xehook | 17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e

General

Target

17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe
Size

273KB
MD5

e795115169cc800de0392d6a675d58fd
SHA1

8dd75837e360ba1cb8acf5a3d348dd020a5da482
SHA256

17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e
SHA512

5fb6543e91de175bd365462a1cc87d6772e43b0effd3757b3e408b08a4de5a004de9a85e7f1d09578fa3bc6b6486c5f5016c1b879496582dbb39b2e62e168f38
SSDEEP

6144:s/wl9dobdtMJNPX459l2/FpnovRWf1RdSxWbkHg6O0:HdoRtMJRkQp2MY0QO0

Score

10^/10

xehook spyware stealer

Malware Config

Extracted

Family

xehook

C2

https://unotree.ru/

https://aiwhcpoaw.ru/

Signatures

Detect Xehook Payload 3 IoCs

resource	yara_rule
behavioral1/memory/4848-1-0x0000000000400000-0x000000000041C000-memory.dmp	family_xehook
behavioral1/memory/2860-0-0x0000000000720000-0x0000000000768000-memory.dmp	family_xehook
behavioral1/memory/2860-2-0x0000000000720000-0x0000000000768000-memory.dmp	family_xehook

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	RegAsm.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 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.

flow	ioc
15	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 4848	2860	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	88

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4848	RegAsm.exe
4464	powershell.exe
4464	powershell.exe
4464	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4848	RegAsm.exe
Token: SeDebugPrivilege	4464	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 4848	2860	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	88
PID 2860 wrote to memory of 4848	2860	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	88
PID 2860 wrote to memory of 4848	2860	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	88
PID 2860 wrote to memory of 4848	2860	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	88
PID 2860 wrote to memory of 4848	2860	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	88
PID 2860 wrote to memory of 4848	2860	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	88
PID 2860 wrote to memory of 4848	2860	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	88
PID 2860 wrote to memory of 4848	2860	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	88
PID 4848 wrote to memory of 4464	4848	RegAsm.exe	100
PID 4848 wrote to memory of 4464	4848	RegAsm.exe	100
PID 4848 wrote to memory of 4464	4848	RegAsm.exe	100

C:\Users\Admin\AppData\Local\Temp\17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe
"C:\Users\Admin\AppData\Local\Temp\17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Start-Process 'C:\Users\Admin\AppData\Roaming\O9B6N5KQ71.exe'"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\__PSScriptPolicyTest_cckpwlch.ofm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\O9B6N5KQ71.exe

Filesize
70KB

MD5
69b9ea4ef0db42df0a16b9b0c8ef29ed

SHA1
2b84283d16baa1078048b87a1e7cb89ebe8ebbfb

SHA256
656f7493f67eb7fa182ec603a245d5d1ad14618744165959c2d6de0c15e92e72

SHA512
8678823f10320fb99a19e59145d518d8afeff5dcd3af82c8d32ab559792b49490df84cdd01e56a27259c6ae9f0088203d404b98a14b1f81b62d43e6c8b6a233f

Download Submit
memory/2860-0-0x0000000000720000-0x0000000000768000-memory.dmp

Filesize
288KB

Download
memory/2860-2-0x0000000000720000-0x0000000000768000-memory.dmp

Filesize
288KB

Download
memory/4464-33-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/4464-35-0x0000000005E80000-0x0000000005E9E000-memory.dmp

Filesize
120KB

Download
memory/4464-43-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4464-39-0x0000000007410000-0x0000000007432000-memory.dmp

Filesize
136KB

Download
memory/4464-38-0x0000000006730000-0x000000000674A000-memory.dmp

Filesize
104KB

Download
memory/4464-37-0x00000000067A0000-0x0000000006836000-memory.dmp

Filesize
600KB

Download
memory/4464-36-0x0000000006290000-0x00000000062DC000-memory.dmp

Filesize
304KB

Download
memory/4464-18-0x0000000002DA0000-0x0000000002DD6000-memory.dmp

Filesize
216KB

Download
memory/4464-20-0x0000000005650000-0x0000000005C78000-memory.dmp

Filesize
6.2MB

Download
memory/4464-21-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4464-19-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4464-22-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4464-34-0x0000000005F30000-0x0000000006284000-memory.dmp

Filesize
3.3MB

Download
memory/4464-25-0x00000000054B0000-0x00000000054D2000-memory.dmp

Filesize
136KB

Download
memory/4848-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4848-4-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/4848-5-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/4848-15-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4848-11-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/4848-10-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4848-7-0x00000000068A0000-0x0000000006932000-memory.dmp

Filesize
584KB

Download
memory/4848-3-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/4848-6-0x00000000062E0000-0x0000000006346000-memory.dmp

Filesize
408KB

Download

Analysis

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