mercurialgrabber | 1c0eea9f988f79c4d6d648efcfa1b9c6e0a930b3f18c2601d2d79dac4e83442c

General

Target

output.exe
Size

41KB
MD5

8b857cb11e996e19689828dc4eb813e0
SHA1

9ec9217dbf85ca6e6f958aede0d58458bf1c5a0e
SHA256

1c0eea9f988f79c4d6d648efcfa1b9c6e0a930b3f18c2601d2d79dac4e83442c
SHA512

23697a82f8dffebbea6e4f4bd0d90c71d4f6c688f2b9b5689c57116aff6656697eae8ec93c0d97447e29642bb5a937c99c6c0a949a610b81e56f9839579f1f91
SSDEEP

768:MscWcQjfT6axpDXswguZkexWTj6KZKfgm3Ehf1:Dc8fnxEexWT2F7E91

Score

10^/10

mercurialgrabber evasion spyware stealer

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/1279852929825636517/7lX2aEO7lrNMoPEpMSmCdjN3hbJSXsL6I59yrTwyNVhO7kpK0CSks9fXRfhM5lPYJ0uz

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
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

output.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions output.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

output.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools output.exe
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

output.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion output.exe
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.

Processes:

flow ioc

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

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	output.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools	output.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	output.exe

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

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

output.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	output.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	output.exe

Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

output.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S output.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	output.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:

output.exe

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

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

output.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	output.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	output.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	output.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	output.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

output.exe

description pid process

Token: SeDebugPrivilege 2996 output.exe

description	pid	process
Token: SeDebugPrivilege	2996	output.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

output.exe

description	pid	process	target process
PID 2996 wrote to memory of 2888	2996	output.exe	WerFault.exe
PID 2996 wrote to memory of 2888	2996	output.exe	WerFault.exe
PID 2996 wrote to memory of 2888	2996	output.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\output.exe
"C:\Users\Admin\AppData\Local\Temp\output.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2996 -s 1340
  2⤵
  PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

5

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2996-0-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

Filesize
4KB

Download
memory/2996-1-0x00000000000C0000-0x00000000000D0000-memory.dmp

Filesize
64KB

Download
memory/2996-2-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

Filesize
9.9MB

Download
memory/2996-3-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

Filesize
4KB

Download
memory/2996-4-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads