Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250210-en
  • resource tags

    arch:x64arch:x86image:win11-20250210-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12-02-2025 20:19

General

  • Target

    random.exe

  • Size

    6.2MB

  • MD5

    f26b4d7cc2be7f4290585ebfaa5aa130

  • SHA1

    ceff08f33740d85ec2dbdfeed0760944f87ca0c8

  • SHA256

    c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773

  • SHA512

    2860fcbeb0cbc52a3088f1c65263320cbd72c8fcfdd7b5aa73be99e8dcde01079be4a7627e70a6a33a838a250a9b3441d421dbcd353872722a08dc67e4e8d23a

  • SSDEEP

    98304:7e8hyXkH2Sw3+mwpNs2zZlKo6JCEBPI16THCRiWnBat/YOwZ:vwA6Gy29UknBaG

Malware Config

Extracted

Family

cryptbot

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file 1 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.

  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\random.exe
    "C:\Users\Admin\AppData\Local\Temp\random.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:3688
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjIiIGluc3RhbGxkYXRldGltZT0iMTczOTE4NDA0OCIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNjU1NTg2OTkzMDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjUwODYzMzQ4NTkiLz48L2FwcD48L3JlcXVlc3Q-
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:2172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3688-0-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-1-0x0000000077456000-0x0000000077458000-memory.dmp

    Filesize

    8KB

  • memory/3688-2-0x00000000002B1000-0x000000000054B000-memory.dmp

    Filesize

    2.6MB

  • memory/3688-3-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-4-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-5-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-6-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-7-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-8-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-9-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-10-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-11-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-12-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-13-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-15-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-16-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-17-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-18-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-19-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-20-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-21-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-22-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-23-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-24-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB

  • memory/3688-25-0x00000000002B0000-0x0000000001091000-memory.dmp

    Filesize

    13.9MB