Analysis

  • max time kernel
    140s
  • 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
    27/05/2024, 03:51

General

  • Target
    2024-05-27_69aa1b678637578c28b026fc142bed53_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240527-eegmdafb5z
  • SHA256 f1309518287aa8a382d365feaa0119802e679d8d45126cc2ad6ff7fa180f9498
  • 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\2024-05-27_69aa1b678637578c28b026fc142bed53_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_69aa1b678637578c28b026fc142bed53_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\System\KIXIsVO.exe
      C:\Windows\System\KIXIsVO.exe
      2⤵
      • Executes dropped EXE
      PID:4884
    • C:\Windows\System\cBubopG.exe
      C:\Windows\System\cBubopG.exe
      2⤵
      • Executes dropped EXE
      PID:544
    • C:\Windows\System\PnRTCnk.exe
      C:\Windows\System\PnRTCnk.exe
      2⤵
      • Executes dropped EXE
      PID:3452
    • C:\Windows\System\VaAiaQU.exe
      C:\Windows\System\VaAiaQU.exe
      2⤵
      • Executes dropped EXE
      PID:2780
    • C:\Windows\System\LtOKLTJ.exe
      C:\Windows\System\LtOKLTJ.exe
      2⤵
      • Executes dropped EXE
      PID:2108
    • C:\Windows\System\IIgMMQS.exe
      C:\Windows\System\IIgMMQS.exe
      2⤵
      • Executes dropped EXE
      PID:2980
    • C:\Windows\System\JIUVgNG.exe
      C:\Windows\System\JIUVgNG.exe
      2⤵
      • Executes dropped EXE
      PID:2292
    • C:\Windows\System\kwmCJxM.exe
      C:\Windows\System\kwmCJxM.exe
      2⤵
      • Executes dropped EXE
      PID:5108
    • C:\Windows\System\wBqGgKn.exe
      C:\Windows\System\wBqGgKn.exe
      2⤵
      • Executes dropped EXE
      PID:4984
    • C:\Windows\System\PQmBFTR.exe
      C:\Windows\System\PQmBFTR.exe
      2⤵
      • Executes dropped EXE
      PID:2648
    • C:\Windows\System\prqcnQw.exe
      C:\Windows\System\prqcnQw.exe
      2⤵
      • Executes dropped EXE
      PID:3428
    • C:\Windows\System\ltxnrow.exe
      C:\Windows\System\ltxnrow.exe
      2⤵
      • Executes dropped EXE
      PID:456
    • C:\Windows\System\oKOgIfW.exe
      C:\Windows\System\oKOgIfW.exe
      2⤵
      • Executes dropped EXE
      PID:3904
    • C:\Windows\System\JXNlayt.exe
      C:\Windows\System\JXNlayt.exe
      2⤵
      • Executes dropped EXE
      PID:760
    • C:\Windows\System\iwcOVuF.exe
      C:\Windows\System\iwcOVuF.exe
      2⤵
      • Executes dropped EXE
      PID:4068
    • C:\Windows\System\GyqldMu.exe
      C:\Windows\System\GyqldMu.exe
      2⤵
      • Executes dropped EXE
      PID:3808
    • C:\Windows\System\VvmzbRn.exe
      C:\Windows\System\VvmzbRn.exe
      2⤵
      • Executes dropped EXE
      PID:1396
    • C:\Windows\System\yMiyGWm.exe
      C:\Windows\System\yMiyGWm.exe
      2⤵
      • Executes dropped EXE
      PID:3868
    • C:\Windows\System\fLvpTLo.exe
      C:\Windows\System\fLvpTLo.exe
      2⤵
      • Executes dropped EXE
      PID:4920
    • C:\Windows\System\iNMDxqF.exe
      C:\Windows\System\iNMDxqF.exe
      2⤵
      • Executes dropped EXE
      PID:752
    • C:\Windows\System\XElfPmE.exe
      C:\Windows\System\XElfPmE.exe
      2⤵
      • Executes dropped EXE
      PID:4424

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        GyqldMu.exe

        • Path C:\Windows\System\GyqldMu.exe
        • Size 5.9MB
        • SHA256 fccda9474d5a517adf0b40a1a6b14dd846153ff621fcefdec5291ecce02cd781
        • MD5 SHA1 SHA512 SSDEEP

        IIgMMQS.exe

        • Path C:\Windows\System\IIgMMQS.exe
        • Size 5.9MB
        • SHA256 58532ccf753cff699c32db6fc9999c98fcb479ac4472aa407f2be549b638c651
        • MD5 SHA1 SHA512 SSDEEP

        JIUVgNG.exe

        • Path C:\Windows\System\JIUVgNG.exe
        • Size 5.9MB
        • SHA256 9292ea2f27fe23dbaf2a5503b741a19c3da5c8f64d2eaaf1abc79be35292a31c
        • MD5 SHA1 SHA512 SSDEEP

        JXNlayt.exe

        • Path C:\Windows\System\JXNlayt.exe
        • Size 5.9MB
        • SHA256 99f139bfca4023790f9171a1764f0e4412c544a1a8fd32c00dbff7d1badae919
        • MD5 SHA1 SHA512 SSDEEP

        KIXIsVO.exe

        • Path C:\Windows\System\KIXIsVO.exe
        • Size 5.9MB
        • SHA256 283c1ba04431fecf16a0f4814d7981452b5b97ad48359d038427ae3550e8b866
        • MD5 SHA1 SHA512 SSDEEP

        LtOKLTJ.exe

        • Path C:\Windows\System\LtOKLTJ.exe
        • Size 5.9MB
        • SHA256 1a045f6204a305d9467d77041bb7dee66b2dd1663bb01b08973acf11e98f2111
        • MD5 SHA1 SHA512 SSDEEP

        PQmBFTR.exe

        • Path C:\Windows\System\PQmBFTR.exe
        • Size 5.9MB
        • SHA256 1ef1cd6a3864084308fac6f473a939fb3552d646d928b1ec6dfa7ec78a3c31cb
        • MD5 SHA1 SHA512 SSDEEP

        PnRTCnk.exe

        • Path C:\Windows\System\PnRTCnk.exe
        • Size 5.9MB
        • SHA256 10897004dbd732263c7d8a2e176b8e03619f95d4d10ca00317149847bcbeb015
        • MD5 SHA1 SHA512 SSDEEP

        VaAiaQU.exe

        • Path C:\Windows\System\VaAiaQU.exe
        • Size 5.9MB
        • SHA256 b1107647e92db2a4ca1ae4377ff3fc02bee57cac645f07b4486b6501482785a3
        • MD5 SHA1 SHA512 SSDEEP

        VvmzbRn.exe

        • Path C:\Windows\System\VvmzbRn.exe
        • Size 5.9MB
        • SHA256 4cf6ff8f38c478eb2949ac5c107db50593d35d38d1bd21eb09bc7ed0cce91d56
        • MD5 SHA1 SHA512 SSDEEP

        XElfPmE.exe

        • Path C:\Windows\System\XElfPmE.exe
        • Size 5.9MB
        • SHA256 8d6dab8182e832b012744d678b9e234a9646ec5cf4977e4d3eab5742d5f2ad69
        • MD5 SHA1 SHA512 SSDEEP

        cBubopG.exe

        • Path C:\Windows\System\cBubopG.exe
        • Size 5.9MB
        • SHA256 61c44ba6cb777be3c04aaa64cd7a44dfaac5c18f1f73ac0b6b11020acf3e02d5
        • MD5 SHA1 SHA512 SSDEEP

        fLvpTLo.exe

        • Path C:\Windows\System\fLvpTLo.exe
        • Size 5.9MB
        • SHA256 235090a16e45ca20b377b5bff075ce494a3cf29d190a01a606b73b5a1a4b6e6e
        • MD5 SHA1 SHA512 SSDEEP

        iNMDxqF.exe

        • Path C:\Windows\System\iNMDxqF.exe
        • Size 5.9MB
        • SHA256 2443560737188de4ec3cd154b2d4b4eb2dd2712752fb17bdf7408cfc2d40c49d
        • MD5 SHA1 SHA512 SSDEEP

        iwcOVuF.exe

        • Path C:\Windows\System\iwcOVuF.exe
        • Size 5.9MB
        • SHA256 cbbf321ac36b90f5b24b7d8238b3289a12027543657d7b06112f31fa90982704
        • MD5 SHA1 SHA512 SSDEEP

        kwmCJxM.exe

        • Path C:\Windows\System\kwmCJxM.exe
        • Size 5.9MB
        • SHA256 3b71770c59350cfe818b36e67f47d8ce837958a50a2fa6b381d0fbb82183a847
        • MD5 SHA1 SHA512 SSDEEP

        ltxnrow.exe

        • Path C:\Windows\System\ltxnrow.exe
        • Size 5.9MB
        • SHA256 6576c6030d9f685435e2da3e2d26092fab0ed6766fb390e85f46b81ccee60612
        • MD5 SHA1 SHA512 SSDEEP

        oKOgIfW.exe

        • Path C:\Windows\System\oKOgIfW.exe
        • Size 5.9MB
        • SHA256 6214c9becb552e376844e2cef2cf9fd7a152bcd3c6459278abcc79223851957a
        • MD5 SHA1 SHA512 SSDEEP

        prqcnQw.exe

        • Path C:\Windows\System\prqcnQw.exe
        • Size 5.9MB
        • SHA256 2f21d05a80ae3cad4ff3a35abc4f000a67eedba32fa31ad9ba39708ed1be277a
        • MD5 SHA1 SHA512 SSDEEP

        wBqGgKn.exe

        • Path C:\Windows\System\wBqGgKn.exe
        • Size 5.9MB
        • SHA256 6f94cdfb93a9562fdc66a64f8a6d8777a53eb4d99cb22ce60a882345da9efe10
        • MD5 SHA1 SHA512 SSDEEP

        yMiyGWm.exe

        • Path C:\Windows\System\yMiyGWm.exe
        • Size 5.9MB
        • SHA256 cbdbb5a7cc11e6b55a8e9d74d94dbb1faa3ffde83b84707b1f575aaba17d6156
        • MD5 SHA1 SHA512 SSDEEP

        memory/456-136-0x00007FF6F8160000-0x00007FF6F84B4000-memory.dmp

        memory/456-76-0x00007FF6F8160000-0x00007FF6F84B4000-memory.dmp

        memory/456-151-0x00007FF6F8160000-0x00007FF6F84B4000-memory.dmp

        memory/544-12-0x00007FF732C60000-0x00007FF732FB4000-memory.dmp

        memory/544-81-0x00007FF732C60000-0x00007FF732FB4000-memory.dmp

        memory/544-141-0x00007FF732C60000-0x00007FF732FB4000-memory.dmp

        memory/752-132-0x00007FF63B3A0000-0x00007FF63B6F4000-memory.dmp

        memory/752-159-0x00007FF63B3A0000-0x00007FF63B6F4000-memory.dmp

        memory/760-100-0x00007FF784C20000-0x00007FF784F74000-memory.dmp

        memory/760-153-0x00007FF784C20000-0x00007FF784F74000-memory.dmp

        memory/1396-157-0x00007FF63B8A0000-0x00007FF63BBF4000-memory.dmp

        memory/1396-109-0x00007FF63B8A0000-0x00007FF63BBF4000-memory.dmp

        memory/1396-138-0x00007FF63B8A0000-0x00007FF63BBF4000-memory.dmp

        memory/2108-144-0x00007FF6140D0000-0x00007FF614424000-memory.dmp

        memory/2108-30-0x00007FF6140D0000-0x00007FF614424000-memory.dmp

        memory/2108-116-0x00007FF6140D0000-0x00007FF614424000-memory.dmp

        memory/2292-42-0x00007FF601250000-0x00007FF6015A4000-memory.dmp

        memory/2292-134-0x00007FF601250000-0x00007FF6015A4000-memory.dmp

        memory/2292-146-0x00007FF601250000-0x00007FF6015A4000-memory.dmp

        memory/2648-61-0x00007FF7CADA0000-0x00007FF7CB0F4000-memory.dmp

        memory/2648-135-0x00007FF7CADA0000-0x00007FF7CB0F4000-memory.dmp

        memory/2648-149-0x00007FF7CADA0000-0x00007FF7CB0F4000-memory.dmp

        memory/2780-25-0x00007FF6825F0000-0x00007FF682944000-memory.dmp

        memory/2780-143-0x00007FF6825F0000-0x00007FF682944000-memory.dmp

        memory/2780-98-0x00007FF6825F0000-0x00007FF682944000-memory.dmp

        memory/2980-130-0x00007FF68A680000-0x00007FF68A9D4000-memory.dmp

        memory/2980-145-0x00007FF68A680000-0x00007FF68A9D4000-memory.dmp

        memory/2980-36-0x00007FF68A680000-0x00007FF68A9D4000-memory.dmp

        memory/3428-69-0x00007FF672CA0000-0x00007FF672FF4000-memory.dmp

        memory/3428-150-0x00007FF672CA0000-0x00007FF672FF4000-memory.dmp

        memory/3452-20-0x00007FF6E9F20000-0x00007FF6EA274000-memory.dmp

        memory/3452-142-0x00007FF6E9F20000-0x00007FF6EA274000-memory.dmp

        memory/3808-121-0x00007FF62DF20000-0x00007FF62E274000-memory.dmp

        memory/3808-156-0x00007FF62DF20000-0x00007FF62E274000-memory.dmp

        memory/3868-155-0x00007FF6229A0000-0x00007FF622CF4000-memory.dmp

        memory/3868-137-0x00007FF6229A0000-0x00007FF622CF4000-memory.dmp

        memory/3868-104-0x00007FF6229A0000-0x00007FF622CF4000-memory.dmp

        memory/3904-152-0x00007FF671F10000-0x00007FF672264000-memory.dmp

        memory/3904-95-0x00007FF671F10000-0x00007FF672264000-memory.dmp

        memory/4068-101-0x00007FF737870000-0x00007FF737BC4000-memory.dmp

        memory/4068-154-0x00007FF737870000-0x00007FF737BC4000-memory.dmp

        memory/4424-133-0x00007FF733EE0000-0x00007FF734234000-memory.dmp

        memory/4424-160-0x00007FF733EE0000-0x00007FF734234000-memory.dmp

        memory/4776-0-0x00007FF6759B0000-0x00007FF675D04000-memory.dmp

        memory/4776-66-0x00007FF6759B0000-0x00007FF675D04000-memory.dmp

        memory/4776-1-0x0000016AFE0A0000-0x0000016AFE0B0000-memory.dmp

        memory/4884-8-0x00007FF607020000-0x00007FF607374000-memory.dmp

        memory/4884-73-0x00007FF607020000-0x00007FF607374000-memory.dmp

        memory/4884-140-0x00007FF607020000-0x00007FF607374000-memory.dmp

        memory/4920-115-0x00007FF752160000-0x00007FF7524B4000-memory.dmp

        memory/4920-158-0x00007FF752160000-0x00007FF7524B4000-memory.dmp

        memory/4920-139-0x00007FF752160000-0x00007FF7524B4000-memory.dmp

        memory/4984-59-0x00007FF71B640000-0x00007FF71B994000-memory.dmp

        memory/4984-148-0x00007FF71B640000-0x00007FF71B994000-memory.dmp

        memory/5108-50-0x00007FF7CAF70000-0x00007FF7CB2C4000-memory.dmp

        memory/5108-147-0x00007FF7CAF70000-0x00007FF7CB2C4000-memory.dmp