Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/06/2024, 11:46

General

  • Target
    2024-06-08_36ba5fe81c4fe4653201f9b80c9ff6a3_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240608-nxnyvabc91
  • SHA256 4105b92740cadfe5fd32b5ec6a3e60657866dbdeb37e435b4e1131fe39e0ef77
  • 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\2024-06-08_36ba5fe81c4fe4653201f9b80c9ff6a3_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-08_36ba5fe81c4fe4653201f9b80c9ff6a3_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3388
    • C:\Windows\System\uZizoXj.exe
      C:\Windows\System\uZizoXj.exe
      2⤵
      • Executes dropped EXE
      PID:1496
    • C:\Windows\System\NSyPjId.exe
      C:\Windows\System\NSyPjId.exe
      2⤵
      • Executes dropped EXE
      PID:4932
    • C:\Windows\System\ZmzjUQN.exe
      C:\Windows\System\ZmzjUQN.exe
      2⤵
      • Executes dropped EXE
      PID:4892
    • C:\Windows\System\MNaTPAC.exe
      C:\Windows\System\MNaTPAC.exe
      2⤵
      • Executes dropped EXE
      PID:4028
    • C:\Windows\System\diJlrja.exe
      C:\Windows\System\diJlrja.exe
      2⤵
      • Executes dropped EXE
      PID:3704
    • C:\Windows\System\kfSJuDL.exe
      C:\Windows\System\kfSJuDL.exe
      2⤵
      • Executes dropped EXE
      PID:4124
    • C:\Windows\System\AhYCWmN.exe
      C:\Windows\System\AhYCWmN.exe
      2⤵
      • Executes dropped EXE
      PID:2612
    • C:\Windows\System\WRyIoOf.exe
      C:\Windows\System\WRyIoOf.exe
      2⤵
      • Executes dropped EXE
      PID:3448
    • C:\Windows\System\gHYwkcs.exe
      C:\Windows\System\gHYwkcs.exe
      2⤵
      • Executes dropped EXE
      PID:4876
    • C:\Windows\System\vrNcwdD.exe
      C:\Windows\System\vrNcwdD.exe
      2⤵
      • Executes dropped EXE
      PID:2864
    • C:\Windows\System\iMHEwjl.exe
      C:\Windows\System\iMHEwjl.exe
      2⤵
      • Executes dropped EXE
      PID:3992
    • C:\Windows\System\YvGlNNl.exe
      C:\Windows\System\YvGlNNl.exe
      2⤵
      • Executes dropped EXE
      PID:5040
    • C:\Windows\System\YUJxzWn.exe
      C:\Windows\System\YUJxzWn.exe
      2⤵
      • Executes dropped EXE
      PID:4388
    • C:\Windows\System\EwEfmJC.exe
      C:\Windows\System\EwEfmJC.exe
      2⤵
      • Executes dropped EXE
      PID:2212
    • C:\Windows\System\sXRaHPD.exe
      C:\Windows\System\sXRaHPD.exe
      2⤵
      • Executes dropped EXE
      PID:4136
    • C:\Windows\System\qNBJbIq.exe
      C:\Windows\System\qNBJbIq.exe
      2⤵
      • Executes dropped EXE
      PID:3828
    • C:\Windows\System\BIzbhrF.exe
      C:\Windows\System\BIzbhrF.exe
      2⤵
      • Executes dropped EXE
      PID:3804
    • C:\Windows\System\GQmUNEY.exe
      C:\Windows\System\GQmUNEY.exe
      2⤵
      • Executes dropped EXE
      PID:4052
    • C:\Windows\System\hkrPyqm.exe
      C:\Windows\System\hkrPyqm.exe
      2⤵
      • Executes dropped EXE
      PID:4060
    • C:\Windows\System\BCrvnEU.exe
      C:\Windows\System\BCrvnEU.exe
      2⤵
      • Executes dropped EXE
      PID:1404
    • C:\Windows\System\UYFdvcb.exe
      C:\Windows\System\UYFdvcb.exe
      2⤵
      • Executes dropped EXE
      PID:2128

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AhYCWmN.exe

        • Path C:\Windows\System\AhYCWmN.exe
        • Size 5.9MB
        • SHA256 b90ac0b33cb787199292aa4a9d32dee3e58ce7fb533811ed2531311abc4939c7
        • MD5 SHA1 SHA512 SSDEEP

        BCrvnEU.exe

        • Path C:\Windows\System\BCrvnEU.exe
        • Size 5.9MB
        • SHA256 0f7bcb05651d652e21144d28225396b7cda8146ccac7f43910bc5b363f10c2e6
        • MD5 SHA1 SHA512 SSDEEP

        BIzbhrF.exe

        • Path C:\Windows\System\BIzbhrF.exe
        • Size 5.9MB
        • SHA256 f61a3bd365a723c05605ffd422a82efdf9a35a7715b4b43d1cb60e908cf22db8
        • MD5 SHA1 SHA512 SSDEEP

        EwEfmJC.exe

        • Path C:\Windows\System\EwEfmJC.exe
        • Size 5.9MB
        • SHA256 17e9fe3b03e045d46045d8bc451d91915628eda24326ec2e68165544eaaf17e2
        • MD5 SHA1 SHA512 SSDEEP

        GQmUNEY.exe

        • Path C:\Windows\System\GQmUNEY.exe
        • Size 5.9MB
        • SHA256 c32d37f4eee64afa4c9cb33f8272d838024fb799485cc01aed47b1804f93b860
        • MD5 SHA1 SHA512 SSDEEP

        MNaTPAC.exe

        • Path C:\Windows\System\MNaTPAC.exe
        • Size 5.9MB
        • SHA256 388863ed3dcc6e44691f1fa4d42d8986f3b44ea80e36cc2a1ef9d6a053acc489
        • MD5 SHA1 SHA512 SSDEEP

        NSyPjId.exe

        • Path C:\Windows\System\NSyPjId.exe
        • Size 5.9MB
        • SHA256 c5e301901fef459a3e38e9d11926aa3820ff0373c6a2eeb6b1db58891f4913da
        • MD5 SHA1 SHA512 SSDEEP

        UYFdvcb.exe

        • Path C:\Windows\System\UYFdvcb.exe
        • Size 5.9MB
        • SHA256 6f8df4e28cffd02b38f83100dec72d26cce27765b297f9f83e04cc8ce266ddee
        • MD5 SHA1 SHA512 SSDEEP

        WRyIoOf.exe

        • Path C:\Windows\System\WRyIoOf.exe
        • Size 5.9MB
        • SHA256 deb173df6f9b3d9349f960d8aa12b382753fd83e7366e1a638fb796947cdf2b9
        • MD5 SHA1 SHA512 SSDEEP

        YUJxzWn.exe

        • Path C:\Windows\System\YUJxzWn.exe
        • Size 5.9MB
        • SHA256 6418f46b400c850322f62fb8224a07a175944ee4e301a022a79e8dbf3040b363
        • MD5 SHA1 SHA512 SSDEEP

        YvGlNNl.exe

        • Path C:\Windows\System\YvGlNNl.exe
        • Size 5.9MB
        • SHA256 52cef66977bf2a272350698c94837999a27788731f802a3b1f298812110eecff
        • MD5 SHA1 SHA512 SSDEEP

        ZmzjUQN.exe

        • Path C:\Windows\System\ZmzjUQN.exe
        • Size 5.9MB
        • SHA256 1babbde42790bee296b5cca26223e33777ccaf33f5a4ce8adba903e79180807a
        • MD5 SHA1 SHA512 SSDEEP

        diJlrja.exe

        • Path C:\Windows\System\diJlrja.exe
        • Size 5.9MB
        • SHA256 513c27e93d5e500710789935f3c491373730467df22e27385eeeca0fb2e3a03e
        • MD5 SHA1 SHA512 SSDEEP

        gHYwkcs.exe

        • Path C:\Windows\System\gHYwkcs.exe
        • Size 5.9MB
        • SHA256 37ab1e475277750d1eff958c0fa745cb674a605e12d9fd2c7c19c514a42080e8
        • MD5 SHA1 SHA512 SSDEEP

        hkrPyqm.exe

        • Path C:\Windows\System\hkrPyqm.exe
        • Size 5.9MB
        • SHA256 28649351f0a114b1d999ccb7b7d5924e0a0c7780349f7b09682c5a8c34c0dcb4
        • MD5 SHA1 SHA512 SSDEEP

        iMHEwjl.exe

        • Path C:\Windows\System\iMHEwjl.exe
        • Size 5.9MB
        • SHA256 78160966092484ba9f79b29989b5fa34a0a8e447f569293a08ec499da802bd28
        • MD5 SHA1 SHA512 SSDEEP

        kfSJuDL.exe

        • Path C:\Windows\System\kfSJuDL.exe
        • Size 5.9MB
        • SHA256 29822257afbd85dddec4c90aaad056350b71fea490d15c342b0cbb4528cffd31
        • MD5 SHA1 SHA512 SSDEEP

        qNBJbIq.exe

        • Path C:\Windows\System\qNBJbIq.exe
        • Size 5.9MB
        • SHA256 c77b791f653352022be8a578ca31ea37bfe54f4d483d8cd1df8b92ddd9b345f9
        • MD5 SHA1 SHA512 SSDEEP

        sXRaHPD.exe

        • Path C:\Windows\System\sXRaHPD.exe
        • Size 5.9MB
        • SHA256 1206d382af42db2b287ac5ffd040c538dd4ee01abcc39e84c3953447da852594
        • MD5 SHA1 SHA512 SSDEEP

        uZizoXj.exe

        • Path C:\Windows\System\uZizoXj.exe
        • Size 5.9MB
        • SHA256 c23a7277be36c6dd2f09109fee4af1c2532065471b9b2afbf33c9d1d82a638a3
        • MD5 SHA1 SHA512 SSDEEP

        vrNcwdD.exe

        • Path C:\Windows\System\vrNcwdD.exe
        • Size 5.9MB
        • SHA256 44bccf162fa5ec2f4eac833d5a46d6bc2dd6821f85e15762f92e5235952e6579
        • MD5 SHA1 SHA512 SSDEEP

        memory/1404-158-0x00007FF66F590000-0x00007FF66F8E4000-memory.dmp

        memory/1404-137-0x00007FF66F590000-0x00007FF66F8E4000-memory.dmp

        memory/1404-127-0x00007FF66F590000-0x00007FF66F8E4000-memory.dmp

        memory/1496-7-0x00007FF6F5240000-0x00007FF6F5594000-memory.dmp

        memory/1496-67-0x00007FF6F5240000-0x00007FF6F5594000-memory.dmp

        memory/1496-139-0x00007FF6F5240000-0x00007FF6F5594000-memory.dmp

        memory/2128-159-0x00007FF7B82A0000-0x00007FF7B85F4000-memory.dmp

        memory/2128-128-0x00007FF7B82A0000-0x00007FF7B85F4000-memory.dmp

        memory/2128-138-0x00007FF7B82A0000-0x00007FF7B85F4000-memory.dmp

        memory/2212-152-0x00007FF613A00000-0x00007FF613D54000-memory.dmp

        memory/2212-136-0x00007FF613A00000-0x00007FF613D54000-memory.dmp

        memory/2212-88-0x00007FF613A00000-0x00007FF613D54000-memory.dmp

        memory/2612-44-0x00007FF640020000-0x00007FF640374000-memory.dmp

        memory/2612-126-0x00007FF640020000-0x00007FF640374000-memory.dmp

        memory/2612-145-0x00007FF640020000-0x00007FF640374000-memory.dmp

        memory/2864-148-0x00007FF632AB0000-0x00007FF632E04000-memory.dmp

        memory/2864-63-0x00007FF632AB0000-0x00007FF632E04000-memory.dmp

        memory/3388-0-0x00007FF7819C0000-0x00007FF781D14000-memory.dmp

        memory/3388-62-0x00007FF7819C0000-0x00007FF781D14000-memory.dmp

        memory/3388-1-0x000002756FC30000-0x000002756FC40000-memory.dmp

        memory/3448-146-0x00007FF7415A0000-0x00007FF7418F4000-memory.dmp

        memory/3448-131-0x00007FF7415A0000-0x00007FF7418F4000-memory.dmp

        memory/3448-48-0x00007FF7415A0000-0x00007FF7418F4000-memory.dmp

        memory/3704-143-0x00007FF6B7180000-0x00007FF6B74D4000-memory.dmp

        memory/3704-32-0x00007FF6B7180000-0x00007FF6B74D4000-memory.dmp

        memory/3804-155-0x00007FF71B5D0000-0x00007FF71B924000-memory.dmp

        memory/3804-123-0x00007FF71B5D0000-0x00007FF71B924000-memory.dmp

        memory/3828-104-0x00007FF712F20000-0x00007FF713274000-memory.dmp

        memory/3828-154-0x00007FF712F20000-0x00007FF713274000-memory.dmp

        memory/3992-68-0x00007FF6697A0000-0x00007FF669AF4000-memory.dmp

        memory/3992-135-0x00007FF6697A0000-0x00007FF669AF4000-memory.dmp

        memory/3992-150-0x00007FF6697A0000-0x00007FF669AF4000-memory.dmp

        memory/4028-26-0x00007FF70A260000-0x00007FF70A5B4000-memory.dmp

        memory/4028-142-0x00007FF70A260000-0x00007FF70A5B4000-memory.dmp

        memory/4052-124-0x00007FF620AF0000-0x00007FF620E44000-memory.dmp

        memory/4052-156-0x00007FF620AF0000-0x00007FF620E44000-memory.dmp

        memory/4060-121-0x00007FF679840000-0x00007FF679B94000-memory.dmp

        memory/4060-157-0x00007FF679840000-0x00007FF679B94000-memory.dmp

        memory/4124-119-0x00007FF7A6AF0000-0x00007FF7A6E44000-memory.dmp

        memory/4124-144-0x00007FF7A6AF0000-0x00007FF7A6E44000-memory.dmp

        memory/4124-38-0x00007FF7A6AF0000-0x00007FF7A6E44000-memory.dmp

        memory/4136-100-0x00007FF6730E0000-0x00007FF673434000-memory.dmp

        memory/4136-153-0x00007FF6730E0000-0x00007FF673434000-memory.dmp

        memory/4388-82-0x00007FF6F4B50000-0x00007FF6F4EA4000-memory.dmp

        memory/4388-151-0x00007FF6F4B50000-0x00007FF6F4EA4000-memory.dmp

        memory/4876-147-0x00007FF7D47C0000-0x00007FF7D4B14000-memory.dmp

        memory/4876-134-0x00007FF7D47C0000-0x00007FF7D4B14000-memory.dmp

        memory/4876-56-0x00007FF7D47C0000-0x00007FF7D4B14000-memory.dmp

        memory/4892-141-0x00007FF6A4900000-0x00007FF6A4C54000-memory.dmp

        memory/4892-20-0x00007FF6A4900000-0x00007FF6A4C54000-memory.dmp

        memory/4932-13-0x00007FF6EEAB0000-0x00007FF6EEE04000-memory.dmp

        memory/4932-76-0x00007FF6EEAB0000-0x00007FF6EEE04000-memory.dmp

        memory/4932-140-0x00007FF6EEAB0000-0x00007FF6EEE04000-memory.dmp

        memory/5040-149-0x00007FF64F4B0000-0x00007FF64F804000-memory.dmp

        memory/5040-77-0x00007FF64F4B0000-0x00007FF64F804000-memory.dmp