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
    02/06/2024, 00:20

General

  • Target
    2024-06-01_d6de2fcb5588fab7a986c3eaa91b07e3_cobalt-strike_cobaltstrike.exe
  • Size 5.2MB
  • Sample240602-am7fjscg23
  • SHA256 f1f3082ad00e446e5039c02e2b5807e612570635dab04039c6d19ff4337ac8ce
  • 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 45 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\2024-06-01_d6de2fcb5588fab7a986c3eaa91b07e3_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_d6de2fcb5588fab7a986c3eaa91b07e3_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Windows\System\fwXKmat.exe
      C:\Windows\System\fwXKmat.exe
      2⤵
      • Executes dropped EXE
      PID:2596
    • C:\Windows\System\IvLYJgD.exe
      C:\Windows\System\IvLYJgD.exe
      2⤵
      • Executes dropped EXE
      PID:2744
    • C:\Windows\System\NaTZkBc.exe
      C:\Windows\System\NaTZkBc.exe
      2⤵
      • Executes dropped EXE
      PID:1892
    • C:\Windows\System\BBqUFBm.exe
      C:\Windows\System\BBqUFBm.exe
      2⤵
      • Executes dropped EXE
      PID:4968
    • C:\Windows\System\ASwuwyc.exe
      C:\Windows\System\ASwuwyc.exe
      2⤵
      • Executes dropped EXE
      PID:4448
    • C:\Windows\System\LxZzKCM.exe
      C:\Windows\System\LxZzKCM.exe
      2⤵
      • Executes dropped EXE
      PID:4504
    • C:\Windows\System\uDHecms.exe
      C:\Windows\System\uDHecms.exe
      2⤵
      • Executes dropped EXE
      PID:4216
    • C:\Windows\System\KHfMnXw.exe
      C:\Windows\System\KHfMnXw.exe
      2⤵
      • Executes dropped EXE
      PID:3576
    • C:\Windows\System\wULjXGm.exe
      C:\Windows\System\wULjXGm.exe
      2⤵
      • Executes dropped EXE
      PID:4920
    • C:\Windows\System\WLzGeUu.exe
      C:\Windows\System\WLzGeUu.exe
      2⤵
      • Executes dropped EXE
      PID:3344
    • C:\Windows\System\rRBxoFa.exe
      C:\Windows\System\rRBxoFa.exe
      2⤵
      • Executes dropped EXE
      PID:4888
    • C:\Windows\System\WJOnVEF.exe
      C:\Windows\System\WJOnVEF.exe
      2⤵
      • Executes dropped EXE
      PID:896
    • C:\Windows\System\BrAWsvC.exe
      C:\Windows\System\BrAWsvC.exe
      2⤵
      • Executes dropped EXE
      PID:2068
    • C:\Windows\System\bjBFYmY.exe
      C:\Windows\System\bjBFYmY.exe
      2⤵
      • Executes dropped EXE
      PID:5076
    • C:\Windows\System\SoZCjcG.exe
      C:\Windows\System\SoZCjcG.exe
      2⤵
      • Executes dropped EXE
      PID:440
    • C:\Windows\System\GHtkDEI.exe
      C:\Windows\System\GHtkDEI.exe
      2⤵
      • Executes dropped EXE
      PID:432
    • C:\Windows\System\hhYsEkd.exe
      C:\Windows\System\hhYsEkd.exe
      2⤵
      • Executes dropped EXE
      PID:4932
    • C:\Windows\System\alpQkrf.exe
      C:\Windows\System\alpQkrf.exe
      2⤵
      • Executes dropped EXE
      PID:2448
    • C:\Windows\System\KoyXxzi.exe
      C:\Windows\System\KoyXxzi.exe
      2⤵
      • Executes dropped EXE
      PID:1052
    • C:\Windows\System\DCiHGUX.exe
      C:\Windows\System\DCiHGUX.exe
      2⤵
      • Executes dropped EXE
      PID:628
    • C:\Windows\System\QiCbwOg.exe
      C:\Windows\System\QiCbwOg.exe
      2⤵
      • Executes dropped EXE
      PID:2372

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ASwuwyc.exe

        • Path C:\Windows\System\ASwuwyc.exe
        • Size 5.2MB
        • SHA256 5ea6cfe144271d01a8cecc2d51de6845fd6a744cf0920d1a8a61c9eea6fc4ad4
        • MD5 SHA1 SHA512 SSDEEP

        BBqUFBm.exe

        • Path C:\Windows\System\BBqUFBm.exe
        • Size 5.2MB
        • SHA256 7b39c59e6b978a1ac8cd02fea53d6064a14a1cd2a6f8764b0d2640cfa7caad9e
        • MD5 SHA1 SHA512 SSDEEP

        BrAWsvC.exe

        • Path C:\Windows\System\BrAWsvC.exe
        • Size 5.2MB
        • SHA256 795f750c4e33c12aeeddda12967b3aa4394cc59d4c4dc48d1bbf197b01fba0ff
        • MD5 SHA1 SHA512 SSDEEP

        DCiHGUX.exe

        • Path C:\Windows\System\DCiHGUX.exe
        • Size 5.2MB
        • SHA256 411129fa389912d44c4d4559ff53680947638ab375c984eb807610ad4d829c56
        • MD5 SHA1 SHA512 SSDEEP

        GHtkDEI.exe

        • Path C:\Windows\System\GHtkDEI.exe
        • Size 5.2MB
        • SHA256 625c10dfdc52c2f5c9384f2749360eccf1c70675e0d8a783b0a8077862d2778c
        • MD5 SHA1 SHA512 SSDEEP

        IvLYJgD.exe

        • Path C:\Windows\System\IvLYJgD.exe
        • Size 5.2MB
        • SHA256 9583ab41077ca01c94cfd60f115b1b44412dc298be5f4601eabdeac205b2dbcc
        • MD5 SHA1 SHA512 SSDEEP

        KHfMnXw.exe

        • Path C:\Windows\System\KHfMnXw.exe
        • Size 5.2MB
        • SHA256 fb5a5b3e3b1160ce65e33a24bd51dcbc7fc8c2d70f7368a0ee88b41576c30c1f
        • MD5 SHA1 SHA512 SSDEEP

        KoyXxzi.exe

        • Path C:\Windows\System\KoyXxzi.exe
        • Size 5.2MB
        • SHA256 607386d8a42e9e41566e072f0d07f181fe3f03eb572b2bf21dd3adf5b0163690
        • MD5 SHA1 SHA512 SSDEEP

        LxZzKCM.exe

        • Path C:\Windows\System\LxZzKCM.exe
        • Size 5.2MB
        • SHA256 c5c8aa03a22d3e38d0da9dca9c7bf9b9e32d87a6afaa0201700fefe0866ef49c
        • MD5 SHA1 SHA512 SSDEEP

        NaTZkBc.exe

        • Path C:\Windows\System\NaTZkBc.exe
        • Size 5.2MB
        • SHA256 2fd5ca08873f66997d3b3af4af6c381e0da4aeaec5e9eb908e2fde565dd54328
        • MD5 SHA1 SHA512 SSDEEP

        QiCbwOg.exe

        • Path C:\Windows\System\QiCbwOg.exe
        • Size 5.2MB
        • SHA256 03a8db06fd3661cd9c524d4cf9815340a36da12fb78cbb008779498c188d2a5f
        • MD5 SHA1 SHA512 SSDEEP

        SoZCjcG.exe

        • Path C:\Windows\System\SoZCjcG.exe
        • Size 5.2MB
        • SHA256 cbd3d5652d8cbb0a37698eea9ddeea7af2b21f460d7180020f81e467aa09a595
        • MD5 SHA1 SHA512 SSDEEP

        WJOnVEF.exe

        • Path C:\Windows\System\WJOnVEF.exe
        • Size 5.2MB
        • SHA256 dda595e394db9cfe89f8cd97e1e6bbc9ca349c99f20c3a2ffed930bf4df4ffde
        • MD5 SHA1 SHA512 SSDEEP

        WLzGeUu.exe

        • Path C:\Windows\System\WLzGeUu.exe
        • Size 5.2MB
        • SHA256 af12730833e84df1820869c9b14edcd091b6d6a012e91a6b57e0e6006de06805
        • MD5 SHA1 SHA512 SSDEEP

        alpQkrf.exe

        • Path C:\Windows\System\alpQkrf.exe
        • Size 5.2MB
        • SHA256 1af20f5aefa33f5115c457b2a88803442a2aac3fe8476868c630ec9a82ae3aad
        • MD5 SHA1 SHA512 SSDEEP

        bjBFYmY.exe

        • Path C:\Windows\System\bjBFYmY.exe
        • Size 5.2MB
        • SHA256 0c4c8dee660c5c0fe407c9a49b94c44cea4e7e7b65ebcbe6e435bcac98b433d5
        • MD5 SHA1 SHA512 SSDEEP

        fwXKmat.exe

        • Path C:\Windows\System\fwXKmat.exe
        • Size 5.2MB
        • SHA256 4f6bde8bfa636b93be74f543f09209222bb6bd028895c7e60e5a0976caaa8f37
        • MD5 SHA1 SHA512 SSDEEP

        hhYsEkd.exe

        • Path C:\Windows\System\hhYsEkd.exe
        • Size 5.2MB
        • SHA256 e0001b18e5f218ae3295b7fd79f00af41cdfda306b6b38a20c19270ac25941e9
        • MD5 SHA1 SHA512 SSDEEP

        rRBxoFa.exe

        • Path C:\Windows\System\rRBxoFa.exe
        • Size 5.2MB
        • SHA256 c9219b6f0d155ef0395b9af112566cdc51cafa1df49f26fc457d3ad5dd306695
        • MD5 SHA1 SHA512 SSDEEP

        uDHecms.exe

        • Path C:\Windows\System\uDHecms.exe
        • Size 5.2MB
        • SHA256 57c92b7e3d3767bbedab5cc5503e3d2102e182bd59413e92016875821f5d7d96
        • MD5 SHA1 SHA512 SSDEEP

        wULjXGm.exe

        • Path C:\Windows\System\wULjXGm.exe
        • Size 5.2MB
        • SHA256 8b1253f2f88d805d86d3205eeec4d9b26ab002226e7803ba50b8f7ee38598f66
        • MD5 SHA1 SHA512 SSDEEP

        memory/432-150-0x00007FF763F10000-0x00007FF764261000-memory.dmp

        memory/432-235-0x00007FF763F10000-0x00007FF764261000-memory.dmp

        memory/432-94-0x00007FF763F10000-0x00007FF764261000-memory.dmp

        memory/440-149-0x00007FF7219C0000-0x00007FF721D11000-memory.dmp

        memory/440-87-0x00007FF7219C0000-0x00007FF721D11000-memory.dmp

        memory/440-237-0x00007FF7219C0000-0x00007FF721D11000-memory.dmp

        memory/628-250-0x00007FF7A3C60000-0x00007FF7A3FB1000-memory.dmp

        memory/628-130-0x00007FF7A3C60000-0x00007FF7A3FB1000-memory.dmp

        memory/896-232-0x00007FF7D67B0000-0x00007FF7D6B01000-memory.dmp

        memory/896-86-0x00007FF7D67B0000-0x00007FF7D6B01000-memory.dmp

        memory/1052-129-0x00007FF7F32F0000-0x00007FF7F3641000-memory.dmp

        memory/1052-247-0x00007FF7F32F0000-0x00007FF7F3641000-memory.dmp

        memory/1228-156-0x00007FF6B2070000-0x00007FF6B23C1000-memory.dmp

        memory/1228-0-0x00007FF6B2070000-0x00007FF6B23C1000-memory.dmp

        memory/1228-134-0x00007FF6B2070000-0x00007FF6B23C1000-memory.dmp

        memory/1228-70-0x00007FF6B2070000-0x00007FF6B23C1000-memory.dmp

        memory/1228-1-0x000002283B0D0000-0x000002283B0E0000-memory.dmp

        memory/1892-101-0x00007FF6A1BC0000-0x00007FF6A1F11000-memory.dmp

        memory/1892-21-0x00007FF6A1BC0000-0x00007FF6A1F11000-memory.dmp

        memory/1892-217-0x00007FF6A1BC0000-0x00007FF6A1F11000-memory.dmp

        memory/2068-147-0x00007FF6F8120000-0x00007FF6F8471000-memory.dmp

        memory/2068-93-0x00007FF6F8120000-0x00007FF6F8471000-memory.dmp

        memory/2068-239-0x00007FF6F8120000-0x00007FF6F8471000-memory.dmp

        memory/2372-131-0x00007FF6AE1C0000-0x00007FF6AE511000-memory.dmp

        memory/2372-251-0x00007FF6AE1C0000-0x00007FF6AE511000-memory.dmp

        memory/2448-128-0x00007FF7B7140000-0x00007FF7B7491000-memory.dmp

        memory/2448-245-0x00007FF7B7140000-0x00007FF7B7491000-memory.dmp

        memory/2596-89-0x00007FF741570000-0x00007FF7418C1000-memory.dmp

        memory/2596-211-0x00007FF741570000-0x00007FF7418C1000-memory.dmp

        memory/2596-6-0x00007FF741570000-0x00007FF7418C1000-memory.dmp

        memory/2744-12-0x00007FF6AF1E0000-0x00007FF6AF531000-memory.dmp

        memory/2744-213-0x00007FF6AF1E0000-0x00007FF6AF531000-memory.dmp

        memory/2744-100-0x00007FF6AF1E0000-0x00007FF6AF531000-memory.dmp

        memory/3344-144-0x00007FF6A9350000-0x00007FF6A96A1000-memory.dmp

        memory/3344-71-0x00007FF6A9350000-0x00007FF6A96A1000-memory.dmp

        memory/3344-233-0x00007FF6A9350000-0x00007FF6A96A1000-memory.dmp

        memory/3576-50-0x00007FF7A33F0000-0x00007FF7A3741000-memory.dmp

        memory/3576-225-0x00007FF7A33F0000-0x00007FF7A3741000-memory.dmp

        memory/4216-223-0x00007FF669CD0000-0x00007FF66A021000-memory.dmp

        memory/4216-43-0x00007FF669CD0000-0x00007FF66A021000-memory.dmp

        memory/4216-141-0x00007FF669CD0000-0x00007FF66A021000-memory.dmp

        memory/4448-133-0x00007FF6BD0C0000-0x00007FF6BD411000-memory.dmp

        memory/4448-219-0x00007FF6BD0C0000-0x00007FF6BD411000-memory.dmp

        memory/4448-35-0x00007FF6BD0C0000-0x00007FF6BD411000-memory.dmp

        memory/4504-140-0x00007FF642960000-0x00007FF642CB1000-memory.dmp

        memory/4504-221-0x00007FF642960000-0x00007FF642CB1000-memory.dmp

        memory/4504-38-0x00007FF642960000-0x00007FF642CB1000-memory.dmp

        memory/4888-229-0x00007FF6E7160000-0x00007FF6E74B1000-memory.dmp

        memory/4888-81-0x00007FF6E7160000-0x00007FF6E74B1000-memory.dmp

        memory/4888-145-0x00007FF6E7160000-0x00007FF6E74B1000-memory.dmp

        memory/4920-227-0x00007FF785B40000-0x00007FF785E91000-memory.dmp

        memory/4920-59-0x00007FF785B40000-0x00007FF785E91000-memory.dmp

        memory/4920-143-0x00007FF785B40000-0x00007FF785E91000-memory.dmp

        memory/4932-127-0x00007FF6B2B30000-0x00007FF6B2E81000-memory.dmp

        memory/4932-244-0x00007FF6B2B30000-0x00007FF6B2E81000-memory.dmp

        memory/4968-132-0x00007FF7C5F70000-0x00007FF7C62C1000-memory.dmp

        memory/4968-22-0x00007FF7C5F70000-0x00007FF7C62C1000-memory.dmp

        memory/4968-216-0x00007FF7C5F70000-0x00007FF7C62C1000-memory.dmp

        memory/5076-241-0x00007FF6316B0000-0x00007FF631A01000-memory.dmp

        memory/5076-90-0x00007FF6316B0000-0x00007FF631A01000-memory.dmp

        memory/5076-148-0x00007FF6316B0000-0x00007FF631A01000-memory.dmp