Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2024 01:03

General

  • Target

    b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe

  • Size

    585KB

  • MD5

    d25d1dcee63d3bbfdc49aba027523a0e

  • SHA1

    e548db4e62cb4fd8a7a60ff45c9ed3d1eb67765a

  • SHA256

    b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6

  • SHA512

    6bedb1a8a874982b3411f4cca18ae5dc1655b3c690e25a271249f055623c4e7ad94682c29fb61fcc4da4eabf04c91a3e09f54ac5c2288c292ba23f584446c00d

  • SSDEEP

    12288:JxUODVR9ZLJLUf9snBS4csPYae6qfzbAA:JiODVR9hhUF54clNf7bB

Score
10/10

Malware Config

Signatures

  • Detects Echelon Stealer payload 2 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe
    "C:\Users\Admin\AppData\Local\Temp\b81af7454823adcacd6be76456d33618654ab670ede042e3a74ba4435ce58ef6.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2444 -s 1176
      2⤵
        PID:2296

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2444-0-0x00000000013C0000-0x0000000001458000-memory.dmp

      Filesize

      608KB

    • memory/2444-1-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp

      Filesize

      9.9MB

    • memory/2444-2-0x000000001B440000-0x000000001B4C0000-memory.dmp

      Filesize

      512KB

    • memory/2444-3-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp

      Filesize

      9.9MB

    • memory/2444-4-0x000000001B440000-0x000000001B4C0000-memory.dmp

      Filesize

      512KB