Overview

overview

10

Static

static

7

c36af290e6...4d.exe

windows7-x64

10

c36af290e6...4d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c36af290e67748909730337f2561da714c4b441083ba4d7e7d07022ba814514d

  • Size

    1.3MB

  • Sample

    231019-3apdesce5z

  • MD5

    7e2d216797be6f9f5f6e225f508d3e72

  • SHA1

    f8c7d3c4942d3e011de2b7fc59e2774d6e5cae40

  • SHA256

    c36af290e67748909730337f2561da714c4b441083ba4d7e7d07022ba814514d

  • SHA512

    dfc2a3b847670cfc38d4586937e5021a7c5d1738995d36b278372ad7be2d6d57ca5de74717a9e9b90d656a1676a4901d2e24d9629385dc0cb2040febaac82331

  • SSDEEP

    24576:vj0EK3CQJEo0efI1OK3JCfAIUzn5Dc5tk07JZLAKZpaogK+wYD:vL0bJEcfOOvfAIWVMRNJdZn8wK

Score
10/10
cobaltstrike100000backdoorevasionthemidatrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://192.168.1.11:80/owa/

Attributes
  • access_type

    512

  • host

    192.168.1.11,/owa/

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAACGQ29va2llOiBNaWNyb3NvZnRBcHBsaWNhdGlvbnNUZWxlbWV0cnlEZXZpY2VJZD05NWMxOGQ4LTRkY2U5ODU0O0NsaWVudElkPTFDMEY2QzVEOTEwRjk7TVNQQXV0aD0zRWtBakRLakk7eGlkPTczMGJmNzt3bGE0Mj1aRzB5TXpBMktqRXMAAAAHAAAAAAAAAA0AAAAFAAAAAndhAAAACQAAAA5wYXRoPS9jYWxlbmRhcgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    GET

  • polling_time

    10000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTGlQVYEKx+zEx/XlvnRZHkR4XgeWa6eMBAUG9gpgqOd0Gz2Szgc0nTBqfh75B1qHdxHyaFiW6FM/VOzDCKUEb2XKVeExuPT3bEfDMjZgkGv9ixXhUb5Hp4TmSgoRNVh4AOqLC/tiYMnSmwhGcEh0507I0n+pH/IWD8ZceZbcDQwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.448416512e+09

  • unknown2

    AAAABAAAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    1.610612736e+09

  • uri

    /OWA/

  • user_agent

    Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)

  • watermark

    100000

Targets

    • Target

      c36af290e67748909730337f2561da714c4b441083ba4d7e7d07022ba814514d

    • Size

      1.3MB

    • MD5

      7e2d216797be6f9f5f6e225f508d3e72

    • SHA1

      f8c7d3c4942d3e011de2b7fc59e2774d6e5cae40

    • SHA256

      c36af290e67748909730337f2561da714c4b441083ba4d7e7d07022ba814514d

    • SHA512

      dfc2a3b847670cfc38d4586937e5021a7c5d1738995d36b278372ad7be2d6d57ca5de74717a9e9b90d656a1676a4901d2e24d9629385dc0cb2040febaac82331

    • SSDEEP

      24576:vj0EK3CQJEo0efI1OK3JCfAIUzn5Dc5tk07JZLAKZpaogK+wYD:vL0bJEcfOOvfAIWVMRNJdZn8wK

    Score
    10/10
    cobaltstrike100000backdoorevasionthemidatrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks