General

  • Target

    55e7693d5a0b716ad7ab1dcccc415f3f.exe

  • Size

    2.7MB

  • Sample

    211227-vnj2vsbebl

  • MD5

    55e7693d5a0b716ad7ab1dcccc415f3f

  • SHA1

    191303ed147c489d4b81838d60f932bf6c16c521

  • SHA256

    43177ddc1570d4f98b6dfcea2df466e25910143d37c1a006c85deafecf2ff200

  • SHA512

    4927bb43bc86062951e209448eeb2841de0918aa548604f0f4549ca636015f48034e7253a1599cd7c178c39613d31417e5cd80f050fa0f90df9b451cfb6e3cb6

Malware Config

Extracted

Family

cryptbot

C2

daipey72.top

morboh07.top

Targets

    • Target

      55e7693d5a0b716ad7ab1dcccc415f3f.exe

    • Size

      2.7MB

    • MD5

      55e7693d5a0b716ad7ab1dcccc415f3f

    • SHA1

      191303ed147c489d4b81838d60f932bf6c16c521

    • SHA256

      43177ddc1570d4f98b6dfcea2df466e25910143d37c1a006c85deafecf2ff200

    • SHA512

      4927bb43bc86062951e209448eeb2841de0918aa548604f0f4549ca636015f48034e7253a1599cd7c178c39613d31417e5cd80f050fa0f90df9b451cfb6e3cb6

    • 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