xehook | 2ab5dd6218935db97e71e5578ceaa8f87ef7ac30574216662dc6c040136ff5cf

Analysis

max time kernel
33s
max time network
34s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2024 13:00

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General

Target

supermain.exe
Size

541KB
MD5

2f61a2fdad0599146e7546d577d3772d
SHA1

281a57e57f2b415c35d5808f890da7e172a1a281
SHA256

2ab5dd6218935db97e71e5578ceaa8f87ef7ac30574216662dc6c040136ff5cf
SHA512

2830d7d546177138e0f6d2f02a47abe3bfbc05d776ea81780f0f605fe458811c67124e34cb135652f1e6a5a72b62a99640bca8796a3c9fd0360b50b3fe808dc3
SSDEEP

12288:GCWMqsBLwNQD8gABE3u5p+hY/4ewg2ZNaKCmWyOfoJVtKtnjWGuWgbHOuSMqT/Yd:XuSOfgAB0

Score

10^/10

xehook credential_access discovery stealer

Malware Config

Extracted

Family

xehook

Version

2.1.5 Stable

https://t.me/+w897k5UK_jIyNDgy

Attributes

id
208
token
xehook208939115726271

Signatures

Xehook stealer
Xehook is an infostealer written in C#.
stealer xehook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Loads dropped DLL 1 IoCs

Processes:

supermain.exe

pid process

4908 supermain.exe
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.

Processes:

flow ioc

11 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

supermain.exe

description pid process target process

PID 4908 set thread context of 4740 4908 supermain.exe MSBuild.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4268 4740 WerFault.exe MSBuild.exe

pid	process
4908	supermain.exe

flow	ioc
11	ip-api.com

description	pid	process	target process
PID 4908 set thread context of 4740	4908	supermain.exe	MSBuild.exe

pid	pid_target	process	target process
4268	4740	WerFault.exe	MSBuild.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

supermain.exeMSBuild.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	supermain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 4740 MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4740	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

supermain.exe

description	pid	process	target process
PID 4908 wrote to memory of 4740	4908	supermain.exe	MSBuild.exe
PID 4908 wrote to memory of 4740	4908	supermain.exe	MSBuild.exe
PID 4908 wrote to memory of 4740	4908	supermain.exe	MSBuild.exe
PID 4908 wrote to memory of 4740	4908	supermain.exe	MSBuild.exe
PID 4908 wrote to memory of 4740	4908	supermain.exe	MSBuild.exe
PID 4908 wrote to memory of 4740	4908	supermain.exe	MSBuild.exe
PID 4908 wrote to memory of 4740	4908	supermain.exe	MSBuild.exe
PID 4908 wrote to memory of 4740	4908	supermain.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\supermain.exe
"C:\Users\Admin\AppData\Local\Temp\supermain.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 1912
    3⤵
    - Program crash
    PID:4268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4740 -ip 4740
1⤵
PID:228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\d3d9x.dll

Filesize
371KB

MD5
2ff20dbe19667e77f238a01566fc653f

SHA1
35693bb2faac7d54ed23166566fab71b3b80c13d

SHA256
47e379e2a7d821fa5542b944ce54f3bf0e7465b8b5db7c603891386f336e6322

SHA512
d1cc086305a9a4b29b27244a35a801a5610491ab23f346caea059ddbb224bf869a0f8a03aa2ae27e9a5301f0082feacdc7e44b6c720b41e1dc908acb84e77094

Download Submit
memory/4740-13-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4740-14-0x00000000050C0000-0x0000000005664000-memory.dmp

Filesize
5.6MB

Download
memory/4740-11-0x0000000000390000-0x00000000003BC000-memory.dmp

Filesize
176KB

Download
memory/4740-15-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4740-16-0x0000000005DA0000-0x0000000005E32000-memory.dmp

Filesize
584KB

Download
memory/4740-17-0x0000000005C30000-0x0000000005C96000-memory.dmp

Filesize
408KB

Download
memory/4740-18-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-0-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/4908-1-0x00000000009D0000-0x0000000000A5E000-memory.dmp

Filesize
568KB

Download
memory/4908-8-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/4908-12-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download