mercurialgrabber | 99c506c6a6fbbf9d7ed9e20ed02dfb91be159f0f33498153ca2894731fe41949

Analysis

max time kernel
147s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2022 17:09

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General

Target

0x000b00000001230f-61.exe
Size

41KB
MD5

458168047894c09ae76b0add79c7122d
SHA1

4e291744275e8e9006c15d03489e0b252592a817
SHA256

99c506c6a6fbbf9d7ed9e20ed02dfb91be159f0f33498153ca2894731fe41949
SHA512

fcdad8b12068cd6f1da8a6ab1cab610aa383a1f86aaf4523122e3ce0fd9ab7315fc6c239259860ab13dd83342c75c7aa18c997bc7eaefa445a77bdb7eb14ff61
SSDEEP

768:TscG4ApfT6aSXpDXswouZkeiWTj/KZKfgm3EhzF:IcKfnSXceiWTbF7EJF

Score

10^/10

mercurialgrabber spyware stealer

Malware Config

Extracted

Family

mercurialgrabber

https://discord.com/api/webhooks/835255995735343134/XNe_EsIHeOwVdqPUaV7pv4uxkib5RHnv_Tn6JCr4hEBupeIfyQN2tRINJsXKij_tI_Ec

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
T1081
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

10 ip4.seeip.org
11 ip4.seeip.org
13 ip-api.com
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2416 3616 WerFault.exe 0x000b00000001230f-61.exe

flow	ioc
10	ip4.seeip.org
11	ip4.seeip.org
13	ip-api.com

pid	pid_target	process	target process
2416	3616	WerFault.exe	0x000b00000001230f-61.exe

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

Processes:

0x000b00000001230f-61.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	0x000b00000001230f-61.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0x000b00000001230f-61.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

0x000b00000001230f-61.exe

description pid process

Token: SeDebugPrivilege 3616 0x000b00000001230f-61.exe

description	pid	process
Token: SeDebugPrivilege	3616	0x000b00000001230f-61.exe

C:\Users\Admin\AppData\Local\Temp\0x000b00000001230f-61.exe
"C:\Users\Admin\AppData\Local\Temp\0x000b00000001230f-61.exe"
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3616

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3616 -s 1996
2⤵
- Program crash
PID:2416

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 416 -p 3616 -ip 3616
1⤵
PID:2276

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

memory/3616-132-0x00000000009C0000-0x00000000009D0000-memory.dmp

Filesize
64KB

Download
memory/3616-133-0x00007FFAD9BA0000-0x00007FFADA661000-memory.dmp

Filesize
10.8MB

Download
memory/3616-134-0x00007FFAD9BA0000-0x00007FFADA661000-memory.dmp

Filesize
10.8MB

Download
memory/3616-135-0x00007FFAD9BA0000-0x00007FFADA661000-memory.dmp

Filesize
10.8MB

Download