wrote to memory of 1528	2868	cmd.exe	32
PID 2868 wrote to memory of 1528	2868	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\delete.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\delete.bat

Filesize
140B

MD5
9c4b81dc0426ac07d4a9bc02c0aee213

SHA1
90a14658ac90e1d45bdf0ac20d3d943e56873eea

SHA256
4dc6714f0436b752eadc6dec5b17ecbb2685e56731e5ebc2355755b5b830c594

SHA512
4800a31f738ee9293e44367df87de7496e5be0efd645c0dad64640c394cbe37aa16c8d3fa02fb0392fafa4080de0093631bfa99e1ed644c1e4e4716bb9175e12

Download Submit
memory/1952-0-0x0000000000070000-0x000000000009C000-memory.dmp

Filesize
176KB

Download
memory/1952-4-0x00000000003D0000-0x00000000003EA000-memory.dmp

Filesize
104KB

Download
memory/1952-5-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/1952-6-0x0000000000470000-0x00000000004B0000-memory.dmp

Filesize
256KB

Download
memory/1952-19-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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