Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 10:35

General

  • Target

    c9e8432363a8b3bd56bf6cd99e47c8cb4c3053d7c35b439194a3f37ffab8c32b.exe

  • Size

    2.2MB

  • MD5

    001ad1930c324d2a2ad00e975838690b

  • SHA1

    e17c59803f5ec3c8452d6bf75a148cd5a46c2a29

  • SHA256

    c9e8432363a8b3bd56bf6cd99e47c8cb4c3053d7c35b439194a3f37ffab8c32b

  • SHA512

    34ac21e9b6758bf5337ca453e02b1a4eb8001982e78f5a88d0a0d292af9432c452c199b1a7b6de25a575da05a28bdcceb93492116f2c1c934b05d0f5e60f70cb

Malware Config

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • 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.

  • Looks up external IP address via web service 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9e8432363a8b3bd56bf6cd99e47c8cb4c3053d7c35b439194a3f37ffab8c32b.exe
    "C:\Users\Admin\AppData\Local\Temp\c9e8432363a8b3bd56bf6cd99e47c8cb4c3053d7c35b439194a3f37ffab8c32b.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    PID:1820

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1820-130-0x00007FF7595E0000-0x00007FF759A01000-memory.dmp
    Filesize

    4.1MB