General

  • Target

    file_2.exe

  • Size

    2.5MB

  • Sample

    211229-rdqj4sehh5

  • MD5

    9176db54f9eec97d7900bb5e5aa97d62

  • SHA1

    d58d81ee1e2eb302f8c059e3f02a2c1b3a880889

  • SHA256

    192ea5280a05d8d5fb39c4834befe628a396e4cd5a898ebb3967466b4295774f

  • SHA512

    aa38e8b75cfcca6fd1989717510d6ce04847fd492c8da236dbb11a4cd9ee14539d5955acd43b98ccbcd2c49dea33b38ffd02d306109cb76861ea2d4c94d55769

Malware Config

Extracted

Family

cryptbot

C2

hevahu32.top

morypd03.top

Attributes
  • payload_url

    http://kyrpbr04.top/download.php?file=orrery.exe

Targets

    • Target

      file_2.exe

    • Size

      2.5MB

    • MD5

      9176db54f9eec97d7900bb5e5aa97d62

    • SHA1

      d58d81ee1e2eb302f8c059e3f02a2c1b3a880889

    • SHA256

      192ea5280a05d8d5fb39c4834befe628a396e4cd5a898ebb3967466b4295774f

    • SHA512

      aa38e8b75cfcca6fd1989717510d6ce04847fd492c8da236dbb11a4cd9ee14539d5955acd43b98ccbcd2c49dea33b38ffd02d306109cb76861ea2d4c94d55769

    • 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.

    • Deletes itself

    • 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 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

Tasks