Analysis

  • max time kernel
    110s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    08/01/2022, 15:59

General

  • Target
    20a4fb50d23656551638133aa3cb49dc.exe
  • Size 665KB
  • Sample220108-te3beadeel
  • SHA256 123f3e76c54fff0e2b50c7a5501b5d531ad16c6eebe301d52a72ba6f7d4efd8a
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

    suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\20a4fb50d23656551638133aa3cb49dc.exe
    "C:\Users\Admin\AppData\Local\Temp\20a4fb50d23656551638133aa3cb49dc.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Roaming\Green\neofim.exe
      neofim.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3176

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2336-116-0x00000000048E0000-0x00000000049AE000-memory.dmp

        memory/2336-117-0x0000000000400000-0x0000000002BDC000-memory.dmp

        memory/2336-115-0x0000000004810000-0x000000000487B000-memory.dmp

        memory/3176-128-0x00000000025C0000-0x00000000025F2000-memory.dmp

        memory/3176-132-0x0000000002593000-0x0000000002594000-memory.dmp

        memory/3176-123-0x00000000001C0000-0x00000000001F9000-memory.dmp

        memory/3176-124-0x0000000000400000-0x000000000047A000-memory.dmp

        memory/3176-125-0x0000000002592000-0x0000000002593000-memory.dmp

        memory/3176-126-0x0000000002590000-0x0000000002591000-memory.dmp

        memory/3176-127-0x0000000004B60000-0x000000000505E000-memory.dmp

        memory/3176-129-0x0000000005080000-0x0000000005686000-memory.dmp

        memory/3176-130-0x0000000005710000-0x0000000005722000-memory.dmp

        memory/3176-131-0x0000000005740000-0x000000000584A000-memory.dmp

        memory/3176-122-0x0000000002330000-0x0000000002364000-memory.dmp

        memory/3176-133-0x0000000005890000-0x00000000058CE000-memory.dmp

        memory/3176-134-0x00000000058E0000-0x000000000592B000-memory.dmp

        memory/3176-135-0x0000000002594000-0x0000000002596000-memory.dmp

        memory/3176-136-0x0000000005B80000-0x0000000005BE6000-memory.dmp

        memory/3176-137-0x0000000006230000-0x00000000062A6000-memory.dmp

        memory/3176-138-0x00000000062E0000-0x0000000006372000-memory.dmp

        memory/3176-139-0x00000000063D0000-0x00000000063EE000-memory.dmp

        memory/3176-140-0x0000000006700000-0x00000000068C2000-memory.dmp

        memory/3176-141-0x00000000068D0000-0x0000000006DFC000-memory.dmp