Overview

overview

10

Static

static

9

cff4bdbf0e...26.exe

windows7_x64

10

cff4bdbf0e...26.exe

windows10_x64

10

Analysis

  • max time kernel
    169s
  • max time network
    166s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    31-01-2022 04:07

Sharing

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Report Analysis Logs

General

  • Target

    cff4bdbf0ed1b324aa9691af0c0819bf0140ade95384557f546acc01af3d8326.exe

  • Size

    844KB

  • MD5

    1f7437497eda90b06489fdc2328bb8ae

  • SHA1

    1549c37da035f3c985cf59280eeaf7a0a424289f

  • SHA256

    cff4bdbf0ed1b324aa9691af0c0819bf0140ade95384557f546acc01af3d8326

  • SHA512

    db747e1800d854b82dafbd59ba4bba0fc23734a868a9ee82f3cfeb2313f09265e7225042676b853f97c8161d6eedd676aea6683f1bfbec9f10d85df78c310f13

Score
10/10
cobaltstrike0backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

0

C2

http://colasc.net:443/assets/environment-f0a84e0c1.js

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    colasc.net,/assets/environment-f0a84e0c1.js

  • http_header1

    AAAACgAAAEdBY2NlcHQ6IHRleHQvaHRtbCxhcHBsaWNhdGlvbi94aHRtbCt4bWwsYXBwbGljYXRpb24veG1sO3E9MC45LCovKjtxPTAuOAAAAAoAAAAbUmVmZXJlcjogaHR0cDovL2dvb2dsZS5jb20vAAAACgAAAB5BY2NlcHQtRW5jb2Rpbmc6IGd6aXAsIGRlZmxhdGUAAAAHAAAAAAAAAA0AAAACAAAAE19fQ2h1bmtTZXNzaW9uRGF0YT0AAAAGAAAABkNvb2tpZQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    GET

  • jitter

    9472

  • polling_time

    25000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\dllhost1.exe

  • sc_process64

    %windir%\sysnative\dllhost1.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDAiCh4wF6KoORIkmjMyT0SmCa5AxIL1YvLDdjToI8RcNZ16V2JMioWqUoruwUkf3cM4IDGZkLkYeramLzxM20hof9lUBexJWn/VE08u8qcbyfe8UWtO0QbhFrcursrKwPG52ie8/63tCCuMZcddIBHsOiBWL21b9JTEGCC9mrQ2wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    3.3969984e+09

  • unknown2

    AAAABAAAAAEAAAAyAAAAAgAAACQAAAACAAAlGQAAAA0AAAAPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    1.610612736e+09

  • uri

    /assets/chunk-vendor-4c69db4f.js

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.190 Safari/537.36

  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cff4bdbf0ed1b324aa9691af0c0819bf0140ade95384557f546acc01af3d8326.exe
    "C:\Users\Admin\AppData\Local\Temp\cff4bdbf0ed1b324aa9691af0c0819bf0140ade95384557f546acc01af3d8326.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Windows\SYSTEM32\upnpcont.exe
      upnpcont.exe
      2⤵
        PID:2932

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1484-118-0x0000000000400000-0x00000000004D8000-memory.dmp
      Filesize

      864KB

      Download
    • memory/1484-120-0x00000000005B0000-0x000000000066F000-memory.dmp
      Filesize

      764KB

      Download
    • memory/2932-121-0x00000284AD680000-0x00000284ADAF2000-memory.dmp
      Filesize

      4.4MB

      Download
    • memory/2932-122-0x00000284AD2B0000-0x00000284AD400000-memory.dmp
      Filesize

      1.3MB

      Download
    • memory/2932-123-0x00000284AD680000-0x00000284ADAF2000-memory.dmp
      Filesize

      4.4MB

      Download