Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 19:32

General

  • Target
    2024-05-30_e461de92bc44d32731907d97ca946c5a_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240530-x83e2saa32
  • SHA256 2b0948c63c5e44d7329d51dcb39ccdbc63dcb52f81c344aeff81cb0608694f12
  • 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_e461de92bc44d32731907d97ca946c5a_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-30_e461de92bc44d32731907d97ca946c5a_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Windows\System\aRNuwaQ.exe
      C:\Windows\System\aRNuwaQ.exe
      2⤵
      • Executes dropped EXE
      PID:2324
    • C:\Windows\System\KqjYtuy.exe
      C:\Windows\System\KqjYtuy.exe
      2⤵
      • Executes dropped EXE
      PID:3540
    • C:\Windows\System\DjlqpGw.exe
      C:\Windows\System\DjlqpGw.exe
      2⤵
      • Executes dropped EXE
      PID:1252
    • C:\Windows\System\WXspCcE.exe
      C:\Windows\System\WXspCcE.exe
      2⤵
      • Executes dropped EXE
      PID:740
    • C:\Windows\System\dqxVWBH.exe
      C:\Windows\System\dqxVWBH.exe
      2⤵
      • Executes dropped EXE
      PID:2116
    • C:\Windows\System\WcRbONI.exe
      C:\Windows\System\WcRbONI.exe
      2⤵
      • Executes dropped EXE
      PID:4888
    • C:\Windows\System\TKTZfdx.exe
      C:\Windows\System\TKTZfdx.exe
      2⤵
      • Executes dropped EXE
      PID:3364
    • C:\Windows\System\pnEJxfU.exe
      C:\Windows\System\pnEJxfU.exe
      2⤵
      • Executes dropped EXE
      PID:3664
    • C:\Windows\System\ezuanop.exe
      C:\Windows\System\ezuanop.exe
      2⤵
      • Executes dropped EXE
      PID:4392
    • C:\Windows\System\paefCKr.exe
      C:\Windows\System\paefCKr.exe
      2⤵
      • Executes dropped EXE
      PID:2820
    • C:\Windows\System\tkOtEif.exe
      C:\Windows\System\tkOtEif.exe
      2⤵
      • Executes dropped EXE
      PID:2824
    • C:\Windows\System\EjfUuMu.exe
      C:\Windows\System\EjfUuMu.exe
      2⤵
      • Executes dropped EXE
      PID:2720
    • C:\Windows\System\FjJVypw.exe
      C:\Windows\System\FjJVypw.exe
      2⤵
      • Executes dropped EXE
      PID:2864
    • C:\Windows\System\RnzEYgu.exe
      C:\Windows\System\RnzEYgu.exe
      2⤵
      • Executes dropped EXE
      PID:1420
    • C:\Windows\System\FonndLJ.exe
      C:\Windows\System\FonndLJ.exe
      2⤵
      • Executes dropped EXE
      PID:1708
    • C:\Windows\System\dyIKdqY.exe
      C:\Windows\System\dyIKdqY.exe
      2⤵
      • Executes dropped EXE
      PID:2284
    • C:\Windows\System\WbUXkNP.exe
      C:\Windows\System\WbUXkNP.exe
      2⤵
      • Executes dropped EXE
      PID:1544
    • C:\Windows\System\kKmDLei.exe
      C:\Windows\System\kKmDLei.exe
      2⤵
      • Executes dropped EXE
      PID:2288
    • C:\Windows\System\OrkObpr.exe
      C:\Windows\System\OrkObpr.exe
      2⤵
      • Executes dropped EXE
      PID:3052
    • C:\Windows\System\LdxlJBe.exe
      C:\Windows\System\LdxlJBe.exe
      2⤵
      • Executes dropped EXE
      PID:4416
    • C:\Windows\System\ErCKrOT.exe
      C:\Windows\System\ErCKrOT.exe
      2⤵
      • Executes dropped EXE
      PID:2260

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DjlqpGw.exe

        • Path C:\Windows\System\DjlqpGw.exe
        • Size 5.9MB
        • SHA256 02ea93975bfa458a1ea2df18b305b05cf6cfefd02c273e942e5d5209e718e005
        • MD5 SHA1 SHA512 SSDEEP

        EjfUuMu.exe

        • Path C:\Windows\System\EjfUuMu.exe
        • Size 5.9MB
        • SHA256 8848ac8753c8abd5255c8f8484842cfc396065d07050103a20cd2dcabbadce1c
        • MD5 SHA1 SHA512 SSDEEP

        ErCKrOT.exe

        • Path C:\Windows\System\ErCKrOT.exe
        • Size 5.9MB
        • SHA256 476956f6157b21e69482c804b97033c74274ae230163048022f930019072d201
        • MD5 SHA1 SHA512 SSDEEP

        FjJVypw.exe

        • Path C:\Windows\System\FjJVypw.exe
        • Size 5.9MB
        • SHA256 737db0be91cace811814f9d313b859be6b2580a582b2805629cf35448a41fbb1
        • MD5 SHA1 SHA512 SSDEEP

        FonndLJ.exe

        • Path C:\Windows\System\FonndLJ.exe
        • Size 5.9MB
        • SHA256 4d3ec8c80db634966b0530dfbe4df683491db7015515fa0c59154e2c9bb99b32
        • MD5 SHA1 SHA512 SSDEEP

        KqjYtuy.exe

        • Path C:\Windows\System\KqjYtuy.exe
        • Size 5.9MB
        • SHA256 9508ebc123bccd72ccdfa81eeb4896d0bb1dcc6d45215ae1657b6c1c4b5d8324
        • MD5 SHA1 SHA512 SSDEEP

        LdxlJBe.exe

        • Path C:\Windows\System\LdxlJBe.exe
        • Size 5.9MB
        • SHA256 ae778db90391d8ff3ae1f9cc795b1db8c31dc309dda97c481143636f5324f89e
        • MD5 SHA1 SHA512 SSDEEP

        OrkObpr.exe

        • Path C:\Windows\System\OrkObpr.exe
        • Size 5.9MB
        • SHA256 3822b59195e0ea94df5bbfa128ff35c20f188634182d3bcea58f0069bacb3de5
        • MD5 SHA1 SHA512 SSDEEP

        RnzEYgu.exe

        • Path C:\Windows\System\RnzEYgu.exe
        • Size 5.9MB
        • SHA256 a84dfb44e167d11dec64fea13cb5b43c88ea801bc6544ddf712d6d891a1946a7
        • MD5 SHA1 SHA512 SSDEEP

        TKTZfdx.exe

        • Path C:\Windows\System\TKTZfdx.exe
        • Size 5.9MB
        • SHA256 97a94b85093c67beaa4ab69747a87113a570a7ff559852c338086f2fe6c3f50a
        • MD5 SHA1 SHA512 SSDEEP

        WXspCcE.exe

        • Path C:\Windows\System\WXspCcE.exe
        • Size 5.9MB
        • SHA256 48bdca9d0047da000cc7012b21fe6fd86362e1983dd63fb067c231d977dcdd94
        • MD5 SHA1 SHA512 SSDEEP

        WbUXkNP.exe

        • Path C:\Windows\System\WbUXkNP.exe
        • Size 5.9MB
        • SHA256 9e72a4024dc20cb77fa45ead67e1f237a88f4b9833142caa28abe9bdd029cc98
        • MD5 SHA1 SHA512 SSDEEP

        WcRbONI.exe

        • Path C:\Windows\System\WcRbONI.exe
        • Size 5.9MB
        • SHA256 4ea9dab51b9bcab1e2593e023ed8cac7817228c668f6be896e58cf979267bd90
        • MD5 SHA1 SHA512 SSDEEP

        aRNuwaQ.exe

        • Path C:\Windows\System\aRNuwaQ.exe
        • Size 5.9MB
        • SHA256 2b11364b3e583e01ff2339826966d4df47c78ada122e7114bcd360e93d787ed8
        • MD5 SHA1 SHA512 SSDEEP

        dqxVWBH.exe

        • Path C:\Windows\System\dqxVWBH.exe
        • Size 5.9MB
        • SHA256 ce8c97d9a3fa524f1ce8325c9d772eec2ccf778820cc37a9411fbaeb8bb4f2d1
        • MD5 SHA1 SHA512 SSDEEP

        dyIKdqY.exe

        • Path C:\Windows\System\dyIKdqY.exe
        • Size 5.9MB
        • SHA256 c118b1e4666f83a0ab613e5b2290c13cfe75708db6423104153f1f41495d0d33
        • MD5 SHA1 SHA512 SSDEEP

        ezuanop.exe

        • Path C:\Windows\System\ezuanop.exe
        • Size 5.9MB
        • SHA256 ae448f975a148afcd7ecb25e4239b3edcd117678e16db9994d684d96210a7c83
        • MD5 SHA1 SHA512 SSDEEP

        kKmDLei.exe

        • Path C:\Windows\System\kKmDLei.exe
        • Size 5.9MB
        • SHA256 c879d79d31129895ac9764b1e2227ae75092cd83229542df4070a00858c2c8ea
        • MD5 SHA1 SHA512 SSDEEP

        paefCKr.exe

        • Path C:\Windows\System\paefCKr.exe
        • Size 5.9MB
        • SHA256 547fb181f295fb6d2bca0b85e440ab2a16662df0c94ed0f4f002fd58c21b99d6
        • MD5 SHA1 SHA512 SSDEEP

        pnEJxfU.exe

        • Path C:\Windows\System\pnEJxfU.exe
        • Size 5.9MB
        • SHA256 108d29cfad18aff837037f93b07ef99d8ffb0595a60917aa624477c860f2489c
        • MD5 SHA1 SHA512 SSDEEP

        tkOtEif.exe

        • Path C:\Windows\System\tkOtEif.exe
        • Size 5.9MB
        • SHA256 0596774f3924dcc5654c4dd763370b0b2c2534de57c179a42e1d9e34074f25c9
        • MD5 SHA1 SHA512 SSDEEP

        memory/740-95-0x00007FF7381B0000-0x00007FF738504000-memory.dmp

        memory/740-24-0x00007FF7381B0000-0x00007FF738504000-memory.dmp

        memory/740-144-0x00007FF7381B0000-0x00007FF738504000-memory.dmp

        memory/1252-86-0x00007FF61F800000-0x00007FF61FB54000-memory.dmp

        memory/1252-20-0x00007FF61F800000-0x00007FF61FB54000-memory.dmp

        memory/1252-143-0x00007FF61F800000-0x00007FF61FB54000-memory.dmp

        memory/1420-154-0x00007FF71F130000-0x00007FF71F484000-memory.dmp

        memory/1420-91-0x00007FF71F130000-0x00007FF71F484000-memory.dmp

        memory/1420-136-0x00007FF71F130000-0x00007FF71F484000-memory.dmp

        memory/1544-157-0x00007FF699850000-0x00007FF699BA4000-memory.dmp

        memory/1544-138-0x00007FF699850000-0x00007FF699BA4000-memory.dmp

        memory/1544-110-0x00007FF699850000-0x00007FF699BA4000-memory.dmp

        memory/1708-155-0x00007FF692100000-0x00007FF692454000-memory.dmp

        memory/1708-96-0x00007FF692100000-0x00007FF692454000-memory.dmp

        memory/2116-145-0x00007FF66A950000-0x00007FF66ACA4000-memory.dmp

        memory/2116-32-0x00007FF66A950000-0x00007FF66ACA4000-memory.dmp

        memory/2260-161-0x00007FF61D070000-0x00007FF61D3C4000-memory.dmp

        memory/2260-135-0x00007FF61D070000-0x00007FF61D3C4000-memory.dmp

        memory/2284-156-0x00007FF730070000-0x00007FF7303C4000-memory.dmp

        memory/2284-108-0x00007FF730070000-0x00007FF7303C4000-memory.dmp

        memory/2284-137-0x00007FF730070000-0x00007FF7303C4000-memory.dmp

        memory/2288-116-0x00007FF761030000-0x00007FF761384000-memory.dmp

        memory/2288-158-0x00007FF761030000-0x00007FF761384000-memory.dmp

        memory/2288-139-0x00007FF761030000-0x00007FF761384000-memory.dmp

        memory/2324-8-0x00007FF6A56D0000-0x00007FF6A5A24000-memory.dmp

        memory/2324-141-0x00007FF6A56D0000-0x00007FF6A5A24000-memory.dmp

        memory/2720-77-0x00007FF7CEC50000-0x00007FF7CEFA4000-memory.dmp

        memory/2720-151-0x00007FF7CEC50000-0x00007FF7CEFA4000-memory.dmp

        memory/2820-62-0x00007FF764000000-0x00007FF764354000-memory.dmp

        memory/2820-150-0x00007FF764000000-0x00007FF764354000-memory.dmp

        memory/2824-129-0x00007FF6872A0000-0x00007FF6875F4000-memory.dmp

        memory/2824-152-0x00007FF6872A0000-0x00007FF6875F4000-memory.dmp

        memory/2824-71-0x00007FF6872A0000-0x00007FF6875F4000-memory.dmp

        memory/2864-153-0x00007FF7EDD20000-0x00007FF7EE074000-memory.dmp

        memory/2864-84-0x00007FF7EDD20000-0x00007FF7EE074000-memory.dmp

        memory/2876-0-0x00007FF7190D0000-0x00007FF719424000-memory.dmp

        memory/2876-66-0x00007FF7190D0000-0x00007FF719424000-memory.dmp

        memory/2876-1-0x000001ECB78B0000-0x000001ECB78C0000-memory.dmp

        memory/3052-140-0x00007FF721350000-0x00007FF7216A4000-memory.dmp

        memory/3052-159-0x00007FF721350000-0x00007FF7216A4000-memory.dmp

        memory/3052-119-0x00007FF721350000-0x00007FF7216A4000-memory.dmp

        memory/3364-111-0x00007FF7C5700000-0x00007FF7C5A54000-memory.dmp

        memory/3364-146-0x00007FF7C5700000-0x00007FF7C5A54000-memory.dmp

        memory/3364-44-0x00007FF7C5700000-0x00007FF7C5A54000-memory.dmp

        memory/3540-14-0x00007FF644E90000-0x00007FF6451E4000-memory.dmp

        memory/3540-142-0x00007FF644E90000-0x00007FF6451E4000-memory.dmp

        memory/3540-81-0x00007FF644E90000-0x00007FF6451E4000-memory.dmp

        memory/3664-148-0x00007FF7FF8F0000-0x00007FF7FFC44000-memory.dmp

        memory/3664-118-0x00007FF7FF8F0000-0x00007FF7FFC44000-memory.dmp

        memory/3664-50-0x00007FF7FF8F0000-0x00007FF7FFC44000-memory.dmp

        memory/4392-61-0x00007FF6D5650000-0x00007FF6D59A4000-memory.dmp

        memory/4392-149-0x00007FF6D5650000-0x00007FF6D59A4000-memory.dmp

        memory/4416-160-0x00007FF664810000-0x00007FF664B64000-memory.dmp

        memory/4416-130-0x00007FF664810000-0x00007FF664B64000-memory.dmp

        memory/4888-102-0x00007FF74D970000-0x00007FF74DCC4000-memory.dmp

        memory/4888-38-0x00007FF74D970000-0x00007FF74DCC4000-memory.dmp

        memory/4888-147-0x00007FF74D970000-0x00007FF74DCC4000-memory.dmp