Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-03-2024 20:57

General

  • Target

    d1d9dcd9c5798957c8e931559c380e9c.exe

  • Size

    1.9MB

  • MD5

    d1d9dcd9c5798957c8e931559c380e9c

  • SHA1

    d1a0d99a3628e3a2f68041b944bdfc9d8fc2cca7

  • SHA256

    6af280a34b9d478a0f56433f5a00bbb64a98eaea2d63bb257593587c069e9a6c

  • SHA512

    abebc00f3a7f317d6970ad76b6a3e03fe68d5fec7c7594b9db91e3ebe7bca464cb53a40b3e74f96592e483c995f2bab06921d081ceb08e26c7e4e6dfebd4ce15

  • SSDEEP

    24576:yruWiJGT33cFU1XcRihl5GLwDsCT6xkaafxCB1Nq3+qkdtBfSRQkjRuDz9:mfDMFUZwiLgLWTAne3AtBfSPjRs

Malware Config

Extracted

Family

vidar

Version

16.6

Botnet

539

C2

http://barkeoikeilo.click/

Attributes
  • profile_id

    539

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Vidar Stealer 17 IoCs
  • 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 local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • 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 2FA software files, 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.

  • 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 NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d1d9dcd9c5798957c8e931559c380e9c.exe
    "C:\Users\Admin\AppData\Local\Temp\d1d9dcd9c5798957c8e931559c380e9c.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2492

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2492-0-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-1-0x0000000077640000-0x0000000077642000-memory.dmp
    Filesize

    8KB

  • memory/2492-2-0x00000000043E0000-0x00000000043E1000-memory.dmp
    Filesize

    4KB

  • memory/2492-3-0x0000000004430000-0x0000000004431000-memory.dmp
    Filesize

    4KB

  • memory/2492-5-0x0000000004460000-0x0000000004461000-memory.dmp
    Filesize

    4KB

  • memory/2492-4-0x00000000044A0000-0x00000000044A1000-memory.dmp
    Filesize

    4KB

  • memory/2492-6-0x0000000004490000-0x0000000004491000-memory.dmp
    Filesize

    4KB

  • memory/2492-7-0x00000000043B0000-0x00000000043B2000-memory.dmp
    Filesize

    8KB

  • memory/2492-8-0x00000000044C0000-0x00000000044C1000-memory.dmp
    Filesize

    4KB

  • memory/2492-9-0x00000000044B0000-0x00000000044B1000-memory.dmp
    Filesize

    4KB

  • memory/2492-10-0x0000000004450000-0x0000000004451000-memory.dmp
    Filesize

    4KB

  • memory/2492-14-0x00000000043C0000-0x00000000043C1000-memory.dmp
    Filesize

    4KB

  • memory/2492-13-0x0000000004480000-0x0000000004481000-memory.dmp
    Filesize

    4KB

  • memory/2492-12-0x0000000004470000-0x0000000004471000-memory.dmp
    Filesize

    4KB

  • memory/2492-11-0x0000000004370000-0x0000000004371000-memory.dmp
    Filesize

    4KB

  • memory/2492-15-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-17-0x00000000044D0000-0x00000000044D1000-memory.dmp
    Filesize

    4KB

  • memory/2492-18-0x0000000004440000-0x0000000004441000-memory.dmp
    Filesize

    4KB

  • memory/2492-16-0x00000000044E0000-0x00000000044E1000-memory.dmp
    Filesize

    4KB

  • memory/2492-19-0x00000000043F0000-0x00000000043F1000-memory.dmp
    Filesize

    4KB

  • memory/2492-20-0x0000000004420000-0x0000000004422000-memory.dmp
    Filesize

    8KB

  • memory/2492-25-0x00000000043D0000-0x00000000043D1000-memory.dmp
    Filesize

    4KB

  • memory/2492-24-0x0000000004390000-0x0000000004391000-memory.dmp
    Filesize

    4KB

  • memory/2492-23-0x00000000043A0000-0x00000000043A1000-memory.dmp
    Filesize

    4KB

  • memory/2492-26-0x0000000004400000-0x0000000004401000-memory.dmp
    Filesize

    4KB

  • memory/2492-27-0x0000000004380000-0x0000000004381000-memory.dmp
    Filesize

    4KB

  • memory/2492-28-0x0000000004410000-0x0000000004411000-memory.dmp
    Filesize

    4KB

  • memory/2492-34-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-35-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-36-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-37-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-38-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-39-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-40-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-41-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-42-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-43-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-46-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-47-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-48-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-49-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-50-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB

  • memory/2492-51-0x0000000000400000-0x00000000008BB000-memory.dmp
    Filesize

    4.7MB