General

  • Target

    SIGMA.exe

  • Size

    41KB

  • Sample

    240702-besg4avapm

  • MD5

    120be0ffd52d92cc54c3b54bba6e1c22

  • SHA1

    f45ca3ef36a0d92a81032b49b614a14ac75bbafe

  • SHA256

    8861fd9a6122e811cd14c254db4c640349ae1828eb3f83fbfc6913a5a03f7521

  • SHA512

    cabc854828d8c30bf79bbf72e738179249e04515fbc99a48492310c1574628ed97b13232043cc6e429b0d0bbd3e9d0389b6a1b9d69f9957e636f3dbfefb6ecec

  • SSDEEP

    768:6scWcQTx/gB1wtduZ0eEWTjZKZKfgm3Ehp7:ZcOVgBEeEWT1F7Er7

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discordapp.com/api/webhooks/1257501543238996110/011cWPmmh2h6aiJF4LoSMNcZu5MnfVTFHxiIMzRA2XTsgEZKx_7ZykxSo1PhMZVb502B

Targets

    • Target

      SIGMA.exe

    • Size

      41KB

    • MD5

      120be0ffd52d92cc54c3b54bba6e1c22

    • SHA1

      f45ca3ef36a0d92a81032b49b614a14ac75bbafe

    • SHA256

      8861fd9a6122e811cd14c254db4c640349ae1828eb3f83fbfc6913a5a03f7521

    • SHA512

      cabc854828d8c30bf79bbf72e738179249e04515fbc99a48492310c1574628ed97b13232043cc6e429b0d0bbd3e9d0389b6a1b9d69f9957e636f3dbfefb6ecec

    • SSDEEP

      768:6scWcQTx/gB1wtduZ0eEWTjZKZKfgm3Ehp7:ZcOVgBEeEWT1F7Er7

    • 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.

    • 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

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

Tasks