Overview

overview

10

Static

static

3

6b655ddf0b...23.exe

windows7-x64

10

6b655ddf0b...23.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-04-2024 01:31

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General

  • Target

    6b655ddf0b5cda5d24b62d2f387e0f83e57b7a931f55f49ad274b002c1a68b23.exe

  • Size

    3.5MB

  • MD5

    c720c50306558112b389ef44cff494f1

  • SHA1

    476f36c3f3a3aa0141b481fb683d3c0cbd767def

  • SHA256

    6b655ddf0b5cda5d24b62d2f387e0f83e57b7a931f55f49ad274b002c1a68b23

  • SHA512

    eac2ba4774dce3667226f246940818412acadb556ac714a41d3790564200c015622cac38364657f46a47bb7a0fc5f4a9a39786acfd43a502b8d051ee61b2cf74

  • SSDEEP

    49152:JkIpd4zV1qhdWfcYmw+FFndWaIO18B+VhlRVmgi5HKEOaDNkNVLORJ5kjAYW:yYVYlBWRVmgZyC0k0

Score
10/10
cobaltstrike12345backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

12345

C2

http://easthoolbook.com:443/sign.mpeg

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    easthoolbook.com,/sign.mpeg

  • http_header1

    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

  • http_header2

    AAAAEAAAABZIb3N0OiBlYXN0aG9vbGJvb2suY29tAAAACgAAABFDb25uZWN0aW9uOiBjbG9zZQAAAAoAAAAvQ29udGVudC1UeXBlOiBhcHBsaWNhdGlvbi94LXd3dy1mb3JtLXVybGVuY29kZWQAAAAHAAAAAQAAAAMAAAADAAAAAgAAAAhuZXduYW1lPQAAAAQAAAAHAAAAAAAAAAMAAAACAAAADl9fc2Vzc2lvbl9faWQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    20736

  • polling_time

    62

  • port_number

    443

  • sc_process32

    %windir%\syswow64\gpresult.exe

  • sc_process64

    %windir%\sysnative\gpresult.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCV149CT2iF3FfzitX7YU8jXZ63wBPnvkmod3VJj7mP8ipfBTqCiODD7vfXMZdmtna/lCcYSpcqS7V/Q1qgFiOcEemxlRYQGp63vhpmDBPjgBM3RXZtorFu9UpjIG3dOOkhdRDN6uGKRlB69X0OMia/R3qjKvA2ySXoWwh/Y8kPYwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    7.8457344e+07

  • unknown2

    AAAABAAAAAIAAAJYAAAAAwAAAAsAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /flexible

  • user_agent

    Mozilla/5.0 (Linux; Android 7.0; Redmi Note 4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.74 Mobile Safari/537.36

  • watermark

    12345

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b655ddf0b5cda5d24b62d2f387e0f83e57b7a931f55f49ad274b002c1a68b23.exe
    "C:\Users\Admin\AppData\Local\Temp\6b655ddf0b5cda5d24b62d2f387e0f83e57b7a931f55f49ad274b002c1a68b23.exe"
    1⤵
    • Modifies system certificate store
    PID:2276

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/2276-0-0x00000000001F0000-0x000000000023D000-memory.dmp
    Filesize

    308KB

    Download
  • memory/2276-2-0x0000000001C00000-0x0000000001C5A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/2276-1-0x00000000001F0000-0x000000000023D000-memory.dmp
    Filesize

    308KB

    Download
  • memory/2276-4-0x0000000001C00000-0x0000000001C5A000-memory.dmp
    Filesize

    360KB

    Download