General

  • Target

    869ac51c41c295b3d6dce7580280c8c352fa12c62821edf7bb60df3a27bc35e7

  • Size

    8.4MB

  • Sample

    220624-2vzt8aaga6

  • MD5

    49b3b8bd7e48d8810bd487485d4f0d0f

  • SHA1

    02ab9044729cb319e1ef54bbb148ced5975315af

  • SHA256

    869ac51c41c295b3d6dce7580280c8c352fa12c62821edf7bb60df3a27bc35e7

  • SHA512

    5784bbc2faa1150f01f0ed0f07361ad1d9dd84e2a551f1ca78ce3835fc2c9fd77e9f0bea69cdb74c380efef6d4de2b3dba47893b1a968febf55bf78a53085ca3

Malware Config

Targets

    • Target

      869ac51c41c295b3d6dce7580280c8c352fa12c62821edf7bb60df3a27bc35e7

    • Size

      8.4MB

    • MD5

      49b3b8bd7e48d8810bd487485d4f0d0f

    • SHA1

      02ab9044729cb319e1ef54bbb148ced5975315af

    • SHA256

      869ac51c41c295b3d6dce7580280c8c352fa12c62821edf7bb60df3a27bc35e7

    • SHA512

      5784bbc2faa1150f01f0ed0f07361ad1d9dd84e2a551f1ca78ce3835fc2c9fd77e9f0bea69cdb74c380efef6d4de2b3dba47893b1a968febf55bf78a53085ca3

    • CryptBot

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks