mercurialgrabber | 37e185d5dcb85f7ef75bd6a8549b7f937a51390dee15595b3dbffaa99c7c61da

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 17:51

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General

Target

MexoTempSpoofer.exe
Size

42KB
MD5

d7ccf6dae6f63e6828e2dfa59bc0a627
SHA1

6b89b78f2ad0610e06895660d885f7f5f3420016
SHA256

37e185d5dcb85f7ef75bd6a8549b7f937a51390dee15595b3dbffaa99c7c61da
SHA512

13114ae6ed650532450c1b8e1533ee4f1273af51260f8b78432bc391b8358467887306bb5ba008c447cc19fef0e47aa9c3775a8f32670c8c2ea6693eb7849db6
SSDEEP

768:jmtNY8Y1XPPomMpuZoLuiTjlKZKfgm3EhjJ:mLYlOLuiThF7EVJ

Score

10^/10

mercurialgrabber spyware stealer

Malware Config

Extracted

Family

mercurialgrabber

https://discord.com/api/webhooks/1312449321681158316/eG-YAKPZOIPE_-PjejXuWNMq9hRvfRc8hD5UqxKwrNZoOC1ykn4WzXso8qwWLgifPt-w

Signatures

Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
stealer mercurialgrabber
Mercurialgrabber family
mercurialgrabber
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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
9	discord.com
10	discord.com
8	discord.com

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip4.seeip.org
6	ip-api.com

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	MexoTempSpoofer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MexoTempSpoofer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3004	MexoTempSpoofer.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2628	3004	MexoTempSpoofer.exe	33
PID 3004 wrote to memory of 2628	3004	MexoTempSpoofer.exe	33
PID 3004 wrote to memory of 2628	3004	MexoTempSpoofer.exe	33

C:\Users\Admin\AppData\Local\Temp\MexoTempSpoofer.exe
"C:\Users\Admin\AppData\Local\Temp\MexoTempSpoofer.exe"
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3004 -s 1400
  2⤵
  PID:2628

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3004-0-0x000007FEF6033000-0x000007FEF6034000-memory.dmp

Filesize
4KB

Download
memory/3004-1-0x0000000001370000-0x0000000001380000-memory.dmp

Filesize
64KB

Download
memory/3004-2-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

Filesize
9.9MB

Download
memory/3004-3-0x000007FEF6033000-0x000007FEF6034000-memory.dmp

Filesize
4KB

Download
memory/3004-4-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

Filesize
9.9MB

Download
memory/3004-5-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp

Filesize
9.9MB

Download