Analysis

  • max time kernel
    28s
  • max time network
    112s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    07/02/2023, 12:25

General

  • Target
    hesaphareketi-01.exe
  • Size 465KB
  • Sample230207-pll6jsbf52
  • SHA256 04678ba1322f3fcb1f5cfb0ef0389da80d1c786e753f74a39d38407558b3bf41
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot5843567515:AAEdtJWwcJKNn64U81CKVdG-li_Ejds8raM/sendMessage?chat_id=1639214896

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Temp\iglpkkbdzi.exe
      "C:\Users\Admin\AppData\Local\Temp\iglpkkbdzi.exe" C:\Users\Admin\AppData\Local\Temp\lgsct.nn
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1312
      • C:\Users\Admin\AppData\Local\Temp\iglpkkbdzi.exe
        "C:\Users\Admin\AppData\Local\Temp\iglpkkbdzi.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1440

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        iglpkkbdzi.exe

        • Path C:\Users\Admin\AppData\Local\Temp\iglpkkbdzi.exe
        • Size 130KB
        • SHA256 8fc86a0c5abd605a0d648d15c0d58b1de9f5d1ebf5cb3b027bec147ebdf64d9c
        • MD5 SHA1 SHA512 SSDEEP

        iglpkkbdzi.exe

        • Path C:\Users\Admin\AppData\Local\Temp\iglpkkbdzi.exe
        • Size 130KB
        • SHA256 8fc86a0c5abd605a0d648d15c0d58b1de9f5d1ebf5cb3b027bec147ebdf64d9c
        • MD5 SHA1 SHA512 SSDEEP

        iglpkkbdzi.exe

        • Path C:\Users\Admin\AppData\Local\Temp\iglpkkbdzi.exe
        • Size 130KB
        • SHA256 8fc86a0c5abd605a0d648d15c0d58b1de9f5d1ebf5cb3b027bec147ebdf64d9c
        • MD5 SHA1 SHA512 SSDEEP

        ityxutcn.dbi

        • Path C:\Users\Admin\AppData\Local\Temp\ityxutcn.dbi
        • Size 225KB
        • SHA256 d22f62bd71df24b2e3fbddf3bfc692891b06f8d3d2e30e632aec6bd7a077c9b0
        • MD5 SHA1 SHA512 SSDEEP

        lgsct.nn

        • Path C:\Users\Admin\AppData\Local\Temp\lgsct.nn
        • Size 7KB
        • SHA256 71735b575f4ef4c53559c6457fa8ddec20261038c9fc9fb922b71a55631d2f4e
        • MD5 SHA1 SHA512 SSDEEP

        iglpkkbdzi.exe

        • Path \Users\Admin\AppData\Local\Temp\iglpkkbdzi.exe
        • Size 130KB
        • SHA256 8fc86a0c5abd605a0d648d15c0d58b1de9f5d1ebf5cb3b027bec147ebdf64d9c
        • MD5 SHA1 SHA512 SSDEEP

        iglpkkbdzi.exe

        • Path \Users\Admin\AppData\Local\Temp\iglpkkbdzi.exe
        • Size 130KB
        • SHA256 8fc86a0c5abd605a0d648d15c0d58b1de9f5d1ebf5cb3b027bec147ebdf64d9c
        • MD5 SHA1 SHA512 SSDEEP

        memory/1160-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

        memory/1440-66-0x0000000000250000-0x0000000000276000-memory.dmp

        memory/1440-67-0x0000000000400000-0x0000000000437000-memory.dmp