Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 01:02

General

  • Target
    2024-05-28_7124c8a9b3c707795c7c3547bd4f0024_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240528-bd45hagg3w
  • SHA256 1cc0fac907e421a703b28fa64d72daced69cfc6216cce75fdd0e908ba2769d30
  • 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\2024-05-28_7124c8a9b3c707795c7c3547bd4f0024_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-28_7124c8a9b3c707795c7c3547bd4f0024_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Windows\System\PgxrGPj.exe
      C:\Windows\System\PgxrGPj.exe
      2⤵
      • Executes dropped EXE
      PID:4652
    • C:\Windows\System\tNvdtFQ.exe
      C:\Windows\System\tNvdtFQ.exe
      2⤵
      • Executes dropped EXE
      PID:3848
    • C:\Windows\System\oHFodYh.exe
      C:\Windows\System\oHFodYh.exe
      2⤵
      • Executes dropped EXE
      PID:2600
    • C:\Windows\System\RoZlwnW.exe
      C:\Windows\System\RoZlwnW.exe
      2⤵
      • Executes dropped EXE
      PID:2976
    • C:\Windows\System\bmdrvIr.exe
      C:\Windows\System\bmdrvIr.exe
      2⤵
      • Executes dropped EXE
      PID:552
    • C:\Windows\System\ahrlGgQ.exe
      C:\Windows\System\ahrlGgQ.exe
      2⤵
      • Executes dropped EXE
      PID:5084
    • C:\Windows\System\iCzFMyy.exe
      C:\Windows\System\iCzFMyy.exe
      2⤵
      • Executes dropped EXE
      PID:5108
    • C:\Windows\System\EcxYYxI.exe
      C:\Windows\System\EcxYYxI.exe
      2⤵
      • Executes dropped EXE
      PID:1620
    • C:\Windows\System\RhEJPKA.exe
      C:\Windows\System\RhEJPKA.exe
      2⤵
      • Executes dropped EXE
      PID:4796
    • C:\Windows\System\BRlcPBP.exe
      C:\Windows\System\BRlcPBP.exe
      2⤵
      • Executes dropped EXE
      PID:4984
    • C:\Windows\System\SdngpSC.exe
      C:\Windows\System\SdngpSC.exe
      2⤵
      • Executes dropped EXE
      PID:4484
    • C:\Windows\System\OaxdPme.exe
      C:\Windows\System\OaxdPme.exe
      2⤵
      • Executes dropped EXE
      PID:4104
    • C:\Windows\System\EcmRQrI.exe
      C:\Windows\System\EcmRQrI.exe
      2⤵
      • Executes dropped EXE
      PID:4772
    • C:\Windows\System\fZsppsa.exe
      C:\Windows\System\fZsppsa.exe
      2⤵
      • Executes dropped EXE
      PID:816
    • C:\Windows\System\OdPdldG.exe
      C:\Windows\System\OdPdldG.exe
      2⤵
      • Executes dropped EXE
      PID:3204
    • C:\Windows\System\OWrZxSp.exe
      C:\Windows\System\OWrZxSp.exe
      2⤵
      • Executes dropped EXE
      PID:4288
    • C:\Windows\System\ypbrbBN.exe
      C:\Windows\System\ypbrbBN.exe
      2⤵
      • Executes dropped EXE
      PID:3052
    • C:\Windows\System\zxDzRcO.exe
      C:\Windows\System\zxDzRcO.exe
      2⤵
      • Executes dropped EXE
      PID:1576
    • C:\Windows\System\qOVnMnY.exe
      C:\Windows\System\qOVnMnY.exe
      2⤵
      • Executes dropped EXE
      PID:2108
    • C:\Windows\System\ZVKdMct.exe
      C:\Windows\System\ZVKdMct.exe
      2⤵
      • Executes dropped EXE
      PID:4496
    • C:\Windows\System\BWtDITs.exe
      C:\Windows\System\BWtDITs.exe
      2⤵
      • Executes dropped EXE
      PID:632

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        BRlcPBP.exe

        • Path C:\Windows\System\BRlcPBP.exe
        • Size 5.9MB
        • SHA256 0f39fbb22b4f64c2c34ff1b3547f58d1519469ee69b56ea5e9faa469d92d1553
        • MD5 SHA1 SHA512 SSDEEP

        BWtDITs.exe

        • Path C:\Windows\System\BWtDITs.exe
        • Size 5.9MB
        • SHA256 5878f19a25055a9a3f49265fb44781640904ac0b9290daf5dfaae78ab69e443c
        • MD5 SHA1 SHA512 SSDEEP

        EcmRQrI.exe

        • Path C:\Windows\System\EcmRQrI.exe
        • Size 5.9MB
        • SHA256 4db7620c8720079a221167f88db84fa2ab6807d80fc0b226a245a3f8422f377e
        • MD5 SHA1 SHA512 SSDEEP

        EcxYYxI.exe

        • Path C:\Windows\System\EcxYYxI.exe
        • Size 5.9MB
        • SHA256 778e1a1f38f660b334b4bd839b18a04cbf149b0e2756cf06fdf6bc88479ab482
        • MD5 SHA1 SHA512 SSDEEP

        OWrZxSp.exe

        • Path C:\Windows\System\OWrZxSp.exe
        • Size 5.9MB
        • SHA256 1f2f2ee888276603ce32ca1ab1cb6ebe9f75b9cefc7e4c7445fae6a65cceebef
        • MD5 SHA1 SHA512 SSDEEP

        OaxdPme.exe

        • Path C:\Windows\System\OaxdPme.exe
        • Size 5.9MB
        • SHA256 aa3a5a1b0f9c04913779eb2fc3a16848f8dc4c851d461cce133cbb4e7a56cf0f
        • MD5 SHA1 SHA512 SSDEEP

        OdPdldG.exe

        • Path C:\Windows\System\OdPdldG.exe
        • Size 5.9MB
        • SHA256 5a66fc52d585103bd113659986048b6a48bdf756f4f4566f47b36d92ec846573
        • MD5 SHA1 SHA512 SSDEEP

        PgxrGPj.exe

        • Path C:\Windows\System\PgxrGPj.exe
        • Size 5.9MB
        • SHA256 25bb6fa16d4f12660b54a5ed91dff7b7a3043bd1418636a883f1268a9e97e0f8
        • MD5 SHA1 SHA512 SSDEEP

        RhEJPKA.exe

        • Path C:\Windows\System\RhEJPKA.exe
        • Size 5.9MB
        • SHA256 aba6884bb8d3ac2a4cc97597753d77c8eef041bbd83d0b11384dd1fc832057f4
        • MD5 SHA1 SHA512 SSDEEP

        RoZlwnW.exe

        • Path C:\Windows\System\RoZlwnW.exe
        • Size 5.9MB
        • SHA256 47927ce7beaa2dd2d33faec98a3c6202be32c8a3acfa7cc21ebe38b0571f778d
        • MD5 SHA1 SHA512 SSDEEP

        SdngpSC.exe

        • Path C:\Windows\System\SdngpSC.exe
        • Size 5.9MB
        • SHA256 725f8148c7b5dc2db95f163db5a212a1952055ec4a1ecfbe6a9ef56d82744496
        • MD5 SHA1 SHA512 SSDEEP

        ZVKdMct.exe

        • Path C:\Windows\System\ZVKdMct.exe
        • Size 5.9MB
        • SHA256 d63fe702ee51af2c168721897834aabd576ee9bbe9fe48c1edb26471af27a4d1
        • MD5 SHA1 SHA512 SSDEEP

        ahrlGgQ.exe

        • Path C:\Windows\System\ahrlGgQ.exe
        • Size 5.9MB
        • SHA256 24f21945d241840bd300088fb0f05ea97b7a61f76dd838e967935c37960233eb
        • MD5 SHA1 SHA512 SSDEEP

        bmdrvIr.exe

        • Path C:\Windows\System\bmdrvIr.exe
        • Size 5.9MB
        • SHA256 b9400fd6b4e970aa9f73df8f038e7b3c1deab2162d151ff608bac20d2b2cb788
        • MD5 SHA1 SHA512 SSDEEP

        fZsppsa.exe

        • Path C:\Windows\System\fZsppsa.exe
        • Size 5.9MB
        • SHA256 2221541d78c0d1e0636014f9a0ee8448ad547346a62347fc6f0b8a58a5f6ca6c
        • MD5 SHA1 SHA512 SSDEEP

        iCzFMyy.exe

        • Path C:\Windows\System\iCzFMyy.exe
        • Size 5.9MB
        • SHA256 f2069afc6994273fc20756ffadc595f3aa508fbfbbe991b4a4570d4418561b25
        • MD5 SHA1 SHA512 SSDEEP

        oHFodYh.exe

        • Path C:\Windows\System\oHFodYh.exe
        • Size 5.9MB
        • SHA256 479854b666d2cf870d1310342243e0107ad867e8ad73286220f716678d69fb83
        • MD5 SHA1 SHA512 SSDEEP

        qOVnMnY.exe

        • Path C:\Windows\System\qOVnMnY.exe
        • Size 5.9MB
        • SHA256 d45b9505f9bae74dfa4a04b8b345266505352b6d53c5b000880c9d38640d4d5a
        • MD5 SHA1 SHA512 SSDEEP

        tNvdtFQ.exe

        • Path C:\Windows\System\tNvdtFQ.exe
        • Size 5.9MB
        • SHA256 bf43efce98130624cbae8c82e7e63a2ebd2c1348d3aa9fc2e7c23b427c582694
        • MD5 SHA1 SHA512 SSDEEP

        ypbrbBN.exe

        • Path C:\Windows\System\ypbrbBN.exe
        • Size 5.9MB
        • SHA256 dbcff29469b4d1918189d783a9662015da6dba17b1480190f868fee2c25ef7e3
        • MD5 SHA1 SHA512 SSDEEP

        zxDzRcO.exe

        • Path C:\Windows\System\zxDzRcO.exe
        • Size 5.9MB
        • SHA256 36124fd4cfb2a79d03843308068fd7531efe6455fd29ea91d15cde3586017328
        • MD5 SHA1 SHA512 SSDEEP

        memory/552-32-0x00007FF6DBB80000-0x00007FF6DBED4000-memory.dmp

        memory/552-143-0x00007FF6DBB80000-0x00007FF6DBED4000-memory.dmp

        memory/632-131-0x00007FF6C5A80000-0x00007FF6C5DD4000-memory.dmp

        memory/632-159-0x00007FF6C5A80000-0x00007FF6C5DD4000-memory.dmp

        memory/816-85-0x00007FF62E030000-0x00007FF62E384000-memory.dmp

        memory/816-136-0x00007FF62E030000-0x00007FF62E384000-memory.dmp

        memory/816-152-0x00007FF62E030000-0x00007FF62E384000-memory.dmp

        memory/1576-156-0x00007FF7D1C10000-0x00007FF7D1F64000-memory.dmp

        memory/1576-114-0x00007FF7D1C10000-0x00007FF7D1F64000-memory.dmp

        memory/1620-132-0x00007FF6E5F90000-0x00007FF6E62E4000-memory.dmp

        memory/1620-146-0x00007FF6E5F90000-0x00007FF6E62E4000-memory.dmp

        memory/1620-48-0x00007FF6E5F90000-0x00007FF6E62E4000-memory.dmp

        memory/2108-138-0x00007FF782FE0000-0x00007FF783334000-memory.dmp

        memory/2108-157-0x00007FF782FE0000-0x00007FF783334000-memory.dmp

        memory/2108-118-0x00007FF782FE0000-0x00007FF783334000-memory.dmp

        memory/2400-0-0x00007FF7CD620000-0x00007FF7CD974000-memory.dmp

        memory/2400-77-0x00007FF7CD620000-0x00007FF7CD974000-memory.dmp

        memory/2400-1-0x00000171CE160000-0x00000171CE170000-memory.dmp

        memory/2600-20-0x00007FF660DE0000-0x00007FF661134000-memory.dmp

        memory/2600-109-0x00007FF660DE0000-0x00007FF661134000-memory.dmp

        memory/2600-141-0x00007FF660DE0000-0x00007FF661134000-memory.dmp

        memory/2976-142-0x00007FF785CF0000-0x00007FF786044000-memory.dmp

        memory/2976-26-0x00007FF785CF0000-0x00007FF786044000-memory.dmp

        memory/3052-155-0x00007FF6F35F0000-0x00007FF6F3944000-memory.dmp

        memory/3052-113-0x00007FF6F35F0000-0x00007FF6F3944000-memory.dmp

        memory/3204-137-0x00007FF73D680000-0x00007FF73D9D4000-memory.dmp

        memory/3204-94-0x00007FF73D680000-0x00007FF73D9D4000-memory.dmp

        memory/3204-153-0x00007FF73D680000-0x00007FF73D9D4000-memory.dmp

        memory/3848-14-0x00007FF6EFFE0000-0x00007FF6F0334000-memory.dmp

        memory/3848-102-0x00007FF6EFFE0000-0x00007FF6F0334000-memory.dmp

        memory/3848-140-0x00007FF6EFFE0000-0x00007FF6F0334000-memory.dmp

        memory/4104-151-0x00007FF609000000-0x00007FF609354000-memory.dmp

        memory/4104-135-0x00007FF609000000-0x00007FF609354000-memory.dmp

        memory/4104-81-0x00007FF609000000-0x00007FF609354000-memory.dmp

        memory/4288-103-0x00007FF7C5800000-0x00007FF7C5B54000-memory.dmp

        memory/4288-154-0x00007FF7C5800000-0x00007FF7C5B54000-memory.dmp

        memory/4484-78-0x00007FF74BD40000-0x00007FF74C094000-memory.dmp

        memory/4484-149-0x00007FF74BD40000-0x00007FF74C094000-memory.dmp

        memory/4496-158-0x00007FF762B70000-0x00007FF762EC4000-memory.dmp

        memory/4496-130-0x00007FF762B70000-0x00007FF762EC4000-memory.dmp

        memory/4652-91-0x00007FF7B9750000-0x00007FF7B9AA4000-memory.dmp

        memory/4652-139-0x00007FF7B9750000-0x00007FF7B9AA4000-memory.dmp

        memory/4652-8-0x00007FF7B9750000-0x00007FF7B9AA4000-memory.dmp

        memory/4772-150-0x00007FF642B20000-0x00007FF642E74000-memory.dmp

        memory/4772-84-0x00007FF642B20000-0x00007FF642E74000-memory.dmp

        memory/4796-55-0x00007FF7E3390000-0x00007FF7E36E4000-memory.dmp

        memory/4796-147-0x00007FF7E3390000-0x00007FF7E36E4000-memory.dmp

        memory/4796-133-0x00007FF7E3390000-0x00007FF7E36E4000-memory.dmp

        memory/4984-134-0x00007FF730E20000-0x00007FF731174000-memory.dmp

        memory/4984-148-0x00007FF730E20000-0x00007FF731174000-memory.dmp

        memory/4984-57-0x00007FF730E20000-0x00007FF731174000-memory.dmp

        memory/5084-144-0x00007FF6DC3E0000-0x00007FF6DC734000-memory.dmp

        memory/5084-43-0x00007FF6DC3E0000-0x00007FF6DC734000-memory.dmp

        memory/5108-145-0x00007FF71BB60000-0x00007FF71BEB4000-memory.dmp

        memory/5108-46-0x00007FF71BB60000-0x00007FF71BEB4000-memory.dmp