Analysis

  • max time kernel
    142s
  • 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
    03/06/2024, 09:26

General

  • Target
    2024-06-03_096987b2d366cca20587587ce664518f_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240603-lelpnabc78
  • SHA256 c1231e76678419f36063237a6bbf4e41feadafa291a19361584e20f53613c8f5
  • 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\2024-06-03_096987b2d366cca20587587ce664518f_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-03_096987b2d366cca20587587ce664518f_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Windows\System\uhmDvfy.exe
      C:\Windows\System\uhmDvfy.exe
      2⤵
      • Executes dropped EXE
      PID:3080
    • C:\Windows\System\ZLwIxsg.exe
      C:\Windows\System\ZLwIxsg.exe
      2⤵
      • Executes dropped EXE
      PID:4480
    • C:\Windows\System\gCKCDwZ.exe
      C:\Windows\System\gCKCDwZ.exe
      2⤵
      • Executes dropped EXE
      PID:4904
    • C:\Windows\System\KGDcBtd.exe
      C:\Windows\System\KGDcBtd.exe
      2⤵
      • Executes dropped EXE
      PID:2432
    • C:\Windows\System\FlTQsKJ.exe
      C:\Windows\System\FlTQsKJ.exe
      2⤵
      • Executes dropped EXE
      PID:1888
    • C:\Windows\System\GVqWEbX.exe
      C:\Windows\System\GVqWEbX.exe
      2⤵
      • Executes dropped EXE
      PID:5080
    • C:\Windows\System\JFTjyqE.exe
      C:\Windows\System\JFTjyqE.exe
      2⤵
      • Executes dropped EXE
      PID:3132
    • C:\Windows\System\XVZjUzU.exe
      C:\Windows\System\XVZjUzU.exe
      2⤵
      • Executes dropped EXE
      PID:4948
    • C:\Windows\System\wLmSuBY.exe
      C:\Windows\System\wLmSuBY.exe
      2⤵
      • Executes dropped EXE
      PID:3940
    • C:\Windows\System\ghhspaP.exe
      C:\Windows\System\ghhspaP.exe
      2⤵
      • Executes dropped EXE
      PID:1068
    • C:\Windows\System\iwWJfcf.exe
      C:\Windows\System\iwWJfcf.exe
      2⤵
      • Executes dropped EXE
      PID:3796
    • C:\Windows\System\gztnvpE.exe
      C:\Windows\System\gztnvpE.exe
      2⤵
      • Executes dropped EXE
      PID:1608
    • C:\Windows\System\YlmyhoP.exe
      C:\Windows\System\YlmyhoP.exe
      2⤵
      • Executes dropped EXE
      PID:4016
    • C:\Windows\System\gBhzdEa.exe
      C:\Windows\System\gBhzdEa.exe
      2⤵
      • Executes dropped EXE
      PID:3348
    • C:\Windows\System\CSVbaGb.exe
      C:\Windows\System\CSVbaGb.exe
      2⤵
      • Executes dropped EXE
      PID:4524
    • C:\Windows\System\pKyzhLt.exe
      C:\Windows\System\pKyzhLt.exe
      2⤵
      • Executes dropped EXE
      PID:3888
    • C:\Windows\System\LtZdGTF.exe
      C:\Windows\System\LtZdGTF.exe
      2⤵
      • Executes dropped EXE
      PID:5028
    • C:\Windows\System\guBHrYd.exe
      C:\Windows\System\guBHrYd.exe
      2⤵
      • Executes dropped EXE
      PID:2428
    • C:\Windows\System\GWiNLpT.exe
      C:\Windows\System\GWiNLpT.exe
      2⤵
      • Executes dropped EXE
      PID:4920
    • C:\Windows\System\AtqcwsM.exe
      C:\Windows\System\AtqcwsM.exe
      2⤵
      • Executes dropped EXE
      PID:1116
    • C:\Windows\System\KPrZEBs.exe
      C:\Windows\System\KPrZEBs.exe
      2⤵
      • Executes dropped EXE
      PID:5076

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AtqcwsM.exe

        • Path C:\Windows\System\AtqcwsM.exe
        • Size 5.9MB
        • SHA256 4cae3588eee9c66cf1481ca482d049be695a43475373ad175bef68676af98922
        • MD5 SHA1 SHA512 SSDEEP

        CSVbaGb.exe

        • Path C:\Windows\System\CSVbaGb.exe
        • Size 5.9MB
        • SHA256 56b688f43a97541a12693c6a6a91c825ce15a52a8c98c403be6cb50bb75ca359
        • MD5 SHA1 SHA512 SSDEEP

        FlTQsKJ.exe

        • Path C:\Windows\System\FlTQsKJ.exe
        • Size 5.9MB
        • SHA256 e98065c6c0b3b6308375546b984b94b900d745a51c3861029d88c5a418208ae2
        • MD5 SHA1 SHA512 SSDEEP

        GVqWEbX.exe

        • Path C:\Windows\System\GVqWEbX.exe
        • Size 5.9MB
        • SHA256 0a44d026a811a3bcae35626c6e94db183264a6f027ed07ec1e8d0bcc7169b1f7
        • MD5 SHA1 SHA512 SSDEEP

        GWiNLpT.exe

        • Path C:\Windows\System\GWiNLpT.exe
        • Size 5.9MB
        • SHA256 b75ab016fa519673255567556233bf6b6f4394e3869b8d093b2146d3dbe91fb4
        • MD5 SHA1 SHA512 SSDEEP

        JFTjyqE.exe

        • Path C:\Windows\System\JFTjyqE.exe
        • Size 5.9MB
        • SHA256 9098df62e35a39c85798ae06b96165bc07bdb9f197c0b892353f0a63075fd832
        • MD5 SHA1 SHA512 SSDEEP

        KGDcBtd.exe

        • Path C:\Windows\System\KGDcBtd.exe
        • Size 5.9MB
        • SHA256 d64f5c663cab292b733f409ee86fef8c3f0fe170a1ffae6bf64835cbd4735278
        • MD5 SHA1 SHA512 SSDEEP

        KPrZEBs.exe

        • Path C:\Windows\System\KPrZEBs.exe
        • Size 5.9MB
        • SHA256 06da3cc58961b7f4861f5c106587c182dd2f82e6864b866b9234a95c5ccdad19
        • MD5 SHA1 SHA512 SSDEEP

        LtZdGTF.exe

        • Path C:\Windows\System\LtZdGTF.exe
        • Size 5.9MB
        • SHA256 848090c4378a81691f74d255d1cf048a26b3c582814d27cf473ca209d1f301a6
        • MD5 SHA1 SHA512 SSDEEP

        XVZjUzU.exe

        • Path C:\Windows\System\XVZjUzU.exe
        • Size 5.9MB
        • SHA256 7350af78582d656577be654b2640d450d86e0dcee43fc38cc058581185fb3d12
        • MD5 SHA1 SHA512 SSDEEP

        YlmyhoP.exe

        • Path C:\Windows\System\YlmyhoP.exe
        • Size 5.9MB
        • SHA256 4071e0fe598bcd71cdf0e3b3b4b3b7d38e72a39d18994e9eb9df21008218f268
        • MD5 SHA1 SHA512 SSDEEP

        ZLwIxsg.exe

        • Path C:\Windows\System\ZLwIxsg.exe
        • Size 5.9MB
        • SHA256 4c793572f805bfdf8f87b9c88a8f6c1bf5faf34b0776941516dd6b5678503292
        • MD5 SHA1 SHA512 SSDEEP

        gBhzdEa.exe

        • Path C:\Windows\System\gBhzdEa.exe
        • Size 5.9MB
        • SHA256 b2b5d24145d68a6ee98e2a48bb998fb3fef2fc92f722ceb032adcb8003d2e3d1
        • MD5 SHA1 SHA512 SSDEEP

        gCKCDwZ.exe

        • Path C:\Windows\System\gCKCDwZ.exe
        • Size 5.9MB
        • SHA256 400c6074962f1d5f82e8bad61fb753712dc663f5d9ac7b6c833c6770d7c00178
        • MD5 SHA1 SHA512 SSDEEP

        ghhspaP.exe

        • Path C:\Windows\System\ghhspaP.exe
        • Size 5.9MB
        • SHA256 ae089cef768d9d21c06f6fe5f3440fcef6e2d46e940625f8605e25bee0eb86c1
        • MD5 SHA1 SHA512 SSDEEP

        guBHrYd.exe

        • Path C:\Windows\System\guBHrYd.exe
        • Size 5.9MB
        • SHA256 a960a0e12bd85725f23ea24b89c258eacbea30120f63d17afaf765b9170c432d
        • MD5 SHA1 SHA512 SSDEEP

        gztnvpE.exe

        • Path C:\Windows\System\gztnvpE.exe
        • Size 5.9MB
        • SHA256 71c986d9948fc233d0aa19c3965e7f221187ced66251c284c804ec6d0c171270
        • MD5 SHA1 SHA512 SSDEEP

        iwWJfcf.exe

        • Path C:\Windows\System\iwWJfcf.exe
        • Size 5.9MB
        • SHA256 f9282743f30b0040c60663dbe4a69072b85fc00d1a2f14d4dcde77624eadd94f
        • MD5 SHA1 SHA512 SSDEEP

        pKyzhLt.exe

        • Path C:\Windows\System\pKyzhLt.exe
        • Size 5.9MB
        • SHA256 4579165d2b5d7c0ebc31467352747ad912184c3c8a18a9a58b6ba54735f2aebd
        • MD5 SHA1 SHA512 SSDEEP

        uhmDvfy.exe

        • Path C:\Windows\System\uhmDvfy.exe
        • Size 5.9MB
        • SHA256 688008699fa3d0892cdb5338ed9dbc2a749059ff0cc9fcf288f63d370c22ea89
        • MD5 SHA1 SHA512 SSDEEP

        wLmSuBY.exe

        • Path C:\Windows\System\wLmSuBY.exe
        • Size 5.9MB
        • SHA256 d29f0f0a12de736c9eec6cb8cce1944a8593ef987a40aaed93739bf01e486d45
        • MD5 SHA1 SHA512 SSDEEP

        memory/1068-140-0x00007FF742C00000-0x00007FF742F54000-memory.dmp

        memory/1068-116-0x00007FF742C00000-0x00007FF742F54000-memory.dmp

        memory/1116-148-0x00007FF760C70000-0x00007FF760FC4000-memory.dmp

        memory/1116-126-0x00007FF760C70000-0x00007FF760FC4000-memory.dmp

        memory/1572-128-0x00007FF6AFE30000-0x00007FF6B0184000-memory.dmp

        memory/1572-1-0x000002E7E2B00000-0x000002E7E2B10000-memory.dmp

        memory/1572-0-0x00007FF6AFE30000-0x00007FF6B0184000-memory.dmp

        memory/1608-118-0x00007FF756650000-0x00007FF7569A4000-memory.dmp

        memory/1608-145-0x00007FF756650000-0x00007FF7569A4000-memory.dmp

        memory/1888-30-0x00007FF75D620000-0x00007FF75D974000-memory.dmp

        memory/1888-135-0x00007FF75D620000-0x00007FF75D974000-memory.dmp

        memory/1888-130-0x00007FF75D620000-0x00007FF75D974000-memory.dmp

        memory/2428-149-0x00007FF6D6B80000-0x00007FF6D6ED4000-memory.dmp

        memory/2428-124-0x00007FF6D6B80000-0x00007FF6D6ED4000-memory.dmp

        memory/2432-134-0x00007FF7A0870000-0x00007FF7A0BC4000-memory.dmp

        memory/2432-29-0x00007FF7A0870000-0x00007FF7A0BC4000-memory.dmp

        memory/2432-129-0x00007FF7A0870000-0x00007FF7A0BC4000-memory.dmp

        memory/3080-9-0x00007FF6AD360000-0x00007FF6AD6B4000-memory.dmp

        memory/3080-131-0x00007FF6AD360000-0x00007FF6AD6B4000-memory.dmp

        memory/3132-113-0x00007FF796BE0000-0x00007FF796F34000-memory.dmp

        memory/3132-137-0x00007FF796BE0000-0x00007FF796F34000-memory.dmp

        memory/3348-142-0x00007FF7562D0000-0x00007FF756624000-memory.dmp

        memory/3348-120-0x00007FF7562D0000-0x00007FF756624000-memory.dmp

        memory/3796-117-0x00007FF799CD0000-0x00007FF79A024000-memory.dmp

        memory/3796-139-0x00007FF799CD0000-0x00007FF79A024000-memory.dmp

        memory/3888-151-0x00007FF7CED00000-0x00007FF7CF054000-memory.dmp

        memory/3888-122-0x00007FF7CED00000-0x00007FF7CF054000-memory.dmp

        memory/3940-141-0x00007FF7ECC50000-0x00007FF7ECFA4000-memory.dmp

        memory/3940-115-0x00007FF7ECC50000-0x00007FF7ECFA4000-memory.dmp

        memory/4016-119-0x00007FF7E3E30000-0x00007FF7E4184000-memory.dmp

        memory/4016-144-0x00007FF7E3E30000-0x00007FF7E4184000-memory.dmp

        memory/4480-132-0x00007FF604EF0000-0x00007FF605244000-memory.dmp

        memory/4480-14-0x00007FF604EF0000-0x00007FF605244000-memory.dmp

        memory/4524-143-0x00007FF7B87D0000-0x00007FF7B8B24000-memory.dmp

        memory/4524-121-0x00007FF7B87D0000-0x00007FF7B8B24000-memory.dmp

        memory/4904-20-0x00007FF7695D0000-0x00007FF769924000-memory.dmp

        memory/4904-133-0x00007FF7695D0000-0x00007FF769924000-memory.dmp

        memory/4920-147-0x00007FF6AC100000-0x00007FF6AC454000-memory.dmp

        memory/4920-125-0x00007FF6AC100000-0x00007FF6AC454000-memory.dmp

        memory/4948-138-0x00007FF618B80000-0x00007FF618ED4000-memory.dmp

        memory/4948-114-0x00007FF618B80000-0x00007FF618ED4000-memory.dmp

        memory/5028-150-0x00007FF6D09C0000-0x00007FF6D0D14000-memory.dmp

        memory/5028-123-0x00007FF6D09C0000-0x00007FF6D0D14000-memory.dmp

        memory/5076-146-0x00007FF60DA70000-0x00007FF60DDC4000-memory.dmp

        memory/5076-127-0x00007FF60DA70000-0x00007FF60DDC4000-memory.dmp

        memory/5080-37-0x00007FF62DE60000-0x00007FF62E1B4000-memory.dmp

        memory/5080-136-0x00007FF62DE60000-0x00007FF62E1B4000-memory.dmp