Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-11-2024 21:26

General

  • Target

    c50f8f31c903a9f88b6bdec9b9f8962b.exe

  • Size

    4.1MB

  • MD5

    c50f8f31c903a9f88b6bdec9b9f8962b

  • SHA1

    39e30a482d13a431797c02a0d0c90fa9829981e2

  • SHA256

    5c6985e002a60d821fd7b029b2c5d04c3ee16bb619999202f6dbdf432d229989

  • SHA512

    6a2361e6bc5706b5ad0e8264b7767b620111d879dae1bdb463771a39422e20aac204eb25dc06c0820ec69260ffb2ae8e0d939982c865029e2252daeb9cc1f87d

  • SSDEEP

    49152:/xGK0l3e3ubtiuIv0ZVHnWmuQ5zrSmEvj1BZ:/xGK09yuQZ

Malware Config

Extracted

Family

meduza

C2

193.3.19.151

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    kanew

  • extensions

    .txt

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    false

Signatures

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

  • Meduza Stealer payload 9 IoCs
  • Meduza family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c50f8f31c903a9f88b6bdec9b9f8962b.exe
    "C:\Users\Admin\AppData\Local\Temp\c50f8f31c903a9f88b6bdec9b9f8962b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Users\Admin\AppData\Local\Temp\c50f8f31c903a9f88b6bdec9b9f8962b.exe
      C:\Users\Admin\AppData\Local\Temp\c50f8f31c903a9f88b6bdec9b9f8962b.exe
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2012-2-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-4-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-10-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-12-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-9-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp

    Filesize

    4KB

  • memory/2012-13-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-8-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-7-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-6-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-3-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-5-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-27-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2012-28-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB