Overview

overview

10

Static

static

10

blazed_woofer.exe

windows7-x64

10

blazed_woofer.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    15-05-2024 23:36

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General

  • Target

    blazed_woofer.exe

  • Size

    91KB

  • MD5

    2acc21dd0e5cd32a4a4b18788c2f2987

  • SHA1

    c0ca0fb07c6dd87b79d285c2446435cd20cad849

  • SHA256

    b5b783a542d49a00d941dfd70cecd52b78f11aa930e7cd56c62a5fb736879866

  • SHA512

    5baa6de8d39407f3f0480866b01b66d90a98581ee5f74bf0b618d294eb80559ab64213436b2aeaa54ddcbe17146100f9074bf4950f07e45b678f1a6ab2d011f8

  • SSDEEP

    768:6CKR5YzOfnuZwL7gCTj/KZKfgm3EhQpkTzNcGSY0j0eXAt:mYzOftL7gCTTF7E+pCF

Score
10/10
mercurialgrabberevasionspywarestealer

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1240445904775807058/6_g5rqN3CsnDQO5XS8yerOBz9aGjobHi-z9J_tvi6O0Ve-0skG3YKLemRBTJDRwZopVq

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
  • 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 3 IoCs
  • 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.

  • 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
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\blazed_woofer.exe
    "C:\Users\Admin\AppData\Local\Temp\blazed_woofer.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
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1268 -s 1828
      2⤵
        PID:2564
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:2632

      Network

      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

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1268-0-0x000007FEF5883000-0x000007FEF5884000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1268-1-0x0000000000D50000-0x0000000000D6C000-memory.dmp
        Filesize

        112KB

        Download
      • memory/1268-2-0x000007FEF5880000-0x000007FEF626C000-memory.dmp
        Filesize

        9.9MB

        Download
      • memory/1268-3-0x000007FEF5883000-0x000007FEF5884000-memory.dmp
        Filesize

        4KB

        Download
      • memory/1268-4-0x000007FEF5880000-0x000007FEF626C000-memory.dmp
        Filesize

        9.9MB

        Download
      • memory/1268-5-0x000007FEF5880000-0x000007FEF626C000-memory.dmp
        Filesize

        9.9MB

        Download