Resubmissions

12/08/2026, 02:19

260812-cr3n9stvbz1

12/08/2026, 02:19

260812-cr3n9stvby

12/08/2026, 01:48

260812-b798lsgp8x3

12/08/2026, 01:43

260812-b5p5nawfrb8

08/08/2026, 16:31

260808-t1p8za1apb10

08/08/2026, 16:31

260808-t1eggaaj8x3

05/08/2026, 12:30

260805-pph83afq9w8

05/08/2026, 12:29

260805-ppbtzsxflh3

05/08/2026, 10:21

260805-mdtvbadq2v10

05/08/2026, 02:52

260805-dc7v4stzhx10

General

  • Target
    .
  • Size 384B
  • Sample260805-mdtvbadq2v
  • SHA256 49cbc2951b803792803d61d57b8fb3125cd0cb253c8466d64a0a2a5d61e2aee0
  • MD5 SHA1 SHA512 TLSH

Malware Config

Targets

    • Target
      .
    • Size 384B
    • SHA256 49cbc2951b803792803d61d57b8fb3125cd0cb253c8466d64a0a2a5d61e2aee0
    • MD5 SHA1 SHA512 TLSH
    • Detects KillMBR

    • Family: KillMBR

      KillMBR is a trojan that attempts to overwrite the Master Boot Record.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v16

Tasks