Analysis

  • max time kernel
    124s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29/09/2021, 06:22

General

  • Target
    DHL AWB# 4AB19037XXX.pdf.exe
  • Size 5KB
  • Sample210929-g4xe8sdge6
  • SHA256 f260c80e685986ac80122c63fcc494891baf4d688668da8f7fa11e38d7f8d1b8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    smtp

  • Host

    smtp.alicoandsons.com

  • Port

    587

  • Password

    Usman12345

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Downloads MZ/PE file
  • Adds Run key to start application 2 TTPs 1 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL AWB# 4AB19037XXX.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL AWB# 4AB19037XXX.pdf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1872

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/628-114-0x0000000000150000-0x0000000000151000-memory.dmp

        memory/628-116-0x000000001AD00000-0x000000001AD02000-memory.dmp

        memory/628-117-0x0000000002150000-0x0000000002161000-memory.dmp

        memory/1872-118-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1872-122-0x0000000005380000-0x0000000005381000-memory.dmp

        memory/1872-123-0x0000000004F60000-0x0000000004F61000-memory.dmp

        memory/1872-124-0x0000000004E80000-0x000000000537E000-memory.dmp

        memory/1872-125-0x0000000006050000-0x0000000006051000-memory.dmp

        memory/1872-126-0x0000000005F20000-0x0000000005F21000-memory.dmp

        memory/1872-127-0x0000000005EB0000-0x0000000005EB1000-memory.dmp