Analysis

  • max time kernel
    109s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    23/02/2021, 07:20

General

  • Target
    v2.exe
  • Size 1.2MB
  • Sample210223-jv24rbgl6e
  • SHA256 4158eda852ee2f9ccbeceed05ff97af35dac101ed395f622ba41d93ef2ddfedc
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 2 IoCs
  • Executes dropped EXE 1 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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\v2.exe
    "C:\Users\Admin\AppData\Local\Temp\v2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3444

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1112-12-0x0000000005B11000-0x0000000005B12000-memory.dmp

        memory/1112-5-0x00000000054D0000-0x00000000054D1000-memory.dmp

        memory/1112-7-0x0000000005110000-0x0000000005111000-memory.dmp

        memory/1112-8-0x00000000059D0000-0x00000000059D1000-memory.dmp

        memory/1112-9-0x0000000005B10000-0x0000000005B11000-memory.dmp

        memory/1112-11-0x00000000067C0000-0x00000000067EF000-memory.dmp

        memory/1112-2-0x0000000073290000-0x000000007397E000-memory.dmp

        memory/1112-13-0x0000000006740000-0x000000000674B000-memory.dmp

        memory/1112-14-0x0000000006760000-0x0000000006761000-memory.dmp

        memory/1112-6-0x0000000005070000-0x0000000005071000-memory.dmp

        memory/1112-3-0x0000000000650000-0x0000000000651000-memory.dmp

        memory/3444-15-0x0000000000400000-0x000000000046A000-memory.dmp

        memory/3444-19-0x0000000073290000-0x000000007397E000-memory.dmp

        memory/3444-24-0x0000000005600000-0x0000000005601000-memory.dmp

        memory/3444-25-0x0000000006540000-0x0000000006541000-memory.dmp

        memory/3444-27-0x0000000006490000-0x0000000006491000-memory.dmp