Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-08-2024 18:05

General

  • Target

    e1d670f21441ec457fe5c3469781c101c36b4fe04b2ffc1a2e89eb630ff0165a.exe

  • Size

    42KB

  • MD5

    86f50736cb36ef4c1f635480221db309

  • SHA1

    4e1a9cee359def9f13a9526e6777433df44448d4

  • SHA256

    e1d670f21441ec457fe5c3469781c101c36b4fe04b2ffc1a2e89eb630ff0165a

  • SHA512

    656f582f51531bf0d23d0b17eed991b2286504d69a13c431adfd391c81f32718775d934711af897db0670771c0f9bb51f8fc44b6486351f275b52bbebc0067e3

  • SSDEEP

    768:ciSb4etQDGm88uZGLTOTjGKZKfgm3Ehcy:ct4SQD84LTOTyF7ESy

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1271524572986081351/vNrcEfNWPV35KkYiGtVh2NaZB_4a4uGfbaOAe2oVr7jGqwHkIB78Aj1CzHbPqMm3KbjD

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 3 IoCs
  • 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1d670f21441ec457fe5c3469781c101c36b4fe04b2ffc1a2e89eb630ff0165a.exe
    "C:\Users\Admin\AppData\Local\Temp\e1d670f21441ec457fe5c3469781c101c36b4fe04b2ffc1a2e89eb630ff0165a.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
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1908 -s 1396
      2⤵
        PID:2588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1908-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

      Filesize

      4KB

    • memory/1908-1-0x00000000000A0000-0x00000000000B0000-memory.dmp

      Filesize

      64KB

    • memory/1908-2-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

      Filesize

      9.9MB

    • memory/1908-3-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

      Filesize

      4KB

    • memory/1908-4-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

      Filesize

      9.9MB