Overview

overview

10

Static

static

1

1a6373bf3c...a4.exe

windows7-x64

10

1a6373bf3c...a4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 08:58

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General

  • Target

    1a6373bf3cf3d883d2f0f988a5b716894ba9a307d418b7bea8eb330629047ca4.exe

  • Size

    374KB

  • MD5

    1c5b795d33c65c125e527ee151cf36c0

  • SHA1

    b9d4a4562f11d36a6f68cb0887b9063c0c0539d4

  • SHA256

    1a6373bf3cf3d883d2f0f988a5b716894ba9a307d418b7bea8eb330629047ca4

  • SHA512

    f8d2c4c484baa5aa452cd45eee6b1f2ac3202e951df41ddd05a3d1cf22ba66f2f2c62b28950ffb6b3a770b2bdf97a31086be59d34eaded221132a6b0192ab9c5

  • SSDEEP

    6144:71enYORXaLzu168sTxc6JUinnjMJ1AJSmwczziqScccs+/WP/PUk/Tx/B1RdDT7:JIYORqBZTx3PnjMqSjs2qfR3cTx/XDT7

Score
10/10
cobaltstrike100000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://service-bux0bbzb-1312435925.bj.apigw.tencentcs.com:443/api/getit

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    service-bux0bbzb-1312435925.bj.apigw.tencentcs.com,/api/getit

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAcAAAAAAAAAAwAAAAIAAAAKU0VTU0lPTklEPQAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAcAAAAAAAAAAwAAAAIAAAAJSlNFU1NJT049AAAABgAAAAZDb29raWUAAAAHAAAAAQAAAAMAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    5120

  • polling_time

    10000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDP/90kIYu6Mm7jvmEOOCFN7wCCA036EHvc+uJNEqNgwMoCpPIfFGkdjd62ZG1a4SDzfM41Kyg8A97hjvFD4g0EzoUqt8RdYWzSBD7xA94rxMy+Z2im7FBDtvyZpxlAvjWw21ONdT3TfXrUGoSfjWKeEXlkPNeg/AoVywMzeoxVlwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.481970944e+09

  • unknown2

    AAAABAAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /api/postit

  • user_agent

    Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0)

  • watermark

    100000

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a6373bf3cf3d883d2f0f988a5b716894ba9a307d418b7bea8eb330629047ca4.exe
    "C:\Users\Admin\AppData\Local\Temp\1a6373bf3cf3d883d2f0f988a5b716894ba9a307d418b7bea8eb330629047ca4.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:4588

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4588-0-0x0000000000180000-0x00000000001C1000-memory.dmp
    Filesize

    260KB

    Download
  • memory/4588-2-0x0000000000CE0000-0x0000000001152000-memory.dmp
    Filesize

    4.4MB

    Download
  • memory/4588-1-0x0000000000180000-0x00000000001C1000-memory.dmp
    Filesize

    260KB

    Download
  • memory/4588-3-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

    Download
  • memory/4588-5-0x0000000000180000-0x00000000001C1000-memory.dmp
    Filesize

    260KB

    Download