Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 21:50

General

  • Target
    2024-04-16_4c6de339cac051a6638b0ecbc1271746_cobalt-strike_cobaltstrike.exe
  • Size 5.2MB
  • Sample240416-1p2aesde74
  • SHA256 e6a01fcc8309bc070ad9ae44c8256794770588170d7ba9c431c3c94f833949d5
  • 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 48 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\2024-04-16_4c6de339cac051a6638b0ecbc1271746_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-16_4c6de339cac051a6638b0ecbc1271746_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Windows\System\jEfRIJh.exe
      C:\Windows\System\jEfRIJh.exe
      2⤵
      • Executes dropped EXE
      PID:2448
    • C:\Windows\System\nZrnsJp.exe
      C:\Windows\System\nZrnsJp.exe
      2⤵
      • Executes dropped EXE
      PID:452
    • C:\Windows\System\USTbfLY.exe
      C:\Windows\System\USTbfLY.exe
      2⤵
      • Executes dropped EXE
      PID:3268
    • C:\Windows\System\NXjroZh.exe
      C:\Windows\System\NXjroZh.exe
      2⤵
      • Executes dropped EXE
      PID:4700
    • C:\Windows\System\ehdQbyT.exe
      C:\Windows\System\ehdQbyT.exe
      2⤵
      • Executes dropped EXE
      PID:3580
    • C:\Windows\System\EEIVsuA.exe
      C:\Windows\System\EEIVsuA.exe
      2⤵
      • Executes dropped EXE
      PID:4968
    • C:\Windows\System\GRbsPuy.exe
      C:\Windows\System\GRbsPuy.exe
      2⤵
      • Executes dropped EXE
      PID:3324
    • C:\Windows\System\kIrhpwq.exe
      C:\Windows\System\kIrhpwq.exe
      2⤵
      • Executes dropped EXE
      PID:3752
    • C:\Windows\System\RGqyema.exe
      C:\Windows\System\RGqyema.exe
      2⤵
      • Executes dropped EXE
      PID:1296
    • C:\Windows\System\cjlzISG.exe
      C:\Windows\System\cjlzISG.exe
      2⤵
      • Executes dropped EXE
      PID:1944
    • C:\Windows\System\bFoPSgm.exe
      C:\Windows\System\bFoPSgm.exe
      2⤵
      • Executes dropped EXE
      PID:2012
    • C:\Windows\System\iIogZvr.exe
      C:\Windows\System\iIogZvr.exe
      2⤵
      • Executes dropped EXE
      PID:1500
    • C:\Windows\System\bHkZyoT.exe
      C:\Windows\System\bHkZyoT.exe
      2⤵
      • Executes dropped EXE
      PID:1152
    • C:\Windows\System\nSZOBei.exe
      C:\Windows\System\nSZOBei.exe
      2⤵
      • Executes dropped EXE
      PID:4648
    • C:\Windows\System\MSwRJeD.exe
      C:\Windows\System\MSwRJeD.exe
      2⤵
      • Executes dropped EXE
      PID:5052
    • C:\Windows\System\gYtzJBu.exe
      C:\Windows\System\gYtzJBu.exe
      2⤵
      • Executes dropped EXE
      PID:2172
    • C:\Windows\System\qtLJwvm.exe
      C:\Windows\System\qtLJwvm.exe
      2⤵
      • Executes dropped EXE
      PID:3256
    • C:\Windows\System\czyThEZ.exe
      C:\Windows\System\czyThEZ.exe
      2⤵
      • Executes dropped EXE
      PID:2648
    • C:\Windows\System\ThYAqAu.exe
      C:\Windows\System\ThYAqAu.exe
      2⤵
      • Executes dropped EXE
      PID:4724
    • C:\Windows\System\jnnPANM.exe
      C:\Windows\System\jnnPANM.exe
      2⤵
      • Executes dropped EXE
      PID:2716
    • C:\Windows\System\HVooefM.exe
      C:\Windows\System\HVooefM.exe
      2⤵
      • Executes dropped EXE
      PID:464

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        EEIVsuA.exe

        • Path C:\Windows\System\EEIVsuA.exe
        • Size 5.2MB
        • SHA256 ec74edeb5250d2d8bef370b0b79025eadc264f186f8eb9d2960497b75e30555e
        • MD5 SHA1 SHA512 SSDEEP

        GRbsPuy.exe

        • Path C:\Windows\System\GRbsPuy.exe
        • Size 5.2MB
        • SHA256 785b27685f504b5494a07ce17a74e311815a7e27d1ed19984c354a5a803e2822
        • MD5 SHA1 SHA512 SSDEEP

        HVooefM.exe

        • Path C:\Windows\System\HVooefM.exe
        • Size 5.2MB
        • SHA256 2f854e7a6e9a0e66d958103a3dd619cc168d4cd15cab4a72249059fcb1105c89
        • MD5 SHA1 SHA512 SSDEEP

        MSwRJeD.exe

        • Path C:\Windows\System\MSwRJeD.exe
        • Size 5.2MB
        • SHA256 4b157a86f4ebcda43ab33ded02dfed3c6cfa1961761d1ca7cba43933044c49ec
        • MD5 SHA1 SHA512 SSDEEP

        NXjroZh.exe

        • Path C:\Windows\System\NXjroZh.exe
        • Size 5.2MB
        • SHA256 67d4ff1b93df4482dc27ab14e0c35d5e623e99ad9f0c3c944cf5a0ef0cdbae18
        • MD5 SHA1 SHA512 SSDEEP

        RGqyema.exe

        • Path C:\Windows\System\RGqyema.exe
        • Size 5.2MB
        • SHA256 ac8da915e31ed447104e5a5585ee800db331eaf6c3b5792a0592cc6e84bf41bb
        • MD5 SHA1 SHA512 SSDEEP

        ThYAqAu.exe

        • Path C:\Windows\System\ThYAqAu.exe
        • Size 5.2MB
        • SHA256 3a1d50dd19d47aa96e5e2e614bf7e2fe522d669c99678dfc6ab78d6dd16e9a95
        • MD5 SHA1 SHA512 SSDEEP

        USTbfLY.exe

        • Path C:\Windows\System\USTbfLY.exe
        • Size 5.2MB
        • SHA256 c43fada87758d6def4aac71e64a4734f37d430f69c6ef918511e41c705f3b001
        • MD5 SHA1 SHA512 SSDEEP

        bFoPSgm.exe

        • Path C:\Windows\System\bFoPSgm.exe
        • Size 5.2MB
        • SHA256 c46873adc85c0de221847c6683d707f1c978edb71907a61fba792e4d733ae75d
        • MD5 SHA1 SHA512 SSDEEP

        bHkZyoT.exe

        • Path C:\Windows\System\bHkZyoT.exe
        • Size 5.2MB
        • SHA256 e702499d767dd44bb9f2362e987b45b31ea3f69b8ce29bdf9ecbe730704b4f63
        • MD5 SHA1 SHA512 SSDEEP

        cjlzISG.exe

        • Path C:\Windows\System\cjlzISG.exe
        • Size 5.2MB
        • SHA256 d63614b83e4e3d3a14e62bc2b78238c6aeb5ca0f1d91a622e27b368341acf37f
        • MD5 SHA1 SHA512 SSDEEP

        czyThEZ.exe

        • Path C:\Windows\System\czyThEZ.exe
        • Size 5.2MB
        • SHA256 b08fcfd6502d1feda89e32aed1b883986304c17166145064d17b4af0f3fbe6ed
        • MD5 SHA1 SHA512 SSDEEP

        ehdQbyT.exe

        • Path C:\Windows\System\ehdQbyT.exe
        • Size 5.2MB
        • SHA256 6e764533afbb5ea4c6ef4ccb5d2fa5670c9edf1625dba1f386f25ed39aa9843e
        • MD5 SHA1 SHA512 SSDEEP

        gYtzJBu.exe

        • Path C:\Windows\System\gYtzJBu.exe
        • Size 5.2MB
        • SHA256 c46a05496de0b1fd0a41366cfde715136b95205545ec24a3a98697752ce47870
        • MD5 SHA1 SHA512 SSDEEP

        iIogZvr.exe

        • Path C:\Windows\System\iIogZvr.exe
        • Size 5.2MB
        • SHA256 cdb6fd5865d4a4b48f6dbb545844aed45aca94232c200aca99549a478bca5b4f
        • MD5 SHA1 SHA512 SSDEEP

        jEfRIJh.exe

        • Path C:\Windows\System\jEfRIJh.exe
        • Size 5.2MB
        • SHA256 1a73047c8f3ec404acd1fd6d65e864caa098e6fa6c26cfc67ca562c5ec001cd6
        • MD5 SHA1 SHA512 SSDEEP

        jnnPANM.exe

        • Path C:\Windows\System\jnnPANM.exe
        • Size 5.2MB
        • SHA256 9f3b109d90691221ec4f5154efe9921a4962601655c32ff6d8397dcada29ee15
        • MD5 SHA1 SHA512 SSDEEP

        kIrhpwq.exe

        • Path C:\Windows\System\kIrhpwq.exe
        • Size 5.2MB
        • SHA256 b99a8f8d93aed0b26d40360839f4d66fe2faf218b2a53648b850141ca6c54173
        • MD5 SHA1 SHA512 SSDEEP

        nSZOBei.exe

        • Path C:\Windows\System\nSZOBei.exe
        • Size 5.2MB
        • SHA256 56ce384f52289b283a7a5377cbad1c7d7152ccad07f47415de924a89ce66f7e4
        • MD5 SHA1 SHA512 SSDEEP

        nZrnsJp.exe

        • Path C:\Windows\System\nZrnsJp.exe
        • Size 5.2MB
        • SHA256 e49c37c2b63fc18978f63be7a7f7dcc89bf1190ef9f835b2ef2d2b7a60a79b31
        • MD5 SHA1 SHA512 SSDEEP

        qtLJwvm.exe

        • Path C:\Windows\System\qtLJwvm.exe
        • Size 5.2MB
        • SHA256 589f8ffe9d384bc9ff5ea302b406521f17fb77bda4642a187231065b434d136b
        • MD5 SHA1 SHA512 SSDEEP

        memory/452-198-0x00007FF6D7C80000-0x00007FF6D7FD1000-memory.dmp

        memory/452-120-0x00007FF6D7C80000-0x00007FF6D7FD1000-memory.dmp

        memory/464-250-0x00007FF73D680000-0x00007FF73D9D1000-memory.dmp

        memory/464-127-0x00007FF73D680000-0x00007FF73D9D1000-memory.dmp

        memory/1152-232-0x00007FF6395E0000-0x00007FF639931000-memory.dmp

        memory/1152-104-0x00007FF6395E0000-0x00007FF639931000-memory.dmp

        memory/1296-123-0x00007FF63A6A0000-0x00007FF63A9F1000-memory.dmp

        memory/1296-225-0x00007FF63A6A0000-0x00007FF63A9F1000-memory.dmp

        memory/1500-96-0x00007FF7A5B60000-0x00007FF7A5EB1000-memory.dmp

        memory/1500-140-0x00007FF7A5B60000-0x00007FF7A5EB1000-memory.dmp

        memory/1500-236-0x00007FF7A5B60000-0x00007FF7A5EB1000-memory.dmp

        memory/1944-209-0x00007FF74CB00000-0x00007FF74CE51000-memory.dmp

        memory/1944-80-0x00007FF74CB00000-0x00007FF74CE51000-memory.dmp

        memory/2012-239-0x00007FF610C20000-0x00007FF610F71000-memory.dmp

        memory/2012-108-0x00007FF610C20000-0x00007FF610F71000-memory.dmp

        memory/2172-114-0x00007FF7183A0000-0x00007FF7186F1000-memory.dmp

        memory/2172-242-0x00007FF7183A0000-0x00007FF7186F1000-memory.dmp

        memory/2448-14-0x00007FF7580B0000-0x00007FF758401000-memory.dmp

        memory/2448-196-0x00007FF7580B0000-0x00007FF758401000-memory.dmp

        memory/2448-129-0x00007FF7580B0000-0x00007FF758401000-memory.dmp

        memory/2648-118-0x00007FF674180000-0x00007FF6744D1000-memory.dmp

        memory/2648-237-0x00007FF674180000-0x00007FF6744D1000-memory.dmp

        memory/2716-254-0x00007FF646F80000-0x00007FF6472D1000-memory.dmp

        memory/2716-119-0x00007FF646F80000-0x00007FF6472D1000-memory.dmp

        memory/3256-125-0x00007FF654230000-0x00007FF654581000-memory.dmp

        memory/3256-243-0x00007FF654230000-0x00007FF654581000-memory.dmp

        memory/3268-131-0x00007FF7039D0000-0x00007FF703D21000-memory.dmp

        memory/3268-25-0x00007FF7039D0000-0x00007FF703D21000-memory.dmp

        memory/3268-205-0x00007FF7039D0000-0x00007FF703D21000-memory.dmp

        memory/3324-54-0x00007FF683FB0000-0x00007FF684301000-memory.dmp

        memory/3324-135-0x00007FF683FB0000-0x00007FF684301000-memory.dmp

        memory/3324-214-0x00007FF683FB0000-0x00007FF684301000-memory.dmp

        memory/3580-133-0x00007FF6253B0000-0x00007FF625701000-memory.dmp

        memory/3580-217-0x00007FF6253B0000-0x00007FF625701000-memory.dmp

        memory/3580-40-0x00007FF6253B0000-0x00007FF625701000-memory.dmp

        memory/3752-224-0x00007FF738370000-0x00007FF7386C1000-memory.dmp

        memory/3752-136-0x00007FF738370000-0x00007FF7386C1000-memory.dmp

        memory/3752-70-0x00007FF738370000-0x00007FF7386C1000-memory.dmp

        memory/4604-1-0x000001E49DC50000-0x000001E49DC60000-memory.dmp

        memory/4604-150-0x00007FF6AC5C0000-0x00007FF6AC911000-memory.dmp

        memory/4604-128-0x00007FF6AC5C0000-0x00007FF6AC911000-memory.dmp

        memory/4604-0-0x00007FF6AC5C0000-0x00007FF6AC911000-memory.dmp

        memory/4604-172-0x00007FF6AC5C0000-0x00007FF6AC911000-memory.dmp

        memory/4648-115-0x00007FF666E70000-0x00007FF6671C1000-memory.dmp

        memory/4648-252-0x00007FF666E70000-0x00007FF6671C1000-memory.dmp

        memory/4700-218-0x00007FF70E5E0000-0x00007FF70E931000-memory.dmp

        memory/4700-121-0x00007FF70E5E0000-0x00007FF70E931000-memory.dmp

        memory/4724-251-0x00007FF789AD0000-0x00007FF789E21000-memory.dmp

        memory/4724-126-0x00007FF789AD0000-0x00007FF789E21000-memory.dmp

        memory/4968-216-0x00007FF787360000-0x00007FF7876B1000-memory.dmp

        memory/4968-122-0x00007FF787360000-0x00007FF7876B1000-memory.dmp

        memory/5052-230-0x00007FF784A70000-0x00007FF784DC1000-memory.dmp

        memory/5052-124-0x00007FF784A70000-0x00007FF784DC1000-memory.dmp