Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 17:36

General

  • Target

    denpa.exe

  • Size

    108KB

  • MD5

    69b405e4d18d084a1e7a25600b9cbc16

  • SHA1

    8139bb13af87d68f39a28c79ae6ed642960b9a85

  • SHA256

    a7968cdc93342d68aec8cd202bdfca0533e084de71cdab5cb4831d0e60e3754a

  • SHA512

    4701a1c17271e2513fbbbd08e6e9c17bd5fd28056eaa6239ca455a6cbefe4c2d46a503998b5b102d9c8c80205328287fc4c3549b53f4153a401bfc7086bea082

  • SSDEEP

    768:Gkn3gimo5E9E//4MXuZDLaSTjyKZKfgm3Eh9v/a:Gkn36GEIDYLaSTGF7ETv/a

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1287063145159983124/AWTzhiH-kmIMh53lB0wafAJMj7zaL0MCPGqZzXaVpBKVg6_L2RHJw1_YZI2Qk4DLPoK5

Signatures

  • Mercurial Grabber Stealer

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\denpa.exe
    "C:\Users\Admin\AppData\Local\Temp\denpa.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:5104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5104-1-0x00000000004F0000-0x0000000000510000-memory.dmp

    Filesize

    128KB

  • memory/5104-0-0x00007FFD00303000-0x00007FFD00305000-memory.dmp

    Filesize

    8KB

  • memory/5104-2-0x00007FFD00300000-0x00007FFD00DC1000-memory.dmp

    Filesize

    10.8MB

  • memory/5104-3-0x00007FFD00303000-0x00007FFD00305000-memory.dmp

    Filesize

    8KB

  • memory/5104-4-0x00007FFD00300000-0x00007FFD00DC1000-memory.dmp

    Filesize

    10.8MB

  • memory/5104-8-0x00007FFD00300000-0x00007FFD00DC1000-memory.dmp

    Filesize

    10.8MB