Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 08:44

General

  • Target
    2024-05-31_b80140c2cd9742541c827759b35f2eb2_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240531-km9wsade27
  • SHA256 9e84af79375f4b4b912393586fbf5f289524ecec49f706fe397440b44d7e0f53
  • 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_b80140c2cd9742541c827759b35f2eb2_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_b80140c2cd9742541c827759b35f2eb2_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3136
    • C:\Windows\System\soJgPQi.exe
      C:\Windows\System\soJgPQi.exe
      2⤵
      • Executes dropped EXE
      PID:900
    • C:\Windows\System\WjcDXIK.exe
      C:\Windows\System\WjcDXIK.exe
      2⤵
      • Executes dropped EXE
      PID:4780
    • C:\Windows\System\QrgvCrA.exe
      C:\Windows\System\QrgvCrA.exe
      2⤵
      • Executes dropped EXE
      PID:3852
    • C:\Windows\System\dJcMLHr.exe
      C:\Windows\System\dJcMLHr.exe
      2⤵
      • Executes dropped EXE
      PID:1660
    • C:\Windows\System\owcjaQP.exe
      C:\Windows\System\owcjaQP.exe
      2⤵
      • Executes dropped EXE
      PID:2340
    • C:\Windows\System\QfTeSHi.exe
      C:\Windows\System\QfTeSHi.exe
      2⤵
      • Executes dropped EXE
      PID:2948
    • C:\Windows\System\jhdGalJ.exe
      C:\Windows\System\jhdGalJ.exe
      2⤵
      • Executes dropped EXE
      PID:1496
    • C:\Windows\System\mFdLbAl.exe
      C:\Windows\System\mFdLbAl.exe
      2⤵
      • Executes dropped EXE
      PID:3048
    • C:\Windows\System\HyXwJrm.exe
      C:\Windows\System\HyXwJrm.exe
      2⤵
      • Executes dropped EXE
      PID:4876
    • C:\Windows\System\rwVbeGz.exe
      C:\Windows\System\rwVbeGz.exe
      2⤵
      • Executes dropped EXE
      PID:2384
    • C:\Windows\System\kwZTHvp.exe
      C:\Windows\System\kwZTHvp.exe
      2⤵
      • Executes dropped EXE
      PID:1520
    • C:\Windows\System\MKvragO.exe
      C:\Windows\System\MKvragO.exe
      2⤵
      • Executes dropped EXE
      PID:2028
    • C:\Windows\System\BbbqLRF.exe
      C:\Windows\System\BbbqLRF.exe
      2⤵
      • Executes dropped EXE
      PID:8
    • C:\Windows\System\LsNTVPw.exe
      C:\Windows\System\LsNTVPw.exe
      2⤵
      • Executes dropped EXE
      PID:2364
    • C:\Windows\System\oWFTDwX.exe
      C:\Windows\System\oWFTDwX.exe
      2⤵
      • Executes dropped EXE
      PID:744
    • C:\Windows\System\dOGijlf.exe
      C:\Windows\System\dOGijlf.exe
      2⤵
      • Executes dropped EXE
      PID:3900
    • C:\Windows\System\mmwMOXj.exe
      C:\Windows\System\mmwMOXj.exe
      2⤵
      • Executes dropped EXE
      PID:1340
    • C:\Windows\System\HHomPjo.exe
      C:\Windows\System\HHomPjo.exe
      2⤵
      • Executes dropped EXE
      PID:1256
    • C:\Windows\System\amywwJV.exe
      C:\Windows\System\amywwJV.exe
      2⤵
      • Executes dropped EXE
      PID:852
    • C:\Windows\System\UbEQXAJ.exe
      C:\Windows\System\UbEQXAJ.exe
      2⤵
      • Executes dropped EXE
      PID:1552
    • C:\Windows\System\NxXcXag.exe
      C:\Windows\System\NxXcXag.exe
      2⤵
      • Executes dropped EXE
      PID:1388

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        BbbqLRF.exe

        • Path C:\Windows\System\BbbqLRF.exe
        • Size 5.9MB
        • SHA256 6efd86b488e7590c65cc326d876ee36594bdbd7b0061a34a634536e5ee29263c
        • MD5 SHA1 SHA512 SSDEEP

        HHomPjo.exe

        • Path C:\Windows\System\HHomPjo.exe
        • Size 5.9MB
        • SHA256 86b973a2773964d4c121b49a0223197027369ea7cf9a6b2c2da8ac65a219bac4
        • MD5 SHA1 SHA512 SSDEEP

        HyXwJrm.exe

        • Path C:\Windows\System\HyXwJrm.exe
        • Size 5.9MB
        • SHA256 434e3252ad7e0d3da85d4bcce61c7e18f8827a425326c081c6357b9dec649b27
        • MD5 SHA1 SHA512 SSDEEP

        LsNTVPw.exe

        • Path C:\Windows\System\LsNTVPw.exe
        • Size 5.9MB
        • SHA256 c865d1dbcedf8985b6adc97d0377108f81b6306c0487be4640b1d281aefa2f14
        • MD5 SHA1 SHA512 SSDEEP

        MKvragO.exe

        • Path C:\Windows\System\MKvragO.exe
        • Size 5.9MB
        • SHA256 8cf43539c0f21ad4dd1c722433f1868c9fd0c16e315f804f00f27a24a70e239f
        • MD5 SHA1 SHA512 SSDEEP

        NxXcXag.exe

        • Path C:\Windows\System\NxXcXag.exe
        • Size 5.9MB
        • SHA256 540a7ecf6f5d11a96da172ebe8f2b69417a656882f53b6f7b556212ff7488cfb
        • MD5 SHA1 SHA512 SSDEEP

        QfTeSHi.exe

        • Path C:\Windows\System\QfTeSHi.exe
        • Size 5.9MB
        • SHA256 c0b03ed58a47302586f85accb2ae49fef651d39e7bf8315e87b3cf87a40d7b15
        • MD5 SHA1 SHA512 SSDEEP

        QrgvCrA.exe

        • Path C:\Windows\System\QrgvCrA.exe
        • Size 5.9MB
        • SHA256 5667415809df081b2261a0876023d339163e78f93d5255c3d653580cb11a1b78
        • MD5 SHA1 SHA512 SSDEEP

        UbEQXAJ.exe

        • Path C:\Windows\System\UbEQXAJ.exe
        • Size 5.9MB
        • SHA256 6c61b8570e4495fe1eb4e334b4702da152805baefaa3d05801cbe4d538781ea3
        • MD5 SHA1 SHA512 SSDEEP

        WjcDXIK.exe

        • Path C:\Windows\System\WjcDXIK.exe
        • Size 5.9MB
        • SHA256 d7746fd108bdd3104c7817afc22e5b2777bed684d39d0b5e11c7047d49cd7e51
        • MD5 SHA1 SHA512 SSDEEP

        amywwJV.exe

        • Path C:\Windows\System\amywwJV.exe
        • Size 5.9MB
        • SHA256 26daa389236293418fde7815ebba21ce0b7f7e4abdb3cedfda1fa52440b2f77b
        • MD5 SHA1 SHA512 SSDEEP

        dJcMLHr.exe

        • Path C:\Windows\System\dJcMLHr.exe
        • Size 5.9MB
        • SHA256 2bb3a5bd06c1f4d84979dd5e432243725fd4dede70c060113abad8969e5e754e
        • MD5 SHA1 SHA512 SSDEEP

        dOGijlf.exe

        • Path C:\Windows\System\dOGijlf.exe
        • Size 5.9MB
        • SHA256 311ab91d309a8d0f142c5e99546252543e0cca1844b92ff702c5902935476231
        • MD5 SHA1 SHA512 SSDEEP

        jhdGalJ.exe

        • Path C:\Windows\System\jhdGalJ.exe
        • Size 5.9MB
        • SHA256 83583504407ed48886eeefc2d8f3b19cbf3c628a89c4e651e5cd0ebdc2818f9b
        • MD5 SHA1 SHA512 SSDEEP

        kwZTHvp.exe

        • Path C:\Windows\System\kwZTHvp.exe
        • Size 5.9MB
        • SHA256 3e64ede973714e3abc76406d36588d01403de44e9aef44514cc6bdb4cbe892fe
        • MD5 SHA1 SHA512 SSDEEP

        mFdLbAl.exe

        • Path C:\Windows\System\mFdLbAl.exe
        • Size 5.9MB
        • SHA256 45229eb59ca85d69f12ac1e9c4f07465af09d7b6c8eaa3c471d7d414acd7c08b
        • MD5 SHA1 SHA512 SSDEEP

        mmwMOXj.exe

        • Path C:\Windows\System\mmwMOXj.exe
        • Size 5.9MB
        • SHA256 ae13fa4aa5fa572fa23aaf61e7570d4d497921ff2b0f4db005376599884bc855
        • MD5 SHA1 SHA512 SSDEEP

        oWFTDwX.exe

        • Path C:\Windows\System\oWFTDwX.exe
        • Size 5.9MB
        • SHA256 33c2c37b08e78daaffcf78144c842b908914a3af25b8f037aa6b07e8f5fcebd7
        • MD5 SHA1 SHA512 SSDEEP

        owcjaQP.exe

        • Path C:\Windows\System\owcjaQP.exe
        • Size 5.9MB
        • SHA256 e733483de83504ea0c44f23d3fb6717dd88ab12ae5fda0b3f386be8ebc416dee
        • MD5 SHA1 SHA512 SSDEEP

        rwVbeGz.exe

        • Path C:\Windows\System\rwVbeGz.exe
        • Size 5.9MB
        • SHA256 a43f8ca902d85f5591f6ac16ac80ab7b1b3e2729419f78f9f6c9874f330815a4
        • MD5 SHA1 SHA512 SSDEEP

        soJgPQi.exe

        • Path C:\Windows\System\soJgPQi.exe
        • Size 5.9MB
        • SHA256 5706b02bafd71fda53f0d9d315ab05a22136abc03a012f5b49af368f69b08420
        • MD5 SHA1 SHA512 SSDEEP

        memory/8-80-0x00007FF7361C0000-0x00007FF736514000-memory.dmp

        memory/8-152-0x00007FF7361C0000-0x00007FF736514000-memory.dmp

        memory/744-94-0x00007FF6D6AB0000-0x00007FF6D6E04000-memory.dmp

        memory/744-136-0x00007FF6D6AB0000-0x00007FF6D6E04000-memory.dmp

        memory/744-154-0x00007FF6D6AB0000-0x00007FF6D6E04000-memory.dmp

        memory/852-158-0x00007FF7F7170000-0x00007FF7F74C4000-memory.dmp

        memory/852-121-0x00007FF7F7170000-0x00007FF7F74C4000-memory.dmp

        memory/852-138-0x00007FF7F7170000-0x00007FF7F74C4000-memory.dmp

        memory/900-140-0x00007FF737BC0000-0x00007FF737F14000-memory.dmp

        memory/900-6-0x00007FF737BC0000-0x00007FF737F14000-memory.dmp

        memory/900-91-0x00007FF737BC0000-0x00007FF737F14000-memory.dmp

        memory/1256-113-0x00007FF66DC60000-0x00007FF66DFB4000-memory.dmp

        memory/1256-137-0x00007FF66DC60000-0x00007FF66DFB4000-memory.dmp

        memory/1256-157-0x00007FF66DC60000-0x00007FF66DFB4000-memory.dmp

        memory/1340-112-0x00007FF725570000-0x00007FF7258C4000-memory.dmp

        memory/1340-156-0x00007FF725570000-0x00007FF7258C4000-memory.dmp

        memory/1388-159-0x00007FF6C2CC0000-0x00007FF6C3014000-memory.dmp

        memory/1388-132-0x00007FF6C2CC0000-0x00007FF6C3014000-memory.dmp

        memory/1496-53-0x00007FF648F60000-0x00007FF6492B4000-memory.dmp

        memory/1496-146-0x00007FF648F60000-0x00007FF6492B4000-memory.dmp

        memory/1520-66-0x00007FF781CB0000-0x00007FF782004000-memory.dmp

        memory/1520-134-0x00007FF781CB0000-0x00007FF782004000-memory.dmp

        memory/1520-150-0x00007FF781CB0000-0x00007FF782004000-memory.dmp

        memory/1552-139-0x00007FF6F5CE0000-0x00007FF6F6034000-memory.dmp

        memory/1552-160-0x00007FF6F5CE0000-0x00007FF6F6034000-memory.dmp

        memory/1552-131-0x00007FF6F5CE0000-0x00007FF6F6034000-memory.dmp

        memory/1660-24-0x00007FF60D050000-0x00007FF60D3A4000-memory.dmp

        memory/1660-106-0x00007FF60D050000-0x00007FF60D3A4000-memory.dmp

        memory/1660-143-0x00007FF60D050000-0x00007FF60D3A4000-memory.dmp

        memory/2028-72-0x00007FF61B7A0000-0x00007FF61BAF4000-memory.dmp

        memory/2028-135-0x00007FF61B7A0000-0x00007FF61BAF4000-memory.dmp

        memory/2028-151-0x00007FF61B7A0000-0x00007FF61BAF4000-memory.dmp

        memory/2340-37-0x00007FF662080000-0x00007FF6623D4000-memory.dmp

        memory/2340-142-0x00007FF662080000-0x00007FF6623D4000-memory.dmp

        memory/2364-153-0x00007FF6E17B0000-0x00007FF6E1B04000-memory.dmp

        memory/2364-90-0x00007FF6E17B0000-0x00007FF6E1B04000-memory.dmp

        memory/2384-149-0x00007FF74E560000-0x00007FF74E8B4000-memory.dmp

        memory/2384-62-0x00007FF74E560000-0x00007FF74E8B4000-memory.dmp

        memory/2948-51-0x00007FF6194E0000-0x00007FF619834000-memory.dmp

        memory/2948-144-0x00007FF6194E0000-0x00007FF619834000-memory.dmp

        memory/3048-52-0x00007FF698230000-0x00007FF698584000-memory.dmp

        memory/3048-147-0x00007FF698230000-0x00007FF698584000-memory.dmp

        memory/3136-1-0x0000022338610000-0x0000022338620000-memory.dmp

        memory/3136-85-0x00007FF6CCC50000-0x00007FF6CCFA4000-memory.dmp

        memory/3136-0-0x00007FF6CCC50000-0x00007FF6CCFA4000-memory.dmp

        memory/3852-145-0x00007FF742290000-0x00007FF7425E4000-memory.dmp

        memory/3852-31-0x00007FF742290000-0x00007FF7425E4000-memory.dmp

        memory/3852-107-0x00007FF742290000-0x00007FF7425E4000-memory.dmp

        memory/3900-155-0x00007FF72B910000-0x00007FF72BC64000-memory.dmp

        memory/3900-111-0x00007FF72B910000-0x00007FF72BC64000-memory.dmp

        memory/4780-15-0x00007FF644450000-0x00007FF6447A4000-memory.dmp

        memory/4780-105-0x00007FF644450000-0x00007FF6447A4000-memory.dmp

        memory/4780-141-0x00007FF644450000-0x00007FF6447A4000-memory.dmp

        memory/4876-148-0x00007FF7E7F70000-0x00007FF7E82C4000-memory.dmp

        memory/4876-56-0x00007FF7E7F70000-0x00007FF7E82C4000-memory.dmp

        memory/4876-126-0x00007FF7E7F70000-0x00007FF7E82C4000-memory.dmp