Overview

overview

10

Static

static

7

02bf021081...6d.exe

windows7-x64

10

02bf021081...6d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    91s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2022 11:31

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General

  • Target

    02bf021081901bb47de6253653f4021528eb30727350cc0a680d507dca723f6d.exe

  • Size

    3.2MB

  • MD5

    b3f9d25d450914d3105c6f10a39078e6

  • SHA1

    ae710720ed980a3f4535845b3d4d7e7000fb4303

  • SHA256

    02bf021081901bb47de6253653f4021528eb30727350cc0a680d507dca723f6d

  • SHA512

    d3271cb6ab9807971d6795e1fd1fbf84f378c6114fabcb33ae26edf75e26b2c9fac52dd3b0241bad7dfd0d03e6602fe806e76fc023af2afd21c4c825d86814f1

  • SSDEEP

    98304:3lPko/gEWKBbe5N8Cud12tYclrqsh2otx:xpvxUudUrTh1tx

Score
10/10
cobaltstrike0305419896backdoorevasionthemidatrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://192.168.238.128:80/pixel

Attributes
  • access_type

    512

  • host

    192.168.238.128,/pixel

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • polling_time

    60000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnCZHWnYFqYB/6gJdkc4MPDTtBJ20nkEAd3tsY4tPKs8MV4yIjJb5CtlrbKHjzP1oD/1AQsj6EKlEMFIKtakLx5+VybrMYE+dDdkDteHmVX0AeFyw001FyQVlt1B+OSNPRscKI5sh1L/ZdwnrMy6S6nNbQ5N5hls6k2kgNO5nQ7QIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; MASB)

  • watermark

    305419896

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

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 2 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\02bf021081901bb47de6253653f4021528eb30727350cc0a680d507dca723f6d.exe
    "C:\Users\Admin\AppData\Local\Temp\02bf021081901bb47de6253653f4021528eb30727350cc0a680d507dca723f6d.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:4572

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/4572-132-0x0000000000401000-0x0000000000404000-memory.dmp
    Filesize

    12KB

    Download
  • memory/4572-133-0x0000000000400000-0x0000000000CCE000-memory.dmp
    Filesize

    8.8MB

    Download
  • memory/4572-134-0x00007FF8350F0000-0x00007FF8352E5000-memory.dmp
    Filesize

    2.0MB

    Download
  • memory/4572-135-0x00000000001A0000-0x00000000001E0000-memory.dmp
    Filesize

    256KB

    Download
  • memory/4572-136-0x0000000001470000-0x00000000014BC000-memory.dmp
    Filesize

    304KB

    Download
  • memory/4572-137-0x0000000000400000-0x0000000000CCE000-memory.dmp
    Filesize

    8.8MB

    Download
  • memory/4572-138-0x00007FF8350F0000-0x00007FF8352E5000-memory.dmp
    Filesize

    2.0MB

    Download