Analysis

  • max time kernel
    122s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2023 20:58

General

  • Target

    473aac17809166bf28de22bc69be691d.exe

  • Size

    16.2MB

  • MD5

    473aac17809166bf28de22bc69be691d

  • SHA1

    9d04afca26ad22d4f9a67e6c0ee7c2598a33f899

  • SHA256

    be32373f5df36c7a3a9fa576fcc3dc31e242311538524c0052b92cb8af60642f

  • SHA512

    6931e334c39e7e6c44b614ac4156448122816b3385e3c6b099b68c0cc21047440d215e8ac289ef78ff6992829d33334d765b87a5c6062b305fe86b3b4a079eaa

  • SSDEEP

    24576:fwD3Xxz42akTMBIw8HSvYwgL2K9oU+7VkZ0f3iOm1rExLBnCq/L0sWaqt3zQbEH0:wz42akTMBx

Malware Config

Signatures

  • Shurk

    Shurk is an infostealer, written in C++ which appeared in 2021.

  • Shurk Stealer payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • GoLang User-Agent 3 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

Processes

  • C:\Users\Admin\AppData\Local\Temp\473aac17809166bf28de22bc69be691d.exe
    "C:\Users\Admin\AppData\Local\Temp\473aac17809166bf28de22bc69be691d.exe"
    1⤵
      PID:1728

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1728-0-0x0000000048BD0000-0x0000000049382000-memory.dmp

      Filesize

      7.7MB

    • memory/1728-1-0x000007FFFF790000-0x000007FFFFFAB000-memory.dmp

      Filesize

      8.1MB

    • memory/1728-14-0x0000000048BD0000-0x0000000049382000-memory.dmp

      Filesize

      7.7MB