General

  • Target

    328b29b940554b497693b7dc4b1f74dc58dceb0619a33ed4aeeafa09b95af290

  • Size

    734KB

  • Sample

    220731-fnk7laacel

  • MD5

    6d36c15327846d69d6c0687a6275613e

  • SHA1

    a4be38a5f4c266c132d7cf132d6064036b2fc6aa

  • SHA256

    328b29b940554b497693b7dc4b1f74dc58dceb0619a33ed4aeeafa09b95af290

  • SHA512

    901fdffb78e418a8a58c23cbe0fe6aef833edcdedc1c3b0b02c48762ee9fa1dc2466d908930b03ab37c346bedf76f99c6876fa67c49a4f90a1d5cfaa31f64a70

Malware Config

Targets

    • Target

      328b29b940554b497693b7dc4b1f74dc58dceb0619a33ed4aeeafa09b95af290

    • Size

      734KB

    • MD5

      6d36c15327846d69d6c0687a6275613e

    • SHA1

      a4be38a5f4c266c132d7cf132d6064036b2fc6aa

    • SHA256

      328b29b940554b497693b7dc4b1f74dc58dceb0619a33ed4aeeafa09b95af290

    • SHA512

      901fdffb78e418a8a58c23cbe0fe6aef833edcdedc1c3b0b02c48762ee9fa1dc2466d908930b03ab37c346bedf76f99c6876fa67c49a4f90a1d5cfaa31f64a70

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • Modifies firewall policy service

    • Executes dropped EXE

    • Sets file execution options in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Exploitation for Client Execution

1
T1203

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

6
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Tasks