Analysis

  • max time kernel
    139s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 01:51

General

  • Target
    2024-06-01_539081b1ddcf82ceb603fe66f6d2dd10_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-cabt8adf7y
  • SHA256 8e35f57d4f433eab255f82c17e71d38c4371ed681105097f2a01d89d13664052
  • 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 18 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 18 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\2024-06-01_539081b1ddcf82ceb603fe66f6d2dd10_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_539081b1ddcf82ceb603fe66f6d2dd10_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\System\OCWrrBw.exe
      C:\Windows\System\OCWrrBw.exe
      2⤵
      • Executes dropped EXE
      PID:2824
    • C:\Windows\System\lNdFlhh.exe
      C:\Windows\System\lNdFlhh.exe
      2⤵
      • Executes dropped EXE
      PID:4788
    • C:\Windows\System\BfFWNUW.exe
      C:\Windows\System\BfFWNUW.exe
      2⤵
      • Executes dropped EXE
      PID:3716
    • C:\Windows\System\CGuCToQ.exe
      C:\Windows\System\CGuCToQ.exe
      2⤵
      • Executes dropped EXE
      PID:432
    • C:\Windows\System\IBCfRAF.exe
      C:\Windows\System\IBCfRAF.exe
      2⤵
      • Executes dropped EXE
      PID:5024
    • C:\Windows\System\VhNdvpI.exe
      C:\Windows\System\VhNdvpI.exe
      2⤵
      • Executes dropped EXE
      PID:1180
    • C:\Windows\System\uhSczTj.exe
      C:\Windows\System\uhSczTj.exe
      2⤵
      • Executes dropped EXE
      PID:3928
    • C:\Windows\System\BUaWrBw.exe
      C:\Windows\System\BUaWrBw.exe
      2⤵
      • Executes dropped EXE
      PID:2748
    • C:\Windows\System\kwQfKkH.exe
      C:\Windows\System\kwQfKkH.exe
      2⤵
      • Executes dropped EXE
      PID:5068
    • C:\Windows\System\wwcZkUk.exe
      C:\Windows\System\wwcZkUk.exe
      2⤵
      • Executes dropped EXE
      PID:1552
    • C:\Windows\System\AekQMHB.exe
      C:\Windows\System\AekQMHB.exe
      2⤵
      • Executes dropped EXE
      PID:4488
    • C:\Windows\System\snXvShk.exe
      C:\Windows\System\snXvShk.exe
      2⤵
      • Executes dropped EXE
      PID:2356
    • C:\Windows\System\NypCsQJ.exe
      C:\Windows\System\NypCsQJ.exe
      2⤵
      • Executes dropped EXE
      PID:5108
    • C:\Windows\System\HkfhfbQ.exe
      C:\Windows\System\HkfhfbQ.exe
      2⤵
      • Executes dropped EXE
      PID:4344
    • C:\Windows\System\XhfJUGT.exe
      C:\Windows\System\XhfJUGT.exe
      2⤵
      • Executes dropped EXE
      PID:1312
    • C:\Windows\System\DSkLCxp.exe
      C:\Windows\System\DSkLCxp.exe
      2⤵
      • Executes dropped EXE
      PID:4396
    • C:\Windows\System\RaIyLDM.exe
      C:\Windows\System\RaIyLDM.exe
      2⤵
      • Executes dropped EXE
      PID:4104
    • C:\Windows\System\xsqAceI.exe
      C:\Windows\System\xsqAceI.exe
      2⤵
      • Executes dropped EXE
      PID:208
    • C:\Windows\System\RMxXqzs.exe
      C:\Windows\System\RMxXqzs.exe
      2⤵
      • Executes dropped EXE
      PID:4192
    • C:\Windows\System\ToTlrmN.exe
      C:\Windows\System\ToTlrmN.exe
      2⤵
      • Executes dropped EXE
      PID:3480
    • C:\Windows\System\bQYhChl.exe
      C:\Windows\System\bQYhChl.exe
      2⤵
      • Executes dropped EXE
      PID:760

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AekQMHB.exe

        • Path C:\Windows\System\AekQMHB.exe
        • Size 5.9MB
        • SHA256 b858d42ffdbc5fafe0f866baacfee1588efb7880d8a1af17a6f1a43be6232b36
        • MD5 SHA1 SHA512 SSDEEP

        AekQMHB.exe

        • Path C:\Windows\System\AekQMHB.exe
        • Size 5.9MB
        • SHA256 05dd3d926d8f7a6b3411e38a31ef4f8229eb7d780b830e3fca3bbab5124eef86
        • MD5 SHA1 SHA512 SSDEEP

        BUaWrBw.exe

        • Path C:\Windows\System\BUaWrBw.exe
        • Size 5.9MB
        • SHA256 2b56b3d1b64fd3a424ed1ac85aa7f390ca50af03f2a2a51fbfb82bfc1cfc6541
        • MD5 SHA1 SHA512 SSDEEP

        BUaWrBw.exe

        • Path C:\Windows\System\BUaWrBw.exe
        • Size 5.8MB
        • SHA256 1ee51685b7af314df3c8f01c4b39b91c739a420b0c8968c9cd986b716fd08dc9
        • MD5 SHA1 SHA512 SSDEEP

        BfFWNUW.exe

        • Path C:\Windows\System\BfFWNUW.exe
        • Size 5.9MB
        • SHA256 fc244ca3e27e5136f6fa28b547128688a0702b70775bb80d1a70abf519cd03ab
        • MD5 SHA1 SHA512 SSDEEP

        CGuCToQ.exe

        • Path C:\Windows\System\CGuCToQ.exe
        • Size 5.9MB
        • SHA256 571b59b95a28d334000f3f2daca8caf4aa9fbeb2dd1b82b143791101511d215f
        • MD5 SHA1 SHA512 SSDEEP

        DSkLCxp.exe

        • Path C:\Windows\System\DSkLCxp.exe
        • Size 5.9MB
        • SHA256 0b8e6fe3203697649a255ec782adeccdc6a21b78e3d417a9f3b1bc5408f29e08
        • MD5 SHA1 SHA512 SSDEEP

        HkfhfbQ.exe

        • Path C:\Windows\System\HkfhfbQ.exe
        • Size 5.9MB
        • SHA256 e65220be63d0d006388ae41fe3dbee4fa45cf583b27aa25638e1135874e67a8d
        • MD5 SHA1 SHA512 SSDEEP

        IBCfRAF.exe

        • Path C:\Windows\System\IBCfRAF.exe
        • Size 5.9MB
        • SHA256 1ca1403065115aab91177e791cf622afcbfaca50676642ef3970281893eed1e0
        • MD5 SHA1 SHA512 SSDEEP

        NypCsQJ.exe

        • Path C:\Windows\System\NypCsQJ.exe
        • Size 5.9MB
        • SHA256 8c255c9592851ff64a0ba6b6dd31488be1e5fe89fb217c5986c49e0b89b91231
        • MD5 SHA1 SHA512 SSDEEP

        OCWrrBw.exe

        • Path C:\Windows\System\OCWrrBw.exe
        • Size 5.9MB
        • SHA256 d1c7788a42d05e189c23b1c8739965c0dca146e04df5941ccebdb94f8f32dbe6
        • MD5 SHA1 SHA512 SSDEEP

        RMxXqzs.exe

        • Path C:\Windows\System\RMxXqzs.exe
        • Size 5.4MB
        • SHA256 caa068826195e26df36f4f536e4c6574635de1b7a9a02c85ee8ca5d8d8224bf8
        • MD5 SHA1 SHA512 SSDEEP

        RMxXqzs.exe

        • Path C:\Windows\System\RMxXqzs.exe
        • Size 5.9MB
        • SHA256 740d0214e10273256e32d33dabed10d1582dbbfc6cb904850fd02cd1ef547974
        • MD5 SHA1 SHA512 SSDEEP

        RaIyLDM.exe

        • Path C:\Windows\System\RaIyLDM.exe
        • Size 5.9MB
        • SHA256 297df0c9444175069e6df9cdd22075c57f25554277e9b414a3281e92090dd19f
        • MD5 SHA1 SHA512 SSDEEP

        ToTlrmN.exe

        • Path C:\Windows\System\ToTlrmN.exe
        • Size 5.7MB
        • SHA256 15b21f96ab3bc949c328ae89ca4b8971cb600187d8a414a03ad62deea81f4ef1
        • MD5 SHA1 SHA512 SSDEEP

        ToTlrmN.exe

        • Path C:\Windows\System\ToTlrmN.exe
        • Size 5.4MB
        • SHA256 b26b72ca0ef6d18aef032253470a78a13f48dcd486b2eb6e1570c96324293e82
        • MD5 SHA1 SHA512 SSDEEP

        VhNdvpI.exe

        • Path C:\Windows\System\VhNdvpI.exe
        • Size 5.9MB
        • SHA256 ecb45bacc9ae0121b12dc2bf7a3c9fb1d33bb3a0b72eda01524e7d395be4627b
        • MD5 SHA1 SHA512 SSDEEP

        XhfJUGT.exe

        • Path C:\Windows\System\XhfJUGT.exe
        • Size 5.9MB
        • SHA256 cb8faf5d192dffb336f6c3ff32fa150e5464727d0a43944172b74833e424e1ca
        • MD5 SHA1 SHA512 SSDEEP

        XhfJUGT.exe

        • Path C:\Windows\System\XhfJUGT.exe
        • Size 4.9MB
        • SHA256 7a9c3203e1c7834cd1471b3acd063f85cd86718b34b8fa76cc4ae74be283c1c7
        • MD5 SHA1 SHA512 SSDEEP

        bQYhChl.exe

        • Path C:\Windows\System\bQYhChl.exe
        • Size 5.8MB
        • SHA256 0d4a824efda706db87b77805c320758f4772451fa0404efc091a4e3040c61068
        • MD5 SHA1 SHA512 SSDEEP

        bQYhChl.exe

        • Path C:\Windows\System\bQYhChl.exe
        • Size 2.7MB
        • SHA256 4fd1d5231f529c0710d6a6cd40036ebe10563700b5f25c50aacacf0ccbeb0b9d
        • MD5 SHA1 SHA512 SSDEEP

        kwQfKkH.exe

        • Path C:\Windows\System\kwQfKkH.exe
        • Size 5.9MB
        • SHA256 33879e5a12a2a31b2c1696d99c6b00b9be4a86ed520d131f242b20335f2a7caa
        • MD5 SHA1 SHA512 SSDEEP

        lNdFlhh.exe

        • Path C:\Windows\System\lNdFlhh.exe
        • Size 5.9MB
        • SHA256 dfc2569fa25cccd0a4220d6650576af65ce1f16d71c61be9ffad47d81a3e7f77
        • MD5 SHA1 SHA512 SSDEEP

        snXvShk.exe

        • Path C:\Windows\System\snXvShk.exe
        • Size 5.9MB
        • SHA256 a0182c1e607ca54679ba03d7e79a820ff0590c56f6c8abfbe8bc7dea68d442bb
        • MD5 SHA1 SHA512 SSDEEP

        snXvShk.exe

        • Path C:\Windows\System\snXvShk.exe
        • Size 5.3MB
        • SHA256 cea51cc96156d8e8255e2ccada29ae7300a3315f995e7ba6d44446f87dc9a09d
        • MD5 SHA1 SHA512 SSDEEP

        uhSczTj.exe

        • Path C:\Windows\System\uhSczTj.exe
        • Size 5.9MB
        • SHA256 1574f50b90400779343321c5b45228f0c67f3236207f6f2e05d8f41d94100a99
        • MD5 SHA1 SHA512 SSDEEP

        wwcZkUk.exe

        • Path C:\Windows\System\wwcZkUk.exe
        • Size 5.6MB
        • SHA256 54a03d5d208d751b31e23b71307944c1879786db4797c4e135ceee676e41235a
        • MD5 SHA1 SHA512 SSDEEP

        xsqAceI.exe

        • Path C:\Windows\System\xsqAceI.exe
        • Size 5.9MB
        • SHA256 200904411adac6d2f4ed063988c6d38da3019ca912e74097037f389ff3da2d12
        • MD5 SHA1 SHA512 SSDEEP

        memory/208-129-0x00007FF7C9240000-0x00007FF7C9594000-memory.dmp

        memory/208-157-0x00007FF7C9240000-0x00007FF7C9594000-memory.dmp

        memory/432-24-0x00007FF60FA40000-0x00007FF60FD94000-memory.dmp

        memory/432-142-0x00007FF60FA40000-0x00007FF60FD94000-memory.dmp

        memory/760-159-0x00007FF7B9420000-0x00007FF7B9774000-memory.dmp

        memory/760-132-0x00007FF7B9420000-0x00007FF7B9774000-memory.dmp

        memory/1180-145-0x00007FF714630000-0x00007FF714984000-memory.dmp

        memory/1180-133-0x00007FF714630000-0x00007FF714984000-memory.dmp

        memory/1180-38-0x00007FF714630000-0x00007FF714984000-memory.dmp

        memory/1312-154-0x00007FF7CB350000-0x00007FF7CB6A4000-memory.dmp

        memory/1312-94-0x00007FF7CB350000-0x00007FF7CB6A4000-memory.dmp

        memory/1312-139-0x00007FF7CB350000-0x00007FF7CB6A4000-memory.dmp

        memory/1552-135-0x00007FF7CC370000-0x00007FF7CC6C4000-memory.dmp

        memory/1552-151-0x00007FF7CC370000-0x00007FF7CC6C4000-memory.dmp

        memory/1552-67-0x00007FF7CC370000-0x00007FF7CC6C4000-memory.dmp

        memory/2108-0-0x00007FF6E2530000-0x00007FF6E2884000-memory.dmp

        memory/2108-62-0x00007FF6E2530000-0x00007FF6E2884000-memory.dmp

        memory/2108-1-0x0000020E23FA0000-0x0000020E23FB0000-memory.dmp

        memory/2356-75-0x00007FF713390000-0x00007FF7136E4000-memory.dmp

        memory/2356-137-0x00007FF713390000-0x00007FF7136E4000-memory.dmp

        memory/2356-150-0x00007FF713390000-0x00007FF7136E4000-memory.dmp

        memory/2748-51-0x00007FF602210000-0x00007FF602564000-memory.dmp

        memory/2748-147-0x00007FF602210000-0x00007FF602564000-memory.dmp

        memory/2824-69-0x00007FF63F600000-0x00007FF63F954000-memory.dmp

        memory/2824-140-0x00007FF63F600000-0x00007FF63F954000-memory.dmp

        memory/2824-8-0x00007FF63F600000-0x00007FF63F954000-memory.dmp

        memory/3480-131-0x00007FF76FD30000-0x00007FF770084000-memory.dmp

        memory/3480-160-0x00007FF76FD30000-0x00007FF770084000-memory.dmp

        memory/3716-18-0x00007FF60EB00000-0x00007FF60EE54000-memory.dmp

        memory/3716-143-0x00007FF60EB00000-0x00007FF60EE54000-memory.dmp

        memory/3716-79-0x00007FF60EB00000-0x00007FF60EE54000-memory.dmp

        memory/3928-47-0x00007FF6333E0000-0x00007FF633734000-memory.dmp

        memory/3928-146-0x00007FF6333E0000-0x00007FF633734000-memory.dmp

        memory/4104-128-0x00007FF603AF0000-0x00007FF603E44000-memory.dmp

        memory/4104-156-0x00007FF603AF0000-0x00007FF603E44000-memory.dmp

        memory/4192-130-0x00007FF739C90000-0x00007FF739FE4000-memory.dmp

        memory/4192-158-0x00007FF739C90000-0x00007FF739FE4000-memory.dmp

        memory/4344-153-0x00007FF627720000-0x00007FF627A74000-memory.dmp

        memory/4344-92-0x00007FF627720000-0x00007FF627A74000-memory.dmp

        memory/4396-155-0x00007FF7DD370000-0x00007FF7DD6C4000-memory.dmp

        memory/4396-127-0x00007FF7DD370000-0x00007FF7DD6C4000-memory.dmp

        memory/4488-136-0x00007FF619B70000-0x00007FF619EC4000-memory.dmp

        memory/4488-149-0x00007FF619B70000-0x00007FF619EC4000-memory.dmp

        memory/4488-70-0x00007FF619B70000-0x00007FF619EC4000-memory.dmp

        memory/4788-76-0x00007FF60BB50000-0x00007FF60BEA4000-memory.dmp

        memory/4788-12-0x00007FF60BB50000-0x00007FF60BEA4000-memory.dmp

        memory/4788-141-0x00007FF60BB50000-0x00007FF60BEA4000-memory.dmp

        memory/5024-30-0x00007FF6E2090000-0x00007FF6E23E4000-memory.dmp

        memory/5024-144-0x00007FF6E2090000-0x00007FF6E23E4000-memory.dmp

        memory/5024-126-0x00007FF6E2090000-0x00007FF6E23E4000-memory.dmp

        memory/5068-148-0x00007FF6DA9F0000-0x00007FF6DAD44000-memory.dmp

        memory/5068-134-0x00007FF6DA9F0000-0x00007FF6DAD44000-memory.dmp

        memory/5068-61-0x00007FF6DA9F0000-0x00007FF6DAD44000-memory.dmp

        memory/5108-152-0x00007FF766C20000-0x00007FF766F74000-memory.dmp

        memory/5108-138-0x00007FF766C20000-0x00007FF766F74000-memory.dmp

        memory/5108-78-0x00007FF766C20000-0x00007FF766F74000-memory.dmp