Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:13

General

  • Target

    7afc023a5e75b3afa7bbb2091a6170dbc3c895858f38ee5016dc1fa63e71a41f.exe

  • Size

    274KB

  • MD5

    9aca6f714263d9782126c97d7e0b06e1

  • SHA1

    83164afc9af65f2bbac9f11104cd749a0ce4cb38

  • SHA256

    7afc023a5e75b3afa7bbb2091a6170dbc3c895858f38ee5016dc1fa63e71a41f

  • SHA512

    64d2e0e004e5b767d5b92e5ddc5bdf0c2629b2457ea3e1371999db2b1a38329892dfd120d10579ffc41ec3db92043c80c8435b709791d421f3e6b18d6080a2c4

  • SSDEEP

    1536:Jc1C0eQWT+F7EIiXS0UUwfW4Yb/uE7SDhOaa:61ve5T+F7Eri0UUwfW4Yb/uE7SDhOaa

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1288901667378696305/Ld3vx4JK5uthMQySWRKj1BbYyngn7jZHuyKNgQFZYluhp1VI2lWyMrfi3zxaVADYWM2s

Signatures

  • Mercurial Grabber Stealer

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

  • Mercurialgrabber family
  • 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 3 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\7afc023a5e75b3afa7bbb2091a6170dbc3c895858f38ee5016dc1fa63e71a41f.exe
    "C:\Users\Admin\AppData\Local\Temp\7afc023a5e75b3afa7bbb2091a6170dbc3c895858f38ee5016dc1fa63e71a41f.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:1288
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1288 -s 1336
      2⤵
        PID:2872

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1288-0-0x000007FEF5023000-0x000007FEF5024000-memory.dmp

      Filesize

      4KB

    • memory/1288-1-0x00000000013A0000-0x00000000013EA000-memory.dmp

      Filesize

      296KB

    • memory/1288-2-0x000007FEF5020000-0x000007FEF5A0C000-memory.dmp

      Filesize

      9.9MB

    • memory/1288-3-0x000007FEF5023000-0x000007FEF5024000-memory.dmp

      Filesize

      4KB

    • memory/1288-4-0x000007FEF5020000-0x000007FEF5A0C000-memory.dmp

      Filesize

      9.9MB

    • memory/1288-5-0x000007FEF5020000-0x000007FEF5A0C000-memory.dmp

      Filesize

      9.9MB