Overview

overview

10

Static

static

3

RoExec.exe

windows10-1703-x64

10

Analysis

  • max time kernel
    25s
  • max time network
    20s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01-04-2024 11:27

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    RoExec.exe

  • Size

    271KB

  • MD5

    01ec5c8ccdd0654447f48da1f06d007b

  • SHA1

    8b192697a16e7efb50a2ea1887a2740a9813ec9b

  • SHA256

    c4fe95d711086d4775dd36811da8884cb18bbaaae57c7d28d1f9ef6f5f1a155d

  • SHA512

    87972a7522d73acd70d213a60315cf2e0431918a7b8e2a9843444144742a9d4e34e0c9dee5bcce967561c97b254062b2ca0dd47011ae3b45a17ef76232e1e560

  • SSDEEP

    6144:JahOhp0yN90QEeJWO7f6vkpef83WTbrh:Jity90IWUf6vkQf7R

Score
10/10
mercurialgrabberevasionpersistencespywarestealer

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1224318427007553536/ArJOiDd6uVNGowyvHw3m8UyjhfWEHyhEsW-c8zyiBA_iyXPsCUyOIFcK0e1dm9GeKSMP

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.

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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 5 IoCs
    evasionspywaretrojan
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RoExec.exe
    "C:\Users\Admin\AppData\Local\Temp\RoExec.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ro_Exec.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ro_Exec.EXE
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4320
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RO-Exec.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RO-Exec.exe
        3⤵
        • Looks for VirtualBox Guest Additions in registry
        • Looks for VMWare Tools registry key
        • Checks BIOS information in registry
        • Executes dropped EXE
        • 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
        PID:3564

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ro_Exec.EXE
    Filesize

    172KB

    MD5

    4809d13ec07c26eed8f1c67bbb5939d3

    SHA1

    83a6cb2ba29e83b801a2feea9cc50cd71412dd53

    SHA256

    52fa751e67fd2b62727cc1a70506686f8b98bda0141ec00f298cc49930ad681a

    SHA512

    7dd61342b87e72c4d6e9bbb6fc04fbefac33efa71e3d5e01bebb78e75a1769c7afdf757655f72f49e3a08143b51c418c642953569e08473fc73ea96a9f164cdf

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RO-Exec.exe
    Filesize

    41KB

    MD5

    71137607ad18e4c9ae274078410ad7e4

    SHA1

    16939bec57c23a548d4796cbd68e1a3984edbab8

    SHA256

    6d5ff991fa33b17d91e31ae41fbb3708ea4c040ccde24ad01cbb8ade4fee0aa3

    SHA512

    8014e1e41aad1376cbabf1621e9aad771bb4b1187543a348dc6b462b48034c8249339f04126b5520d0b069940356348ef43a172c38900bb1180dc73253ef52ec

    Download Submit
  • memory/3564-9-0x0000000000D80000-0x0000000000D90000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3564-10-0x00007FFA15A40000-0x00007FFA1642C000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/3564-11-0x000000001BA20000-0x000000001BA30000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3564-14-0x00007FFA15A40000-0x00007FFA1642C000-memory.dmp
    Filesize

    9.9MB

    Download
  • memory/3564-15-0x000000001BA20000-0x000000001BA30000-memory.dmp
    Filesize

    64KB

    Download