Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 00:43

General

  • Target
    2024-05-27_1ecb9d0787b6b3d13e1e185bd91ee021_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240527-a3e18saa81
  • SHA256 b0e1026312a3cb1967f8d3f60c9e4dc24f6b524bc8492b992802c9d6f82894c4
  • 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_1ecb9d0787b6b3d13e1e185bd91ee021_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_1ecb9d0787b6b3d13e1e185bd91ee021_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Windows\System\QRihNNH.exe
      C:\Windows\System\QRihNNH.exe
      2⤵
      • Executes dropped EXE
      PID:456
    • C:\Windows\System\NdvxhwK.exe
      C:\Windows\System\NdvxhwK.exe
      2⤵
      • Executes dropped EXE
      PID:1552
    • C:\Windows\System\NIyGbzw.exe
      C:\Windows\System\NIyGbzw.exe
      2⤵
      • Executes dropped EXE
      PID:1520
    • C:\Windows\System\AgqKmYN.exe
      C:\Windows\System\AgqKmYN.exe
      2⤵
      • Executes dropped EXE
      PID:3484
    • C:\Windows\System\RqrRDEw.exe
      C:\Windows\System\RqrRDEw.exe
      2⤵
      • Executes dropped EXE
      PID:1216
    • C:\Windows\System\MZwqjnh.exe
      C:\Windows\System\MZwqjnh.exe
      2⤵
      • Executes dropped EXE
      PID:1728
    • C:\Windows\System\QWeSThU.exe
      C:\Windows\System\QWeSThU.exe
      2⤵
      • Executes dropped EXE
      PID:4728
    • C:\Windows\System\bTVkoqW.exe
      C:\Windows\System\bTVkoqW.exe
      2⤵
      • Executes dropped EXE
      PID:2976
    • C:\Windows\System\RQMEAOm.exe
      C:\Windows\System\RQMEAOm.exe
      2⤵
      • Executes dropped EXE
      PID:3056
    • C:\Windows\System\ZJzSQjM.exe
      C:\Windows\System\ZJzSQjM.exe
      2⤵
      • Executes dropped EXE
      PID:1972
    • C:\Windows\System\zPbValp.exe
      C:\Windows\System\zPbValp.exe
      2⤵
      • Executes dropped EXE
      PID:3064
    • C:\Windows\System\BOoVufM.exe
      C:\Windows\System\BOoVufM.exe
      2⤵
      • Executes dropped EXE
      PID:3472
    • C:\Windows\System\gaWgmPR.exe
      C:\Windows\System\gaWgmPR.exe
      2⤵
      • Executes dropped EXE
      PID:3280
    • C:\Windows\System\tLNtxLw.exe
      C:\Windows\System\tLNtxLw.exe
      2⤵
      • Executes dropped EXE
      PID:1068
    • C:\Windows\System\mKyesJC.exe
      C:\Windows\System\mKyesJC.exe
      2⤵
      • Executes dropped EXE
      PID:3464
    • C:\Windows\System\FEfjAva.exe
      C:\Windows\System\FEfjAva.exe
      2⤵
      • Executes dropped EXE
      PID:3092
    • C:\Windows\System\goSDlEq.exe
      C:\Windows\System\goSDlEq.exe
      2⤵
      • Executes dropped EXE
      PID:5012
    • C:\Windows\System\ybBjOLt.exe
      C:\Windows\System\ybBjOLt.exe
      2⤵
      • Executes dropped EXE
      PID:4400
    • C:\Windows\System\SImvjyk.exe
      C:\Windows\System\SImvjyk.exe
      2⤵
      • Executes dropped EXE
      PID:2792
    • C:\Windows\System\IUqFbUU.exe
      C:\Windows\System\IUqFbUU.exe
      2⤵
      • Executes dropped EXE
      PID:4172
    • C:\Windows\System\XksYcRi.exe
      C:\Windows\System\XksYcRi.exe
      2⤵
      • Executes dropped EXE
      PID:812

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AgqKmYN.exe

        • Path C:\Windows\System\AgqKmYN.exe
        • Size 5.9MB
        • SHA256 768fea3b3316aad3ad9c9457f4da9abd9f778b72eb11351f5487f9658b6f12a7
        • MD5 SHA1 SHA512 SSDEEP

        BOoVufM.exe

        • Path C:\Windows\System\BOoVufM.exe
        • Size 5.9MB
        • SHA256 2dce24a38aea7c5f12c13be329db08df2bff64b84e1c59c0540339aca0b04ab0
        • MD5 SHA1 SHA512 SSDEEP

        FEfjAva.exe

        • Path C:\Windows\System\FEfjAva.exe
        • Size 5.9MB
        • SHA256 93d6154457175435399bf87979a91526cbaf684a0a3e954eaf0df686b60482ba
        • MD5 SHA1 SHA512 SSDEEP

        IUqFbUU.exe

        • Path C:\Windows\System\IUqFbUU.exe
        • Size 5.9MB
        • SHA256 5eda9f0999c488a3e04c22302315bd14885f9e664634dc427c019ebe297a3e1c
        • MD5 SHA1 SHA512 SSDEEP

        MZwqjnh.exe

        • Path C:\Windows\System\MZwqjnh.exe
        • Size 5.9MB
        • SHA256 e4a361a1c107822bb1dd0fc22ec80f620a562f07a48a38752d4b9e6abcd39c33
        • MD5 SHA1 SHA512 SSDEEP

        NIyGbzw.exe

        • Path C:\Windows\System\NIyGbzw.exe
        • Size 5.9MB
        • SHA256 663fa36807696fe2ef848c359377f20af8f0d41d6b559bb5a049fe31af49b80a
        • MD5 SHA1 SHA512 SSDEEP

        NdvxhwK.exe

        • Path C:\Windows\System\NdvxhwK.exe
        • Size 5.9MB
        • SHA256 40001884ffda7a70dfb80940708dcd3bc5a24167942115dad8d9f8c1a4ecad46
        • MD5 SHA1 SHA512 SSDEEP

        QRihNNH.exe

        • Path C:\Windows\System\QRihNNH.exe
        • Size 5.9MB
        • SHA256 52ed65839356596b9cf32eea1ca418e994b1a2680b842f3262ab3230e83ffc5a
        • MD5 SHA1 SHA512 SSDEEP

        QWeSThU.exe

        • Path C:\Windows\System\QWeSThU.exe
        • Size 5.9MB
        • SHA256 beaff7ed639ef690779e17dc8fb03d7b2f84735d3fbaa692cddec16ba79929e4
        • MD5 SHA1 SHA512 SSDEEP

        RQMEAOm.exe

        • Path C:\Windows\System\RQMEAOm.exe
        • Size 5.9MB
        • SHA256 95051e4e5217b9c30f20ac1650bc17ca1d31a850b4a248b688e81f38a91672f7
        • MD5 SHA1 SHA512 SSDEEP

        RqrRDEw.exe

        • Path C:\Windows\System\RqrRDEw.exe
        • Size 5.9MB
        • SHA256 deded8699ed4640d3ecb64db68ca971b70c7ac7711d197d3add279a4beff9ae3
        • MD5 SHA1 SHA512 SSDEEP

        SImvjyk.exe

        • Path C:\Windows\System\SImvjyk.exe
        • Size 5.9MB
        • SHA256 73c9d4275e31f65d9e2aa597f4dee6fd644d3d5f1046bcac53ffde9ad86be54e
        • MD5 SHA1 SHA512 SSDEEP

        XksYcRi.exe

        • Path C:\Windows\System\XksYcRi.exe
        • Size 5.9MB
        • SHA256 527d9dde0d4fe9fabb63b2440699e26bbfebb313269605414ffd5a220d567449
        • MD5 SHA1 SHA512 SSDEEP

        ZJzSQjM.exe

        • Path C:\Windows\System\ZJzSQjM.exe
        • Size 5.9MB
        • SHA256 5fe08ea3c10ee593bc65427a0b8077e3b155450a14552234f3b676b3f2d98c15
        • MD5 SHA1 SHA512 SSDEEP

        bTVkoqW.exe

        • Path C:\Windows\System\bTVkoqW.exe
        • Size 5.9MB
        • SHA256 3c5a041f809391d4b382ac6ffd200dc5b5720d0b847ca2166fada3dd56bdc138
        • MD5 SHA1 SHA512 SSDEEP

        gaWgmPR.exe

        • Path C:\Windows\System\gaWgmPR.exe
        • Size 5.9MB
        • SHA256 47ff08f52cb58081d9db805e2be7642c6ad3aab221d4587f29e1d023886293dc
        • MD5 SHA1 SHA512 SSDEEP

        goSDlEq.exe

        • Path C:\Windows\System\goSDlEq.exe
        • Size 5.9MB
        • SHA256 b43c869a0089cd7286835448491452963a186f6b90b9887d1fe6d100925c8536
        • MD5 SHA1 SHA512 SSDEEP

        mKyesJC.exe

        • Path C:\Windows\System\mKyesJC.exe
        • Size 5.9MB
        • SHA256 abe62c0fc6735ab40a8570b2a5f54943fada5fdd909772c8bf9581627a073d59
        • MD5 SHA1 SHA512 SSDEEP

        tLNtxLw.exe

        • Path C:\Windows\System\tLNtxLw.exe
        • Size 5.9MB
        • SHA256 015611f44b4bf952ddc4dc0a21a8ac24438def5cd6221b619d2ce68515f8b8eb
        • MD5 SHA1 SHA512 SSDEEP

        ybBjOLt.exe

        • Path C:\Windows\System\ybBjOLt.exe
        • Size 5.9MB
        • SHA256 9b1ff68c2088758ec33acadea98268a0e69dea294b8683efebed6ce52dde2bcb
        • MD5 SHA1 SHA512 SSDEEP

        zPbValp.exe

        • Path C:\Windows\System\zPbValp.exe
        • Size 5.9MB
        • SHA256 b62a777903d65dbd576e0bbe8ccb6d83663343c6edbf8548f4ecde3663efe846
        • MD5 SHA1 SHA512 SSDEEP

        memory/456-140-0x00007FF7A9D90000-0x00007FF7AA0E4000-memory.dmp

        memory/456-8-0x00007FF7A9D90000-0x00007FF7AA0E4000-memory.dmp

        memory/456-88-0x00007FF7A9D90000-0x00007FF7AA0E4000-memory.dmp

        memory/812-132-0x00007FF7021C0000-0x00007FF702514000-memory.dmp

        memory/812-160-0x00007FF7021C0000-0x00007FF702514000-memory.dmp

        memory/1068-94-0x00007FF67CC50000-0x00007FF67CFA4000-memory.dmp

        memory/1068-153-0x00007FF67CC50000-0x00007FF67CFA4000-memory.dmp

        memory/1216-103-0x00007FF7AFF90000-0x00007FF7B02E4000-memory.dmp

        memory/1216-27-0x00007FF7AFF90000-0x00007FF7B02E4000-memory.dmp

        memory/1216-144-0x00007FF7AFF90000-0x00007FF7B02E4000-memory.dmp

        memory/1520-26-0x00007FF78A410000-0x00007FF78A764000-memory.dmp

        memory/1520-142-0x00007FF78A410000-0x00007FF78A764000-memory.dmp

        memory/1520-95-0x00007FF78A410000-0x00007FF78A764000-memory.dmp

        memory/1552-141-0x00007FF7E9240000-0x00007FF7E9594000-memory.dmp

        memory/1552-15-0x00007FF7E9240000-0x00007FF7E9594000-memory.dmp

        memory/1552-90-0x00007FF7E9240000-0x00007FF7E9594000-memory.dmp

        memory/1728-134-0x00007FF74CB40000-0x00007FF74CE94000-memory.dmp

        memory/1728-54-0x00007FF74CB40000-0x00007FF74CE94000-memory.dmp

        memory/1728-147-0x00007FF74CB40000-0x00007FF74CE94000-memory.dmp

        memory/1868-80-0x00007FF7AB320000-0x00007FF7AB674000-memory.dmp

        memory/1868-1-0x0000015A48320000-0x0000015A48330000-memory.dmp

        memory/1868-0-0x00007FF7AB320000-0x00007FF7AB674000-memory.dmp

        memory/1972-137-0x00007FF7F33B0000-0x00007FF7F3704000-memory.dmp

        memory/1972-60-0x00007FF7F33B0000-0x00007FF7F3704000-memory.dmp

        memory/1972-149-0x00007FF7F33B0000-0x00007FF7F3704000-memory.dmp

        memory/2792-156-0x00007FF6C1DA0000-0x00007FF6C20F4000-memory.dmp

        memory/2792-130-0x00007FF6C1DA0000-0x00007FF6C20F4000-memory.dmp

        memory/2976-146-0x00007FF7FE460000-0x00007FF7FE7B4000-memory.dmp

        memory/2976-133-0x00007FF7FE460000-0x00007FF7FE7B4000-memory.dmp

        memory/2976-50-0x00007FF7FE460000-0x00007FF7FE7B4000-memory.dmp

        memory/3056-148-0x00007FF6D9410000-0x00007FF6D9764000-memory.dmp

        memory/3056-136-0x00007FF6D9410000-0x00007FF6D9764000-memory.dmp

        memory/3056-59-0x00007FF6D9410000-0x00007FF6D9764000-memory.dmp

        memory/3064-150-0x00007FF786490000-0x00007FF7867E4000-memory.dmp

        memory/3064-68-0x00007FF786490000-0x00007FF7867E4000-memory.dmp

        memory/3092-109-0x00007FF7DB280000-0x00007FF7DB5D4000-memory.dmp

        memory/3092-154-0x00007FF7DB280000-0x00007FF7DB5D4000-memory.dmp

        memory/3280-83-0x00007FF645F10000-0x00007FF646264000-memory.dmp

        memory/3280-152-0x00007FF645F10000-0x00007FF646264000-memory.dmp

        memory/3464-139-0x00007FF6EF4C0000-0x00007FF6EF814000-memory.dmp

        memory/3464-96-0x00007FF6EF4C0000-0x00007FF6EF814000-memory.dmp

        memory/3464-155-0x00007FF6EF4C0000-0x00007FF6EF814000-memory.dmp

        memory/3472-138-0x00007FF632550000-0x00007FF6328A4000-memory.dmp

        memory/3472-74-0x00007FF632550000-0x00007FF6328A4000-memory.dmp

        memory/3472-151-0x00007FF632550000-0x00007FF6328A4000-memory.dmp

        memory/3484-143-0x00007FF7B4F20000-0x00007FF7B5274000-memory.dmp

        memory/3484-33-0x00007FF7B4F20000-0x00007FF7B5274000-memory.dmp

        memory/4172-131-0x00007FF7169D0000-0x00007FF716D24000-memory.dmp

        memory/4172-159-0x00007FF7169D0000-0x00007FF716D24000-memory.dmp

        memory/4400-157-0x00007FF7BEE80000-0x00007FF7BF1D4000-memory.dmp

        memory/4400-135-0x00007FF7BEE80000-0x00007FF7BF1D4000-memory.dmp

        memory/4728-46-0x00007FF7DDAA0000-0x00007FF7DDDF4000-memory.dmp

        memory/4728-110-0x00007FF7DDAA0000-0x00007FF7DDDF4000-memory.dmp

        memory/4728-145-0x00007FF7DDAA0000-0x00007FF7DDDF4000-memory.dmp

        memory/5012-129-0x00007FF6122E0000-0x00007FF612634000-memory.dmp

        memory/5012-158-0x00007FF6122E0000-0x00007FF612634000-memory.dmp