General

  • Target

    c704c7e9120eb4a56ebb38c6a6421bb6ad2f89caadbb2ac8bdea12ffdfc924b1

  • Size

    17.2MB

  • Sample

    210122-ghmf3zl52j

  • MD5

    eb8675ee3ff229c68929c17bfdbc39dc

  • SHA1

    443d5d405511367933e2fbf43f7c22024e276939

  • SHA256

    c704c7e9120eb4a56ebb38c6a6421bb6ad2f89caadbb2ac8bdea12ffdfc924b1

  • SHA512

    b2870c23d1bb0c666b0034f8959e698c4099ad9eb1d4061976d46f63b04a7577e2a926f634299c8e145084f9be29c6f567a1f95bed396e829c3b0eca955d6702

Malware Config

Targets

    • Target

      c704c7e9120eb4a56ebb38c6a6421bb6ad2f89caadbb2ac8bdea12ffdfc924b1

    • Size

      17.2MB

    • MD5

      eb8675ee3ff229c68929c17bfdbc39dc

    • SHA1

      443d5d405511367933e2fbf43f7c22024e276939

    • SHA256

      c704c7e9120eb4a56ebb38c6a6421bb6ad2f89caadbb2ac8bdea12ffdfc924b1

    • SHA512

      b2870c23d1bb0c666b0034f8959e698c4099ad9eb1d4061976d46f63b04a7577e2a926f634299c8e145084f9be29c6f567a1f95bed396e829c3b0eca955d6702

    • 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.

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • 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.

    • 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

    • Suspicious use of SetThreadContext

    • autoit_exe

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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

Command and Control

Web Service

1
T1102

Tasks