Analysis

  • max time kernel
    135s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-09-2022 17:18

General

  • Target

    hello.exe

  • Size

    42KB

  • MD5

    39866366d230bd8c69ccc4831949616e

  • SHA1

    74b9be8befe4d1d846b7960e9cbb9b4e22420e67

  • SHA256

    70b21b931557dafb9b305b1ea9a4f50474f41cbe5cb7ab5d09fba9dfece07908

  • SHA512

    01d1c23a3f99d8fd64196c4f66be4eff8067f11d76c772015e05caafbc579e75f544a6655a73d6ad5093da6e78ff96dbdf8044dea20d5d357fbfd51f5e1a0620

  • SSDEEP

    768:PmL9D0zgOfTs+ZexuZXLQqTjQPKZKfgm3EhjK:eLYfTNZ5LQqTwF7ElK

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1015309550255087727/Qs85ghop6Q1y0sToejjw_2npe9heNIKrkIxsfMCiUtkdgJQujOLGGfchOKmoR4PRG8pr

Signatures

  • Mercurial Grabber Stealer

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hello.exe
    "C:\Users\Admin\AppData\Local\Temp\hello.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:3364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3364-135-0x0000000000E70000-0x0000000000E80000-memory.dmp

    Filesize

    64KB

  • memory/3364-136-0x00007FFB3D350000-0x00007FFB3DE11000-memory.dmp

    Filesize

    10.8MB

  • memory/3364-137-0x00007FFB3D350000-0x00007FFB3DE11000-memory.dmp

    Filesize

    10.8MB