General

  • Target

    ef89bb0912038ab4108340333a105bca_JaffaCakes118

  • Size

    78KB

  • Sample

    240414-z72s8sgf71

  • MD5

    ef89bb0912038ab4108340333a105bca

  • SHA1

    d5eb7d497cc4ea9f0dba15fee376a28d101304d8

  • SHA256

    b92d39374c86c0135588db4235c81b05a9cee3b88259dad7ac10f28b123d1bc4

  • SHA512

    792171dc89b86eabfc9a95715b6bd6d76a788028278389a53b69b5f940c62c9023701ee1726d5e53348aad498b2d11c94234308fe295cfb496163dca3df5a4f5

  • SSDEEP

    1536:cx/HnJJtHXOQt36oxjm7WpdqlU61so/n+psr+iDi1/G7wnzht:cRnDtHX1t36o9m7WS+Ry5c1/Vf

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/872698419091738624/m321s3sLcbS6FbbL7KT4iYrxQ8p5lrY815kdaD2WF9MdsAppImTok3mh5EPsVBKnEiWz

Targets

    • Target

      ef89bb0912038ab4108340333a105bca_JaffaCakes118

    • Size

      78KB

    • MD5

      ef89bb0912038ab4108340333a105bca

    • SHA1

      d5eb7d497cc4ea9f0dba15fee376a28d101304d8

    • SHA256

      b92d39374c86c0135588db4235c81b05a9cee3b88259dad7ac10f28b123d1bc4

    • SHA512

      792171dc89b86eabfc9a95715b6bd6d76a788028278389a53b69b5f940c62c9023701ee1726d5e53348aad498b2d11c94234308fe295cfb496163dca3df5a4f5

    • SSDEEP

      1536:cx/HnJJtHXOQt36oxjm7WpdqlU61so/n+psr+iDi1/G7wnzht:cRnDtHX1t36o9m7WS+Ry5c1/Vf

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

8
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks