Analysis

  • max time kernel
    149s
  • 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
    25/05/2024, 16:33

General

  • Target
    2024-05-25_eaefb47189ae3adf6ccdaef5af81f128_cobalt-strike_cobaltstrike.exe
  • Size 5.2MB
  • Sample240525-t22ndsbb22
  • SHA256 25fad504c73c8025773f171267939ef57da04ee9a338513841ea6b7f55470d09
  • 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 47 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\2024-05-25_eaefb47189ae3adf6ccdaef5af81f128_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_eaefb47189ae3adf6ccdaef5af81f128_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Windows\System\ELTFBrB.exe
      C:\Windows\System\ELTFBrB.exe
      2⤵
      • Executes dropped EXE
      PID:4036
    • C:\Windows\System\BXZduTV.exe
      C:\Windows\System\BXZduTV.exe
      2⤵
      • Executes dropped EXE
      PID:4540
    • C:\Windows\System\nabWhsJ.exe
      C:\Windows\System\nabWhsJ.exe
      2⤵
      • Executes dropped EXE
      PID:2400
    • C:\Windows\System\YLSxwDS.exe
      C:\Windows\System\YLSxwDS.exe
      2⤵
      • Executes dropped EXE
      PID:2088
    • C:\Windows\System\AnmMhyA.exe
      C:\Windows\System\AnmMhyA.exe
      2⤵
      • Executes dropped EXE
      PID:3092
    • C:\Windows\System\ZnxkRKo.exe
      C:\Windows\System\ZnxkRKo.exe
      2⤵
      • Executes dropped EXE
      PID:2952
    • C:\Windows\System\kuOTlkH.exe
      C:\Windows\System\kuOTlkH.exe
      2⤵
      • Executes dropped EXE
      PID:732
    • C:\Windows\System\QRFpQeK.exe
      C:\Windows\System\QRFpQeK.exe
      2⤵
      • Executes dropped EXE
      PID:696
    • C:\Windows\System\HcZjkFp.exe
      C:\Windows\System\HcZjkFp.exe
      2⤵
      • Executes dropped EXE
      PID:3636
    • C:\Windows\System\DgadmZd.exe
      C:\Windows\System\DgadmZd.exe
      2⤵
      • Executes dropped EXE
      PID:2268
    • C:\Windows\System\oFoYxip.exe
      C:\Windows\System\oFoYxip.exe
      2⤵
      • Executes dropped EXE
      PID:2008
    • C:\Windows\System\MlHiSPb.exe
      C:\Windows\System\MlHiSPb.exe
      2⤵
      • Executes dropped EXE
      PID:4136
    • C:\Windows\System\ladavvz.exe
      C:\Windows\System\ladavvz.exe
      2⤵
      • Executes dropped EXE
      PID:1884
    • C:\Windows\System\iElevMD.exe
      C:\Windows\System\iElevMD.exe
      2⤵
      • Executes dropped EXE
      PID:4512
    • C:\Windows\System\YOidzAN.exe
      C:\Windows\System\YOidzAN.exe
      2⤵
      • Executes dropped EXE
      PID:772
    • C:\Windows\System\XIPOPRP.exe
      C:\Windows\System\XIPOPRP.exe
      2⤵
      • Executes dropped EXE
      PID:2272
    • C:\Windows\System\wFevzcK.exe
      C:\Windows\System\wFevzcK.exe
      2⤵
      • Executes dropped EXE
      PID:376
    • C:\Windows\System\cJEXOfZ.exe
      C:\Windows\System\cJEXOfZ.exe
      2⤵
      • Executes dropped EXE
      PID:4836
    • C:\Windows\System\YthfhNO.exe
      C:\Windows\System\YthfhNO.exe
      2⤵
      • Executes dropped EXE
      PID:4880
    • C:\Windows\System\FMwPpHd.exe
      C:\Windows\System\FMwPpHd.exe
      2⤵
      • Executes dropped EXE
      PID:3924
    • C:\Windows\System\sSoJTxf.exe
      C:\Windows\System\sSoJTxf.exe
      2⤵
      • Executes dropped EXE
      PID:4592

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AnmMhyA.exe

        • Path C:\Windows\System\AnmMhyA.exe
        • Size 5.2MB
        • SHA256 c2c7c35ce7560e0952e0dabbe2446e6328daef67a978c36b0c9c6d1076151511
        • MD5 SHA1 SHA512 SSDEEP

        BXZduTV.exe

        • Path C:\Windows\System\BXZduTV.exe
        • Size 5.2MB
        • SHA256 97b5dea78b8467602ab2ead0dbaf12258023592714f8c5fb42a3d1e5defd4bbc
        • MD5 SHA1 SHA512 SSDEEP

        DgadmZd.exe

        • Path C:\Windows\System\DgadmZd.exe
        • Size 5.2MB
        • SHA256 61a21d1eff1f2bbdd8c6055a6d1d24c46b06b47b76051388279e1fc1f788ab0e
        • MD5 SHA1 SHA512 SSDEEP

        ELTFBrB.exe

        • Path C:\Windows\System\ELTFBrB.exe
        • Size 5.2MB
        • SHA256 8763c2768b09834454535317365bf5a7737a0d7521ced531b1659005dea48345
        • MD5 SHA1 SHA512 SSDEEP

        FMwPpHd.exe

        • Path C:\Windows\System\FMwPpHd.exe
        • Size 5.2MB
        • SHA256 ca51238c9cad495163d53d115cf598e39847303386e2c0f91dae97d17c73dab4
        • MD5 SHA1 SHA512 SSDEEP

        HcZjkFp.exe

        • Path C:\Windows\System\HcZjkFp.exe
        • Size 5.2MB
        • SHA256 209cc28d93f64f66eb1e14a0510e51e8ea0d13c49d931a29942360d977b6767a
        • MD5 SHA1 SHA512 SSDEEP

        MlHiSPb.exe

        • Path C:\Windows\System\MlHiSPb.exe
        • Size 5.2MB
        • SHA256 fd56b87b85000e2b638e90d97b9712cc0fcb80b09249d256400047151015f345
        • MD5 SHA1 SHA512 SSDEEP

        QRFpQeK.exe

        • Path C:\Windows\System\QRFpQeK.exe
        • Size 5.2MB
        • SHA256 64fbef9fc3ddd3d9388f2ed0aa7d3f0a8cb704c033548f424cc080fa7adc9f58
        • MD5 SHA1 SHA512 SSDEEP

        XIPOPRP.exe

        • Path C:\Windows\System\XIPOPRP.exe
        • Size 5.2MB
        • SHA256 7ca200f903b1cf4672208dd61d787dd54aa8deb7b4a013a5c8bb54a24df56e98
        • MD5 SHA1 SHA512 SSDEEP

        YLSxwDS.exe

        • Path C:\Windows\System\YLSxwDS.exe
        • Size 5.2MB
        • SHA256 7712014ce42f37f6a61c95db7999e834662a5e804e92de5095d091b3aa777c8e
        • MD5 SHA1 SHA512 SSDEEP

        YOidzAN.exe

        • Path C:\Windows\System\YOidzAN.exe
        • Size 5.2MB
        • SHA256 a69170f57dad72c5bc0aa01565722c6f38e4e4f7d38427c74689327b64e94df7
        • MD5 SHA1 SHA512 SSDEEP

        YthfhNO.exe

        • Path C:\Windows\System\YthfhNO.exe
        • Size 5.2MB
        • SHA256 867bf368e9c64fd6975d486c0411b0d762b30966c197d5ee19b75a4f8e32ede2
        • MD5 SHA1 SHA512 SSDEEP

        ZnxkRKo.exe

        • Path C:\Windows\System\ZnxkRKo.exe
        • Size 5.2MB
        • SHA256 0a5d503697276c8de65342e2c1499e94e7dfda4fdb7850313a5ab42ad99d6320
        • MD5 SHA1 SHA512 SSDEEP

        cJEXOfZ.exe

        • Path C:\Windows\System\cJEXOfZ.exe
        • Size 5.2MB
        • SHA256 75276b39a7f4d8c499a35373e8f6009b3be2c40e563e4b48f0f4d07b4acbdaea
        • MD5 SHA1 SHA512 SSDEEP

        iElevMD.exe

        • Path C:\Windows\System\iElevMD.exe
        • Size 5.2MB
        • SHA256 daba40e4808530ec210c7cfede51e007ba152088819d7203ec9cbe26fb793512
        • MD5 SHA1 SHA512 SSDEEP

        kuOTlkH.exe

        • Path C:\Windows\System\kuOTlkH.exe
        • Size 5.2MB
        • SHA256 8f8ca5119796c428c1424aa1a79fde5a8a2dddb022e6b42e5430bdc67d0371d0
        • MD5 SHA1 SHA512 SSDEEP

        ladavvz.exe

        • Path C:\Windows\System\ladavvz.exe
        • Size 5.2MB
        • SHA256 a48d23f6a809b322820277a0c88e14356034527cd366b87b94ddf3357a7c6d49
        • MD5 SHA1 SHA512 SSDEEP

        nabWhsJ.exe

        • Path C:\Windows\System\nabWhsJ.exe
        • Size 5.2MB
        • SHA256 95f2bdc37f2ab608110ae1aaa5ca51dd8516357683bfa553a3dbfaca02dfa159
        • MD5 SHA1 SHA512 SSDEEP

        oFoYxip.exe

        • Path C:\Windows\System\oFoYxip.exe
        • Size 5.2MB
        • SHA256 570f69cbc8f21f3721a3edd4950c7349f96775708195a6e755f20199f2abaed4
        • MD5 SHA1 SHA512 SSDEEP

        sSoJTxf.exe

        • Path C:\Windows\System\sSoJTxf.exe
        • Size 5.2MB
        • SHA256 22bb6139fae1ce857ea012c9aa3a449021dc74a2c919ccce78cc4c7e89c17ea8
        • MD5 SHA1 SHA512 SSDEEP

        wFevzcK.exe

        • Path C:\Windows\System\wFevzcK.exe
        • Size 5.2MB
        • SHA256 a45ab57f3c054216bdd2fecc10e57a6b8f46c738b4bbc832742ac8912e4a1bf4
        • MD5 SHA1 SHA512 SSDEEP

        memory/376-108-0x00007FF70D010000-0x00007FF70D361000-memory.dmp

        memory/376-150-0x00007FF70D010000-0x00007FF70D361000-memory.dmp

        memory/376-240-0x00007FF70D010000-0x00007FF70D361000-memory.dmp

        memory/696-58-0x00007FF798A70000-0x00007FF798DC1000-memory.dmp

        memory/696-215-0x00007FF798A70000-0x00007FF798DC1000-memory.dmp

        memory/732-212-0x00007FF694FC0000-0x00007FF695311000-memory.dmp

        memory/732-43-0x00007FF694FC0000-0x00007FF695311000-memory.dmp

        memory/772-230-0x00007FF71F2C0000-0x00007FF71F611000-memory.dmp

        memory/772-94-0x00007FF71F2C0000-0x00007FF71F611000-memory.dmp

        memory/1884-226-0x00007FF659190000-0x00007FF6594E1000-memory.dmp

        memory/1884-80-0x00007FF659190000-0x00007FF6594E1000-memory.dmp

        memory/2008-68-0x00007FF7A3720000-0x00007FF7A3A71000-memory.dmp

        memory/2008-218-0x00007FF7A3720000-0x00007FF7A3A71000-memory.dmp

        memory/2088-207-0x00007FF6BBF60000-0x00007FF6BC2B1000-memory.dmp

        memory/2088-32-0x00007FF6BBF60000-0x00007FF6BC2B1000-memory.dmp

        memory/2268-61-0x00007FF78F720000-0x00007FF78FA71000-memory.dmp

        memory/2268-126-0x00007FF78F720000-0x00007FF78FA71000-memory.dmp

        memory/2268-221-0x00007FF78F720000-0x00007FF78FA71000-memory.dmp

        memory/2272-100-0x00007FF70EC20000-0x00007FF70EF71000-memory.dmp

        memory/2272-238-0x00007FF70EC20000-0x00007FF70EF71000-memory.dmp

        memory/2272-149-0x00007FF70EC20000-0x00007FF70EF71000-memory.dmp

        memory/2400-20-0x00007FF71EA00000-0x00007FF71ED51000-memory.dmp

        memory/2400-205-0x00007FF71EA00000-0x00007FF71ED51000-memory.dmp

        memory/2952-213-0x00007FF78D870000-0x00007FF78DBC1000-memory.dmp

        memory/2952-42-0x00007FF78D870000-0x00007FF78DBC1000-memory.dmp

        memory/3092-46-0x00007FF6CE4E0000-0x00007FF6CE831000-memory.dmp

        memory/3092-210-0x00007FF6CE4E0000-0x00007FF6CE831000-memory.dmp

        memory/3636-59-0x00007FF7BACF0000-0x00007FF7BB041000-memory.dmp

        memory/3636-219-0x00007FF7BACF0000-0x00007FF7BB041000-memory.dmp

        memory/3924-125-0x00007FF7C8D80000-0x00007FF7C90D1000-memory.dmp

        memory/3924-153-0x00007FF7C8D80000-0x00007FF7C90D1000-memory.dmp

        memory/3924-248-0x00007FF7C8D80000-0x00007FF7C90D1000-memory.dmp

        memory/4036-6-0x00007FF6A2D90000-0x00007FF6A30E1000-memory.dmp

        memory/4036-201-0x00007FF6A2D90000-0x00007FF6A30E1000-memory.dmp

        memory/4036-93-0x00007FF6A2D90000-0x00007FF6A30E1000-memory.dmp

        memory/4136-140-0x00007FF678D50000-0x00007FF6790A1000-memory.dmp

        memory/4136-224-0x00007FF678D50000-0x00007FF6790A1000-memory.dmp

        memory/4136-74-0x00007FF678D50000-0x00007FF6790A1000-memory.dmp

        memory/4512-87-0x00007FF78A170000-0x00007FF78A4C1000-memory.dmp

        memory/4512-228-0x00007FF78A170000-0x00007FF78A4C1000-memory.dmp

        memory/4540-203-0x00007FF7F6DB0000-0x00007FF7F7101000-memory.dmp

        memory/4540-99-0x00007FF7F6DB0000-0x00007FF7F7101000-memory.dmp

        memory/4540-12-0x00007FF7F6DB0000-0x00007FF7F7101000-memory.dmp

        memory/4592-247-0x00007FF657F30000-0x00007FF658281000-memory.dmp

        memory/4592-127-0x00007FF657F30000-0x00007FF658281000-memory.dmp

        memory/4592-154-0x00007FF657F30000-0x00007FF658281000-memory.dmp

        memory/4644-132-0x00007FF6E7FD0000-0x00007FF6E8321000-memory.dmp

        memory/4644-155-0x00007FF6E7FD0000-0x00007FF6E8321000-memory.dmp

        memory/4644-1-0x000002C341FB0000-0x000002C341FC0000-memory.dmp

        memory/4644-86-0x00007FF6E7FD0000-0x00007FF6E8321000-memory.dmp

        memory/4644-0-0x00007FF6E7FD0000-0x00007FF6E8321000-memory.dmp

        memory/4836-120-0x00007FF63FAD0000-0x00007FF63FE21000-memory.dmp

        memory/4836-244-0x00007FF63FAD0000-0x00007FF63FE21000-memory.dmp

        memory/4880-121-0x00007FF76AA10000-0x00007FF76AD61000-memory.dmp

        memory/4880-243-0x00007FF76AA10000-0x00007FF76AD61000-memory.dmp