General

  • Target

    thisistotallyanexternalandnotagrabber.exe

  • Size

    41KB

  • Sample

    240331-b4n6zaca82

  • MD5

    a92b14abd6015ce47403388ab1a9fb9a

  • SHA1

    1e7830c4c5edf89473eb4f5ec923b03fedbaa3b9

  • SHA256

    909281cede68e81a55cbcc5d6cc536bbe8cedc034246a975a78172e04de51c39

  • SHA512

    aa9bba8e96d1ac2541cb5ec32ee2deaf9e1904623b0eddb95eb9995f1fd50b08b3f0a62e7d0ad3369740e753bd3302e0c2a38bf23be61cb7b5bcb3072258e89d

  • SSDEEP

    768:jscaIyImIXpC5QwxuZieCWTjRKZKfgm3EhB9:4c1IdbeCWT1F7En9

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1222329423873966182/DRznR59hHy0b0d8L7ISycdQ9ErUE8o5nTrmAOPhbaKWBrKrckdopR72WpGmxgfeuqdTH

Targets

    • Target

      thisistotallyanexternalandnotagrabber.exe

    • Size

      41KB

    • MD5

      a92b14abd6015ce47403388ab1a9fb9a

    • SHA1

      1e7830c4c5edf89473eb4f5ec923b03fedbaa3b9

    • SHA256

      909281cede68e81a55cbcc5d6cc536bbe8cedc034246a975a78172e04de51c39

    • SHA512

      aa9bba8e96d1ac2541cb5ec32ee2deaf9e1904623b0eddb95eb9995f1fd50b08b3f0a62e7d0ad3369740e753bd3302e0c2a38bf23be61cb7b5bcb3072258e89d

    • SSDEEP

      768:jscaIyImIXpC5QwxuZieCWTjRKZKfgm3EhB9:4c1IdbeCWT1F7En9

    • 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