General

  • Target

    SecuriteInfo.com.Trojan.Heur.GM.0000436180.28007.17088

  • Size

    8.9MB

  • Sample

    201109-c5722c1kma

  • MD5

    a76688ac6e0e987395dbf946556b5354

  • SHA1

    b43bcf90a79164d553bb2b5cb0b4dfe9032074fa

  • SHA256

    68e0c8bcb14bc94813d8c6494966d1f32b60ccca1fb9d80996707abeee3d2db5

  • SHA512

    1eba98221d365c7e47a1f016874da214e9944fe4eb6b5d989039ba2dd7f6e7da56df21226a48dd9666e31bb912cdcd6645f5b35746e56ed3d37a0b518468b068

Malware Config

Targets

    • Target

      SecuriteInfo.com.Trojan.Heur.GM.0000436180.28007.17088

    • Size

      8.9MB

    • MD5

      a76688ac6e0e987395dbf946556b5354

    • SHA1

      b43bcf90a79164d553bb2b5cb0b4dfe9032074fa

    • SHA256

      68e0c8bcb14bc94813d8c6494966d1f32b60ccca1fb9d80996707abeee3d2db5

    • SHA512

      1eba98221d365c7e47a1f016874da214e9944fe4eb6b5d989039ba2dd7f6e7da56df21226a48dd9666e31bb912cdcd6645f5b35746e56ed3d37a0b518468b068

    • 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

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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