Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 13:24

General

  • Target
    2024-05-25_bfad8857d2186b5cb1dd6039864be94a_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240525-qnk7psea4y
  • SHA256 e4f9ff88f4511e88e1db77fb12581dcd80993c63e613c42bc352b449eb723e1a
  • 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\2024-05-25_bfad8857d2186b5cb1dd6039864be94a_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_bfad8857d2186b5cb1dd6039864be94a_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Windows\System\EGvnXmz.exe
      C:\Windows\System\EGvnXmz.exe
      2⤵
      • Executes dropped EXE
      PID:4720
    • C:\Windows\System\IDaklQX.exe
      C:\Windows\System\IDaklQX.exe
      2⤵
      • Executes dropped EXE
      PID:3644
    • C:\Windows\System\jjJSvgM.exe
      C:\Windows\System\jjJSvgM.exe
      2⤵
      • Executes dropped EXE
      PID:4624
    • C:\Windows\System\UbMLMko.exe
      C:\Windows\System\UbMLMko.exe
      2⤵
      • Executes dropped EXE
      PID:4124
    • C:\Windows\System\SZsYXaZ.exe
      C:\Windows\System\SZsYXaZ.exe
      2⤵
      • Executes dropped EXE
      PID:4028
    • C:\Windows\System\OzHOmCP.exe
      C:\Windows\System\OzHOmCP.exe
      2⤵
      • Executes dropped EXE
      PID:1180
    • C:\Windows\System\lHfUNvT.exe
      C:\Windows\System\lHfUNvT.exe
      2⤵
      • Executes dropped EXE
      PID:3376
    • C:\Windows\System\plOUtHv.exe
      C:\Windows\System\plOUtHv.exe
      2⤵
      • Executes dropped EXE
      PID:2252
    • C:\Windows\System\iltawKi.exe
      C:\Windows\System\iltawKi.exe
      2⤵
      • Executes dropped EXE
      PID:3412
    • C:\Windows\System\QjLpPLO.exe
      C:\Windows\System\QjLpPLO.exe
      2⤵
      • Executes dropped EXE
      PID:1572
    • C:\Windows\System\PdxVAfx.exe
      C:\Windows\System\PdxVAfx.exe
      2⤵
      • Executes dropped EXE
      PID:2808
    • C:\Windows\System\oteqolE.exe
      C:\Windows\System\oteqolE.exe
      2⤵
      • Executes dropped EXE
      PID:2020
    • C:\Windows\System\OXkVuOI.exe
      C:\Windows\System\OXkVuOI.exe
      2⤵
      • Executes dropped EXE
      PID:1052
    • C:\Windows\System\ULlBPmj.exe
      C:\Windows\System\ULlBPmj.exe
      2⤵
      • Executes dropped EXE
      PID:1804
    • C:\Windows\System\DVwVccN.exe
      C:\Windows\System\DVwVccN.exe
      2⤵
      • Executes dropped EXE
      PID:2288
    • C:\Windows\System\oFfKTDD.exe
      C:\Windows\System\oFfKTDD.exe
      2⤵
      • Executes dropped EXE
      PID:2724
    • C:\Windows\System\RyTnkFU.exe
      C:\Windows\System\RyTnkFU.exe
      2⤵
      • Executes dropped EXE
      PID:3788
    • C:\Windows\System\vZJpxtu.exe
      C:\Windows\System\vZJpxtu.exe
      2⤵
      • Executes dropped EXE
      PID:3836
    • C:\Windows\System\SKTvQFt.exe
      C:\Windows\System\SKTvQFt.exe
      2⤵
      • Executes dropped EXE
      PID:2804
    • C:\Windows\System\LTbxVVQ.exe
      C:\Windows\System\LTbxVVQ.exe
      2⤵
      • Executes dropped EXE
      PID:1236
    • C:\Windows\System\VBDlWLK.exe
      C:\Windows\System\VBDlWLK.exe
      2⤵
      • Executes dropped EXE
      PID:5096

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DVwVccN.exe

        • Path C:\Windows\System\DVwVccN.exe
        • Size 5.9MB
        • SHA256 0d4bb4e48fff1a64ee5b3b7fd4076fb24795535b44518b4e9559f1c51c7358a6
        • MD5 SHA1 SHA512 SSDEEP

        EGvnXmz.exe

        • Path C:\Windows\System\EGvnXmz.exe
        • Size 5.9MB
        • SHA256 f08a5adec6de8bf585b8ef0e8d60cdc91eeceeb8659ef78c9d2efa3b6eb61418
        • MD5 SHA1 SHA512 SSDEEP

        IDaklQX.exe

        • Path C:\Windows\System\IDaklQX.exe
        • Size 5.9MB
        • SHA256 29b14fd743825476b4637a57d199f4d15149046366268c84b514bdab54817d10
        • MD5 SHA1 SHA512 SSDEEP

        LTbxVVQ.exe

        • Path C:\Windows\System\LTbxVVQ.exe
        • Size 5.9MB
        • SHA256 a793d8b10c18f3f3cde10c1d6b377d0a60c9668e1616cacd6f3bce750d64d2fe
        • MD5 SHA1 SHA512 SSDEEP

        OXkVuOI.exe

        • Path C:\Windows\System\OXkVuOI.exe
        • Size 5.9MB
        • SHA256 a39c0b2f8c3db7ee8d7bcbd2e548303807f0ffb5b58186b49cf6552f74758a79
        • MD5 SHA1 SHA512 SSDEEP

        OzHOmCP.exe

        • Path C:\Windows\System\OzHOmCP.exe
        • Size 5.9MB
        • SHA256 bf0237287b481b20e4369cf1c54e8698b97e5ab4901930e95f686f45b33cef11
        • MD5 SHA1 SHA512 SSDEEP

        PdxVAfx.exe

        • Path C:\Windows\System\PdxVAfx.exe
        • Size 5.9MB
        • SHA256 1aabcd0b643ba6e7a14b41db2876ec79fff37ecf6ab34de40ccbb2143c11b22b
        • MD5 SHA1 SHA512 SSDEEP

        QjLpPLO.exe

        • Path C:\Windows\System\QjLpPLO.exe
        • Size 5.9MB
        • SHA256 c0c8b0b66acffc81fffe2eee4ddbae764760c18fab15994e0e6676e732464db4
        • MD5 SHA1 SHA512 SSDEEP

        RyTnkFU.exe

        • Path C:\Windows\System\RyTnkFU.exe
        • Size 5.9MB
        • SHA256 dbc8c594020cf6e123726845e9d7b4c9681977b3dc2ddcc5b792a03e63b23cdb
        • MD5 SHA1 SHA512 SSDEEP

        SKTvQFt.exe

        • Path C:\Windows\System\SKTvQFt.exe
        • Size 5.9MB
        • SHA256 d80fdae989097c0984e2e528cd859c9dd01cc97ae95b0dd476683a854dee958c
        • MD5 SHA1 SHA512 SSDEEP

        SZsYXaZ.exe

        • Path C:\Windows\System\SZsYXaZ.exe
        • Size 5.9MB
        • SHA256 e45d22099baa813216e1ee1008ea6c0c56befe7e3d807020be4e309711ff5621
        • MD5 SHA1 SHA512 SSDEEP

        ULlBPmj.exe

        • Path C:\Windows\System\ULlBPmj.exe
        • Size 5.9MB
        • SHA256 f5432ec6b5724bf886d5f55f6fbd0689546ada329dbe708b58d7243cc26beff8
        • MD5 SHA1 SHA512 SSDEEP

        UbMLMko.exe

        • Path C:\Windows\System\UbMLMko.exe
        • Size 5.9MB
        • SHA256 2e80ed5cc86c287616183ee22a389d07b7cae9851d45b9e43856fe66e147ecba
        • MD5 SHA1 SHA512 SSDEEP

        VBDlWLK.exe

        • Path C:\Windows\System\VBDlWLK.exe
        • Size 5.9MB
        • SHA256 737eeb3b8041588d510726ef0d893d5a97518675b1b5b8800d0ddc1460809846
        • MD5 SHA1 SHA512 SSDEEP

        iltawKi.exe

        • Path C:\Windows\System\iltawKi.exe
        • Size 5.9MB
        • SHA256 85fd0fa38511502332e207b02cda28c4aafbbbebed8b4aea0a7cf8ff138befc3
        • MD5 SHA1 SHA512 SSDEEP

        jjJSvgM.exe

        • Path C:\Windows\System\jjJSvgM.exe
        • Size 5.9MB
        • SHA256 442f8a478b7c1015685f75341b8ce3fa3bed069b9bc5601f3a55be881f67bd79
        • MD5 SHA1 SHA512 SSDEEP

        lHfUNvT.exe

        • Path C:\Windows\System\lHfUNvT.exe
        • Size 5.9MB
        • SHA256 8f25f91cba5afd7d54b9f25c6a82eabb7c01a52fbadf123bd4f248b17f7b9f60
        • MD5 SHA1 SHA512 SSDEEP

        oFfKTDD.exe

        • Path C:\Windows\System\oFfKTDD.exe
        • Size 5.9MB
        • SHA256 757a4861be45725d1caabeab87c77e54b52784118d977a1b7bd9bd5c7dff6a19
        • MD5 SHA1 SHA512 SSDEEP

        oteqolE.exe

        • Path C:\Windows\System\oteqolE.exe
        • Size 5.9MB
        • SHA256 82443216599a91998801f9dfaad97f0450c794fc2692f787e9c4267adba7111f
        • MD5 SHA1 SHA512 SSDEEP

        plOUtHv.exe

        • Path C:\Windows\System\plOUtHv.exe
        • Size 5.9MB
        • SHA256 9ad3bd4a669602e95ec68b59793b4f8efbb0026c7d20cbed7a04d334a7ca5197
        • MD5 SHA1 SHA512 SSDEEP

        vZJpxtu.exe

        • Path C:\Windows\System\vZJpxtu.exe
        • Size 5.9MB
        • SHA256 f6714bf0ffa1ded93884524ed8c41faaa10bf240efa7eb8fb53f9534a7b23e14
        • MD5 SHA1 SHA512 SSDEEP

        memory/220-0-0x00007FF65A1F0000-0x00007FF65A544000-memory.dmp

        memory/220-62-0x00007FF65A1F0000-0x00007FF65A544000-memory.dmp

        memory/220-1-0x000001995D5D0000-0x000001995D5E0000-memory.dmp

        memory/1052-90-0x00007FF79A380000-0x00007FF79A6D4000-memory.dmp

        memory/1052-150-0x00007FF79A380000-0x00007FF79A6D4000-memory.dmp

        memory/1180-132-0x00007FF61D520000-0x00007FF61D874000-memory.dmp

        memory/1180-36-0x00007FF61D520000-0x00007FF61D874000-memory.dmp

        memory/1180-143-0x00007FF61D520000-0x00007FF61D874000-memory.dmp

        memory/1236-130-0x00007FF7C3EB0000-0x00007FF7C4204000-memory.dmp

        memory/1236-158-0x00007FF7C3EB0000-0x00007FF7C4204000-memory.dmp

        memory/1572-63-0x00007FF6FCF10000-0x00007FF6FD264000-memory.dmp

        memory/1572-146-0x00007FF6FCF10000-0x00007FF6FD264000-memory.dmp

        memory/1804-92-0x00007FF7E62E0000-0x00007FF7E6634000-memory.dmp

        memory/1804-151-0x00007FF7E62E0000-0x00007FF7E6634000-memory.dmp

        memory/2020-75-0x00007FF7E5140000-0x00007FF7E5494000-memory.dmp

        memory/2020-149-0x00007FF7E5140000-0x00007FF7E5494000-memory.dmp

        memory/2020-139-0x00007FF7E5140000-0x00007FF7E5494000-memory.dmp

        memory/2252-47-0x00007FF7D2ED0000-0x00007FF7D3224000-memory.dmp

        memory/2252-144-0x00007FF7D2ED0000-0x00007FF7D3224000-memory.dmp

        memory/2252-134-0x00007FF7D2ED0000-0x00007FF7D3224000-memory.dmp

        memory/2288-94-0x00007FF67C950000-0x00007FF67CCA4000-memory.dmp

        memory/2288-147-0x00007FF67C950000-0x00007FF67CCA4000-memory.dmp

        memory/2288-152-0x00007FF67C950000-0x00007FF67CCA4000-memory.dmp

        memory/2724-133-0x00007FF6346A0000-0x00007FF6349F4000-memory.dmp

        memory/2724-153-0x00007FF6346A0000-0x00007FF6349F4000-memory.dmp

        memory/2804-129-0x00007FF694C20000-0x00007FF694F74000-memory.dmp

        memory/2804-156-0x00007FF694C20000-0x00007FF694F74000-memory.dmp

        memory/2808-70-0x00007FF7C34B0000-0x00007FF7C3804000-memory.dmp

        memory/2808-148-0x00007FF7C34B0000-0x00007FF7C3804000-memory.dmp

        memory/2808-136-0x00007FF7C34B0000-0x00007FF7C3804000-memory.dmp

        memory/3376-44-0x00007FF7A0D00000-0x00007FF7A1054000-memory.dmp

        memory/3376-142-0x00007FF7A0D00000-0x00007FF7A1054000-memory.dmp

        memory/3412-56-0x00007FF6BC4C0000-0x00007FF6BC814000-memory.dmp

        memory/3412-145-0x00007FF6BC4C0000-0x00007FF6BC814000-memory.dmp

        memory/3644-137-0x00007FF704CA0000-0x00007FF704FF4000-memory.dmp

        memory/3644-74-0x00007FF704CA0000-0x00007FF704FF4000-memory.dmp

        memory/3644-14-0x00007FF704CA0000-0x00007FF704FF4000-memory.dmp

        memory/3788-127-0x00007FF799FD0000-0x00007FF79A324000-memory.dmp

        memory/3788-154-0x00007FF799FD0000-0x00007FF79A324000-memory.dmp

        memory/3836-155-0x00007FF653CB0000-0x00007FF654004000-memory.dmp

        memory/3836-128-0x00007FF653CB0000-0x00007FF654004000-memory.dmp

        memory/4028-141-0x00007FF667C80000-0x00007FF667FD4000-memory.dmp

        memory/4028-32-0x00007FF667C80000-0x00007FF667FD4000-memory.dmp

        memory/4028-95-0x00007FF667C80000-0x00007FF667FD4000-memory.dmp

        memory/4124-140-0x00007FF6B3360000-0x00007FF6B36B4000-memory.dmp

        memory/4124-93-0x00007FF6B3360000-0x00007FF6B36B4000-memory.dmp

        memory/4124-26-0x00007FF6B3360000-0x00007FF6B36B4000-memory.dmp

        memory/4624-20-0x00007FF62BE40000-0x00007FF62C194000-memory.dmp

        memory/4624-138-0x00007FF62BE40000-0x00007FF62C194000-memory.dmp

        memory/4720-135-0x00007FF6E7DF0000-0x00007FF6E8144000-memory.dmp

        memory/4720-67-0x00007FF6E7DF0000-0x00007FF6E8144000-memory.dmp

        memory/4720-8-0x00007FF6E7DF0000-0x00007FF6E8144000-memory.dmp

        memory/5096-131-0x00007FF789EA0000-0x00007FF78A1F4000-memory.dmp

        memory/5096-157-0x00007FF789EA0000-0x00007FF78A1F4000-memory.dmp