General

  • Target

    dd96b13e82e44ba3b20e0ef08bedd0342cc7347339292388f29d9c7539e71df1

  • Size

    2.7MB

  • Sample

    220211-c8kj1sbegn

  • MD5

    3aad5cb245c67dcc227bda1dd4ffc88b

  • SHA1

    13be9d3f00503f3faf7233815f5adcc3357993bd

  • SHA256

    dd96b13e82e44ba3b20e0ef08bedd0342cc7347339292388f29d9c7539e71df1

  • SHA512

    9efa9aea5dc722519fe15127a6bf24cd7c45113414734c3da8089a1ab13cfe34120ecdf2aca5972d25078d4f4752b2a7ef91d61ad808c1692308fe8287c8be2f

Malware Config

Extracted

Family

cryptbot

C2

zyodof42.top

moregv04.top

Attributes
  • payload_url

    http://yaplzm05.top/download.php?file=bargen.exe

Targets

    • Target

      dd96b13e82e44ba3b20e0ef08bedd0342cc7347339292388f29d9c7539e71df1

    • Size

      2.7MB

    • MD5

      3aad5cb245c67dcc227bda1dd4ffc88b

    • SHA1

      13be9d3f00503f3faf7233815f5adcc3357993bd

    • SHA256

      dd96b13e82e44ba3b20e0ef08bedd0342cc7347339292388f29d9c7539e71df1

    • SHA512

      9efa9aea5dc722519fe15127a6bf24cd7c45113414734c3da8089a1ab13cfe34120ecdf2aca5972d25078d4f4752b2a7ef91d61ad808c1692308fe8287c8be2f

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Tasks