Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/11/2024, 15:24

General

  • Target
    2024-11-17_21f308bf659eb603b4df09f06e7f6641_cobalt-strike_cobaltstrike_poet-rat.exe
  • Size 5.2MB
  • Sample241117-stctmaxldq
  • SHA256 8ee6a69509b3669509d7fad8f87452cd8598f6221a0673b1e8f8796dec77c2c2
  • 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.

  • Cobaltstrike family
  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 37 IoCs
  • Executes dropped EXE 21 IoCs
  • Loads dropped DLL 21 IoCs
  • UPX packed file 58 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 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-17_21f308bf659eb603b4df09f06e7f6641_cobalt-strike_cobaltstrike_poet-rat.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-17_21f308bf659eb603b4df09f06e7f6641_cobalt-strike_cobaltstrike_poet-rat.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Windows\System\SfdhKqj.exe
      C:\Windows\System\SfdhKqj.exe
      2⤵
      • Executes dropped EXE
      PID:1892
    • C:\Windows\System\QplkdKz.exe
      C:\Windows\System\QplkdKz.exe
      2⤵
      • Executes dropped EXE
      PID:2304
    • C:\Windows\System\SbVyjcd.exe
      C:\Windows\System\SbVyjcd.exe
      2⤵
      • Executes dropped EXE
      PID:2476
    • C:\Windows\System\NPfyVwx.exe
      C:\Windows\System\NPfyVwx.exe
      2⤵
      • Executes dropped EXE
      PID:3056
    • C:\Windows\System\mKmHuyy.exe
      C:\Windows\System\mKmHuyy.exe
      2⤵
      • Executes dropped EXE
      PID:2348
    • C:\Windows\System\RxqWgWC.exe
      C:\Windows\System\RxqWgWC.exe
      2⤵
      • Executes dropped EXE
      PID:2200
    • C:\Windows\System\JlRDcYx.exe
      C:\Windows\System\JlRDcYx.exe
      2⤵
      • Executes dropped EXE
      PID:2860
    • C:\Windows\System\fatNXXu.exe
      C:\Windows\System\fatNXXu.exe
      2⤵
      • Executes dropped EXE
      PID:2920
    • C:\Windows\System\ceSaiun.exe
      C:\Windows\System\ceSaiun.exe
      2⤵
      • Executes dropped EXE
      PID:2780
    • C:\Windows\System\GrmROuv.exe
      C:\Windows\System\GrmROuv.exe
      2⤵
      • Executes dropped EXE
      PID:2840
    • C:\Windows\System\NJCRHrS.exe
      C:\Windows\System\NJCRHrS.exe
      2⤵
      • Executes dropped EXE
      PID:2808
    • C:\Windows\System\ZaXlcQJ.exe
      C:\Windows\System\ZaXlcQJ.exe
      2⤵
      • Executes dropped EXE
      PID:2792
    • C:\Windows\System\LEHGdYM.exe
      C:\Windows\System\LEHGdYM.exe
      2⤵
      • Executes dropped EXE
      PID:2672
    • C:\Windows\System\OyJuRXm.exe
      C:\Windows\System\OyJuRXm.exe
      2⤵
      • Executes dropped EXE
      PID:1956
    • C:\Windows\System\PUJmwiW.exe
      C:\Windows\System\PUJmwiW.exe
      2⤵
      • Executes dropped EXE
      PID:2144
    • C:\Windows\System\TVPMFDg.exe
      C:\Windows\System\TVPMFDg.exe
      2⤵
      • Executes dropped EXE
      PID:2892
    • C:\Windows\System\SnqNuAz.exe
      C:\Windows\System\SnqNuAz.exe
      2⤵
      • Executes dropped EXE
      PID:692
    • C:\Windows\System\sXNVwau.exe
      C:\Windows\System\sXNVwau.exe
      2⤵
      • Executes dropped EXE
      PID:2996
    • C:\Windows\System\LrnQApS.exe
      C:\Windows\System\LrnQApS.exe
      2⤵
      • Executes dropped EXE
      PID:332
    • C:\Windows\System\LpWgPdj.exe
      C:\Windows\System\LpWgPdj.exe
      2⤵
      • Executes dropped EXE
      PID:1800
    • C:\Windows\System\gtoTYBJ.exe
      C:\Windows\System\gtoTYBJ.exe
      2⤵
      • Executes dropped EXE
      PID:1848

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        GrmROuv.exe

        • Path C:\Windows\system\GrmROuv.exe
        • Size 5.2MB
        • SHA256 6023c538c5cc0d3a7c0bb3df5463c3b9ca97138466f8aaa0756492308ff92094
        • MD5 SHA1 SHA512 SSDEEP

        JlRDcYx.exe

        • Path C:\Windows\system\JlRDcYx.exe
        • Size 5.2MB
        • SHA256 30256117cf592d0df167fd95c341058361fe3995adf1432b03d0f82985e256c7
        • MD5 SHA1 SHA512 SSDEEP

        LEHGdYM.exe

        • Path C:\Windows\system\LEHGdYM.exe
        • Size 5.2MB
        • SHA256 340c189e6efb7d95e7990a2f24741a590730674de8d8964a8c457938ae00ae12
        • MD5 SHA1 SHA512 SSDEEP

        LpWgPdj.exe

        • Path C:\Windows\system\LpWgPdj.exe
        • Size 5.2MB
        • SHA256 442c2c30a449ceb5aa84ffc4da4e4370951827ea9614281178796ff6ee37b3f2
        • MD5 SHA1 SHA512 SSDEEP

        LrnQApS.exe

        • Path C:\Windows\system\LrnQApS.exe
        • Size 5.2MB
        • SHA256 449347cbfd69fbccc7fadd390830c52550ad5669625a6cd12d0ab8ec4524e84c
        • MD5 SHA1 SHA512 SSDEEP

        NJCRHrS.exe

        • Path C:\Windows\system\NJCRHrS.exe
        • Size 5.2MB
        • SHA256 8e3bdede05422bff172952d74d359a04cffbfeead774627088a47ec69a269803
        • MD5 SHA1 SHA512 SSDEEP

        NPfyVwx.exe

        • Path C:\Windows\system\NPfyVwx.exe
        • Size 5.2MB
        • SHA256 ec8327c9960b66602009c46336eed16bff79146e990fc39178cbdd37f046f12d
        • MD5 SHA1 SHA512 SSDEEP

        QplkdKz.exe

        • Path C:\Windows\system\QplkdKz.exe
        • Size 5.2MB
        • SHA256 4eb2a55838521912129788d7a72a46f1ebca8dd38deb08379de178d430f9e5cd
        • MD5 SHA1 SHA512 SSDEEP

        RxqWgWC.exe

        • Path C:\Windows\system\RxqWgWC.exe
        • Size 5.2MB
        • SHA256 ab574926aa35a5a6c2b645d61fb4b001c7dfc75b73f01f5ecf81cf37acab9f38
        • MD5 SHA1 SHA512 SSDEEP

        SbVyjcd.exe

        • Path C:\Windows\system\SbVyjcd.exe
        • Size 5.2MB
        • SHA256 63bcf3d6167685ebef940fccba8bf773e223448394e6d20407891512a0beaf53
        • MD5 SHA1 SHA512 SSDEEP

        SnqNuAz.exe

        • Path C:\Windows\system\SnqNuAz.exe
        • Size 5.2MB
        • SHA256 7be474772975fa2bc1cfe002dfd9926ae1c5f337f12e219ae63e164583997f3f
        • MD5 SHA1 SHA512 SSDEEP

        TVPMFDg.exe

        • Path C:\Windows\system\TVPMFDg.exe
        • Size 5.2MB
        • SHA256 92354bb9c7c70c79eacc9c180129885accf572807743443584735d73dbb46096
        • MD5 SHA1 SHA512 SSDEEP

        ZaXlcQJ.exe

        • Path C:\Windows\system\ZaXlcQJ.exe
        • Size 5.2MB
        • SHA256 18e3e5664c3b808af6a0531e93b92b8a5174d7bb250e9e7f3a7f299d66ea50eb
        • MD5 SHA1 SHA512 SSDEEP

        ceSaiun.exe

        • Path C:\Windows\system\ceSaiun.exe
        • Size 5.2MB
        • SHA256 aa463188d66e6eb24b85ed5bb2cb201c02a3e1bae5ef16d56b8616796c5cacd4
        • MD5 SHA1 SHA512 SSDEEP

        fatNXXu.exe

        • Path C:\Windows\system\fatNXXu.exe
        • Size 5.2MB
        • SHA256 e1da8cdf474b17da4f1d7de6fda570c0f2ef19c4b84e8ff5cf1c36acd3eb3363
        • MD5 SHA1 SHA512 SSDEEP

        gtoTYBJ.exe

        • Path C:\Windows\system\gtoTYBJ.exe
        • Size 5.2MB
        • SHA256 bd651efb4c7ca15303d3f727453f3000513924ace87a311f12fc185ea38ef565
        • MD5 SHA1 SHA512 SSDEEP

        mKmHuyy.exe

        • Path C:\Windows\system\mKmHuyy.exe
        • Size 5.2MB
        • SHA256 8ce994df690e50fd61c72e6fcaf443bfd2e1977591907b9e881fbd70849d75da
        • MD5 SHA1 SHA512 SSDEEP

        sXNVwau.exe

        • Path C:\Windows\system\sXNVwau.exe
        • Size 5.2MB
        • SHA256 efa59a85f96046ec3178869ba0a2c719a3b99c80afccda22c0b469a5e77ba5de
        • MD5 SHA1 SHA512 SSDEEP

        OyJuRXm.exe

        • Path \Windows\system\OyJuRXm.exe
        • Size 5.2MB
        • SHA256 2f198b4b9e46a217b638387c5fb7a9ca4b05d244b020c588f6cebee04a603b3a
        • MD5 SHA1 SHA512 SSDEEP

        PUJmwiW.exe

        • Path \Windows\system\PUJmwiW.exe
        • Size 5.2MB
        • SHA256 0f33e47f604c2894bfae6972e64f3f49f588f95183a3766b64a8aba42e0c24eb
        • MD5 SHA1 SHA512 SSDEEP

        SfdhKqj.exe

        • Path \Windows\system\SfdhKqj.exe
        • Size 5.2MB
        • SHA256 17ba68807fefdb32029de89bf1ae2de985d93ed186b35a296edd6dc8473154f8
        • MD5 SHA1 SHA512 SSDEEP

        memory/332-156-0x000000013F6B0000-0x000000013FA01000-memory.dmp

        memory/692-154-0x000000013F670000-0x000000013F9C1000-memory.dmp

        memory/1204-96-0x0000000002180000-0x00000000024D1000-memory.dmp

        memory/1204-1-0x00000000001F0000-0x0000000000200000-memory.dmp

        memory/1204-90-0x000000013FBF0000-0x000000013FF41000-memory.dmp

        memory/1204-111-0x000000013FD20000-0x0000000140071000-memory.dmp

        memory/1204-88-0x0000000002180000-0x00000000024D1000-memory.dmp

        memory/1204-101-0x0000000002180000-0x00000000024D1000-memory.dmp

        memory/1204-86-0x000000013F870000-0x000000013FBC1000-memory.dmp

        memory/1204-104-0x0000000002180000-0x00000000024D1000-memory.dmp

        memory/1204-84-0x0000000002180000-0x00000000024D1000-memory.dmp

        memory/1204-105-0x000000013F9B0000-0x000000013FD01000-memory.dmp

        memory/1204-82-0x000000013F800000-0x000000013FB51000-memory.dmp

        memory/1204-107-0x000000013F820000-0x000000013FB71000-memory.dmp

        memory/1204-92-0x000000013FC80000-0x000000013FFD1000-memory.dmp

        memory/1204-0-0x000000013F1C0000-0x000000013F511000-memory.dmp

        memory/1204-94-0x000000013FE60000-0x00000001401B1000-memory.dmp

        memory/1204-51-0x000000013F8E0000-0x000000013FC31000-memory.dmp

        memory/1204-50-0x0000000002180000-0x00000000024D1000-memory.dmp

        memory/1204-137-0x000000013F1C0000-0x000000013F511000-memory.dmp

        memory/1204-109-0x000000013FFF0000-0x0000000140341000-memory.dmp

        memory/1800-157-0x000000013F810000-0x000000013FB61000-memory.dmp

        memory/1848-158-0x000000013F040000-0x000000013F391000-memory.dmp

        memory/1892-225-0x000000013F150000-0x000000013F4A1000-memory.dmp

        memory/1892-110-0x000000013F150000-0x000000013F4A1000-memory.dmp

        memory/1956-151-0x000000013F9B0000-0x000000013FD01000-memory.dmp

        memory/2144-108-0x000000013F820000-0x000000013FB71000-memory.dmp

        memory/2144-242-0x000000013F820000-0x000000013FB71000-memory.dmp

        memory/2200-89-0x000000013F220000-0x000000013F571000-memory.dmp

        memory/2200-244-0x000000013F220000-0x000000013F571000-memory.dmp

        memory/2304-234-0x000000013F8E0000-0x000000013FC31000-memory.dmp

        memory/2304-81-0x000000013F8E0000-0x000000013FC31000-memory.dmp

        memory/2348-87-0x000000013F870000-0x000000013FBC1000-memory.dmp

        memory/2348-230-0x000000013F870000-0x000000013FBC1000-memory.dmp

        memory/2476-228-0x000000013F800000-0x000000013FB51000-memory.dmp

        memory/2476-83-0x000000013F800000-0x000000013FB51000-memory.dmp

        memory/2672-246-0x000000013FD20000-0x0000000140071000-memory.dmp

        memory/2672-106-0x000000013FD20000-0x0000000140071000-memory.dmp

        memory/2780-236-0x000000013FE60000-0x00000001401B1000-memory.dmp

        memory/2780-95-0x000000013FE60000-0x00000001401B1000-memory.dmp

        memory/2792-149-0x000000013F0A0000-0x000000013F3F1000-memory.dmp

        memory/2808-102-0x000000013F240000-0x000000013F591000-memory.dmp

        memory/2808-238-0x000000013F240000-0x000000013F591000-memory.dmp

        memory/2840-97-0x000000013F420000-0x000000013F771000-memory.dmp

        memory/2840-227-0x000000013F420000-0x000000013F771000-memory.dmp

        memory/2860-232-0x000000013FBF0000-0x000000013FF41000-memory.dmp

        memory/2860-91-0x000000013FBF0000-0x000000013FF41000-memory.dmp

        memory/2892-153-0x000000013FFF0000-0x0000000140341000-memory.dmp

        memory/2920-93-0x000000013FC80000-0x000000013FFD1000-memory.dmp

        memory/2920-248-0x000000013FC80000-0x000000013FFD1000-memory.dmp

        memory/2996-155-0x000000013F5E0000-0x000000013F931000-memory.dmp

        memory/3056-85-0x000000013F060000-0x000000013F3B1000-memory.dmp

        memory/3056-240-0x000000013F060000-0x000000013F3B1000-memory.dmp