General

  • Target

    Working.exe

  • Size

    41KB

  • Sample

    240526-wy5lzsfb9s

  • MD5

    3610bdbb6add1be985fb1a6cf7199704

  • SHA1

    1a626ee0f58895c520eda721de3b731ce82fa90b

  • SHA256

    64f1ab05d95128881717022f07285faaed82fa80b42294a69f8b53c6bc346b26

  • SHA512

    7ec81fca47944e817ac9185daf04f0fd5971152bc729145f1945498cbbeb3841fdf7cfd0064e1232e10c48741747c99a6dcfceaeb72ff15ef8acf6ab8007ee4b

  • SSDEEP

    768:iscaIiID3mbMABWawWuZYeOWTjiKZKfgm3Eh4D:xc1N3mM8WCeOWTWF7ECD

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1236415054371356683/OrDTmRfTas_XmLRrsqnKyll68rab1NgMyysZ-Wk0_5lhUZv-RzcJAZFh2Z8FO8rzMZiK

Targets

    • Target

      Working.exe

    • Size

      41KB

    • MD5

      3610bdbb6add1be985fb1a6cf7199704

    • SHA1

      1a626ee0f58895c520eda721de3b731ce82fa90b

    • SHA256

      64f1ab05d95128881717022f07285faaed82fa80b42294a69f8b53c6bc346b26

    • SHA512

      7ec81fca47944e817ac9185daf04f0fd5971152bc729145f1945498cbbeb3841fdf7cfd0064e1232e10c48741747c99a6dcfceaeb72ff15ef8acf6ab8007ee4b

    • SSDEEP

      768:iscaIiID3mbMABWawWuZYeOWTjiKZKfgm3Eh4D:xc1N3mM8WCeOWTWF7ECD

    • Mercurial Grabber Stealer

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

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

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks