Analysis

  • max time kernel
    4294180s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    20-03-2022 01:59

General

  • Target

    d117bb94ace706283addab84a8c3fcd5b93591fc527f0664299dcefabc2a90d3.exe

  • Size

    2.4MB

  • MD5

    2ce52a25ec3c74b4a0608e8d0fdec0ff

  • SHA1

    d60c64e1333c214db1b37b3d706e10bbc794c3af

  • SHA256

    d117bb94ace706283addab84a8c3fcd5b93591fc527f0664299dcefabc2a90d3

  • SHA512

    9d90b5b6b2b599b791ee938786879cd27fb491878316292fa0e15d34d62060fd717a49bcbc2aa0079d74af053cb452cb82c83f535ce8cc0e871ca1e776fa8397

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Echelon log file 1 IoCs

    Detects a log file produced by Echelon.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 4 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d117bb94ace706283addab84a8c3fcd5b93591fc527f0664299dcefabc2a90d3.exe
    "C:\Users\Admin\AppData\Local\Temp\d117bb94ace706283addab84a8c3fcd5b93591fc527f0664299dcefabc2a90d3.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Accesses Microsoft Outlook profiles
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 2200
      2⤵
      • Program crash
      PID:1576

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1932-54-0x0000000075D31000-0x0000000075D33000-memory.dmp

    Filesize

    8KB

  • memory/1932-56-0x0000000000D60000-0x00000000013B8000-memory.dmp

    Filesize

    6.3MB

  • memory/1932-58-0x0000000075040000-0x000000007504B000-memory.dmp

    Filesize

    44KB

  • memory/1932-59-0x0000000000D60000-0x00000000013B8000-memory.dmp

    Filesize

    6.3MB

  • memory/1932-57-0x0000000077790000-0x0000000077910000-memory.dmp

    Filesize

    1.5MB

  • memory/1932-60-0x0000000075050000-0x000000007509A000-memory.dmp

    Filesize

    296KB

  • memory/1932-61-0x0000000074F60000-0x0000000074F69000-memory.dmp

    Filesize

    36KB

  • memory/1932-62-0x00000000745E0000-0x0000000074CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-63-0x0000000075210000-0x0000000075300000-memory.dmp

    Filesize

    960KB

  • memory/1932-64-0x0000000075A60000-0x0000000075B2C000-memory.dmp

    Filesize

    816KB

  • memory/1932-65-0x0000000074DE0000-0x0000000074E60000-memory.dmp

    Filesize

    512KB

  • memory/1932-66-0x00000000758A0000-0x0000000075923000-memory.dmp

    Filesize

    524KB

  • memory/1932-67-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-68-0x0000000074DC0000-0x0000000074DCE000-memory.dmp

    Filesize

    56KB

  • memory/1932-69-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-70-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-71-0x0000000006000000-0x0000000006001000-memory.dmp

    Filesize

    4KB

  • memory/1932-72-0x0000000006005000-0x0000000006016000-memory.dmp

    Filesize

    68KB

  • memory/1932-73-0x0000000075940000-0x0000000075A5D000-memory.dmp

    Filesize

    1.1MB

  • memory/1932-74-0x0000000073E50000-0x0000000073E67000-memory.dmp

    Filesize

    92KB

  • memory/1932-76-0x0000000006016000-0x0000000006017000-memory.dmp

    Filesize

    4KB

  • memory/1932-75-0x000000006EBB0000-0x000000006EC02000-memory.dmp

    Filesize

    328KB

  • memory/1932-77-0x0000000073C50000-0x0000000073C5D000-memory.dmp

    Filesize

    52KB

  • memory/1932-78-0x000000006EB10000-0x000000006EB68000-memory.dmp

    Filesize

    352KB

  • memory/1932-79-0x0000000076CB0000-0x0000000076CD7000-memory.dmp

    Filesize

    156KB

  • memory/1932-80-0x0000000006017000-0x0000000006018000-memory.dmp

    Filesize

    4KB