General

  • Target

    749a3882d05266212ebedcb49511b7fda71192511f97cac95501dae70f1e8512

  • Size

    2.1MB

  • Sample

    220521-nw32dahdak

  • MD5

    a078d1ec59b389b08d359afe86244523

  • SHA1

    ca92e87b36a8663442cc626aafaaf718f236cbff

  • SHA256

    749a3882d05266212ebedcb49511b7fda71192511f97cac95501dae70f1e8512

  • SHA512

    92db17ba86487cc204a0037d0ad700f6deded61d530d289b4ee5e15da075271aa8a671c6433aabc1adc90a735d12bf17b494b949a63ea3d72605cf773c5fc68b

Malware Config

Targets

    • Target

      749a3882d05266212ebedcb49511b7fda71192511f97cac95501dae70f1e8512

    • Size

      2.1MB

    • MD5

      a078d1ec59b389b08d359afe86244523

    • SHA1

      ca92e87b36a8663442cc626aafaaf718f236cbff

    • SHA256

      749a3882d05266212ebedcb49511b7fda71192511f97cac95501dae70f1e8512

    • SHA512

      92db17ba86487cc204a0037d0ad700f6deded61d530d289b4ee5e15da075271aa8a671c6433aabc1adc90a735d12bf17b494b949a63ea3d72605cf773c5fc68b

    • CryptBot

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

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

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Reads user/profile data of web browsers

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

    • 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.

    • 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

2
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks