Overview

overview

10

Static

static

10

RBF.exe

windows7-x64

10

RBF.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    RBF.exe

  • Size

    41KB

  • Sample

    240705-pvg8ysyclp

  • MD5

    09d12c328c88bfdfef9dcc0927dca671

  • SHA1

    4f61a36bc05dbd9229b56db5ead4ea3d37e4308a

  • SHA256

    64e772d1da472d9da1dde4d9b070c1d9acf98d9819ec04058a0161f020022e49

  • SHA512

    4774119f1eb6f3f712fc29f7c7cceb31a67c62c01a6b7f09ccf17a85a4d78b3fed4f3a9532c353490f9058aae5db58d305a92a65a8e8039e7c123f48e73d1d51

  • SSDEEP

    768:escGoAxWdPN+wauZLePWTjZKZKfgm3Ehpe:tcVdPN9ePWTVF7Ebe

Score
10/10
mercurialgrabberevasionspywarestealer

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/975244014364270683/FZnH_sfT1E7Axl_7pfCffp86xK6BWVM_UXXb74CN2p4kpHxH_6kuQsuzlglxNPVfnIm6

Targets

    • Target

      RBF.exe

    • Size

      41KB

    • MD5

      09d12c328c88bfdfef9dcc0927dca671

    • SHA1

      4f61a36bc05dbd9229b56db5ead4ea3d37e4308a

    • SHA256

      64e772d1da472d9da1dde4d9b070c1d9acf98d9819ec04058a0161f020022e49

    • SHA512

      4774119f1eb6f3f712fc29f7c7cceb31a67c62c01a6b7f09ccf17a85a4d78b3fed4f3a9532c353490f9058aae5db58d305a92a65a8e8039e7c123f48e73d1d51

    • SSDEEP

      768:escGoAxWdPN+wauZLePWTjZKZKfgm3Ehpe:tcVdPN9ePWTVF7Ebe

    Score
    10/10
    mercurialgrabberevasionspywarestealer

    • Mercurial Grabber Stealer

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

      stealermercurialgrabber

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • 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.

      spywarestealer

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

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

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks