Overview

overview

10

Static

static

10

Fortnitege...ed.exe

windows7_x64

10

Fortnitege...ed.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    97s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    09-06-2022 11:06

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General

  • Target

    FortnitegenUpdated.exe

  • Size

    57KB

  • MD5

    975a05938ac5db977386fa5786c31a1a

  • SHA1

    4e987d5b99b7e01d1d55c0465ff796224b3d9c0c

  • SHA256

    179bf484901224102ac56c7191af08e85ce933c8b8997c971e4a241d6fe70dfe

  • SHA512

    87d08a2e6fdaa2d65a82d18f2cce6e4c2a358022e33709151399b3242a024bc39c987e4aac9ba099d7241b93d8cddced7c691b33a5048a23a5798bf474961dbe

Score
10/10
mercurialgrabberevasionspywarestealersuricata

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/970281661377937418/Mz9gbWbS5Zg8MvehHxS1RhN_SCz7z8QHf3HMOOD0gCyTGqUrttiJvVim6lz2FEWRQIzm

Signatures

  • Mercurial Grabber Stealer

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

    stealermercurialgrabber
  • suricata: ET MALWARE NightfallGT Mercurial Grabber

    suricata: ET MALWARE NightfallGT Mercurial Grabber

    suricata
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FortnitegenUpdated.exe
    "C:\Users\Admin\AppData\Local\Temp\FortnitegenUpdated.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:4476
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4476 -s 2172
      2⤵
      • Program crash
      PID:4724
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 432 -p 4476 -ip 4476
    1⤵
      PID:5040

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    1
    T1081

    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

    Replay Monitor

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    Downloads

    • memory/4476-130-0x0000000000DD0000-0x0000000000DE4000-memory.dmp
      Filesize

      80KB

      Download
    • memory/4476-131-0x00007FFB62E30000-0x00007FFB638F1000-memory.dmp
      Filesize

      10.8MB

      Download
    • memory/4476-132-0x00007FFB62E30000-0x00007FFB638F1000-memory.dmp
      Filesize

      10.8MB

      Download
    • memory/4476-133-0x00007FFB62E30000-0x00007FFB638F1000-memory.dmp
      Filesize

      10.8MB

      Download