Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 22:57

General

  • Target
    2024-06-02_372cb383188bc58fd7d2e8c57b022e7e_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240602-2xcgpsab4w
  • SHA256 738a4782a1812bf18dd2e5238dc50c805dcc29e7aae3fac3be47878958888212
  • 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\2024-06-02_372cb383188bc58fd7d2e8c57b022e7e_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_372cb383188bc58fd7d2e8c57b022e7e_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\System\aQyQJVQ.exe
      C:\Windows\System\aQyQJVQ.exe
      2⤵
      • Executes dropped EXE
      PID:3636
    • C:\Windows\System\rShcbhQ.exe
      C:\Windows\System\rShcbhQ.exe
      2⤵
      • Executes dropped EXE
      PID:1880
    • C:\Windows\System\zVZphVO.exe
      C:\Windows\System\zVZphVO.exe
      2⤵
      • Executes dropped EXE
      PID:2736
    • C:\Windows\System\zehOtcK.exe
      C:\Windows\System\zehOtcK.exe
      2⤵
      • Executes dropped EXE
      PID:4136
    • C:\Windows\System\segSgFn.exe
      C:\Windows\System\segSgFn.exe
      2⤵
      • Executes dropped EXE
      PID:1136
    • C:\Windows\System\uQNSSqM.exe
      C:\Windows\System\uQNSSqM.exe
      2⤵
      • Executes dropped EXE
      PID:904
    • C:\Windows\System\XUOttUq.exe
      C:\Windows\System\XUOttUq.exe
      2⤵
      • Executes dropped EXE
      PID:4108
    • C:\Windows\System\auKuaMM.exe
      C:\Windows\System\auKuaMM.exe
      2⤵
      • Executes dropped EXE
      PID:2348
    • C:\Windows\System\jtrQqGv.exe
      C:\Windows\System\jtrQqGv.exe
      2⤵
      • Executes dropped EXE
      PID:3608
    • C:\Windows\System\uJenplH.exe
      C:\Windows\System\uJenplH.exe
      2⤵
      • Executes dropped EXE
      PID:1548
    • C:\Windows\System\QlEMiMV.exe
      C:\Windows\System\QlEMiMV.exe
      2⤵
      • Executes dropped EXE
      PID:4996
    • C:\Windows\System\QhDDKyx.exe
      C:\Windows\System\QhDDKyx.exe
      2⤵
      • Executes dropped EXE
      PID:1892
    • C:\Windows\System\aynDWGz.exe
      C:\Windows\System\aynDWGz.exe
      2⤵
      • Executes dropped EXE
      PID:5092
    • C:\Windows\System\CymZvoL.exe
      C:\Windows\System\CymZvoL.exe
      2⤵
      • Executes dropped EXE
      PID:2884
    • C:\Windows\System\EnwCVLd.exe
      C:\Windows\System\EnwCVLd.exe
      2⤵
      • Executes dropped EXE
      PID:3280
    • C:\Windows\System\YALKWyH.exe
      C:\Windows\System\YALKWyH.exe
      2⤵
      • Executes dropped EXE
      PID:2456
    • C:\Windows\System\cbdaFwZ.exe
      C:\Windows\System\cbdaFwZ.exe
      2⤵
      • Executes dropped EXE
      PID:392
    • C:\Windows\System\FlvSlWo.exe
      C:\Windows\System\FlvSlWo.exe
      2⤵
      • Executes dropped EXE
      PID:4040
    • C:\Windows\System\OpwRHuV.exe
      C:\Windows\System\OpwRHuV.exe
      2⤵
      • Executes dropped EXE
      PID:720
    • C:\Windows\System\duaQeYn.exe
      C:\Windows\System\duaQeYn.exe
      2⤵
      • Executes dropped EXE
      PID:1396
    • C:\Windows\System\eLDldgV.exe
      C:\Windows\System\eLDldgV.exe
      2⤵
      • Executes dropped EXE
      PID:2656

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CymZvoL.exe

        • Path C:\Windows\System\CymZvoL.exe
        • Size 5.9MB
        • SHA256 897cb859991d4d253142f22baf7e2f42ed0c3e909b222981b086ee0cafd92775
        • MD5 SHA1 SHA512 SSDEEP

        EnwCVLd.exe

        • Path C:\Windows\System\EnwCVLd.exe
        • Size 5.9MB
        • SHA256 9d35b55b783616a3426a49d2c048e14f64cbe0ff4399482442b871e1c1c292ce
        • MD5 SHA1 SHA512 SSDEEP

        FlvSlWo.exe

        • Path C:\Windows\System\FlvSlWo.exe
        • Size 5.9MB
        • SHA256 b94d5cfa138a43c74687056c584510fe066e2a6a48cce5772b0cf27d508e9754
        • MD5 SHA1 SHA512 SSDEEP

        OpwRHuV.exe

        • Path C:\Windows\System\OpwRHuV.exe
        • Size 5.9MB
        • SHA256 f3b905855872444bc3e42a33d5c0227bea2920ce2d00150271dfbd8f4d9dd4a7
        • MD5 SHA1 SHA512 SSDEEP

        QhDDKyx.exe

        • Path C:\Windows\System\QhDDKyx.exe
        • Size 5.9MB
        • SHA256 3d3cf158cc464d40001b9bc5a0ee5ce88e58be8197045932fce0ed75170824cb
        • MD5 SHA1 SHA512 SSDEEP

        QlEMiMV.exe

        • Path C:\Windows\System\QlEMiMV.exe
        • Size 5.9MB
        • SHA256 1abd17e1c53cb253ba0564d3a5c213da41a9ab9d607d8f252f671ac8ba12e349
        • MD5 SHA1 SHA512 SSDEEP

        XUOttUq.exe

        • Path C:\Windows\System\XUOttUq.exe
        • Size 5.9MB
        • SHA256 dadf166080998eedf747fc98317bb1be21ee961e56d764916e9eadbd58a82f80
        • MD5 SHA1 SHA512 SSDEEP

        YALKWyH.exe

        • Path C:\Windows\System\YALKWyH.exe
        • Size 5.9MB
        • SHA256 61b0c116d94d532121203e3a54526931aa0aca468da49ba00e1c206d7546d10e
        • MD5 SHA1 SHA512 SSDEEP

        aQyQJVQ.exe

        • Path C:\Windows\System\aQyQJVQ.exe
        • Size 5.9MB
        • SHA256 05aeb0de7f25300492423a77c9d353c1d335fa42e9b1eb65b4ce4238ea29c473
        • MD5 SHA1 SHA512 SSDEEP

        auKuaMM.exe

        • Path C:\Windows\System\auKuaMM.exe
        • Size 5.9MB
        • SHA256 806a5ad5c6ebdd59168691fb98f5bb005baa42bac104aa7dace8a9f69503d508
        • MD5 SHA1 SHA512 SSDEEP

        aynDWGz.exe

        • Path C:\Windows\System\aynDWGz.exe
        • Size 5.9MB
        • SHA256 a48434399c9078244f95142e1a838a32000d68eaf5a2f030e7ee9d04f64923ae
        • MD5 SHA1 SHA512 SSDEEP

        cbdaFwZ.exe

        • Path C:\Windows\System\cbdaFwZ.exe
        • Size 5.9MB
        • SHA256 79035d03f523b9d2c8445e0f03ca95c9dc51190e427244406c9cfc6072448ced
        • MD5 SHA1 SHA512 SSDEEP

        duaQeYn.exe

        • Path C:\Windows\System\duaQeYn.exe
        • Size 5.9MB
        • SHA256 5ef720b738dbea863046e8d95ab880c8bb8960e4225739ae6a5fc8c8cecca32a
        • MD5 SHA1 SHA512 SSDEEP

        eLDldgV.exe

        • Path C:\Windows\System\eLDldgV.exe
        • Size 5.9MB
        • SHA256 039933c103e2a42e52122a4705a298994d40560f1cdffb689d46f58b527b79fd
        • MD5 SHA1 SHA512 SSDEEP

        jtrQqGv.exe

        • Path C:\Windows\System\jtrQqGv.exe
        • Size 5.9MB
        • SHA256 db2669736478aa033464bcd19dfeab32277c24952238581b97f981be9432fa22
        • MD5 SHA1 SHA512 SSDEEP

        rShcbhQ.exe

        • Path C:\Windows\System\rShcbhQ.exe
        • Size 5.9MB
        • SHA256 8398349f78ce69a74fe0e8d034705a5729ac784c7dfd8651266bd4d97a721941
        • MD5 SHA1 SHA512 SSDEEP

        segSgFn.exe

        • Path C:\Windows\System\segSgFn.exe
        • Size 5.9MB
        • SHA256 5c990e889f36a5989378dc11a59bb5ff3e5d73270e071ef499903b7cb608047d
        • MD5 SHA1 SHA512 SSDEEP

        uJenplH.exe

        • Path C:\Windows\System\uJenplH.exe
        • Size 5.9MB
        • SHA256 3dbc870fe2b70c2d51977bd069b1716ad3bc7be580af8e5b69003b029f6bd442
        • MD5 SHA1 SHA512 SSDEEP

        uQNSSqM.exe

        • Path C:\Windows\System\uQNSSqM.exe
        • Size 5.9MB
        • SHA256 c0052bc3e6f0c4495033bb30bb4959f1e0dfb997c02bb45ce6819aa0fbda7286
        • MD5 SHA1 SHA512 SSDEEP

        zVZphVO.exe

        • Path C:\Windows\System\zVZphVO.exe
        • Size 5.9MB
        • SHA256 dc113f80b2b1a37890c943f7cc83fa8b8f3eb7ac96c90d34c5a0a7ef86caac56
        • MD5 SHA1 SHA512 SSDEEP

        zehOtcK.exe

        • Path C:\Windows\System\zehOtcK.exe
        • Size 5.9MB
        • SHA256 3749207fe0ee1cc85ba5d903edd8d383cb8f29b985a1635bd3af8629298ddb30
        • MD5 SHA1 SHA512 SSDEEP

        memory/392-112-0x00007FF61DE70000-0x00007FF61E1C4000-memory.dmp

        memory/392-153-0x00007FF61DE70000-0x00007FF61E1C4000-memory.dmp

        memory/720-131-0x00007FF753AC0000-0x00007FF753E14000-memory.dmp

        memory/720-155-0x00007FF753AC0000-0x00007FF753E14000-memory.dmp

        memory/904-38-0x00007FF7B1E00000-0x00007FF7B2154000-memory.dmp

        memory/904-142-0x00007FF7B1E00000-0x00007FF7B2154000-memory.dmp

        memory/1136-141-0x00007FF60EFF0000-0x00007FF60F344000-memory.dmp

        memory/1136-31-0x00007FF60EFF0000-0x00007FF60F344000-memory.dmp

        memory/1396-157-0x00007FF76A8F0000-0x00007FF76AC44000-memory.dmp

        memory/1396-132-0x00007FF76A8F0000-0x00007FF76AC44000-memory.dmp

        memory/1548-146-0x00007FF7350A0000-0x00007FF7353F4000-memory.dmp

        memory/1548-63-0x00007FF7350A0000-0x00007FF7353F4000-memory.dmp

        memory/1880-72-0x00007FF634050000-0x00007FF6343A4000-memory.dmp

        memory/1880-12-0x00007FF634050000-0x00007FF6343A4000-memory.dmp

        memory/1880-138-0x00007FF634050000-0x00007FF6343A4000-memory.dmp

        memory/1892-82-0x00007FF69FFF0000-0x00007FF6A0344000-memory.dmp

        memory/1892-148-0x00007FF69FFF0000-0x00007FF6A0344000-memory.dmp

        memory/2244-60-0x00007FF6D2750000-0x00007FF6D2AA4000-memory.dmp

        memory/2244-0-0x00007FF6D2750000-0x00007FF6D2AA4000-memory.dmp

        memory/2244-1-0x000002232FEC0000-0x000002232FED0000-memory.dmp

        memory/2348-50-0x00007FF7845F0000-0x00007FF784944000-memory.dmp

        memory/2348-144-0x00007FF7845F0000-0x00007FF784944000-memory.dmp

        memory/2456-152-0x00007FF7CA080000-0x00007FF7CA3D4000-memory.dmp

        memory/2456-101-0x00007FF7CA080000-0x00007FF7CA3D4000-memory.dmp

        memory/2456-135-0x00007FF7CA080000-0x00007FF7CA3D4000-memory.dmp

        memory/2656-133-0x00007FF730700000-0x00007FF730A54000-memory.dmp

        memory/2656-156-0x00007FF730700000-0x00007FF730A54000-memory.dmp

        memory/2736-139-0x00007FF635C50000-0x00007FF635FA4000-memory.dmp

        memory/2736-23-0x00007FF635C50000-0x00007FF635FA4000-memory.dmp

        memory/2736-84-0x00007FF635C50000-0x00007FF635FA4000-memory.dmp

        memory/2884-90-0x00007FF6C3E70000-0x00007FF6C41C4000-memory.dmp

        memory/2884-150-0x00007FF6C3E70000-0x00007FF6C41C4000-memory.dmp

        memory/3280-151-0x00007FF6AD8B0000-0x00007FF6ADC04000-memory.dmp

        memory/3280-99-0x00007FF6AD8B0000-0x00007FF6ADC04000-memory.dmp

        memory/3608-134-0x00007FF7E85E0000-0x00007FF7E8934000-memory.dmp

        memory/3608-145-0x00007FF7E85E0000-0x00007FF7E8934000-memory.dmp

        memory/3608-56-0x00007FF7E85E0000-0x00007FF7E8934000-memory.dmp

        memory/3636-69-0x00007FF668600000-0x00007FF668954000-memory.dmp

        memory/3636-8-0x00007FF668600000-0x00007FF668954000-memory.dmp

        memory/3636-137-0x00007FF668600000-0x00007FF668954000-memory.dmp

        memory/4040-136-0x00007FF67B640000-0x00007FF67B994000-memory.dmp

        memory/4040-113-0x00007FF67B640000-0x00007FF67B994000-memory.dmp

        memory/4040-154-0x00007FF67B640000-0x00007FF67B994000-memory.dmp

        memory/4108-44-0x00007FF7DE3F0000-0x00007FF7DE744000-memory.dmp

        memory/4108-130-0x00007FF7DE3F0000-0x00007FF7DE744000-memory.dmp

        memory/4108-143-0x00007FF7DE3F0000-0x00007FF7DE744000-memory.dmp

        memory/4136-140-0x00007FF6B7E30000-0x00007FF6B8184000-memory.dmp

        memory/4136-24-0x00007FF6B7E30000-0x00007FF6B8184000-memory.dmp

        memory/4136-96-0x00007FF6B7E30000-0x00007FF6B8184000-memory.dmp

        memory/4996-147-0x00007FF659FB0000-0x00007FF65A304000-memory.dmp

        memory/4996-79-0x00007FF659FB0000-0x00007FF65A304000-memory.dmp

        memory/5092-149-0x00007FF78B890000-0x00007FF78BBE4000-memory.dmp

        memory/5092-89-0x00007FF78B890000-0x00007FF78BBE4000-memory.dmp