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
behavioral2/memory/4988-0-0x00000000013B0000-0x00000000013F8000-memory.dmp	family_xehook
behavioral2/memory/212-1-0x0000000000400000-0x000000000041C000-memory.dmp	family_xehook
behavioral2/memory/4988-2-0x00000000013B0000-0x00000000013F8000-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.

flow	ioc
3	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4988 set thread context of 212	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	74

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
212	RegAsm.exe
1284	powershell.exe
1284	powershell.exe
1284	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	212	RegAsm.exe
Token: SeDebugPrivilege	1284	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 4640	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	73
PID 4988 wrote to memory of 4640	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	73
PID 4988 wrote to memory of 4640	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	73
PID 4988 wrote to memory of 212	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	74
PID 4988 wrote to memory of 212	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	74
PID 4988 wrote to memory of 212	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	74
PID 4988 wrote to memory of 212	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	74
PID 4988 wrote to memory of 212	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	74
PID 4988 wrote to memory of 212	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	74
PID 4988 wrote to memory of 212	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	74
PID 4988 wrote to memory of 212	4988	17f929c1d40a7fd6f897c0b15ca9c44b2059cbccb3037c31619d87954659478e.exe	74
PID 212 wrote to memory of 1284	212	RegAsm.exe	76
PID 212 wrote to memory of 1284	212	RegAsm.exe	76
PID 212 wrote to memory of 1284	212	RegAsm.exe	76

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:4988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4640
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:212
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Start-Process 'C:\Users\Admin\AppData\Roaming\62C23MHTUU.exe'"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1284

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

System Information Discovery

1

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_uekrl02v.tmu.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Roaming\62C23MHTUU.exe

Filesize
70KB

MD5
65239105fb8d019b2b6211cd859be52d

SHA1
5e0c893a79b912ca5e872b1d9f385365c7387107

SHA256
1cef1f49c2306fd0a8f2c994cda5fa48bf6b6cbe876ec8d1729652db5ca38e22

SHA512
ee2a7b0da2b18bb648a1b656334e4489e3bdfcf3f99c7d5c49f2ac2752df40374f6da173181f66a887a3df80601acfe7449083800939be2e0decd80ccb8b9b1e

Download Submit
memory/212-1-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/212-3-0x0000000073730000-0x0000000073E1E000-memory.dmp

Filesize
6.9MB

Download
memory/212-4-0x00000000056B0000-0x0000000005BAE000-memory.dmp

Filesize
5.0MB

Download
memory/212-5-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/212-6-0x00000000065B0000-0x0000000006642000-memory.dmp

Filesize
584KB

Download
memory/212-12-0x0000000073730000-0x0000000073E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1284-21-0x0000000006F10000-0x0000000007538000-memory.dmp

Filesize
6.2MB

Download
memory/1284-26-0x0000000007D80000-0x0000000007DCB000-memory.dmp

Filesize
300KB

Download
memory/1284-19-0x0000000000FF0000-0x0000000001000000-memory.dmp

Filesize
64KB

Download
memory/1284-20-0x0000000000FF0000-0x0000000001000000-memory.dmp

Filesize
64KB

Download
memory/1284-66-0x0000000073140000-0x000000007382E000-memory.dmp

Filesize
6.9MB

Download
memory/1284-22-0x0000000007570000-0x0000000007592000-memory.dmp

Filesize
136KB

Download
memory/1284-23-0x0000000007720000-0x0000000007786000-memory.dmp

Filesize
408KB

Download
memory/1284-24-0x0000000007790000-0x0000000007AE0000-memory.dmp

Filesize
3.3MB

Download
memory/1284-25-0x0000000007700000-0x000000000771C000-memory.dmp

Filesize
112KB

Download
memory/1284-18-0x0000000073140000-0x000000007382E000-memory.dmp

Filesize
6.9MB

Download
memory/1284-27-0x0000000007ED0000-0x0000000007F46000-memory.dmp

Filesize
472KB

Download
memory/1284-17-0x0000000001040000-0x0000000001076000-memory.dmp

Filesize
216KB

Download
memory/1284-42-0x0000000008F00000-0x0000000008F94000-memory.dmp

Filesize
592KB

Download
memory/1284-43-0x0000000008EB0000-0x0000000008ECA000-memory.dmp

Filesize
104KB

Download
memory/1284-44-0x0000000008ED0000-0x0000000008EF2000-memory.dmp

Filesize
136KB

Download
memory/1284-62-0x0000000000FF0000-0x0000000001000000-memory.dmp

Filesize
64KB

Download
memory/4988-2-0x00000000013B0000-0x00000000013F8000-memory.dmp

Filesize
288KB

Download
memory/4988-0-0x00000000013B0000-0x00000000013F8000-memory.dmp

Filesize
288KB

Download

Analysis

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