Analysis

  • max time kernel
    138s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 20:37

General

  • Target
    2024-06-02_ef73b460113e94f25a5cd44410eddd90_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240602-zd59kaeb71
  • SHA256 9afcac867ef52d96f631444d1eab7bd6e472e2baa7e03ade307305af1da29b99
  • 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_ef73b460113e94f25a5cd44410eddd90_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_ef73b460113e94f25a5cd44410eddd90_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\System\bmIEaPz.exe
      C:\Windows\System\bmIEaPz.exe
      2⤵
      • Executes dropped EXE
      PID:1844
    • C:\Windows\System\EGKZYNT.exe
      C:\Windows\System\EGKZYNT.exe
      2⤵
      • Executes dropped EXE
      PID:3748
    • C:\Windows\System\QSxpsZz.exe
      C:\Windows\System\QSxpsZz.exe
      2⤵
      • Executes dropped EXE
      PID:2372
    • C:\Windows\System\HowzXfL.exe
      C:\Windows\System\HowzXfL.exe
      2⤵
      • Executes dropped EXE
      PID:4668
    • C:\Windows\System\suPEUTx.exe
      C:\Windows\System\suPEUTx.exe
      2⤵
      • Executes dropped EXE
      PID:4244
    • C:\Windows\System\idLkpxN.exe
      C:\Windows\System\idLkpxN.exe
      2⤵
      • Executes dropped EXE
      PID:2028
    • C:\Windows\System\rfUTWQM.exe
      C:\Windows\System\rfUTWQM.exe
      2⤵
      • Executes dropped EXE
      PID:904
    • C:\Windows\System\xKVwyvI.exe
      C:\Windows\System\xKVwyvI.exe
      2⤵
      • Executes dropped EXE
      PID:3696
    • C:\Windows\System\ppYglCG.exe
      C:\Windows\System\ppYglCG.exe
      2⤵
      • Executes dropped EXE
      PID:4808
    • C:\Windows\System\FpbGNzl.exe
      C:\Windows\System\FpbGNzl.exe
      2⤵
      • Executes dropped EXE
      PID:4316
    • C:\Windows\System\kiGulMv.exe
      C:\Windows\System\kiGulMv.exe
      2⤵
      • Executes dropped EXE
      PID:2748
    • C:\Windows\System\QPaRsxM.exe
      C:\Windows\System\QPaRsxM.exe
      2⤵
      • Executes dropped EXE
      PID:2160
    • C:\Windows\System\UxfCAaC.exe
      C:\Windows\System\UxfCAaC.exe
      2⤵
      • Executes dropped EXE
      PID:2784
    • C:\Windows\System\GkSosmn.exe
      C:\Windows\System\GkSosmn.exe
      2⤵
      • Executes dropped EXE
      PID:4832
    • C:\Windows\System\BshKycJ.exe
      C:\Windows\System\BshKycJ.exe
      2⤵
      • Executes dropped EXE
      PID:508
    • C:\Windows\System\radaoCk.exe
      C:\Windows\System\radaoCk.exe
      2⤵
      • Executes dropped EXE
      PID:2052
    • C:\Windows\System\YXktQYC.exe
      C:\Windows\System\YXktQYC.exe
      2⤵
      • Executes dropped EXE
      PID:4308
    • C:\Windows\System\fSXdCDm.exe
      C:\Windows\System\fSXdCDm.exe
      2⤵
      • Executes dropped EXE
      PID:1500
    • C:\Windows\System\EzgxItb.exe
      C:\Windows\System\EzgxItb.exe
      2⤵
      • Executes dropped EXE
      PID:1488
    • C:\Windows\System\WQXOVSH.exe
      C:\Windows\System\WQXOVSH.exe
      2⤵
      • Executes dropped EXE
      PID:2288
    • C:\Windows\System\wIosHsH.exe
      C:\Windows\System\wIosHsH.exe
      2⤵
      • Executes dropped EXE
      PID:4020

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        BshKycJ.exe

        • Path C:\Windows\System\BshKycJ.exe
        • Size 5.9MB
        • SHA256 a61a32e91410b3230f7d400d031889eaab2b596c947038bafcd790992b7b14fd
        • MD5 SHA1 SHA512 SSDEEP

        EGKZYNT.exe

        • Path C:\Windows\System\EGKZYNT.exe
        • Size 5.9MB
        • SHA256 ef52044cbd1fc6e799a7c93ddd53e467b39b18c3e0230073c86e4e9a6ba1b251
        • MD5 SHA1 SHA512 SSDEEP

        EzgxItb.exe

        • Path C:\Windows\System\EzgxItb.exe
        • Size 5.9MB
        • SHA256 08e960eb821cb3c4830b15824f2630f35d448e0e8296910a9b6a88fd83f9c9bb
        • MD5 SHA1 SHA512 SSDEEP

        FpbGNzl.exe

        • Path C:\Windows\System\FpbGNzl.exe
        • Size 5.9MB
        • SHA256 523d81d2b0dd57b60c0adacf6f01449b56daccc5bf61e41059e5234105c7d9a6
        • MD5 SHA1 SHA512 SSDEEP

        GkSosmn.exe

        • Path C:\Windows\System\GkSosmn.exe
        • Size 5.9MB
        • SHA256 5abf46442f7346abc4c483c449c0b7de8538433a30f861f8b225b02982e2e496
        • MD5 SHA1 SHA512 SSDEEP

        HowzXfL.exe

        • Path C:\Windows\System\HowzXfL.exe
        • Size 5.9MB
        • SHA256 d4dd36662064513d1e11e515ccd0df00cd1438e99b7cd4dad06c5b6da4763fd3
        • MD5 SHA1 SHA512 SSDEEP

        QPaRsxM.exe

        • Path C:\Windows\System\QPaRsxM.exe
        • Size 5.9MB
        • SHA256 a1dee098d69cb6305cb35b96ecb203b9f7272b49146952c4e0f25a013e5cc5a8
        • MD5 SHA1 SHA512 SSDEEP

        QSxpsZz.exe

        • Path C:\Windows\System\QSxpsZz.exe
        • Size 5.9MB
        • SHA256 8b451ee6ce25b12f3f6eb33686dfcdfb4d95664b8ebcaa7193c6090b9907d5a6
        • MD5 SHA1 SHA512 SSDEEP

        UxfCAaC.exe

        • Path C:\Windows\System\UxfCAaC.exe
        • Size 5.9MB
        • SHA256 2dfbd3410adc363d056f34746a2de427ac19f5d42738a2a04b9bfdb70d7eef5f
        • MD5 SHA1 SHA512 SSDEEP

        WQXOVSH.exe

        • Path C:\Windows\System\WQXOVSH.exe
        • Size 5.9MB
        • SHA256 ac7792ee79fe39a7605fb0b9ef427917ddccd17e9ca57d12bee895a0b48e7558
        • MD5 SHA1 SHA512 SSDEEP

        YXktQYC.exe

        • Path C:\Windows\System\YXktQYC.exe
        • Size 5.9MB
        • SHA256 aa434bee8c95b77d1d492e125d375b3ff367fab76a93207e99ffcce3e1e1c325
        • MD5 SHA1 SHA512 SSDEEP

        bmIEaPz.exe

        • Path C:\Windows\System\bmIEaPz.exe
        • Size 5.9MB
        • SHA256 d41bf7a8d592953cb88a55360edd0578291a943dddfda5ef3c4c86d2ceff113d
        • MD5 SHA1 SHA512 SSDEEP

        fSXdCDm.exe

        • Path C:\Windows\System\fSXdCDm.exe
        • Size 5.9MB
        • SHA256 336558636e8cd1dc73c416ce7cee5d86faa04b853661977ff890a43c9f1b46e2
        • MD5 SHA1 SHA512 SSDEEP

        idLkpxN.exe

        • Path C:\Windows\System\idLkpxN.exe
        • Size 5.9MB
        • SHA256 2cb4d930be9bbcb1a96678e332c4534b9ead9f69ff3d7810ae81703c994d75fa
        • MD5 SHA1 SHA512 SSDEEP

        kiGulMv.exe

        • Path C:\Windows\System\kiGulMv.exe
        • Size 5.9MB
        • SHA256 8f1741ba51ba98cfe5957bcd41a7e56cac22cb4425b32a152119390622e15d56
        • MD5 SHA1 SHA512 SSDEEP

        ppYglCG.exe

        • Path C:\Windows\System\ppYglCG.exe
        • Size 5.9MB
        • SHA256 80acb9d4b36cb7b61ee89dc2d07e53b76feef0e55b7a81e0fa3f4db21062f104
        • MD5 SHA1 SHA512 SSDEEP

        radaoCk.exe

        • Path C:\Windows\System\radaoCk.exe
        • Size 5.9MB
        • SHA256 f5b2ae3e192aa60a5335fc50e1eeafe15caf54f372e21a03a2d2fc7c811d7356
        • MD5 SHA1 SHA512 SSDEEP

        rfUTWQM.exe

        • Path C:\Windows\System\rfUTWQM.exe
        • Size 5.9MB
        • SHA256 0de65e2738a2d32d1b36dd55d9465c239fc23159de03d915530426b0dbd72fb9
        • MD5 SHA1 SHA512 SSDEEP

        suPEUTx.exe

        • Path C:\Windows\System\suPEUTx.exe
        • Size 5.9MB
        • SHA256 964987a5b90300dd0653199dc8d3e4f2469f85323a406f2f5c5007d10ced0b10
        • MD5 SHA1 SHA512 SSDEEP

        wIosHsH.exe

        • Path C:\Windows\System\wIosHsH.exe
        • Size 5.9MB
        • SHA256 8c2842e8dab8b4d3a3b4ef728504ff0412499b8db162e5b3e66969975481fb17
        • MD5 SHA1 SHA512 SSDEEP

        xKVwyvI.exe

        • Path C:\Windows\System\xKVwyvI.exe
        • Size 5.9MB
        • SHA256 66191a154685aa3b10587a26fc59210d5d8f81bdc0e700f53c8d541b569a266d
        • MD5 SHA1 SHA512 SSDEEP

        memory/508-93-0x00007FF73B1A0000-0x00007FF73B4F4000-memory.dmp

        memory/508-156-0x00007FF73B1A0000-0x00007FF73B4F4000-memory.dmp

        memory/508-139-0x00007FF73B1A0000-0x00007FF73B4F4000-memory.dmp

        memory/904-46-0x00007FF7539C0000-0x00007FF753D14000-memory.dmp

        memory/904-149-0x00007FF7539C0000-0x00007FF753D14000-memory.dmp

        memory/904-109-0x00007FF7539C0000-0x00007FF753D14000-memory.dmp

        memory/1212-0-0x00007FF6C1910000-0x00007FF6C1C64000-memory.dmp

        memory/1212-1-0x00000221ED210000-0x00000221ED220000-memory.dmp

        memory/1212-62-0x00007FF6C1910000-0x00007FF6C1C64000-memory.dmp

        memory/1488-160-0x00007FF648810000-0x00007FF648B64000-memory.dmp

        memory/1488-133-0x00007FF648810000-0x00007FF648B64000-memory.dmp

        memory/1500-118-0x00007FF6249B0000-0x00007FF624D04000-memory.dmp

        memory/1500-141-0x00007FF6249B0000-0x00007FF624D04000-memory.dmp

        memory/1500-158-0x00007FF6249B0000-0x00007FF624D04000-memory.dmp

        memory/1844-142-0x00007FF749400000-0x00007FF749754000-memory.dmp

        memory/1844-10-0x00007FF749400000-0x00007FF749754000-memory.dmp

        memory/1844-67-0x00007FF749400000-0x00007FF749754000-memory.dmp

        memory/2028-41-0x00007FF7BE990000-0x00007FF7BECE4000-memory.dmp

        memory/2028-147-0x00007FF7BE990000-0x00007FF7BECE4000-memory.dmp

        memory/2028-104-0x00007FF7BE990000-0x00007FF7BECE4000-memory.dmp

        memory/2052-157-0x00007FF659070000-0x00007FF6593C4000-memory.dmp

        memory/2052-108-0x00007FF659070000-0x00007FF6593C4000-memory.dmp

        memory/2160-152-0x00007FF7604D0000-0x00007FF760824000-memory.dmp

        memory/2160-138-0x00007FF7604D0000-0x00007FF760824000-memory.dmp

        memory/2160-76-0x00007FF7604D0000-0x00007FF760824000-memory.dmp

        memory/2288-161-0x00007FF704CE0000-0x00007FF705034000-memory.dmp

        memory/2288-134-0x00007FF704CE0000-0x00007FF705034000-memory.dmp

        memory/2372-144-0x00007FF60F030000-0x00007FF60F384000-memory.dmp

        memory/2372-21-0x00007FF60F030000-0x00007FF60F384000-memory.dmp

        memory/2748-137-0x00007FF63A890000-0x00007FF63ABE4000-memory.dmp

        memory/2748-153-0x00007FF63A890000-0x00007FF63ABE4000-memory.dmp

        memory/2748-70-0x00007FF63A890000-0x00007FF63ABE4000-memory.dmp

        memory/2784-89-0x00007FF6A2FF0000-0x00007FF6A3344000-memory.dmp

        memory/2784-154-0x00007FF6A2FF0000-0x00007FF6A3344000-memory.dmp

        memory/3696-53-0x00007FF7A6960000-0x00007FF7A6CB4000-memory.dmp

        memory/3696-111-0x00007FF7A6960000-0x00007FF7A6CB4000-memory.dmp

        memory/3696-148-0x00007FF7A6960000-0x00007FF7A6CB4000-memory.dmp

        memory/3748-12-0x00007FF6FC800000-0x00007FF6FCB54000-memory.dmp

        memory/3748-73-0x00007FF6FC800000-0x00007FF6FCB54000-memory.dmp

        memory/3748-143-0x00007FF6FC800000-0x00007FF6FCB54000-memory.dmp

        memory/4020-135-0x00007FF717A40000-0x00007FF717D94000-memory.dmp

        memory/4020-162-0x00007FF717A40000-0x00007FF717D94000-memory.dmp

        memory/4244-32-0x00007FF6E64F0000-0x00007FF6E6844000-memory.dmp

        memory/4244-101-0x00007FF6E64F0000-0x00007FF6E6844000-memory.dmp

        memory/4244-146-0x00007FF6E64F0000-0x00007FF6E6844000-memory.dmp

        memory/4308-159-0x00007FF7D3E20000-0x00007FF7D4174000-memory.dmp

        memory/4308-112-0x00007FF7D3E20000-0x00007FF7D4174000-memory.dmp

        memory/4308-140-0x00007FF7D3E20000-0x00007FF7D4174000-memory.dmp

        memory/4316-151-0x00007FF6269E0000-0x00007FF626D34000-memory.dmp

        memory/4316-136-0x00007FF6269E0000-0x00007FF626D34000-memory.dmp

        memory/4316-63-0x00007FF6269E0000-0x00007FF626D34000-memory.dmp

        memory/4668-26-0x00007FF74DF80000-0x00007FF74E2D4000-memory.dmp

        memory/4668-145-0x00007FF74DF80000-0x00007FF74E2D4000-memory.dmp

        memory/4808-132-0x00007FF783980000-0x00007FF783CD4000-memory.dmp

        memory/4808-150-0x00007FF783980000-0x00007FF783CD4000-memory.dmp

        memory/4808-57-0x00007FF783980000-0x00007FF783CD4000-memory.dmp

        memory/4832-155-0x00007FF668A80000-0x00007FF668DD4000-memory.dmp

        memory/4832-92-0x00007FF668A80000-0x00007FF668DD4000-memory.dmp