Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 00:01

General

  • Target
    2024-06-01_77505270a250a5e744f22d21493be26b_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240602-aa691scc44
  • SHA256 b69870fec7f438f67937e34f1447542f2ff7f7b50353d7e50800e84903e7e207
  • 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\2024-06-01_77505270a250a5e744f22d21493be26b_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_77505270a250a5e744f22d21493be26b_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Windows\System\EXhXIBY.exe
      C:\Windows\System\EXhXIBY.exe
      2⤵
      • Executes dropped EXE
      PID:3984
    • C:\Windows\System\PPjTRwQ.exe
      C:\Windows\System\PPjTRwQ.exe
      2⤵
      • Executes dropped EXE
      PID:4352
    • C:\Windows\System\ZTnDYze.exe
      C:\Windows\System\ZTnDYze.exe
      2⤵
      • Executes dropped EXE
      PID:2136
    • C:\Windows\System\MRjHNJN.exe
      C:\Windows\System\MRjHNJN.exe
      2⤵
      • Executes dropped EXE
      PID:2972
    • C:\Windows\System\muIVuOS.exe
      C:\Windows\System\muIVuOS.exe
      2⤵
      • Executes dropped EXE
      PID:4248
    • C:\Windows\System\Hkdghli.exe
      C:\Windows\System\Hkdghli.exe
      2⤵
      • Executes dropped EXE
      PID:4076
    • C:\Windows\System\FFzgfWt.exe
      C:\Windows\System\FFzgfWt.exe
      2⤵
      • Executes dropped EXE
      PID:4024
    • C:\Windows\System\eNGTRDD.exe
      C:\Windows\System\eNGTRDD.exe
      2⤵
      • Executes dropped EXE
      PID:1808
    • C:\Windows\System\wxxtyAU.exe
      C:\Windows\System\wxxtyAU.exe
      2⤵
      • Executes dropped EXE
      PID:3232
    • C:\Windows\System\jmWYgMT.exe
      C:\Windows\System\jmWYgMT.exe
      2⤵
      • Executes dropped EXE
      PID:1072
    • C:\Windows\System\DihDpCl.exe
      C:\Windows\System\DihDpCl.exe
      2⤵
      • Executes dropped EXE
      PID:3640
    • C:\Windows\System\fPlAwSN.exe
      C:\Windows\System\fPlAwSN.exe
      2⤵
      • Executes dropped EXE
      PID:1392
    • C:\Windows\System\XsznOjA.exe
      C:\Windows\System\XsznOjA.exe
      2⤵
      • Executes dropped EXE
      PID:2128
    • C:\Windows\System\vZWLXrZ.exe
      C:\Windows\System\vZWLXrZ.exe
      2⤵
      • Executes dropped EXE
      PID:4716
    • C:\Windows\System\OxedOkp.exe
      C:\Windows\System\OxedOkp.exe
      2⤵
      • Executes dropped EXE
      PID:4432
    • C:\Windows\System\yfMpxdA.exe
      C:\Windows\System\yfMpxdA.exe
      2⤵
      • Executes dropped EXE
      PID:4648
    • C:\Windows\System\OVtpMtX.exe
      C:\Windows\System\OVtpMtX.exe
      2⤵
      • Executes dropped EXE
      PID:2192
    • C:\Windows\System\HgiVLzk.exe
      C:\Windows\System\HgiVLzk.exe
      2⤵
      • Executes dropped EXE
      PID:1944
    • C:\Windows\System\oEmVAoN.exe
      C:\Windows\System\oEmVAoN.exe
      2⤵
      • Executes dropped EXE
      PID:3328
    • C:\Windows\System\LnnQoUG.exe
      C:\Windows\System\LnnQoUG.exe
      2⤵
      • Executes dropped EXE
      PID:3896
    • C:\Windows\System\ocBZFyi.exe
      C:\Windows\System\ocBZFyi.exe
      2⤵
      • Executes dropped EXE
      PID:3488

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DihDpCl.exe

        • Path C:\Windows\System\DihDpCl.exe
        • Size 5.9MB
        • SHA256 4c80b16ba6bfd61537a01734dac67c783a51bd2652b8bfd039640c762af95ca4
        • MD5 SHA1 SHA512 SSDEEP

        EXhXIBY.exe

        • Path C:\Windows\System\EXhXIBY.exe
        • Size 5.9MB
        • SHA256 86fd952429dfc4ccd1c610dd62ba872900137055505333f3b60d95bffab241cd
        • MD5 SHA1 SHA512 SSDEEP

        FFzgfWt.exe

        • Path C:\Windows\System\FFzgfWt.exe
        • Size 5.9MB
        • SHA256 cf34e371d4c48980b2d6d4f66bcce79d0b9fd667ccd412700e60f49332069eee
        • MD5 SHA1 SHA512 SSDEEP

        HgiVLzk.exe

        • Path C:\Windows\System\HgiVLzk.exe
        • Size 5.9MB
        • SHA256 da5d59260dc95f8e3d3c4260c4994f09a574cd4889acdef83f387f96353f40a2
        • MD5 SHA1 SHA512 SSDEEP

        Hkdghli.exe

        • Path C:\Windows\System\Hkdghli.exe
        • Size 5.9MB
        • SHA256 e04acad61e52b7c39fd74f8df65714c15831bad907433867da0cf01ef93e1f0b
        • MD5 SHA1 SHA512 SSDEEP

        LnnQoUG.exe

        • Path C:\Windows\System\LnnQoUG.exe
        • Size 5.9MB
        • SHA256 3e2f74b28cd1c9a57b0ec16bb15ce2b952e5ba36c06ee1baeba2077b6d7dd8fc
        • MD5 SHA1 SHA512 SSDEEP

        MRjHNJN.exe

        • Path C:\Windows\System\MRjHNJN.exe
        • Size 5.9MB
        • SHA256 f701becaa98f7a47171b99af8984c48f876802b942fa841fece9256169089177
        • MD5 SHA1 SHA512 SSDEEP

        OVtpMtX.exe

        • Path C:\Windows\System\OVtpMtX.exe
        • Size 5.9MB
        • SHA256 30150dc72fa6da459c624ca9f33c87f0bbff5d8c0aec942405454b06308e9271
        • MD5 SHA1 SHA512 SSDEEP

        OxedOkp.exe

        • Path C:\Windows\System\OxedOkp.exe
        • Size 5.9MB
        • SHA256 ea49b569efbf948f34decad75b352b8a138a16474df4ca8145d112c9699d0b56
        • MD5 SHA1 SHA512 SSDEEP

        PPjTRwQ.exe

        • Path C:\Windows\System\PPjTRwQ.exe
        • Size 5.9MB
        • SHA256 2041bec9e7eb7c7476f9de32b469ad7a6c447f1224d73760384659b8e9dd2854
        • MD5 SHA1 SHA512 SSDEEP

        XsznOjA.exe

        • Path C:\Windows\System\XsznOjA.exe
        • Size 5.9MB
        • SHA256 6a23762d325f7edc7d97740864705b054b7fa41be6cf3603933ce4ba5dcfe785
        • MD5 SHA1 SHA512 SSDEEP

        ZTnDYze.exe

        • Path C:\Windows\System\ZTnDYze.exe
        • Size 5.9MB
        • SHA256 3ca1e0cf31205e638703c50e72a654b95e09609c5020ebad12cc442de8865fe1
        • MD5 SHA1 SHA512 SSDEEP

        eNGTRDD.exe

        • Path C:\Windows\System\eNGTRDD.exe
        • Size 5.9MB
        • SHA256 592fdfc0e6f2cbbb10cf16956c95683e56da76457c6ec5a294c679e92eb583d1
        • MD5 SHA1 SHA512 SSDEEP

        fPlAwSN.exe

        • Path C:\Windows\System\fPlAwSN.exe
        • Size 5.9MB
        • SHA256 439dd95f4d98a18789e028b6b043eccaa24bd1589f85c8157553c1167d027357
        • MD5 SHA1 SHA512 SSDEEP

        jmWYgMT.exe

        • Path C:\Windows\System\jmWYgMT.exe
        • Size 5.9MB
        • SHA256 255e6256223aa3dae00959dd7800b4905a30fad678d9d63f0a2897ee3a75dd19
        • MD5 SHA1 SHA512 SSDEEP

        muIVuOS.exe

        • Path C:\Windows\System\muIVuOS.exe
        • Size 5.9MB
        • SHA256 efa466d5c9c49adbd3692c285514898b4f14e32fdb151ff515b9adcb14b6c7b3
        • MD5 SHA1 SHA512 SSDEEP

        oEmVAoN.exe

        • Path C:\Windows\System\oEmVAoN.exe
        • Size 5.9MB
        • SHA256 cd4b6feabd60280d85403f1e67103ce921c75cfbe1d6cf65c1e6e5f237f5e9af
        • MD5 SHA1 SHA512 SSDEEP

        ocBZFyi.exe

        • Path C:\Windows\System\ocBZFyi.exe
        • Size 5.9MB
        • SHA256 30d05944e70067bf7ae1bf3574ea2984a9fa546d54895becce2b9bf6bea5cc7b
        • MD5 SHA1 SHA512 SSDEEP

        vZWLXrZ.exe

        • Path C:\Windows\System\vZWLXrZ.exe
        • Size 5.9MB
        • SHA256 3658a5356f3bcd54b1a1e9886f267d258c0b51a885a1c6c4c20c626cd05c6104
        • MD5 SHA1 SHA512 SSDEEP

        wxxtyAU.exe

        • Path C:\Windows\System\wxxtyAU.exe
        • Size 5.9MB
        • SHA256 71c30c2abea2cbf54b036ce1bf838294f93f1445344843b203e17a9ffa394465
        • MD5 SHA1 SHA512 SSDEEP

        yfMpxdA.exe

        • Path C:\Windows\System\yfMpxdA.exe
        • Size 5.9MB
        • SHA256 951708229786f02beafd556d9e06134c50201667964fef2dcde72c6761b90edd
        • MD5 SHA1 SHA512 SSDEEP

        memory/1072-143-0x00007FF76E950000-0x00007FF76ECA4000-memory.dmp

        memory/1072-78-0x00007FF76E950000-0x00007FF76ECA4000-memory.dmp

        memory/1392-146-0x00007FF7E4AC0000-0x00007FF7E4E14000-memory.dmp

        memory/1392-82-0x00007FF7E4AC0000-0x00007FF7E4E14000-memory.dmp

        memory/1808-52-0x00007FF752AE0000-0x00007FF752E34000-memory.dmp

        memory/1808-132-0x00007FF752AE0000-0x00007FF752E34000-memory.dmp

        memory/1808-142-0x00007FF752AE0000-0x00007FF752E34000-memory.dmp

        memory/1944-151-0x00007FF6C3300000-0x00007FF6C3654000-memory.dmp

        memory/1944-124-0x00007FF6C3300000-0x00007FF6C3654000-memory.dmp

        memory/2128-83-0x00007FF631920000-0x00007FF631C74000-memory.dmp

        memory/2128-145-0x00007FF631920000-0x00007FF631C74000-memory.dmp

        memory/2136-29-0x00007FF7AE720000-0x00007FF7AEA74000-memory.dmp

        memory/2136-136-0x00007FF7AE720000-0x00007FF7AEA74000-memory.dmp

        memory/2192-123-0x00007FF680400000-0x00007FF680754000-memory.dmp

        memory/2192-148-0x00007FF680400000-0x00007FF680754000-memory.dmp

        memory/2972-28-0x00007FF6C9100000-0x00007FF6C9454000-memory.dmp

        memory/2972-137-0x00007FF6C9100000-0x00007FF6C9454000-memory.dmp

        memory/3232-141-0x00007FF669CA0000-0x00007FF669FF4000-memory.dmp

        memory/3232-133-0x00007FF669CA0000-0x00007FF669FF4000-memory.dmp

        memory/3232-55-0x00007FF669CA0000-0x00007FF669FF4000-memory.dmp

        memory/3328-125-0x00007FF6C1340000-0x00007FF6C1694000-memory.dmp

        memory/3328-153-0x00007FF6C1340000-0x00007FF6C1694000-memory.dmp

        memory/3488-154-0x00007FF67BDA0000-0x00007FF67C0F4000-memory.dmp

        memory/3488-127-0x00007FF67BDA0000-0x00007FF67C0F4000-memory.dmp

        memory/3640-144-0x00007FF78FB30000-0x00007FF78FE84000-memory.dmp

        memory/3640-81-0x00007FF78FB30000-0x00007FF78FE84000-memory.dmp

        memory/3896-126-0x00007FF7BC5C0000-0x00007FF7BC914000-memory.dmp

        memory/3896-152-0x00007FF7BC5C0000-0x00007FF7BC914000-memory.dmp

        memory/3984-7-0x00007FF72FA90000-0x00007FF72FDE4000-memory.dmp

        memory/3984-134-0x00007FF72FA90000-0x00007FF72FDE4000-memory.dmp

        memory/3984-129-0x00007FF72FA90000-0x00007FF72FDE4000-memory.dmp

        memory/4024-140-0x00007FF759D60000-0x00007FF75A0B4000-memory.dmp

        memory/4024-50-0x00007FF759D60000-0x00007FF75A0B4000-memory.dmp

        memory/4076-36-0x00007FF6AA390000-0x00007FF6AA6E4000-memory.dmp

        memory/4076-139-0x00007FF6AA390000-0x00007FF6AA6E4000-memory.dmp

        memory/4076-131-0x00007FF6AA390000-0x00007FF6AA6E4000-memory.dmp

        memory/4248-138-0x00007FF681CB0000-0x00007FF682004000-memory.dmp

        memory/4248-130-0x00007FF681CB0000-0x00007FF682004000-memory.dmp

        memory/4248-30-0x00007FF681CB0000-0x00007FF682004000-memory.dmp

        memory/4352-24-0x00007FF678EE0000-0x00007FF679234000-memory.dmp

        memory/4352-135-0x00007FF678EE0000-0x00007FF679234000-memory.dmp

        memory/4432-150-0x00007FF678F00000-0x00007FF679254000-memory.dmp

        memory/4432-121-0x00007FF678F00000-0x00007FF679254000-memory.dmp

        memory/4648-122-0x00007FF600850000-0x00007FF600BA4000-memory.dmp

        memory/4648-149-0x00007FF600850000-0x00007FF600BA4000-memory.dmp

        memory/4716-86-0x00007FF70C950000-0x00007FF70CCA4000-memory.dmp

        memory/4716-147-0x00007FF70C950000-0x00007FF70CCA4000-memory.dmp

        memory/5112-1-0x00000136C0400000-0x00000136C0410000-memory.dmp

        memory/5112-0-0x00007FF669D80000-0x00007FF66A0D4000-memory.dmp

        memory/5112-128-0x00007FF669D80000-0x00007FF66A0D4000-memory.dmp