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Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2024, 11:41

General

  • Target

    bb2b2b0895756fd5142c988de1f5c84f.exe

  • Size

    41KB

  • MD5

    bb2b2b0895756fd5142c988de1f5c84f

  • SHA1

    7494cf710fa922192791cc5a889b8cc9706bc0b3

  • SHA256

    ce173fa07b33e16818072aab8b20a82421a15b94ad5229ef67e68a756d866d33

  • SHA512

    029e6719bbbb3f883c01851635b91f92796b0ca1f79db6c570e36b932bc4b04d57dbcc3cba12fa27ba9b90baf48f1f3df52f73a5d052db66487352ab79ae2aa8

  • SSDEEP

    768:pscG4ApfT6ahzpDXswIuZkewWTjnKZKfgm3EhUl:2cKfnhz8ewWTTF7ESl

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/881135031840555018/Cwpb3LuVEmAT77ddMGaTm5KWYLsGcH82bCQYdFdnlYu0Cesq7tUcYPID937LwEyUJUdI

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 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb2b2b0895756fd5142c988de1f5c84f.exe
    "C:\Users\Admin\AppData\Local\Temp\bb2b2b0895756fd5142c988de1f5c84f.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
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:3604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3604-0-0x0000000000F60000-0x0000000000F70000-memory.dmp

    Filesize

    64KB

  • memory/3604-1-0x00007FFFB7DE0000-0x00007FFFB88A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3604-2-0x000000001BBC0000-0x000000001BBD0000-memory.dmp

    Filesize

    64KB

  • memory/3604-8-0x00007FFFB7DE0000-0x00007FFFB88A1000-memory.dmp

    Filesize

    10.8MB