General

  • Target

    mixshop_20211222-153046

  • Size

    2.6MB

  • Sample

    211222-v6tn1sfgc3

  • MD5

    d6067855ac984e670b392dd61df3d362

  • SHA1

    9320204b0d517cc239a948514982540e6652bbff

  • SHA256

    5794e9722cdb1ec697ee0ae9fe5464fb9e85ba3157485d6ecb9cea44455cf37a

  • SHA512

    583db7379dd2f7730a2efcf25a118170f59edf6e332f9b946b63df6323317b4d6ff155f9fa4c64041efdc7880fd70714c14b053f2d6ceb330b8ded35e55a8ce9

Malware Config

Extracted

Family

cryptbot

C2

daispg32.top

morsvo03.top

Targets

    • Target

      mixshop_20211222-153046

    • Size

      2.6MB

    • MD5

      d6067855ac984e670b392dd61df3d362

    • SHA1

      9320204b0d517cc239a948514982540e6652bbff

    • SHA256

      5794e9722cdb1ec697ee0ae9fe5464fb9e85ba3157485d6ecb9cea44455cf37a

    • SHA512

      583db7379dd2f7730a2efcf25a118170f59edf6e332f9b946b63df6323317b4d6ff155f9fa4c64041efdc7880fd70714c14b053f2d6ceb330b8ded35e55a8ce9

    • 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