Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 13:01

General

  • Target
    2024-06-02_ca5e5eb0c47f9f454a8172af0b3e8310_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240602-p9ca9ach9w
  • SHA256 5cfbd54efd105c01272016502b47acdac9410eb23169f3602b465cf30d57f289
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cobaltstrike

Botnet
  • 0

C2
  • http://ns7.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http://ns8.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http://ns9.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

Attributes
  • access_type

    512

  • beacon_type

    256

  • create_remote_thread

    768

  • crypto_scheme

    256

  • host

    ns7.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns8.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns9.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAUSG9zdDogd3d3LmFtYXpvbi5jb20AAAAHAAAAAAAAAAMAAAACAAAADnNlc3Npb24tdG9rZW49AAAAAgAAAAxza2luPW5vc2tpbjsAAAABAAAALGNzbS1oaXQ9cy0yNEtVMTFCQjgyUlpTWUdKM0JES3wxNDE5ODk5MDEyOTk2AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAWQ29udGVudC1UeXBlOiB0ZXh0L3htbAAAAAoAAAAgWC1SZXF1ZXN0ZWQtV2l0aDogWE1MSHR0cFJlcXVlc3QAAAAKAAAAFEhvc3Q6IHd3dy5hbWF6b24uY29tAAAACQAAAApzej0xNjB4NjAwAAAACQAAABFvZT1vZT1JU08tODg1OS0xOwAAAAcAAAAAAAAABQAAAAJzbgAAAAkAAAAGcz0zNzE3AAAACQAAACJkY19yZWY9aHR0cCUzQSUyRiUyRnd3dy5hbWF6b24uY29tAAAABwAAAAEAAAADAAAABAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • pipe_name

    \\%s\pipe\msagent_%x

  • polling_time

    5000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDI579oVVII0cYncGonU6vTWyFhqmq8w5QwvI8qsoWeV68Ngy+MjNPX2crcSVVWKQ3j09FII28KTmoE1XFVjEXF3WytRSlDe1OKfOAHX3XYkS9LcUAy0eRl2h4a73hrg1ir/rpisNT6hHtYaK3tmH8DgW/n1XfTfbWk1MZ7cXQHWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /N4215/adj/amzn.us.sr.aps

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

  • watermark

    0

Signatures

  • Cobalt Strike reflective loader 21 IoCs

    Detects the reflective loader used by Cobalt Strike.

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Detects Reflective DLL injection artifacts 21 IoCs
  • UPX dump on OEP (original entry point) 64 IoCs
  • XMRig Miner payload 64 IoCs
  • Executes dropped EXE 21 IoCs
  • UPX packed file 64 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-02_ca5e5eb0c47f9f454a8172af0b3e8310_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_ca5e5eb0c47f9f454a8172af0b3e8310_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Windows\System\NbudblI.exe
      C:\Windows\System\NbudblI.exe
      2⤵
      • Executes dropped EXE
      PID:4724
    • C:\Windows\System\wsHtRUV.exe
      C:\Windows\System\wsHtRUV.exe
      2⤵
      • Executes dropped EXE
      PID:3520
    • C:\Windows\System\YVnprWf.exe
      C:\Windows\System\YVnprWf.exe
      2⤵
      • Executes dropped EXE
      PID:3112
    • C:\Windows\System\BXJwHpS.exe
      C:\Windows\System\BXJwHpS.exe
      2⤵
      • Executes dropped EXE
      PID:4376
    • C:\Windows\System\FyfOODq.exe
      C:\Windows\System\FyfOODq.exe
      2⤵
      • Executes dropped EXE
      PID:3104
    • C:\Windows\System\SfxPLmk.exe
      C:\Windows\System\SfxPLmk.exe
      2⤵
      • Executes dropped EXE
      PID:2760
    • C:\Windows\System\FLnUYvm.exe
      C:\Windows\System\FLnUYvm.exe
      2⤵
      • Executes dropped EXE
      PID:2044
    • C:\Windows\System\CInvwtP.exe
      C:\Windows\System\CInvwtP.exe
      2⤵
      • Executes dropped EXE
      PID:4428
    • C:\Windows\System\ndCeNYZ.exe
      C:\Windows\System\ndCeNYZ.exe
      2⤵
      • Executes dropped EXE
      PID:3400
    • C:\Windows\System\atGHQUm.exe
      C:\Windows\System\atGHQUm.exe
      2⤵
      • Executes dropped EXE
      PID:1300
    • C:\Windows\System\BJQwgNw.exe
      C:\Windows\System\BJQwgNw.exe
      2⤵
      • Executes dropped EXE
      PID:768
    • C:\Windows\System\JZKhGDV.exe
      C:\Windows\System\JZKhGDV.exe
      2⤵
      • Executes dropped EXE
      PID:3504
    • C:\Windows\System\pFmueGc.exe
      C:\Windows\System\pFmueGc.exe
      2⤵
      • Executes dropped EXE
      PID:3108
    • C:\Windows\System\wTvkNKO.exe
      C:\Windows\System\wTvkNKO.exe
      2⤵
      • Executes dropped EXE
      PID:624
    • C:\Windows\System\ZjuifcE.exe
      C:\Windows\System\ZjuifcE.exe
      2⤵
      • Executes dropped EXE
      PID:1332
    • C:\Windows\System\lSSpNQv.exe
      C:\Windows\System\lSSpNQv.exe
      2⤵
      • Executes dropped EXE
      PID:3876
    • C:\Windows\System\JPvebdZ.exe
      C:\Windows\System\JPvebdZ.exe
      2⤵
      • Executes dropped EXE
      PID:4504
    • C:\Windows\System\TUUbGEM.exe
      C:\Windows\System\TUUbGEM.exe
      2⤵
      • Executes dropped EXE
      PID:2548
    • C:\Windows\System\bfccjiH.exe
      C:\Windows\System\bfccjiH.exe
      2⤵
      • Executes dropped EXE
      PID:1740
    • C:\Windows\System\qZFmufH.exe
      C:\Windows\System\qZFmufH.exe
      2⤵
      • Executes dropped EXE
      PID:4728
    • C:\Windows\System\rwuERGx.exe
      C:\Windows\System\rwuERGx.exe
      2⤵
      • Executes dropped EXE
      PID:3144

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        BJQwgNw.exe

        • Path C:\Windows\System\BJQwgNw.exe
        • Size 5.9MB
        • SHA256 aa8dac382e130cdebf5d4752afbc07a6392d1266bfa47880198fd51fb67c5a5b
        • MD5 SHA1 SHA512 SSDEEP

        BXJwHpS.exe

        • Path C:\Windows\System\BXJwHpS.exe
        • Size 5.9MB
        • SHA256 7350cebb6e395f2eafcda0df51ab0057c29ec17ffaa86da6436fbeab35a56a20
        • MD5 SHA1 SHA512 SSDEEP

        CInvwtP.exe

        • Path C:\Windows\System\CInvwtP.exe
        • Size 5.9MB
        • SHA256 b7b6331bbe98809a97b52c43a01f4913df541c36cf751947b4c9a8be287bfa85
        • MD5 SHA1 SHA512 SSDEEP

        FLnUYvm.exe

        • Path C:\Windows\System\FLnUYvm.exe
        • Size 5.9MB
        • SHA256 dff5d280d7a4059f48960d9c5da219431a35b4530fa462fe1fec69413fbf90fd
        • MD5 SHA1 SHA512 SSDEEP

        FyfOODq.exe

        • Path C:\Windows\System\FyfOODq.exe
        • Size 5.9MB
        • SHA256 94b116cf355064f4684f0f679927ada612c86ee3ef60767c5fe960632ac5ba0a
        • MD5 SHA1 SHA512 SSDEEP

        JPvebdZ.exe

        • Path C:\Windows\System\JPvebdZ.exe
        • Size 5.9MB
        • SHA256 4ef317395185afcffb0e7c315c19186a468a17885f7307ff89f2e1718dd1b151
        • MD5 SHA1 SHA512 SSDEEP

        JZKhGDV.exe

        • Path C:\Windows\System\JZKhGDV.exe
        • Size 5.9MB
        • SHA256 6d79d3cbfbaff03f00e6c5be705ee551b645a86c9554ecd3e0d458559ca1ac2d
        • MD5 SHA1 SHA512 SSDEEP

        NbudblI.exe

        • Path C:\Windows\System\NbudblI.exe
        • Size 5.9MB
        • SHA256 9fd2dc1ac4695530c623dbf58d81d641b6d9a742594cf51b7f6bedefccc9ce3c
        • MD5 SHA1 SHA512 SSDEEP

        SfxPLmk.exe

        • Path C:\Windows\System\SfxPLmk.exe
        • Size 5.9MB
        • SHA256 a3b33d593fdf534fc99f7f2d76922501bee6efd3bd15e396e590d248095fc5d3
        • MD5 SHA1 SHA512 SSDEEP

        TUUbGEM.exe

        • Path C:\Windows\System\TUUbGEM.exe
        • Size 5.9MB
        • SHA256 5b44134fb474a062301d8beeb92f645e9acfa911c59866b30e99a6fe1521b5c5
        • MD5 SHA1 SHA512 SSDEEP

        YVnprWf.exe

        • Path C:\Windows\System\YVnprWf.exe
        • Size 5.9MB
        • SHA256 b089e193a37a05ad66771672033ce473651b175dc0d290bdc47ad38a5ce5bcbb
        • MD5 SHA1 SHA512 SSDEEP

        ZjuifcE.exe

        • Path C:\Windows\System\ZjuifcE.exe
        • Size 5.9MB
        • SHA256 b8e5bf0f5f2b008a237723a3945a3be561282e998fa4232ce1c4b73bf2fa8b7f
        • MD5 SHA1 SHA512 SSDEEP

        atGHQUm.exe

        • Path C:\Windows\System\atGHQUm.exe
        • Size 5.9MB
        • SHA256 0a0cb661aea779d47d7b963e4ccd934b11906f0dc5e3a950a68ad96e71a0044c
        • MD5 SHA1 SHA512 SSDEEP

        bfccjiH.exe

        • Path C:\Windows\System\bfccjiH.exe
        • Size 5.9MB
        • SHA256 cefa5c70bc7a723e60298a326bc67a5d470e561cf8b87bee7164339d5e5a1a83
        • MD5 SHA1 SHA512 SSDEEP

        lSSpNQv.exe

        • Path C:\Windows\System\lSSpNQv.exe
        • Size 5.9MB
        • SHA256 68cee38f3211102df3dc1533da17b1e36bd1766bf525826b38e0aaae62136173
        • MD5 SHA1 SHA512 SSDEEP

        ndCeNYZ.exe

        • Path C:\Windows\System\ndCeNYZ.exe
        • Size 5.9MB
        • SHA256 3d19427dad55dc955f6d8912ca8b5d91f8bc8ad03a343c886b1413e1e5fef771
        • MD5 SHA1 SHA512 SSDEEP

        pFmueGc.exe

        • Path C:\Windows\System\pFmueGc.exe
        • Size 5.9MB
        • SHA256 49ac8a63cefa6f8e51f435e7cd52180f7df681ec644b11222c9e66cfbc143568
        • MD5 SHA1 SHA512 SSDEEP

        qZFmufH.exe

        • Path C:\Windows\System\qZFmufH.exe
        • Size 5.9MB
        • SHA256 2265cb0e33123623ae71ac965cefd02620a2b75b1d1a582291b481ebfbda5886
        • MD5 SHA1 SHA512 SSDEEP

        rwuERGx.exe

        • Path C:\Windows\System\rwuERGx.exe
        • Size 5.9MB
        • SHA256 cc79da4dbe5e640ba4d41fa345713e3d131e83b7244f5cd31507a727d7507300
        • MD5 SHA1 SHA512 SSDEEP

        wTvkNKO.exe

        • Path C:\Windows\System\wTvkNKO.exe
        • Size 5.9MB
        • SHA256 113b3b0ce47ed9461067be1a0a40363cff41fa4f9d92d7e140dfc79eb61fe0d9
        • MD5 SHA1 SHA512 SSDEEP

        wsHtRUV.exe

        • Path C:\Windows\System\wsHtRUV.exe
        • Size 5.9MB
        • SHA256 ace3fc1de059fdad6ce7321b0fc682dcad4491edc8a3e7e2100e6eef36cdd59b
        • MD5 SHA1 SHA512 SSDEEP

        memory/624-149-0x00007FF76A350000-0x00007FF76A6A4000-memory.dmp

        memory/624-89-0x00007FF76A350000-0x00007FF76A6A4000-memory.dmp

        memory/768-86-0x00007FF771400000-0x00007FF771754000-memory.dmp

        memory/768-146-0x00007FF771400000-0x00007FF771754000-memory.dmp

        memory/924-0-0x00007FF64A6C0000-0x00007FF64AA14000-memory.dmp

        memory/924-116-0x00007FF64A6C0000-0x00007FF64AA14000-memory.dmp

        memory/924-1-0x000001ECA09F0000-0x000001ECA0A00000-memory.dmp

        memory/1300-147-0x00007FF7D6190000-0x00007FF7D64E4000-memory.dmp

        memory/1300-85-0x00007FF7D6190000-0x00007FF7D64E4000-memory.dmp

        memory/1332-151-0x00007FF6DAC20000-0x00007FF6DAF74000-memory.dmp

        memory/1332-90-0x00007FF6DAC20000-0x00007FF6DAF74000-memory.dmp

        memory/1332-134-0x00007FF6DAC20000-0x00007FF6DAF74000-memory.dmp

        memory/1740-155-0x00007FF6EF170000-0x00007FF6EF4C4000-memory.dmp

        memory/1740-117-0x00007FF6EF170000-0x00007FF6EF4C4000-memory.dmp

        memory/2044-144-0x00007FF7A2CC0000-0x00007FF7A3014000-memory.dmp

        memory/2044-133-0x00007FF7A2CC0000-0x00007FF7A3014000-memory.dmp

        memory/2044-83-0x00007FF7A2CC0000-0x00007FF7A3014000-memory.dmp

        memory/2548-154-0x00007FF72B510000-0x00007FF72B864000-memory.dmp

        memory/2548-110-0x00007FF72B510000-0x00007FF72B864000-memory.dmp

        memory/2760-145-0x00007FF7D39A0000-0x00007FF7D3CF4000-memory.dmp

        memory/2760-92-0x00007FF7D39A0000-0x00007FF7D3CF4000-memory.dmp

        memory/3104-141-0x00007FF65B560000-0x00007FF65B8B4000-memory.dmp

        memory/3104-39-0x00007FF65B560000-0x00007FF65B8B4000-memory.dmp

        memory/3104-132-0x00007FF65B560000-0x00007FF65B8B4000-memory.dmp

        memory/3108-88-0x00007FF6AB5E0000-0x00007FF6AB934000-memory.dmp

        memory/3108-150-0x00007FF6AB5E0000-0x00007FF6AB934000-memory.dmp

        memory/3112-139-0x00007FF648970000-0x00007FF648CC4000-memory.dmp

        memory/3112-23-0x00007FF648970000-0x00007FF648CC4000-memory.dmp

        memory/3112-130-0x00007FF648970000-0x00007FF648CC4000-memory.dmp

        memory/3144-129-0x00007FF604360000-0x00007FF6046B4000-memory.dmp

        memory/3144-156-0x00007FF604360000-0x00007FF6046B4000-memory.dmp

        memory/3400-84-0x00007FF73F4A0000-0x00007FF73F7F4000-memory.dmp

        memory/3400-142-0x00007FF73F4A0000-0x00007FF73F7F4000-memory.dmp

        memory/3504-87-0x00007FF72BF50000-0x00007FF72C2A4000-memory.dmp

        memory/3504-148-0x00007FF72BF50000-0x00007FF72C2A4000-memory.dmp

        memory/3520-138-0x00007FF6A1310000-0x00007FF6A1664000-memory.dmp

        memory/3520-17-0x00007FF6A1310000-0x00007FF6A1664000-memory.dmp

        memory/3876-91-0x00007FF69C340000-0x00007FF69C694000-memory.dmp

        memory/3876-152-0x00007FF69C340000-0x00007FF69C694000-memory.dmp

        memory/3876-135-0x00007FF69C340000-0x00007FF69C694000-memory.dmp

        memory/4376-140-0x00007FF648470000-0x00007FF6487C4000-memory.dmp

        memory/4376-30-0x00007FF648470000-0x00007FF6487C4000-memory.dmp

        memory/4376-131-0x00007FF648470000-0x00007FF6487C4000-memory.dmp

        memory/4428-93-0x00007FF612AA0000-0x00007FF612DF4000-memory.dmp

        memory/4428-143-0x00007FF612AA0000-0x00007FF612DF4000-memory.dmp

        memory/4504-104-0x00007FF72EEA0000-0x00007FF72F1F4000-memory.dmp

        memory/4504-153-0x00007FF72EEA0000-0x00007FF72F1F4000-memory.dmp

        memory/4724-8-0x00007FF7C2140000-0x00007FF7C2494000-memory.dmp

        memory/4724-128-0x00007FF7C2140000-0x00007FF7C2494000-memory.dmp

        memory/4724-137-0x00007FF7C2140000-0x00007FF7C2494000-memory.dmp

        memory/4728-136-0x00007FF75A790000-0x00007FF75AAE4000-memory.dmp

        memory/4728-122-0x00007FF75A790000-0x00007FF75AAE4000-memory.dmp

        memory/4728-157-0x00007FF75A790000-0x00007FF75AAE4000-memory.dmp