Analysis
-
max time kernel
104s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
17/03/2025, 16:00
Behavioral task
behavioral1
Sample
GrimClient3.5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
GrimClient3.5.exe
Resource
win10v2004-20250313-en
General
-
Target
GrimClient3.5.exe
-
Size
42KB
-
MD5
f8aad0ba44c22a03a92c8a992de6f188
-
SHA1
a8f8ac95ee5a49a473104581ba073118c0f545f7
-
SHA256
ccf8f646ddf20ba1e354c3ad35880e441d78ab292a2fd8b2edd49f3abfbe0422
-
SHA512
7fa3cb08ee2b176ddaeb3bf20bed0a46a583c87a01922851975e1d191999f47a9dfe4421c8eb50c15c5c8b97d80c99d3da59fc97eb7756b84a216d5b61f51820
-
SSDEEP
384:7AfIRHS2LtjR39hxiTRWgxfYTx2s/XZxIh/9oJEFq5nm0GTAsQ4KQsLd/SfgUfAQ:Z7DxURWf4uZvLlGTjQ4KZKfgm3Eht+
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1351222685405024296/pvzGqfhW1MeB2uoiUPX5kRWkfddZIOBcx4zo8SpxDvoTeVdF_InCZ3P760g3QMnaEEnA
Signatures
-
Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
-
Mercurialgrabber family
-
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 21 discord.com 22 discord.com 24 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 1 ip4.seeip.org 19 ip-api.com -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 GrimClient3.5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString GrimClient3.5.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4944 GrimClient3.5.exe