Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 13:31

General

  • Target
    2024-05-30_78325fef59f4218f566f53dc512cb2ed_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240530-qsmakaac2w
  • SHA256 6b7f06541946df826c8019760f8c0aa6b7b4293f9d76d7e3e1884b2ee9f45fc9
  • 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\2024-05-30_78325fef59f4218f566f53dc512cb2ed_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-30_78325fef59f4218f566f53dc512cb2ed_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Windows\System\XouROnB.exe
      C:\Windows\System\XouROnB.exe
      2⤵
      • Executes dropped EXE
      PID:4176
    • C:\Windows\System\CFCDrBf.exe
      C:\Windows\System\CFCDrBf.exe
      2⤵
      • Executes dropped EXE
      PID:2892
    • C:\Windows\System\WKBaSYP.exe
      C:\Windows\System\WKBaSYP.exe
      2⤵
      • Executes dropped EXE
      PID:5100
    • C:\Windows\System\vRHjTMm.exe
      C:\Windows\System\vRHjTMm.exe
      2⤵
      • Executes dropped EXE
      PID:4380
    • C:\Windows\System\xeYSzDc.exe
      C:\Windows\System\xeYSzDc.exe
      2⤵
      • Executes dropped EXE
      PID:336
    • C:\Windows\System\iMTWOaO.exe
      C:\Windows\System\iMTWOaO.exe
      2⤵
      • Executes dropped EXE
      PID:4076
    • C:\Windows\System\mUsHoMa.exe
      C:\Windows\System\mUsHoMa.exe
      2⤵
      • Executes dropped EXE
      PID:3196
    • C:\Windows\System\QHkDeAN.exe
      C:\Windows\System\QHkDeAN.exe
      2⤵
      • Executes dropped EXE
      PID:2240
    • C:\Windows\System\kMsKnUo.exe
      C:\Windows\System\kMsKnUo.exe
      2⤵
      • Executes dropped EXE
      PID:628
    • C:\Windows\System\XAbIbgi.exe
      C:\Windows\System\XAbIbgi.exe
      2⤵
      • Executes dropped EXE
      PID:4620
    • C:\Windows\System\WBkcRcw.exe
      C:\Windows\System\WBkcRcw.exe
      2⤵
      • Executes dropped EXE
      PID:2860
    • C:\Windows\System\LUfbSWS.exe
      C:\Windows\System\LUfbSWS.exe
      2⤵
      • Executes dropped EXE
      PID:4108
    • C:\Windows\System\iMjGiXg.exe
      C:\Windows\System\iMjGiXg.exe
      2⤵
      • Executes dropped EXE
      PID:2876
    • C:\Windows\System\dHntOPr.exe
      C:\Windows\System\dHntOPr.exe
      2⤵
      • Executes dropped EXE
      PID:3824
    • C:\Windows\System\UlkuLAZ.exe
      C:\Windows\System\UlkuLAZ.exe
      2⤵
      • Executes dropped EXE
      PID:1688
    • C:\Windows\System\rEGVnAF.exe
      C:\Windows\System\rEGVnAF.exe
      2⤵
      • Executes dropped EXE
      PID:5012
    • C:\Windows\System\vLUMZOa.exe
      C:\Windows\System\vLUMZOa.exe
      2⤵
      • Executes dropped EXE
      PID:2712
    • C:\Windows\System\IPLkZyl.exe
      C:\Windows\System\IPLkZyl.exe
      2⤵
      • Executes dropped EXE
      PID:3512
    • C:\Windows\System\PblSJlz.exe
      C:\Windows\System\PblSJlz.exe
      2⤵
      • Executes dropped EXE
      PID:2968
    • C:\Windows\System\IxAKjrd.exe
      C:\Windows\System\IxAKjrd.exe
      2⤵
      • Executes dropped EXE
      PID:3540
    • C:\Windows\System\zLfgrfa.exe
      C:\Windows\System\zLfgrfa.exe
      2⤵
      • Executes dropped EXE
      PID:4804

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CFCDrBf.exe

        • Path C:\Windows\System\CFCDrBf.exe
        • Size 5.9MB
        • SHA256 9bc95116bacd7f5e7cd8f12f60fd50b56cb312307699a7e25f665c2b1c93fb97
        • MD5 SHA1 SHA512 SSDEEP

        IPLkZyl.exe

        • Path C:\Windows\System\IPLkZyl.exe
        • Size 5.9MB
        • SHA256 42a3c0f10e60121a7dac8b7ab8752109c7158bd0cd33e2c2628595e4bd251ae9
        • MD5 SHA1 SHA512 SSDEEP

        IxAKjrd.exe

        • Path C:\Windows\System\IxAKjrd.exe
        • Size 5.9MB
        • SHA256 f13a06f363337d901a9980cfeeae4422539aba96c092a55a51b241d8fb9ac691
        • MD5 SHA1 SHA512 SSDEEP

        LUfbSWS.exe

        • Path C:\Windows\System\LUfbSWS.exe
        • Size 5.9MB
        • SHA256 26fc76068a024575ba6441eece12ba97129e8142e175b736fdfb63cee65943ce
        • MD5 SHA1 SHA512 SSDEEP

        PblSJlz.exe

        • Path C:\Windows\System\PblSJlz.exe
        • Size 5.9MB
        • SHA256 043999f8362e2d4106925adad35ca6a812b2ab835de72e5ac492e68222438c14
        • MD5 SHA1 SHA512 SSDEEP

        QHkDeAN.exe

        • Path C:\Windows\System\QHkDeAN.exe
        • Size 5.9MB
        • SHA256 15fbf0f487546ed7c4a7ec030f55129659b3e040f17486afecede9a60d9386fc
        • MD5 SHA1 SHA512 SSDEEP

        UlkuLAZ.exe

        • Path C:\Windows\System\UlkuLAZ.exe
        • Size 5.9MB
        • SHA256 d2c6485cd49577b33203fa9a320f0618dfdc7c52999ef717b21c6d286f42cc14
        • MD5 SHA1 SHA512 SSDEEP

        WBkcRcw.exe

        • Path C:\Windows\System\WBkcRcw.exe
        • Size 5.9MB
        • SHA256 8a01bb774fe939df6a3baea99d3dea99de79f4f2f096d9521ab9c2da8ec49c4e
        • MD5 SHA1 SHA512 SSDEEP

        WKBaSYP.exe

        • Path C:\Windows\System\WKBaSYP.exe
        • Size 5.9MB
        • SHA256 8540a0c336be467a587c421cede91e5588011afcd20b730dcd65eaba22009fa5
        • MD5 SHA1 SHA512 SSDEEP

        XAbIbgi.exe

        • Path C:\Windows\System\XAbIbgi.exe
        • Size 5.9MB
        • SHA256 da31b4cc1e3aef5960443bd6e515f00116d35dd821b76a629c7728fc6d989910
        • MD5 SHA1 SHA512 SSDEEP

        XouROnB.exe

        • Path C:\Windows\System\XouROnB.exe
        • Size 5.9MB
        • SHA256 5b86128386bbf1b6af3ccf6e0655a5560b1d6433a4619aa7056c9cd4cea795a8
        • MD5 SHA1 SHA512 SSDEEP

        dHntOPr.exe

        • Path C:\Windows\System\dHntOPr.exe
        • Size 5.9MB
        • SHA256 ec9b769962a025e658db8a517347ec81602af574b73091b48f0a6db3a38e324d
        • MD5 SHA1 SHA512 SSDEEP

        iMTWOaO.exe

        • Path C:\Windows\System\iMTWOaO.exe
        • Size 5.9MB
        • SHA256 4c58ad6039a6a37d0c50c7016491a59ffba1e2f1a17c63bc4ab066a2f06bee79
        • MD5 SHA1 SHA512 SSDEEP

        iMjGiXg.exe

        • Path C:\Windows\System\iMjGiXg.exe
        • Size 5.9MB
        • SHA256 a0d8538e382309aad93379a00f88d892ff23e649ed29e28228ea7447d9218098
        • MD5 SHA1 SHA512 SSDEEP

        kMsKnUo.exe

        • Path C:\Windows\System\kMsKnUo.exe
        • Size 5.9MB
        • SHA256 90d59c4a4d02820823939153b0b5e6ed1251d2be0654882567daf405fef9b703
        • MD5 SHA1 SHA512 SSDEEP

        mUsHoMa.exe

        • Path C:\Windows\System\mUsHoMa.exe
        • Size 5.9MB
        • SHA256 979c1ebd03e2a42cf252ac987def7c9b2f8ad26967f0268b0e77284cb38e2d30
        • MD5 SHA1 SHA512 SSDEEP

        rEGVnAF.exe

        • Path C:\Windows\System\rEGVnAF.exe
        • Size 5.9MB
        • SHA256 f05ae1e7d114a82130643414b24ed466ff51fe0bf2c6601539eefe9e91b5093a
        • MD5 SHA1 SHA512 SSDEEP

        vLUMZOa.exe

        • Path C:\Windows\System\vLUMZOa.exe
        • Size 5.9MB
        • SHA256 29647c5c2ef64c7c5f9174012807e0a413b7f6d80fae59e13ddf78840b96d1f6
        • MD5 SHA1 SHA512 SSDEEP

        vRHjTMm.exe

        • Path C:\Windows\System\vRHjTMm.exe
        • Size 5.9MB
        • SHA256 3c589f4c24724a7ecf1c36b02c47b933a5032968d9c8774983498fa807dc2806
        • MD5 SHA1 SHA512 SSDEEP

        xeYSzDc.exe

        • Path C:\Windows\System\xeYSzDc.exe
        • Size 5.9MB
        • SHA256 cf8433a192b615bc3d0a23307f806b6d088f88714ec11b98fb88ce81c0201145
        • MD5 SHA1 SHA512 SSDEEP

        zLfgrfa.exe

        • Path C:\Windows\System\zLfgrfa.exe
        • Size 5.9MB
        • SHA256 6a819066bff5a10ed5a3ce446364b5f0f00361e9f966f5c7081d5fff5c22f6ba
        • MD5 SHA1 SHA512 SSDEEP

        memory/336-101-0x00007FF74A990000-0x00007FF74ACE4000-memory.dmp

        memory/336-30-0x00007FF74A990000-0x00007FF74ACE4000-memory.dmp

        memory/336-138-0x00007FF74A990000-0x00007FF74ACE4000-memory.dmp

        memory/628-61-0x00007FF7DCF40000-0x00007FF7DD294000-memory.dmp

        memory/628-142-0x00007FF7DCF40000-0x00007FF7DD294000-memory.dmp

        memory/1688-95-0x00007FF76DD90000-0x00007FF76E0E4000-memory.dmp

        memory/1688-148-0x00007FF76DD90000-0x00007FF76E0E4000-memory.dmp

        memory/2240-52-0x00007FF7B60C0000-0x00007FF7B6414000-memory.dmp

        memory/2240-141-0x00007FF7B60C0000-0x00007FF7B6414000-memory.dmp

        memory/2712-111-0x00007FF6404C0000-0x00007FF640814000-memory.dmp

        memory/2712-150-0x00007FF6404C0000-0x00007FF640814000-memory.dmp

        memory/2860-144-0x00007FF6EF0C0000-0x00007FF6EF414000-memory.dmp

        memory/2860-75-0x00007FF6EF0C0000-0x00007FF6EF414000-memory.dmp

        memory/2876-146-0x00007FF6A8660000-0x00007FF6A89B4000-memory.dmp

        memory/2876-84-0x00007FF6A8660000-0x00007FF6A89B4000-memory.dmp

        memory/2892-135-0x00007FF681670000-0x00007FF6819C4000-memory.dmp

        memory/2892-14-0x00007FF681670000-0x00007FF6819C4000-memory.dmp

        memory/2968-152-0x00007FF6D66E0000-0x00007FF6D6A34000-memory.dmp

        memory/2968-120-0x00007FF6D66E0000-0x00007FF6D6A34000-memory.dmp

        memory/3196-49-0x00007FF748B20000-0x00007FF748E74000-memory.dmp

        memory/3196-140-0x00007FF748B20000-0x00007FF748E74000-memory.dmp

        memory/3332-1-0x000001CE17F60000-0x000001CE17F70000-memory.dmp

        memory/3332-0-0x00007FF6C5690000-0x00007FF6C59E4000-memory.dmp

        memory/3332-64-0x00007FF6C5690000-0x00007FF6C59E4000-memory.dmp

        memory/3512-114-0x00007FF7CE660000-0x00007FF7CE9B4000-memory.dmp

        memory/3512-151-0x00007FF7CE660000-0x00007FF7CE9B4000-memory.dmp

        memory/3540-133-0x00007FF6EA0E0000-0x00007FF6EA434000-memory.dmp

        memory/3540-153-0x00007FF6EA0E0000-0x00007FF6EA434000-memory.dmp

        memory/3540-126-0x00007FF6EA0E0000-0x00007FF6EA434000-memory.dmp

        memory/3824-85-0x00007FF69F0F0000-0x00007FF69F444000-memory.dmp

        memory/3824-147-0x00007FF69F0F0000-0x00007FF69F444000-memory.dmp

        memory/3824-132-0x00007FF69F0F0000-0x00007FF69F444000-memory.dmp

        memory/4076-38-0x00007FF719EE0000-0x00007FF71A234000-memory.dmp

        memory/4076-139-0x00007FF719EE0000-0x00007FF71A234000-memory.dmp

        memory/4108-78-0x00007FF6971C0000-0x00007FF697514000-memory.dmp

        memory/4108-145-0x00007FF6971C0000-0x00007FF697514000-memory.dmp

        memory/4176-8-0x00007FF6EA480000-0x00007FF6EA7D4000-memory.dmp

        memory/4176-69-0x00007FF6EA480000-0x00007FF6EA7D4000-memory.dmp

        memory/4176-134-0x00007FF6EA480000-0x00007FF6EA7D4000-memory.dmp

        memory/4380-94-0x00007FF78BC30000-0x00007FF78BF84000-memory.dmp

        memory/4380-24-0x00007FF78BC30000-0x00007FF78BF84000-memory.dmp

        memory/4380-137-0x00007FF78BC30000-0x00007FF78BF84000-memory.dmp

        memory/4620-65-0x00007FF6C0530000-0x00007FF6C0884000-memory.dmp

        memory/4620-143-0x00007FF6C0530000-0x00007FF6C0884000-memory.dmp

        memory/4804-131-0x00007FF621910000-0x00007FF621C64000-memory.dmp

        memory/4804-154-0x00007FF621910000-0x00007FF621C64000-memory.dmp

        memory/5012-102-0x00007FF6F2040000-0x00007FF6F2394000-memory.dmp

        memory/5012-149-0x00007FF6F2040000-0x00007FF6F2394000-memory.dmp

        memory/5100-20-0x00007FF737A60000-0x00007FF737DB4000-memory.dmp

        memory/5100-136-0x00007FF737A60000-0x00007FF737DB4000-memory.dmp