General

  • Target

    df80e2baa39df168def0153a2da053a2

  • Size

    3.0MB

  • Sample

    240326-syyxnadb79

  • MD5

    df80e2baa39df168def0153a2da053a2

  • SHA1

    85c6fb34424276b3570c23c48e04552ffa2c1d4f

  • SHA256

    6b7bb728fed4545f0e4b9d3ab78e8f008d78f635d1a9f118a1b962d466c2118d

  • SHA512

    6dbf0a2d4c883c77afa428ef8d36f34b04d0cf2c460d696f78824ee3b55add701cf83651f13679ed801e8a0790fc48181660ef03c798ff5749d19421b6322620

  • SSDEEP

    49152:i26B4s8A+F1PPbpNwOD5iIUJaQVSn0CPW3ABy1n8kyNeC3qRiwQcvqPxB1Y:in8tlTBUgiE0QW3ABE1yNtWQfY

Malware Config

Extracted

Family

cryptbot

C2

bundky32.top

morfug03.top

Attributes
  • payload_url

    http://tobhay04.top/download.php?file=lv.exe

Targets

    • Target

      df80e2baa39df168def0153a2da053a2

    • Size

      3.0MB

    • MD5

      df80e2baa39df168def0153a2da053a2

    • SHA1

      85c6fb34424276b3570c23c48e04552ffa2c1d4f

    • SHA256

      6b7bb728fed4545f0e4b9d3ab78e8f008d78f635d1a9f118a1b962d466c2118d

    • SHA512

      6dbf0a2d4c883c77afa428ef8d36f34b04d0cf2c460d696f78824ee3b55add701cf83651f13679ed801e8a0790fc48181660ef03c798ff5749d19421b6322620

    • SSDEEP

      49152:i26B4s8A+F1PPbpNwOD5iIUJaQVSn0CPW3ABy1n8kyNeC3qRiwQcvqPxB1Y:in8tlTBUgiE0QW3ABE1yNtWQfY

    • 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.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Tasks