Overview

overview

10

Static

static

3

b7ae471c4b...6c.exe

windows7-x64

10

b7ae471c4b...6c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-06-2023 18:58

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General

  • Target

    b7ae471c4b6e4567c3464b113bf93608b063c1218784dd124cda19bdc48a2f6c.exe

  • Size

    4.0MB

  • MD5

    ab1ebfc3d9fa68dba8753138afb2aa81

  • SHA1

    8fc3df43c27498b5797103f74e797b068f4a8daa

  • SHA256

    b7ae471c4b6e4567c3464b113bf93608b063c1218784dd124cda19bdc48a2f6c

  • SHA512

    51db845cc5808bef9e9e0588d4e30f16675daadedaed979f5cf8507fd134a4cfd8d18acf1ec3458eb89ac49411c0f0680e0501aa7f58118c69e66592f7de521a

  • SSDEEP

    98304:Y07oN89x1h6tQs0Bdg+qV6UqSPJlAYI1ezo7XCPDcTI9qeD7d/gU1qGllz8egRyj:YdcXh66xBO+qBh11eXC8MDzGQojhS

Score
10/10
cobaltstrike305419896backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://101.43.2.116:80/user.js

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://101.43.2.116:80/admin/login

Attributes
  • access_type

    512

  • host

    101.43.2.116,/admin/login

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAnUmVmZXJlcjogaHR0cHM6Ly93d3cuYmp0LmJlaWppbmcuZ292LmNuAAAABwAAAAAAAAADAAAAAgAAAApTRVNTSU9OSUQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAnUmVmZXJlcjogaHR0cHM6Ly93d3cuYmp0LmJlaWppbmcuZ292LmNuAAAABwAAAAAAAAADAAAAAgAAAAlKU0VTU0lPTj0AAAAGAAAABkNvb2tpZQAAAAcAAAABAAAAAwAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • polling_time

    5000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTUlJ7J79z/MkkV8+MsYlOvREE2hhdGNzrKPFZ10lY0K5legA+um5JxESEaC0woDgSmOGrkh1giz/aQwd6tG4mihFgpi0oIbfwu6XZbE6ghYGyu2F7+A5TifRUzvU0YLXjK78EW12XhjHx4KopMF/AtOAueGwfiI2DmXwNzrBDvwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    3.82554112e+09

  • unknown2

    AAAABAAAAAEAAANBAAAAAgAAAqMAAAAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /admin/user

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36

  • watermark

    305419896

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Suspicious use of NtSetInformationThreadHideFromDebugger 38 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7ae471c4b6e4567c3464b113bf93608b063c1218784dd124cda19bdc48a2f6c.exe
    "C:\Users\Admin\AppData\Local\Temp\b7ae471c4b6e4567c3464b113bf93608b063c1218784dd124cda19bdc48a2f6c.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Windows\system32\cmd.exe
      cmd " /c " "C:\Users\Admin\AppData\Local\Temp\Razer card 500x2.png"
      2⤵
        PID:2900

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4852-133-0x0000000000400000-0x0000000000BBC000-memory.dmp
      Filesize

      7.7MB

      Download
    • memory/4852-134-0x0000000000400000-0x0000000000BBC000-memory.dmp
      Filesize

      7.7MB

      Download
    • memory/4852-135-0x0000000000400000-0x0000000000BBC000-memory.dmp
      Filesize

      7.7MB

      Download
    • memory/4852-136-0x0000000000400000-0x0000000000BBC000-memory.dmp
      Filesize

      7.7MB

      Download
    • memory/4852-137-0x0000000000400000-0x0000000000BBC000-memory.dmp
      Filesize

      7.7MB

      Download
    • memory/4852-139-0x0000000000400000-0x0000000000BBC000-memory.dmp
      Filesize

      7.7MB

      Download
    • memory/4852-142-0x0000000000E30000-0x0000000000E31000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4852-143-0x0000000029810000-0x000000002988D000-memory.dmp
      Filesize

      500KB

      Download
    • memory/4852-144-0x0000000029410000-0x0000000029810000-memory.dmp
      Filesize

      4.0MB

      Download
    • memory/4852-145-0x0000000000400000-0x0000000000BBC000-memory.dmp
      Filesize

      7.7MB

      Download