Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 00:23

General

  • Target
    2024-06-03_0fcc4e571283972fbb34217abe05ffa6_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240603-apylesce4y
  • SHA256 28c844728899e907d73a4180665af86d5c4be6f6a404112cf8fc271fcef847f9
  • 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\2024-06-03_0fcc4e571283972fbb34217abe05ffa6_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-03_0fcc4e571283972fbb34217abe05ffa6_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\System\pMBpKbk.exe
      C:\Windows\System\pMBpKbk.exe
      2⤵
      • Executes dropped EXE
      PID:2084
    • C:\Windows\System\NWXXdUc.exe
      C:\Windows\System\NWXXdUc.exe
      2⤵
      • Executes dropped EXE
      PID:2860
    • C:\Windows\System\JuoUOTK.exe
      C:\Windows\System\JuoUOTK.exe
      2⤵
      • Executes dropped EXE
      PID:2760
    • C:\Windows\System\vFBlWaM.exe
      C:\Windows\System\vFBlWaM.exe
      2⤵
      • Executes dropped EXE
      PID:4900
    • C:\Windows\System\waJLkoz.exe
      C:\Windows\System\waJLkoz.exe
      2⤵
      • Executes dropped EXE
      PID:404
    • C:\Windows\System\vjCbSkc.exe
      C:\Windows\System\vjCbSkc.exe
      2⤵
      • Executes dropped EXE
      PID:5064
    • C:\Windows\System\laVCZDi.exe
      C:\Windows\System\laVCZDi.exe
      2⤵
      • Executes dropped EXE
      PID:4372
    • C:\Windows\System\uLnoFzU.exe
      C:\Windows\System\uLnoFzU.exe
      2⤵
      • Executes dropped EXE
      PID:3752
    • C:\Windows\System\jQUgHJs.exe
      C:\Windows\System\jQUgHJs.exe
      2⤵
      • Executes dropped EXE
      PID:692
    • C:\Windows\System\jalttIs.exe
      C:\Windows\System\jalttIs.exe
      2⤵
      • Executes dropped EXE
      PID:3588
    • C:\Windows\System\ZXdBNTl.exe
      C:\Windows\System\ZXdBNTl.exe
      2⤵
      • Executes dropped EXE
      PID:2608
    • C:\Windows\System\mAvVMQn.exe
      C:\Windows\System\mAvVMQn.exe
      2⤵
      • Executes dropped EXE
      PID:3092
    • C:\Windows\System\ChYUxKI.exe
      C:\Windows\System\ChYUxKI.exe
      2⤵
      • Executes dropped EXE
      PID:4956
    • C:\Windows\System\jSQQqzM.exe
      C:\Windows\System\jSQQqzM.exe
      2⤵
      • Executes dropped EXE
      PID:3252
    • C:\Windows\System\ApryAgo.exe
      C:\Windows\System\ApryAgo.exe
      2⤵
      • Executes dropped EXE
      PID:4140
    • C:\Windows\System\eetsoKH.exe
      C:\Windows\System\eetsoKH.exe
      2⤵
      • Executes dropped EXE
      PID:1400
    • C:\Windows\System\qvyKvOf.exe
      C:\Windows\System\qvyKvOf.exe
      2⤵
      • Executes dropped EXE
      PID:4396
    • C:\Windows\System\bUeQzFW.exe
      C:\Windows\System\bUeQzFW.exe
      2⤵
      • Executes dropped EXE
      PID:452
    • C:\Windows\System\ckYgXXC.exe
      C:\Windows\System\ckYgXXC.exe
      2⤵
      • Executes dropped EXE
      PID:2404
    • C:\Windows\System\lGtZliK.exe
      C:\Windows\System\lGtZliK.exe
      2⤵
      • Executes dropped EXE
      PID:2020
    • C:\Windows\System\rgPyjlt.exe
      C:\Windows\System\rgPyjlt.exe
      2⤵
      • Executes dropped EXE
      PID:4408

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ApryAgo.exe

        • Path C:\Windows\System\ApryAgo.exe
        • Size 5.9MB
        • SHA256 f070cd291fb77b50325b8699c1d975c8a02152f9038fcf391a3d12e5e71711cf
        • MD5 SHA1 SHA512 SSDEEP

        ChYUxKI.exe

        • Path C:\Windows\System\ChYUxKI.exe
        • Size 5.9MB
        • SHA256 e049a48bbc49313e610a863228d999fe0c419920531b8f0e98f2370d6294ec92
        • MD5 SHA1 SHA512 SSDEEP

        JuoUOTK.exe

        • Path C:\Windows\System\JuoUOTK.exe
        • Size 5.9MB
        • SHA256 fb03ec248494458494a4d2d89cfead2aaf2a6f3d6a15971b1492cde46952451c
        • MD5 SHA1 SHA512 SSDEEP

        NWXXdUc.exe

        • Path C:\Windows\System\NWXXdUc.exe
        • Size 5.9MB
        • SHA256 b191612a3fdf84b248e034696c5723b16da1aed853e1e8a41a2cef3d7012a103
        • MD5 SHA1 SHA512 SSDEEP

        ZXdBNTl.exe

        • Path C:\Windows\System\ZXdBNTl.exe
        • Size 5.9MB
        • SHA256 3ffb910cfaa375498a7121ec3b4be2dc50e9e57fd2117774bfaa4b953dadc038
        • MD5 SHA1 SHA512 SSDEEP

        bUeQzFW.exe

        • Path C:\Windows\System\bUeQzFW.exe
        • Size 5.9MB
        • SHA256 9ed2b08c9ca5a0ce40876d0dc2064c710b57e06db05f5f8b831a818d2705d9fb
        • MD5 SHA1 SHA512 SSDEEP

        ckYgXXC.exe

        • Path C:\Windows\System\ckYgXXC.exe
        • Size 5.9MB
        • SHA256 cdf1960824bb473f9f1125755daaa0f133b9ecff2a2438b83fea44c7b0536901
        • MD5 SHA1 SHA512 SSDEEP

        eetsoKH.exe

        • Path C:\Windows\System\eetsoKH.exe
        • Size 5.9MB
        • SHA256 d19137498462b71c3762bb0e8e94502e02aca5c4d166bbc7b86f661a14ab12f2
        • MD5 SHA1 SHA512 SSDEEP

        jQUgHJs.exe

        • Path C:\Windows\System\jQUgHJs.exe
        • Size 5.9MB
        • SHA256 9872b0acf9bd04460c4204f6c4af79c41d013f7364f82bdb47ff7b42eb33d31f
        • MD5 SHA1 SHA512 SSDEEP

        jSQQqzM.exe

        • Path C:\Windows\System\jSQQqzM.exe
        • Size 5.9MB
        • SHA256 262e87581814aa048c0b23b7f9f30d7d2aa2cf21471a7e9f794a7ccd659b3869
        • MD5 SHA1 SHA512 SSDEEP

        jalttIs.exe

        • Path C:\Windows\System\jalttIs.exe
        • Size 5.9MB
        • SHA256 67c504b2fe6d0b87fd872e0b6cf76e64761e36524a22d7513aca596b099eab44
        • MD5 SHA1 SHA512 SSDEEP

        lGtZliK.exe

        • Path C:\Windows\System\lGtZliK.exe
        • Size 5.9MB
        • SHA256 a6357333e6d50d357c035dc4cbbc48fb5334f0e8d0cebf5e6b397c6981b01666
        • MD5 SHA1 SHA512 SSDEEP

        laVCZDi.exe

        • Path C:\Windows\System\laVCZDi.exe
        • Size 5.9MB
        • SHA256 8d256d26238579c72fb4333ae3d9db0cefe98edc1744132b1df7efe28aa78ddf
        • MD5 SHA1 SHA512 SSDEEP

        mAvVMQn.exe

        • Path C:\Windows\System\mAvVMQn.exe
        • Size 5.9MB
        • SHA256 dd8fc6e16f3a76b652bc58e401f9917e64561be2881b5fd5bb77c2fd2e630f08
        • MD5 SHA1 SHA512 SSDEEP

        pMBpKbk.exe

        • Path C:\Windows\System\pMBpKbk.exe
        • Size 5.9MB
        • SHA256 e267663da0a79f83d9f70bd2083ea9dfe639f34ce2d037d78c4d8781422fc781
        • MD5 SHA1 SHA512 SSDEEP

        qvyKvOf.exe

        • Path C:\Windows\System\qvyKvOf.exe
        • Size 5.9MB
        • SHA256 12e2db9ab4e131feeaf206683252d6c4e1c475f419d4627d0a87ed623b659751
        • MD5 SHA1 SHA512 SSDEEP

        rgPyjlt.exe

        • Path C:\Windows\System\rgPyjlt.exe
        • Size 5.9MB
        • SHA256 b7f57a6980d9c69a35b3ffc4f9bf1630f80e563481ba2791404dbd635f8e9800
        • MD5 SHA1 SHA512 SSDEEP

        uLnoFzU.exe

        • Path C:\Windows\System\uLnoFzU.exe
        • Size 5.9MB
        • SHA256 d9ba390ae103de89111216b856d56108891a849176f065885bcace2d334369e3
        • MD5 SHA1 SHA512 SSDEEP

        vFBlWaM.exe

        • Path C:\Windows\System\vFBlWaM.exe
        • Size 5.9MB
        • SHA256 38c5a1c1abf0176e705d1b43c72e4f1923f20893ace5a6d39f281c61467f83c5
        • MD5 SHA1 SHA512 SSDEEP

        vjCbSkc.exe

        • Path C:\Windows\System\vjCbSkc.exe
        • Size 5.9MB
        • SHA256 1807db44ddd53c1066b7a11da6a4d83c82ea89080c76a9ae4ff412369311d649
        • MD5 SHA1 SHA512 SSDEEP

        waJLkoz.exe

        • Path C:\Windows\System\waJLkoz.exe
        • Size 5.9MB
        • SHA256 1d3e0d8bbd3f4821baed13874c74e5bb13423ce75e5697782e99f7b2ae968170
        • MD5 SHA1 SHA512 SSDEEP

        memory/404-132-0x00007FF6E2C60000-0x00007FF6E2FB4000-memory.dmp

        memory/404-32-0x00007FF6E2C60000-0x00007FF6E2FB4000-memory.dmp

        memory/404-137-0x00007FF6E2C60000-0x00007FF6E2FB4000-memory.dmp

        memory/452-150-0x00007FF6395B0000-0x00007FF639904000-memory.dmp

        memory/452-122-0x00007FF6395B0000-0x00007FF639904000-memory.dmp

        memory/692-119-0x00007FF719400000-0x00007FF719754000-memory.dmp

        memory/692-141-0x00007FF719400000-0x00007FF719754000-memory.dmp

        memory/1400-148-0x00007FF78DD70000-0x00007FF78E0C4000-memory.dmp

        memory/1400-112-0x00007FF78DD70000-0x00007FF78E0C4000-memory.dmp

        memory/2008-128-0x00007FF733A70000-0x00007FF733DC4000-memory.dmp

        memory/2008-1-0x00000296D91D0000-0x00000296D91E0000-memory.dmp

        memory/2008-0-0x00007FF733A70000-0x00007FF733DC4000-memory.dmp

        memory/2020-126-0x00007FF74ADE0000-0x00007FF74B134000-memory.dmp

        memory/2020-152-0x00007FF74ADE0000-0x00007FF74B134000-memory.dmp

        memory/2084-8-0x00007FF63A490000-0x00007FF63A7E4000-memory.dmp

        memory/2084-133-0x00007FF63A490000-0x00007FF63A7E4000-memory.dmp

        memory/2084-129-0x00007FF63A490000-0x00007FF63A7E4000-memory.dmp

        memory/2404-151-0x00007FF7FB880000-0x00007FF7FBBD4000-memory.dmp

        memory/2404-125-0x00007FF7FB880000-0x00007FF7FBBD4000-memory.dmp

        memory/2608-100-0x00007FF7EC4A0000-0x00007FF7EC7F4000-memory.dmp

        memory/2608-143-0x00007FF7EC4A0000-0x00007FF7EC7F4000-memory.dmp

        memory/2760-135-0x00007FF6D4D80000-0x00007FF6D50D4000-memory.dmp

        memory/2760-22-0x00007FF6D4D80000-0x00007FF6D50D4000-memory.dmp

        memory/2760-131-0x00007FF6D4D80000-0x00007FF6D50D4000-memory.dmp

        memory/2860-14-0x00007FF793200000-0x00007FF793554000-memory.dmp

        memory/2860-130-0x00007FF793200000-0x00007FF793554000-memory.dmp

        memory/2860-134-0x00007FF793200000-0x00007FF793554000-memory.dmp

        memory/3092-144-0x00007FF69C700000-0x00007FF69CA54000-memory.dmp

        memory/3092-101-0x00007FF69C700000-0x00007FF69CA54000-memory.dmp

        memory/3252-146-0x00007FF6BD230000-0x00007FF6BD584000-memory.dmp

        memory/3252-107-0x00007FF6BD230000-0x00007FF6BD584000-memory.dmp

        memory/3588-97-0x00007FF7C3F60000-0x00007FF7C42B4000-memory.dmp

        memory/3588-142-0x00007FF7C3F60000-0x00007FF7C42B4000-memory.dmp

        memory/3752-140-0x00007FF6E6F90000-0x00007FF6E72E4000-memory.dmp

        memory/3752-95-0x00007FF6E6F90000-0x00007FF6E72E4000-memory.dmp

        memory/4140-108-0x00007FF765650000-0x00007FF7659A4000-memory.dmp

        memory/4140-147-0x00007FF765650000-0x00007FF7659A4000-memory.dmp

        memory/4372-139-0x00007FF7A3DC0000-0x00007FF7A4114000-memory.dmp

        memory/4372-90-0x00007FF7A3DC0000-0x00007FF7A4114000-memory.dmp

        memory/4396-149-0x00007FF6986E0000-0x00007FF698A34000-memory.dmp

        memory/4396-115-0x00007FF6986E0000-0x00007FF698A34000-memory.dmp

        memory/4408-127-0x00007FF7EB9D0000-0x00007FF7EBD24000-memory.dmp

        memory/4408-153-0x00007FF7EB9D0000-0x00007FF7EBD24000-memory.dmp

        memory/4900-136-0x00007FF788430000-0x00007FF788784000-memory.dmp

        memory/4900-26-0x00007FF788430000-0x00007FF788784000-memory.dmp

        memory/4956-104-0x00007FF6DB180000-0x00007FF6DB4D4000-memory.dmp

        memory/4956-145-0x00007FF6DB180000-0x00007FF6DB4D4000-memory.dmp

        memory/5064-38-0x00007FF7D27F0000-0x00007FF7D2B44000-memory.dmp

        memory/5064-138-0x00007FF7D27F0000-0x00007FF7D2B44000-memory.dmp