General

  • Target

    eb6b6b4f0970c825bbde733784027a52_JaffaCakes118

  • Size

    3.0MB

  • Sample

    240410-s8vb8agc6s

  • MD5

    eb6b6b4f0970c825bbde733784027a52

  • SHA1

    33e928ccbe9fb3088a0e94ece28b39cc9ccac8ef

  • SHA256

    c9cf9521886aaa99c317b33c9fd5a8f82be1fe61d8616bc6ce8a10c4d26b6e21

  • SHA512

    debe1809b3f8d0011979a852bc6dd7c63ea1e1b1648c66f1db611caf27ac5c988c384bdfaebaef8f59fc1750954675270057e1949917752b38ea7baad6fa24d6

  • SSDEEP

    49152:RPO2xOD0wD6XH67JeVIE1iplrlhwaT4dn/kFjkOWS356NhOHYGWOBJZ8bCd4YIg:R22a0oJeKEwBln4dcFjCC6NhEvWOvk

Malware Config

Extracted

Family

cryptbot

C2

bundky32.top

morfug03.top

Attributes
  • payload_url

    http://tobhay04.top/download.php?file=lv.exe

Targets

    • Target

      eb6b6b4f0970c825bbde733784027a52_JaffaCakes118

    • Size

      3.0MB

    • MD5

      eb6b6b4f0970c825bbde733784027a52

    • SHA1

      33e928ccbe9fb3088a0e94ece28b39cc9ccac8ef

    • SHA256

      c9cf9521886aaa99c317b33c9fd5a8f82be1fe61d8616bc6ce8a10c4d26b6e21

    • SHA512

      debe1809b3f8d0011979a852bc6dd7c63ea1e1b1648c66f1db611caf27ac5c988c384bdfaebaef8f59fc1750954675270057e1949917752b38ea7baad6fa24d6

    • SSDEEP

      49152:RPO2xOD0wD6XH67JeVIE1iplrlhwaT4dn/kFjkOWS356NhOHYGWOBJZ8bCd4YIg:R22a0oJeKEwBln4dcFjCC6NhEvWOvk

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot payload

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Tasks