Overview

overview

10

Static

static

10

2019c72734...a1.dll

windows7_x64

3

2019c72734...a1.dll

windows10_x64

10

Analysis

  • max time kernel
    61s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-11-2020 11:00

Sharing

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General

  • Target

    2019c7273403d1a629738f790efc05365aa6bfe56b39fc9766bac659cd4d34a1.dll

  • Size

    192KB

  • MD5

    eafe3d601bb4f8581b0af53d6f0c19dd

  • SHA1

    d9d7a9f7dd9f46f6a258d94f210c690a3c68efa2

  • SHA256

    2019c7273403d1a629738f790efc05365aa6bfe56b39fc9766bac659cd4d34a1

  • SHA512

    543eeebf7024f4ee27a966599439f62df965438bb70cccb6bcdda314d6091331fd21ab07e16a15667b9ca24310ffa9848466f5b2e8abf6e2b4ef88c5ff1e225e

Score
10/10
cobaltstrikebackdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://upgrade-services.com:9080/include/template/isx.php

Attributes
  • access_type

    0

  • beacon_type

    0

  • create_remote_thread

    0

  • day

    0

  • dns_idle

    0

  • dns_sleep

    0

  • host

    upgrade-services.com,/include/template/isx.php

  • http_header1

    AAAACgAAAB5SZWZlcmVyOiBodHRwOi8vd3d3Lmdvb2dsZS5jb20AAAAKAAAAa0FjY2VwdDogdGV4dC94bWwsYXBwbGljYXRpb24veG1sLGFwcGxpY2F0aW9uL3hodG1sK3htbCx0ZXh0L2h0bWw7cT0wLjksdGV4dC9wbGFpbjtxPTAuOCxpbWFnZS9wbmcsKi8qO3E9MC41AAAACgAAAB9BY2NlcHQtTGFuZ3VhZ2U6IGVuLXVzLGVuO3E9MC41AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

  • http_method2

  • injection_process

  • jitter

    0

  • maxdns

    255

  • month

    0

  • pipe_name

    \\%s\pipe\msagent_%x

  • polling_time

    3

  • port_number

    9080

  • proxy_password

  • proxy_server

  • proxy_username

  • sc_process32

  • sc_process64

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCW9hcxy5UADTH4ZChcg4H0L2Iab+4+0BRKfQE8g9klVOY1iLYq/l1hAx2NvmAmSqWAreCkMY0HV+BHL424gTs4yfz/cA/Sd+iB+mB3qEjkIpzrnCOrOvsQCaoK3ixalIiiVwBPrBcJfa0D+PygNrtdyW5jYnHg0DbgJl+Y14RTYQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    3.998553344e+09

  • unknown2

    AAAABAAAAAEAAAAWAAAAAgAAAIAAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    0

  • unknown4

    0

  • unknown5

    0

  • uri

    /includes/phpmailer/class.pop3.php

  • user_agent

    Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 5.2) Java/1.5.0_08

  • year

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • ServiceHost packer 4 IoCs

    Detects ServiceHost packer used for .NET malware

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2019c7273403d1a629738f790efc05365aa6bfe56b39fc9766bac659cd4d34a1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2019c7273403d1a629738f790efc05365aa6bfe56b39fc9766bac659cd4d34a1.dll,#1
      2⤵
        PID:3636
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3636 -s 668
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2520

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2520-1-0x0000000004E70000-0x0000000004E71000-memory.dmp
      Filesize

      4KB

      Download
    • memory/2520-7-0x0000000005630000-0x0000000005631000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3636-0-0x0000000000000000-mapping.dmp
      Download
    • memory/3636-2-0x0000000000000000-mapping.dmp
      Download
    • memory/3636-3-0x0000000000000000-mapping.dmp
      Download
    • memory/3636-4-0x0000000000000000-mapping.dmp
      Download
    • memory/3636-5-0x0000000000000000-mapping.dmp
      Download