General

  • Target

    e8abf51b99ff390aad5f8044e88ac806_JaffaCakes118

  • Size

    2.5MB

  • Sample

    240408-3cpf7seh33

  • MD5

    e8abf51b99ff390aad5f8044e88ac806

  • SHA1

    0004179b8721abb457d17c6ede713ddb1152640a

  • SHA256

    8a7ab275acf36cb7306f18f953b72f45213904632243a8290d8868008b5f4ae2

  • SHA512

    a01cb76c58a3cd1d96fdb128ea9707e4af163b2531980c1b5b07826fdd2456e1e95fadc31317456eba13d9a4bf74e22f222817e48033194833927bb74a531c87

  • SSDEEP

    49152:okFvNW035OI9Q/RKs2f8I08WWKH9FXBj0EjtCOmHgYxrhebg+b:ooNxJO0Q6E/8WN9j0iDmHgYObVb

Malware Config

Extracted

Family

cryptbot

C2

veotyc21.top

morpib02.top

Attributes
  • payload_url

    http://tynoev02.top/download.php?file=lv.exe

Targets

    • Target

      e8abf51b99ff390aad5f8044e88ac806_JaffaCakes118

    • Size

      2.5MB

    • MD5

      e8abf51b99ff390aad5f8044e88ac806

    • SHA1

      0004179b8721abb457d17c6ede713ddb1152640a

    • SHA256

      8a7ab275acf36cb7306f18f953b72f45213904632243a8290d8868008b5f4ae2

    • SHA512

      a01cb76c58a3cd1d96fdb128ea9707e4af163b2531980c1b5b07826fdd2456e1e95fadc31317456eba13d9a4bf74e22f222817e48033194833927bb74a531c87

    • SSDEEP

      49152:okFvNW035OI9Q/RKs2f8I08WWKH9FXBj0EjtCOmHgYxrhebg+b:ooNxJO0Q6E/8WN9j0iDmHgYObVb

    • 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 v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Tasks