Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    06-03-2022 22:09

General

  • Target

    eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe

  • Size

    2.4MB

  • MD5

    32bef1e15011ae8f2e5b8b0ee40f947a

  • SHA1

    6dad2a93b9487f0ea6caf96ddb8130fc3023bd7d

  • SHA256

    eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11

  • SHA512

    528425df1243b8b8a4f66de94de7d50a31ecb4b4937800e44815ce3a70fe637228de5bcc0c6bf23590d656f77fc749b02b863d9e2417f30c848589fb43ec0167

Malware Config

Signatures

  • Darkstealer

    Darkstealer is a file grabber, data stealer, and RAT.

  • Echelon

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

  • Echelon - DarkStealer Fork 2 IoCs

    Payload resembles modified variant of Echelon Stealer called DarkStealer.

  • 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.

  • Looks up external IP address via web service 5 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe
    "C:\Users\Admin\AppData\Local\Temp\eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Accesses Microsoft Outlook profiles
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:1664

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1664-55-0x00000000763F1000-0x00000000763F3000-memory.dmp

    Filesize

    8KB

  • memory/1664-56-0x0000000077990000-0x0000000077B10000-memory.dmp

    Filesize

    1.5MB

  • memory/1664-57-0x00000000774A0000-0x0000000077590000-memory.dmp

    Filesize

    960KB

  • memory/1664-58-0x0000000075830000-0x00000000758FC000-memory.dmp

    Filesize

    816KB

  • memory/1664-59-0x00000000751C0000-0x000000007520A000-memory.dmp

    Filesize

    296KB

  • memory/1664-60-0x0000000075130000-0x0000000075139000-memory.dmp

    Filesize

    36KB

  • memory/1664-61-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1664-62-0x00000000002F0000-0x00000000008C4000-memory.dmp

    Filesize

    5.8MB

  • memory/1664-63-0x00000000002F0000-0x00000000008C4000-memory.dmp

    Filesize

    5.8MB

  • memory/1664-64-0x00000000750B0000-0x0000000075130000-memory.dmp

    Filesize

    512KB

  • memory/1664-65-0x0000000075090000-0x000000007509B000-memory.dmp

    Filesize

    44KB

  • memory/1664-66-0x0000000075CA0000-0x0000000075D23000-memory.dmp

    Filesize

    524KB

  • memory/1664-67-0x00000000741B0000-0x000000007489E000-memory.dmp

    Filesize

    6.9MB

  • memory/1664-68-0x00000000741B0000-0x000000007489E000-memory.dmp

    Filesize

    6.9MB

  • memory/1664-69-0x00000000741B0000-0x000000007489E000-memory.dmp

    Filesize

    6.9MB

  • memory/1664-70-0x0000000007F60000-0x0000000007F61000-memory.dmp

    Filesize

    4KB

  • memory/1664-71-0x0000000073E30000-0x0000000073E47000-memory.dmp

    Filesize

    92KB

  • memory/1664-72-0x000000006EDB0000-0x000000006EE02000-memory.dmp

    Filesize

    328KB

  • memory/1664-73-0x0000000073E20000-0x0000000073E2D000-memory.dmp

    Filesize

    52KB

  • memory/1664-74-0x000000006ECD0000-0x000000006ED28000-memory.dmp

    Filesize

    352KB

  • memory/1664-75-0x0000000077040000-0x0000000077067000-memory.dmp

    Filesize

    156KB

  • memory/1664-76-0x0000000075AF0000-0x0000000075C0D000-memory.dmp

    Filesize

    1.1MB

  • memory/1664-77-0x0000000075AF0000-0x0000000075C0D000-memory.dmp

    Filesize

    1.1MB

  • memory/1664-78-0x000000006ECD0000-0x000000006ED28000-memory.dmp

    Filesize

    352KB

  • memory/1664-79-0x0000000075130000-0x0000000075139000-memory.dmp

    Filesize

    36KB

  • memory/1664-80-0x0000000075830000-0x00000000758FC000-memory.dmp

    Filesize

    816KB

  • memory/1664-81-0x00000000774A0000-0x0000000077590000-memory.dmp

    Filesize

    960KB

  • memory/1664-82-0x000000006EB10000-0x000000006EB18000-memory.dmp

    Filesize

    32KB

  • memory/1664-83-0x0000000077040000-0x0000000077067000-memory.dmp

    Filesize

    156KB

  • memory/1664-85-0x000000006EDB0000-0x000000006EE02000-memory.dmp

    Filesize

    328KB

  • memory/1664-84-0x0000000073E20000-0x0000000073E2D000-memory.dmp

    Filesize

    52KB

  • memory/1664-86-0x000000006ED90000-0x000000006EDA5000-memory.dmp

    Filesize

    84KB

  • memory/1664-87-0x0000000073E30000-0x0000000073E47000-memory.dmp

    Filesize

    92KB

  • memory/1664-88-0x0000000075250000-0x00000000752D4000-memory.dmp

    Filesize

    528KB

  • memory/1664-89-0x0000000075090000-0x000000007509B000-memory.dmp

    Filesize

    44KB

  • memory/1664-91-0x00000000751C0000-0x000000007520A000-memory.dmp

    Filesize

    296KB

  • memory/1664-90-0x00000000741B0000-0x000000007489E000-memory.dmp

    Filesize

    6.9MB