Analysis

  • max time kernel
    28s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 22:48

General

  • Target

    webasyst_setup.exe

  • Size

    6.7MB

  • MD5

    391c1142922e6d1d4140951189389686

  • SHA1

    6cdf126c5baf6b6c007ad11d6337ec1c88110aa6

  • SHA256

    0184bb6d205e0e2ee19539f583151d865d35db0416244ed5ea904a054a5d512b

  • SHA512

    47a68b776db5658cd91718a3466e303e1ce39cd9a463fd40ce7b6623971df68661416cd698587b29c1a5f260888f7d36d1a195aed3c7ef4e44601ae308a29398

  • SSDEEP

    3072:dY3cIsXtP0wGlS5TbZuwEKSKO9jVLwgUVe:FdGlEtEKC9jVkJV

Malware Config

Extracted

Family

phemedrone

C2

https://rakishevkenes.com/wp-load.php

Signatures

  • Phemedrone

    An information and wallet stealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\webasyst_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\webasyst_setup.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1988
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:2676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1988-0-0x0000000000E30000-0x0000000000E54000-memory.dmp

      Filesize

      144KB

    • memory/1988-1-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

      Filesize

      9.9MB

    • memory/1988-2-0x000000001B2B0000-0x000000001B330000-memory.dmp

      Filesize

      512KB

    • memory/1988-3-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

      Filesize

      9.9MB