mercurialgrabber | 99c7c262aa5b81a8694ae3e6449972f84edc48165f17e59e7d56bd6b2c9875e6

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-09-2024 12:10

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General

Target

Urm.exe
Size

41KB
MD5

83f52e0aebc4f6f8bafbfa855e826dcc
SHA1

37b64811517ee85fc8d3f64f67ddd1ee7372f811
SHA256

99c7c262aa5b81a8694ae3e6449972f84edc48165f17e59e7d56bd6b2c9875e6
SHA512

00dbdee6de08cae2e96ec758a6ac9075a52ce4c8f8149dfdd8afb2963835ebac883747fcadcd6f77c4737cfa827bfddf1de87dbbeca738d0f7c24476f1297d6e
SSDEEP

768:rN8C37hX/XSNluZVLrpTjeKZKfgm3Ehq3:6LyLrpTqF7E43

Score

10^/10

mercurialgrabber spyware stealer

Malware Config

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
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 2 IoCs

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

flow	ioc
4	ip4.seeip.org
8	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	Urm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Urm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2468	Urm.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2604	2468	Urm.exe	33
PID 2468 wrote to memory of 2604	2468	Urm.exe	33
PID 2468 wrote to memory of 2604	2468	Urm.exe	33

C:\Users\Admin\AppData\Local\Temp\Urm.exe
"C:\Users\Admin\AppData\Local\Temp\Urm.exe"
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2468 -s 1328
  2⤵
  PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2468-0-0x000007FEF5FE3000-0x000007FEF5FE4000-memory.dmp

Filesize
4KB

Download
memory/2468-1-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/2468-2-0x000007FEF5FE0000-0x000007FEF69CC000-memory.dmp

Filesize
9.9MB

Download
memory/2468-3-0x000007FEF5FE3000-0x000007FEF5FE4000-memory.dmp

Filesize
4KB

Download
memory/2468-4-0x000007FEF5FE0000-0x000007FEF69CC000-memory.dmp

Filesize
9.9MB

Download