Analysis

  • max time kernel
    137s
  • 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
    31/05/2024, 23:57

General

  • Target
    2024-05-31_ae874c2369a506659cab949431265e67_cobalt-strike_cobaltstrike.exe
  • Size 6.0MB
  • Sample240531-3z2eaaba59
  • SHA256 517bdbf155a63b02f11654281e68f8914796e5553d732c2806d139c16534ca4e
  • 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_ae874c2369a506659cab949431265e67_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_ae874c2369a506659cab949431265e67_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Windows\System\kRBTuhS.exe
      C:\Windows\System\kRBTuhS.exe
      2⤵
      • Executes dropped EXE
      PID:1604
    • C:\Windows\System\MQolYzD.exe
      C:\Windows\System\MQolYzD.exe
      2⤵
      • Executes dropped EXE
      PID:432
    • C:\Windows\System\uzVIwhJ.exe
      C:\Windows\System\uzVIwhJ.exe
      2⤵
      • Executes dropped EXE
      PID:1856
    • C:\Windows\System\gxTAIOZ.exe
      C:\Windows\System\gxTAIOZ.exe
      2⤵
      • Executes dropped EXE
      PID:1952
    • C:\Windows\System\CVspCSa.exe
      C:\Windows\System\CVspCSa.exe
      2⤵
      • Executes dropped EXE
      PID:4548
    • C:\Windows\System\qAVHaCq.exe
      C:\Windows\System\qAVHaCq.exe
      2⤵
      • Executes dropped EXE
      PID:3932
    • C:\Windows\System\DMEJXCk.exe
      C:\Windows\System\DMEJXCk.exe
      2⤵
      • Executes dropped EXE
      PID:2016
    • C:\Windows\System\CTrIXGs.exe
      C:\Windows\System\CTrIXGs.exe
      2⤵
      • Executes dropped EXE
      PID:4252
    • C:\Windows\System\tNsRpkJ.exe
      C:\Windows\System\tNsRpkJ.exe
      2⤵
      • Executes dropped EXE
      PID:5116
    • C:\Windows\System\qzQdzaO.exe
      C:\Windows\System\qzQdzaO.exe
      2⤵
      • Executes dropped EXE
      PID:4960
    • C:\Windows\System\QkLYbfD.exe
      C:\Windows\System\QkLYbfD.exe
      2⤵
      • Executes dropped EXE
      PID:1584
    • C:\Windows\System\OxGZffy.exe
      C:\Windows\System\OxGZffy.exe
      2⤵
      • Executes dropped EXE
      PID:4956
    • C:\Windows\System\DBHWFDT.exe
      C:\Windows\System\DBHWFDT.exe
      2⤵
      • Executes dropped EXE
      PID:3312
    • C:\Windows\System\aLpRTUe.exe
      C:\Windows\System\aLpRTUe.exe
      2⤵
      • Executes dropped EXE
      PID:2564
    • C:\Windows\System\mJkZlKX.exe
      C:\Windows\System\mJkZlKX.exe
      2⤵
      • Executes dropped EXE
      PID:2516
    • C:\Windows\System\pvlpTnI.exe
      C:\Windows\System\pvlpTnI.exe
      2⤵
      • Executes dropped EXE
      PID:4356
    • C:\Windows\System\COYcIJW.exe
      C:\Windows\System\COYcIJW.exe
      2⤵
      • Executes dropped EXE
      PID:216
    • C:\Windows\System\owkIcVK.exe
      C:\Windows\System\owkIcVK.exe
      2⤵
      • Executes dropped EXE
      PID:4184
    • C:\Windows\System\LlDrurp.exe
      C:\Windows\System\LlDrurp.exe
      2⤵
      • Executes dropped EXE
      PID:4400
    • C:\Windows\System\ITpCnUH.exe
      C:\Windows\System\ITpCnUH.exe
      2⤵
      • Executes dropped EXE
      PID:3532
    • C:\Windows\System\CgGdAST.exe
      C:\Windows\System\CgGdAST.exe
      2⤵
      • Executes dropped EXE
      PID:1376

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        COYcIJW.exe

        • Path C:\Windows\System\COYcIJW.exe
        • Size 6.0MB
        • SHA256 72582fd0db17a9f2f4898cef44600e82d0217c31d3d524e49b8ee234f44d580d
        • MD5 SHA1 SHA512 SSDEEP

        CTrIXGs.exe

        • Path C:\Windows\System\CTrIXGs.exe
        • Size 6.0MB
        • SHA256 5681896cadca79c9edbdafc6e65eabd8ae7eaeba8664bc39bde758c5b2bcc5ad
        • MD5 SHA1 SHA512 SSDEEP

        CVspCSa.exe

        • Path C:\Windows\System\CVspCSa.exe
        • Size 6.0MB
        • SHA256 4322b5aed0f85879907fac596ec7dba36a77240fd3a520950afa79947a6f5dc8
        • MD5 SHA1 SHA512 SSDEEP

        CgGdAST.exe

        • Path C:\Windows\System\CgGdAST.exe
        • Size 6.0MB
        • SHA256 2beae0a318b665ba247f4b18e09cf0769164113c945e525a96e6af6702d293d6
        • MD5 SHA1 SHA512 SSDEEP

        DBHWFDT.exe

        • Path C:\Windows\System\DBHWFDT.exe
        • Size 6.0MB
        • SHA256 9ae0af1c29569dc5a11d61687579789c302d8af4653d82185a8672115fa9737b
        • MD5 SHA1 SHA512 SSDEEP

        DMEJXCk.exe

        • Path C:\Windows\System\DMEJXCk.exe
        • Size 6.0MB
        • SHA256 2fd18395757cf7ff5d3155b916607317929ec98349420af1ddc93c134034ab66
        • MD5 SHA1 SHA512 SSDEEP

        ITpCnUH.exe

        • Path C:\Windows\System\ITpCnUH.exe
        • Size 6.0MB
        • SHA256 6fc969f89b01e97b319ecf0a100fb3dac951d28fa7eb3ba18aca2c23e0488aba
        • MD5 SHA1 SHA512 SSDEEP

        LlDrurp.exe

        • Path C:\Windows\System\LlDrurp.exe
        • Size 6.0MB
        • SHA256 f28e211642cdfd8551b80a4316288e496de9063f9869ee3b421ab60c543d6906
        • MD5 SHA1 SHA512 SSDEEP

        MQolYzD.exe

        • Path C:\Windows\System\MQolYzD.exe
        • Size 6.0MB
        • SHA256 1e3b87e47dededac09385f2021bc5f643a61f1c55bf59a2236d9105e41d87f0c
        • MD5 SHA1 SHA512 SSDEEP

        OxGZffy.exe

        • Path C:\Windows\System\OxGZffy.exe
        • Size 6.0MB
        • SHA256 9d69de4698f1c07835e74bf26d8e18750e502a59b66124772b835d13d5027515
        • MD5 SHA1 SHA512 SSDEEP

        QkLYbfD.exe

        • Path C:\Windows\System\QkLYbfD.exe
        • Size 6.0MB
        • SHA256 64e443372c2df55946566b2987bd0029c3cbf4bb986bf93fd0883135f2a62a47
        • MD5 SHA1 SHA512 SSDEEP

        aLpRTUe.exe

        • Path C:\Windows\System\aLpRTUe.exe
        • Size 6.0MB
        • SHA256 f91c75890a553eff400bf42df4434fdffedc992e05a28bbc1a50be55ee1bced5
        • MD5 SHA1 SHA512 SSDEEP

        gxTAIOZ.exe

        • Path C:\Windows\System\gxTAIOZ.exe
        • Size 6.0MB
        • SHA256 0369dd50349f4637a8acb3f9a06e9b8770d13d2f81947e8d9920755dd5f58757
        • MD5 SHA1 SHA512 SSDEEP

        kRBTuhS.exe

        • Path C:\Windows\System\kRBTuhS.exe
        • Size 6.0MB
        • SHA256 f4fbddee140ad46e1646a3c06df36d20d0f25bc8db655a8e68e6f168f872bb4f
        • MD5 SHA1 SHA512 SSDEEP

        mJkZlKX.exe

        • Path C:\Windows\System\mJkZlKX.exe
        • Size 6.0MB
        • SHA256 ce746606526b5db3dfc7e5a1cd3caf0a2bd412e6a31a2725332c6f94ce40c1ea
        • MD5 SHA1 SHA512 SSDEEP

        owkIcVK.exe

        • Path C:\Windows\System\owkIcVK.exe
        • Size 6.0MB
        • SHA256 70db01fb5767b9fe3e348924a7041a8417352fc17733040f1f10ee83698383b4
        • MD5 SHA1 SHA512 SSDEEP

        pvlpTnI.exe

        • Path C:\Windows\System\pvlpTnI.exe
        • Size 6.0MB
        • SHA256 2fb581834889b0eba637e8a1892528e0313b663eecdd915aef6e21df39c7a63b
        • MD5 SHA1 SHA512 SSDEEP

        qAVHaCq.exe

        • Path C:\Windows\System\qAVHaCq.exe
        • Size 6.0MB
        • SHA256 7d68f641fef9dc5b296232f61bb6eb49789ff27ad8a1ee69fa94b0f796687dcb
        • MD5 SHA1 SHA512 SSDEEP

        qzQdzaO.exe

        • Path C:\Windows\System\qzQdzaO.exe
        • Size 6.0MB
        • SHA256 bf916b216c9a95bb437b1a09683f9b3c855d05e96db83cf0367a2b5af44dec1d
        • MD5 SHA1 SHA512 SSDEEP

        tNsRpkJ.exe

        • Path C:\Windows\System\tNsRpkJ.exe
        • Size 6.0MB
        • SHA256 f77ce05f69afd5faaf0887fe22478657c6b6739098f50e1668dadc044a2bc23d
        • MD5 SHA1 SHA512 SSDEEP

        uzVIwhJ.exe

        • Path C:\Windows\System\uzVIwhJ.exe
        • Size 6.0MB
        • SHA256 11ad6ced57e227c33193c24ec379d504781f41111da32910723228b005859866
        • MD5 SHA1 SHA512 SSDEEP

        memory/216-154-0x00007FF653D70000-0x00007FF6540C4000-memory.dmp

        memory/216-115-0x00007FF653D70000-0x00007FF6540C4000-memory.dmp

        memory/432-14-0x00007FF63A010000-0x00007FF63A364000-memory.dmp

        memory/432-139-0x00007FF63A010000-0x00007FF63A364000-memory.dmp

        memory/432-76-0x00007FF63A010000-0x00007FF63A364000-memory.dmp

        memory/1376-129-0x00007FF7AE640000-0x00007FF7AE994000-memory.dmp

        memory/1376-156-0x00007FF7AE640000-0x00007FF7AE994000-memory.dmp

        memory/1584-70-0x00007FF62FE30000-0x00007FF630184000-memory.dmp

        memory/1584-133-0x00007FF62FE30000-0x00007FF630184000-memory.dmp

        memory/1584-149-0x00007FF62FE30000-0x00007FF630184000-memory.dmp

        memory/1604-8-0x00007FF7F00D0000-0x00007FF7F0424000-memory.dmp

        memory/1604-69-0x00007FF7F00D0000-0x00007FF7F0424000-memory.dmp

        memory/1604-138-0x00007FF7F00D0000-0x00007FF7F0424000-memory.dmp

        memory/1856-20-0x00007FF716A70000-0x00007FF716DC4000-memory.dmp

        memory/1856-140-0x00007FF716A70000-0x00007FF716DC4000-memory.dmp

        memory/1952-27-0x00007FF7DEE40000-0x00007FF7DF194000-memory.dmp

        memory/1952-141-0x00007FF7DEE40000-0x00007FF7DF194000-memory.dmp

        memory/2016-144-0x00007FF6948C0000-0x00007FF694C14000-memory.dmp

        memory/2016-45-0x00007FF6948C0000-0x00007FF694C14000-memory.dmp

        memory/2392-0-0x00007FF6B0CC0000-0x00007FF6B1014000-memory.dmp

        memory/2392-1-0x000001EF53950000-0x000001EF53960000-memory.dmp

        memory/2392-60-0x00007FF6B0CC0000-0x00007FF6B1014000-memory.dmp

        memory/2516-96-0x00007FF7CBA60000-0x00007FF7CBDB4000-memory.dmp

        memory/2516-152-0x00007FF7CBA60000-0x00007FF7CBDB4000-memory.dmp

        memory/2516-136-0x00007FF7CBA60000-0x00007FF7CBDB4000-memory.dmp

        memory/2564-89-0x00007FF7E79C0000-0x00007FF7E7D14000-memory.dmp

        memory/2564-150-0x00007FF7E79C0000-0x00007FF7E7D14000-memory.dmp

        memory/2564-135-0x00007FF7E79C0000-0x00007FF7E7D14000-memory.dmp

        memory/3312-83-0x00007FF6E61D0000-0x00007FF6E6524000-memory.dmp

        memory/3312-134-0x00007FF6E61D0000-0x00007FF6E6524000-memory.dmp

        memory/3312-151-0x00007FF6E61D0000-0x00007FF6E6524000-memory.dmp

        memory/3532-157-0x00007FF60C260000-0x00007FF60C5B4000-memory.dmp

        memory/3532-131-0x00007FF60C260000-0x00007FF60C5B4000-memory.dmp

        memory/3932-37-0x00007FF780D30000-0x00007FF781084000-memory.dmp

        memory/3932-101-0x00007FF780D30000-0x00007FF781084000-memory.dmp

        memory/3932-143-0x00007FF780D30000-0x00007FF781084000-memory.dmp

        memory/4184-155-0x00007FF644180000-0x00007FF6444D4000-memory.dmp

        memory/4184-130-0x00007FF644180000-0x00007FF6444D4000-memory.dmp

        memory/4252-145-0x00007FF6C2EB0000-0x00007FF6C3204000-memory.dmp

        memory/4252-57-0x00007FF6C2EB0000-0x00007FF6C3204000-memory.dmp

        memory/4356-153-0x00007FF629600000-0x00007FF629954000-memory.dmp

        memory/4356-104-0x00007FF629600000-0x00007FF629954000-memory.dmp

        memory/4400-137-0x00007FF613E40000-0x00007FF614194000-memory.dmp

        memory/4400-128-0x00007FF613E40000-0x00007FF614194000-memory.dmp

        memory/4400-158-0x00007FF613E40000-0x00007FF614194000-memory.dmp

        memory/4548-32-0x00007FF70EC30000-0x00007FF70EF84000-memory.dmp

        memory/4548-142-0x00007FF70EC30000-0x00007FF70EF84000-memory.dmp

        memory/4956-148-0x00007FF7F7600000-0x00007FF7F7954000-memory.dmp

        memory/4956-77-0x00007FF7F7600000-0x00007FF7F7954000-memory.dmp

        memory/4960-147-0x00007FF739260000-0x00007FF7395B4000-memory.dmp

        memory/4960-68-0x00007FF739260000-0x00007FF7395B4000-memory.dmp

        memory/4960-132-0x00007FF739260000-0x00007FF7395B4000-memory.dmp

        memory/5116-59-0x00007FF7262D0000-0x00007FF726624000-memory.dmp

        memory/5116-146-0x00007FF7262D0000-0x00007FF726624000-memory.dmp