Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 08:05

General

  • Target

    RFQ-00032035.pdf.scr.exe

  • Size

    186KB

  • MD5

    f94739fa1c01af70dc687f3f1e7ced5e

  • SHA1

    64da75cc4a376ac065ad91685c999454b84315c8

  • SHA256

    3bd171894c0bb17316c03fa84102290f5c8e9113f4e99e44863c4057c15dfcbe

  • SHA512

    f4c9b431e623f0a82ee712c9089f78bf0fbb5672f389a5b7a22685bc33129b77065b944e2ee382fb9afd2c8c401086e400226e9a557614b82466c1e978ad35d5

  • SSDEEP

    3072:I42wNqmO/BAyo5ovaZieQIaZ0OxMkWf3/3PmWW6c37GQL8VgeJpNg6LK/1lZqdH+:VNr6vaZYlMkWf3/3PmWWh7G7pLKNl3Z

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3492
      • C:\Users\Admin\AppData\Local\Temp\RFQ-00032035.pdf.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ-00032035.pdf.scr.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1636
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1636-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

      Filesize

      4KB

    • memory/1636-1-0x0000000000F00000-0x0000000000F34000-memory.dmp

      Filesize

      208KB

    • memory/1636-2-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-3-0x00000000747CE000-0x00000000747CF000-memory.dmp

      Filesize

      4KB

    • memory/1636-4-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-5-0x00000000063A0000-0x0000000006486000-memory.dmp

      Filesize

      920KB

    • memory/1636-13-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-23-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-57-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-69-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-67-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-65-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-63-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-61-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-59-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-55-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-53-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-51-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-49-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-47-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-45-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-43-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-41-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-39-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-37-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-33-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-31-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-29-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-27-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-25-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-21-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-19-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-17-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-15-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-11-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-9-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-7-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-35-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-6-0x00000000063A0000-0x0000000006481000-memory.dmp

      Filesize

      900KB

    • memory/1636-1080-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-1081-0x0000000006730000-0x0000000006792000-memory.dmp

      Filesize

      392KB

    • memory/1636-1082-0x00000000067F0000-0x000000000683C000-memory.dmp

      Filesize

      304KB

    • memory/1636-1087-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-1086-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-1088-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-1089-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-1090-0x0000000006F50000-0x00000000074F4000-memory.dmp

      Filesize

      5.6MB

    • memory/1636-1091-0x0000000006840000-0x0000000006894000-memory.dmp

      Filesize

      336KB

    • memory/1636-1093-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-1094-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-1096-0x0000000004950000-0x00000000049EC000-memory.dmp

      Filesize

      624KB

    • memory/4588-1095-0x0000000000150000-0x0000000000176000-memory.dmp

      Filesize

      152KB

    • memory/4588-1097-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-1098-0x0000000005CC0000-0x0000000005D10000-memory.dmp

      Filesize

      320KB

    • memory/4588-1099-0x0000000005EE0000-0x00000000060A2000-memory.dmp

      Filesize

      1.8MB

    • memory/4588-1100-0x0000000005DB0000-0x0000000005E42000-memory.dmp

      Filesize

      584KB

    • memory/4588-1101-0x0000000005D40000-0x0000000005D4A000-memory.dmp

      Filesize

      40KB

    • memory/4588-1102-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-1103-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB