General

  • Target

    f460acfcc99c9338b3f5fb3793f6cbb15daf76c2a79fd05f7398af5346150801

  • Size

    2.6MB

  • Sample

    220117-ed2k6aghdr

  • MD5

    1d00723292d3b8bda50c59d040c27087

  • SHA1

    76aedfcff7e298d862354db00ee2c4575da72b42

  • SHA256

    f460acfcc99c9338b3f5fb3793f6cbb15daf76c2a79fd05f7398af5346150801

  • SHA512

    03ef6b83ccff99155be15ca8ac83bb2ada8570a1f5dfbf983db7c6fc6220ca8aa1555988dc72fb08a39ac6d73f8c77c75cdd875249912f9db720a2d5bcbad76a

Malware Config

Extracted

Family

cryptbot

C2

zyoyol62.top

morpsy06.top

Attributes
  • payload_url

    http://yapcbx08.top/download.php?file=inrhed.exe

Targets

    • Target

      f460acfcc99c9338b3f5fb3793f6cbb15daf76c2a79fd05f7398af5346150801

    • Size

      2.6MB

    • MD5

      1d00723292d3b8bda50c59d040c27087

    • SHA1

      76aedfcff7e298d862354db00ee2c4575da72b42

    • SHA256

      f460acfcc99c9338b3f5fb3793f6cbb15daf76c2a79fd05f7398af5346150801

    • SHA512

      03ef6b83ccff99155be15ca8ac83bb2ada8570a1f5dfbf983db7c6fc6220ca8aa1555988dc72fb08a39ac6d73f8c77c75cdd875249912f9db720a2d5bcbad76a

    • 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 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