General

  • Target

    MONKE.zip

  • Size

    277KB

  • Sample

    241121-xcyf8avle1

  • MD5

    c82e53c201d3203e276d46cabc1069a3

  • SHA1

    2819066f8bb3d6eb408bedbe14ac8364a8241512

  • SHA256

    ed2876ea5e02763bd32d72658a96891fbbd4857f4ecc28b73552582115ca35f0

  • SHA512

    35bfd3ad9d0654519098ed7ed7549f5722ab1c47f1cafc699e08b7d3c9e662a31e6d647867011648bc36eddca62d0fbc5dd5cda3dfb22bf99730b666599d9eb5

  • SSDEEP

    6144:N9Ir75dpDXnQTynPMbDlIYM69jKMc7go4J4hDQQhSjM/0td:Noz93hcDlLMGQgo4JiQQhag0/

Malware Config

Targets

    • Target

      MONKE.zip

    • Size

      277KB

    • MD5

      c82e53c201d3203e276d46cabc1069a3

    • SHA1

      2819066f8bb3d6eb408bedbe14ac8364a8241512

    • SHA256

      ed2876ea5e02763bd32d72658a96891fbbd4857f4ecc28b73552582115ca35f0

    • SHA512

      35bfd3ad9d0654519098ed7ed7549f5722ab1c47f1cafc699e08b7d3c9e662a31e6d647867011648bc36eddca62d0fbc5dd5cda3dfb22bf99730b666599d9eb5

    • SSDEEP

      6144:N9Ir75dpDXnQTynPMbDlIYM69jKMc7go4J4hDQQhSjM/0td:Noz93hcDlLMGQgo4JiQQhag0/

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Blocklisted process makes network request

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      MONKE/Bootstrapper.exe

    • Size

      800KB

    • MD5

      02c70d9d6696950c198db93b7f6a835e

    • SHA1

      30231a467a49cc37768eea0f55f4bea1cbfb48e2

    • SHA256

      8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3

    • SHA512

      431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb

    • SSDEEP

      12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz

    Score
    7/10
    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks