Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 20:28

General

  • Target
    2024-05-31_d0e80d1a3de846dfeba8e306117bbba1_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240531-y82desda49
  • SHA256 b91999138cd3ffc2f0be3cffbc1e3ec03e753cbd4cf36ef8d8f3b590e3a69e67
  • 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\2024-05-31_d0e80d1a3de846dfeba8e306117bbba1_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_d0e80d1a3de846dfeba8e306117bbba1_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Windows\System\XrGpkzS.exe
      C:\Windows\System\XrGpkzS.exe
      2⤵
      • Executes dropped EXE
      PID:2948
    • C:\Windows\System\biTZIfq.exe
      C:\Windows\System\biTZIfq.exe
      2⤵
      • Executes dropped EXE
      PID:5020
    • C:\Windows\System\LsbwDrB.exe
      C:\Windows\System\LsbwDrB.exe
      2⤵
      • Executes dropped EXE
      PID:3492
    • C:\Windows\System\kgWOEvz.exe
      C:\Windows\System\kgWOEvz.exe
      2⤵
      • Executes dropped EXE
      PID:216
    • C:\Windows\System\pNvRkpa.exe
      C:\Windows\System\pNvRkpa.exe
      2⤵
      • Executes dropped EXE
      PID:2888
    • C:\Windows\System\kmZbQdZ.exe
      C:\Windows\System\kmZbQdZ.exe
      2⤵
      • Executes dropped EXE
      PID:808
    • C:\Windows\System\LWlUQSm.exe
      C:\Windows\System\LWlUQSm.exe
      2⤵
      • Executes dropped EXE
      PID:1080
    • C:\Windows\System\DTcnDma.exe
      C:\Windows\System\DTcnDma.exe
      2⤵
      • Executes dropped EXE
      PID:3168
    • C:\Windows\System\nAXVsbi.exe
      C:\Windows\System\nAXVsbi.exe
      2⤵
      • Executes dropped EXE
      PID:3680
    • C:\Windows\System\wvPXhQb.exe
      C:\Windows\System\wvPXhQb.exe
      2⤵
      • Executes dropped EXE
      PID:5080
    • C:\Windows\System\foIAjUd.exe
      C:\Windows\System\foIAjUd.exe
      2⤵
      • Executes dropped EXE
      PID:844
    • C:\Windows\System\UMqNaQR.exe
      C:\Windows\System\UMqNaQR.exe
      2⤵
      • Executes dropped EXE
      PID:4480
    • C:\Windows\System\rCQrhkD.exe
      C:\Windows\System\rCQrhkD.exe
      2⤵
      • Executes dropped EXE
      PID:4900
    • C:\Windows\System\JzAXloc.exe
      C:\Windows\System\JzAXloc.exe
      2⤵
      • Executes dropped EXE
      PID:3596
    • C:\Windows\System\UNmQcMq.exe
      C:\Windows\System\UNmQcMq.exe
      2⤵
      • Executes dropped EXE
      PID:1180
    • C:\Windows\System\XkvVGau.exe
      C:\Windows\System\XkvVGau.exe
      2⤵
      • Executes dropped EXE
      PID:1872
    • C:\Windows\System\yzaQdKQ.exe
      C:\Windows\System\yzaQdKQ.exe
      2⤵
      • Executes dropped EXE
      PID:1424
    • C:\Windows\System\vuSwRvd.exe
      C:\Windows\System\vuSwRvd.exe
      2⤵
      • Executes dropped EXE
      PID:3512
    • C:\Windows\System\OUvcRvr.exe
      C:\Windows\System\OUvcRvr.exe
      2⤵
      • Executes dropped EXE
      PID:4080
    • C:\Windows\System\NiGGyBY.exe
      C:\Windows\System\NiGGyBY.exe
      2⤵
      • Executes dropped EXE
      PID:3760
    • C:\Windows\System\XqEVTuD.exe
      C:\Windows\System\XqEVTuD.exe
      2⤵
      • Executes dropped EXE
      PID:1276

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DTcnDma.exe

        • Path C:\Windows\System\DTcnDma.exe
        • Size 5.9MB
        • SHA256 f35b7f5be398f1d5d229df4758d0c35015969807d1bd62b44499d60edfdf9735
        • MD5 SHA1 SHA512 SSDEEP

        JzAXloc.exe

        • Path C:\Windows\System\JzAXloc.exe
        • Size 5.9MB
        • SHA256 bf50694c1cbdf473b95d606e69874c864213f2eb5d22bef2be4d8c7c1c6e8fac
        • MD5 SHA1 SHA512 SSDEEP

        LWlUQSm.exe

        • Path C:\Windows\System\LWlUQSm.exe
        • Size 5.9MB
        • SHA256 780798fd278ed49993c81141b318171680c73db1f545d87120e948e8579671ad
        • MD5 SHA1 SHA512 SSDEEP

        LsbwDrB.exe

        • Path C:\Windows\System\LsbwDrB.exe
        • Size 5.9MB
        • SHA256 8ac39694c21799c925a08efd4d4075928f66c4321ba51cd4e6cb04460f789621
        • MD5 SHA1 SHA512 SSDEEP

        NiGGyBY.exe

        • Path C:\Windows\System\NiGGyBY.exe
        • Size 5.9MB
        • SHA256 4d5c3122e3133b437c4ba4be2d2dd100d788c0d05b2ec0f678bd5b306f9080ed
        • MD5 SHA1 SHA512 SSDEEP

        OUvcRvr.exe

        • Path C:\Windows\System\OUvcRvr.exe
        • Size 5.9MB
        • SHA256 e1e6370767850686d65fc0cbe657fb5dd8d356934b41b2f798d0dd62241fa3b1
        • MD5 SHA1 SHA512 SSDEEP

        UMqNaQR.exe

        • Path C:\Windows\System\UMqNaQR.exe
        • Size 5.9MB
        • SHA256 e7ad5e9bd2c6fee040ab377f956d62815b3e338bf0e1a11d3287965dae4f0615
        • MD5 SHA1 SHA512 SSDEEP

        UNmQcMq.exe

        • Path C:\Windows\System\UNmQcMq.exe
        • Size 5.9MB
        • SHA256 29aef30b0ae231cb97f0053191830efd8573d3ed738409dc6bd6c37efede9d7b
        • MD5 SHA1 SHA512 SSDEEP

        XkvVGau.exe

        • Path C:\Windows\System\XkvVGau.exe
        • Size 5.9MB
        • SHA256 d2cd2cecd2edc5b6a4d64b386ff4f26209d4892abbde3e9d52aa68f4c3f657cf
        • MD5 SHA1 SHA512 SSDEEP

        XqEVTuD.exe

        • Path C:\Windows\System\XqEVTuD.exe
        • Size 5.9MB
        • SHA256 21cea4d16cfd40b02966cde2736a7d84c28e9ce58393897db36f83cc906a7e14
        • MD5 SHA1 SHA512 SSDEEP

        XrGpkzS.exe

        • Path C:\Windows\System\XrGpkzS.exe
        • Size 5.9MB
        • SHA256 6c462c1e2b7b8b7f4369fbff709b4a8efee578d5cecaef94a68906f883d19f41
        • MD5 SHA1 SHA512 SSDEEP

        biTZIfq.exe

        • Path C:\Windows\System\biTZIfq.exe
        • Size 5.9MB
        • SHA256 ca9198b6deffc9f4921bfd9efc40d9adea0a9539d094b67c488fb1c5e797bf1c
        • MD5 SHA1 SHA512 SSDEEP

        foIAjUd.exe

        • Path C:\Windows\System\foIAjUd.exe
        • Size 5.9MB
        • SHA256 cc74191cdba1d1203a6de67dbe7a3f39c17aa9f0caba766a2271b5134d7cdbaa
        • MD5 SHA1 SHA512 SSDEEP

        kgWOEvz.exe

        • Path C:\Windows\System\kgWOEvz.exe
        • Size 5.9MB
        • SHA256 9a8c057ed8552d5020e21547a2557c8522db9bed3949f7c1a8bfc0c328f478f3
        • MD5 SHA1 SHA512 SSDEEP

        kmZbQdZ.exe

        • Path C:\Windows\System\kmZbQdZ.exe
        • Size 5.9MB
        • SHA256 6d68654b606b24a908395c483d3b1989d72c198cacd29e1f3470d670927d8c11
        • MD5 SHA1 SHA512 SSDEEP

        nAXVsbi.exe

        • Path C:\Windows\System\nAXVsbi.exe
        • Size 5.9MB
        • SHA256 c8f24e937f3dbcab41c8d2a9acbbe57b8563525314c22de846d8f47107eedd97
        • MD5 SHA1 SHA512 SSDEEP

        pNvRkpa.exe

        • Path C:\Windows\System\pNvRkpa.exe
        • Size 5.9MB
        • SHA256 c87eee2d6b64051446b438da89287493ce423e96b892940c89e2c0ff0696eca7
        • MD5 SHA1 SHA512 SSDEEP

        rCQrhkD.exe

        • Path C:\Windows\System\rCQrhkD.exe
        • Size 5.9MB
        • SHA256 c4efc2a550f175d9cf0ab404d8ae876257f699929283c625b467defff3da0dd2
        • MD5 SHA1 SHA512 SSDEEP

        vuSwRvd.exe

        • Path C:\Windows\System\vuSwRvd.exe
        • Size 5.9MB
        • SHA256 f6d7798c54f81119e89ec3ae6bc0fa02b063911c3646f990bcc37c7f1fea17db
        • MD5 SHA1 SHA512 SSDEEP

        wvPXhQb.exe

        • Path C:\Windows\System\wvPXhQb.exe
        • Size 5.9MB
        • SHA256 318c025a2d92676a1fa603cae8d07b8e063d02dd7522b2566cfc6bbb1b2a226e
        • MD5 SHA1 SHA512 SSDEEP

        yzaQdKQ.exe

        • Path C:\Windows\System\yzaQdKQ.exe
        • Size 5.9MB
        • SHA256 5f0853d7f5f9660f50b24ae3d01ca2101fd7fc53eeb06813ce5979a4bb57c430
        • MD5 SHA1 SHA512 SSDEEP

        memory/216-26-0x00007FF7EDE70000-0x00007FF7EE1C4000-memory.dmp

        memory/216-141-0x00007FF7EDE70000-0x00007FF7EE1C4000-memory.dmp

        memory/808-40-0x00007FF6CDC90000-0x00007FF6CDFE4000-memory.dmp

        memory/808-143-0x00007FF6CDC90000-0x00007FF6CDFE4000-memory.dmp

        memory/844-148-0x00007FF61C200000-0x00007FF61C554000-memory.dmp

        memory/844-75-0x00007FF61C200000-0x00007FF61C554000-memory.dmp

        memory/1080-144-0x00007FF7A9990000-0x00007FF7A9CE4000-memory.dmp

        memory/1080-46-0x00007FF7A9990000-0x00007FF7A9CE4000-memory.dmp

        memory/1180-95-0x00007FF6A3360000-0x00007FF6A36B4000-memory.dmp

        memory/1180-136-0x00007FF6A3360000-0x00007FF6A36B4000-memory.dmp

        memory/1180-152-0x00007FF6A3360000-0x00007FF6A36B4000-memory.dmp

        memory/1276-130-0x00007FF6938B0000-0x00007FF693C04000-memory.dmp

        memory/1276-137-0x00007FF6938B0000-0x00007FF693C04000-memory.dmp

        memory/1276-158-0x00007FF6938B0000-0x00007FF693C04000-memory.dmp

        memory/1424-112-0x00007FF621DA0000-0x00007FF6220F4000-memory.dmp

        memory/1424-154-0x00007FF621DA0000-0x00007FF6220F4000-memory.dmp

        memory/1624-0-0x00007FF6063C0000-0x00007FF606714000-memory.dmp

        memory/1624-62-0x00007FF6063C0000-0x00007FF606714000-memory.dmp

        memory/1624-1-0x0000021D6A740000-0x0000021D6A750000-memory.dmp

        memory/1872-153-0x00007FF7930C0000-0x00007FF793414000-memory.dmp

        memory/1872-102-0x00007FF7930C0000-0x00007FF793414000-memory.dmp

        memory/2888-142-0x00007FF6230E0000-0x00007FF623434000-memory.dmp

        memory/2888-34-0x00007FF6230E0000-0x00007FF623434000-memory.dmp

        memory/2948-138-0x00007FF765AD0000-0x00007FF765E24000-memory.dmp

        memory/2948-72-0x00007FF765AD0000-0x00007FF765E24000-memory.dmp

        memory/2948-8-0x00007FF765AD0000-0x00007FF765E24000-memory.dmp

        memory/3168-110-0x00007FF657760000-0x00007FF657AB4000-memory.dmp

        memory/3168-50-0x00007FF657760000-0x00007FF657AB4000-memory.dmp

        memory/3168-145-0x00007FF657760000-0x00007FF657AB4000-memory.dmp

        memory/3492-81-0x00007FF7FF1E0000-0x00007FF7FF534000-memory.dmp

        memory/3492-20-0x00007FF7FF1E0000-0x00007FF7FF534000-memory.dmp

        memory/3492-140-0x00007FF7FF1E0000-0x00007FF7FF534000-memory.dmp

        memory/3512-123-0x00007FF7C14A0000-0x00007FF7C17F4000-memory.dmp

        memory/3512-155-0x00007FF7C14A0000-0x00007FF7C17F4000-memory.dmp

        memory/3596-135-0x00007FF700F30000-0x00007FF701284000-memory.dmp

        memory/3596-151-0x00007FF700F30000-0x00007FF701284000-memory.dmp

        memory/3596-87-0x00007FF700F30000-0x00007FF701284000-memory.dmp

        memory/3680-146-0x00007FF6AC7B0000-0x00007FF6ACB04000-memory.dmp

        memory/3680-120-0x00007FF6AC7B0000-0x00007FF6ACB04000-memory.dmp

        memory/3680-56-0x00007FF6AC7B0000-0x00007FF6ACB04000-memory.dmp

        memory/3760-157-0x00007FF78C8E0000-0x00007FF78CC34000-memory.dmp

        memory/3760-133-0x00007FF78C8E0000-0x00007FF78CC34000-memory.dmp

        memory/4080-156-0x00007FF7B6B40000-0x00007FF7B6E94000-memory.dmp

        memory/4080-129-0x00007FF7B6B40000-0x00007FF7B6E94000-memory.dmp

        memory/4480-77-0x00007FF770680000-0x00007FF7709D4000-memory.dmp

        memory/4480-149-0x00007FF770680000-0x00007FF7709D4000-memory.dmp

        memory/4900-150-0x00007FF7ED1A0000-0x00007FF7ED4F4000-memory.dmp

        memory/4900-85-0x00007FF7ED1A0000-0x00007FF7ED4F4000-memory.dmp

        memory/4900-134-0x00007FF7ED1A0000-0x00007FF7ED4F4000-memory.dmp

        memory/5020-12-0x00007FF665C60000-0x00007FF665FB4000-memory.dmp

        memory/5020-139-0x00007FF665C60000-0x00007FF665FB4000-memory.dmp

        memory/5020-79-0x00007FF665C60000-0x00007FF665FB4000-memory.dmp

        memory/5080-147-0x00007FF76F560000-0x00007FF76F8B4000-memory.dmp

        memory/5080-68-0x00007FF76F560000-0x00007FF76F8B4000-memory.dmp