Overview

overview

10

Static

static

7

c36af290e6...4d.exe

windows7-x64

10

c36af290e6...4d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2023 23:18

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General

  • Target

    c36af290e67748909730337f2561da714c4b441083ba4d7e7d07022ba814514d.exe

  • Size

    1.3MB

  • 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

    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

  • 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

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c36af290e67748909730337f2561da714c4b441083ba4d7e7d07022ba814514d.exe
    "C:\Users\Admin\AppData\Local\Temp\c36af290e67748909730337f2561da714c4b441083ba4d7e7d07022ba814514d.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/844-0-0x00007FF6ED430000-0x00007FF6ED8BF000-memory.dmp

    Filesize

    4.6MB

    Download

  • memory/844-1-0x00007FFED08F0000-0x00007FFED0AE5000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/844-2-0x00007FF6ED430000-0x00007FF6ED8BF000-memory.dmp

    Filesize

    4.6MB

    Download

  • memory/844-3-0x00007FF6ED430000-0x00007FF6ED8BF000-memory.dmp

    Filesize

    4.6MB

    Download

  • memory/844-4-0x000001EE7E970000-0x000001EE7E9B1000-memory.dmp

    Filesize

    260KB

    Download

  • memory/844-5-0x000001EE7E9C0000-0x000001EE7EA3B000-memory.dmp

    Filesize

    492KB

    Download

  • memory/844-6-0x00007FF6ED430000-0x00007FF6ED8BF000-memory.dmp

    Filesize

    4.6MB

    Download

  • memory/844-7-0x00007FFED08F0000-0x00007FFED0AE5000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/844-9-0x000001EE7E9C0000-0x000001EE7EA3B000-memory.dmp

    Filesize

    492KB

    Download