Overview

overview

10

Static

static

10

0x00050000...57.exe

windows7-x64

10

0x00050000...57.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    44s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 23:29

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General

  • Target

    0x000500000000b2d2-57.exe

  • Size

    41KB

  • MD5

    5f34fc15a6555433e91d8dc0564d2092

  • SHA1

    dc786e4ddf9af8de8909da2489d2848dd39f762a

  • SHA256

    c35218e577fe12ad1aa6835840f5b762893aeaa7759ea39aef6ef6b15a954e8c

  • SHA512

    fb90d8cfddd514cfc196149169c64578c11433ad27d0a0efc7394eae6b7a2f458d9184b84eec730e1a1ae1c5248a6749e6f21cdad42e1387e33ba1a23766b238

  • SSDEEP

    768:escaIiIqfT6aGpDXswguZkeQWTjMKZKfgm3EhrB:tc1ofnGEeQWTYF7ERB

Score
10/10
mercurialgrabberevasionspywarestealer

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1020039781461270569/vy0h8kS-gC86OffrPKkierhCOJQYdMCGfu4Dr7HRyL4VcCHEP6llcvNaOkPDg-SgwAnl

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
  • 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
  • Modifies system certificate store 2 TTPs 6 IoCs
    evasionspywaretrojan
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x000500000000b2d2-57.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000500000000b2d2-57.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:1292
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1292 -s 1832
      2⤵
      • Program crash
      PID:1664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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/1292-54-0x0000000000320000-0x0000000000330000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1664-55-0x0000000000000000-mapping.dmp
    Download