Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 02:10

General

  • Target
    2024-06-01_a910008adaf9450eea3202c7f36efe6f_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-cly4wsfa29
  • SHA256 373605d3ddfbbee1620af6674cb46a695ba0ab2a9ea9fd7dfc95e1d5138039e2
  • 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\2024-06-01_a910008adaf9450eea3202c7f36efe6f_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_a910008adaf9450eea3202c7f36efe6f_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\System\jOmexhm.exe
      C:\Windows\System\jOmexhm.exe
      2⤵
      • Executes dropped EXE
      PID:3968
    • C:\Windows\System\tFQjzyV.exe
      C:\Windows\System\tFQjzyV.exe
      2⤵
      • Executes dropped EXE
      PID:3020
    • C:\Windows\System\hmgXtoc.exe
      C:\Windows\System\hmgXtoc.exe
      2⤵
      • Executes dropped EXE
      PID:4068
    • C:\Windows\System\fSZtAuU.exe
      C:\Windows\System\fSZtAuU.exe
      2⤵
      • Executes dropped EXE
      PID:4224
    • C:\Windows\System\ybkklFw.exe
      C:\Windows\System\ybkklFw.exe
      2⤵
      • Executes dropped EXE
      PID:2152
    • C:\Windows\System\lFKmwvO.exe
      C:\Windows\System\lFKmwvO.exe
      2⤵
      • Executes dropped EXE
      PID:2508
    • C:\Windows\System\buyUdOX.exe
      C:\Windows\System\buyUdOX.exe
      2⤵
      • Executes dropped EXE
      PID:3324
    • C:\Windows\System\sgdlyLo.exe
      C:\Windows\System\sgdlyLo.exe
      2⤵
      • Executes dropped EXE
      PID:2272
    • C:\Windows\System\OQaOiuV.exe
      C:\Windows\System\OQaOiuV.exe
      2⤵
      • Executes dropped EXE
      PID:4696
    • C:\Windows\System\XfDPQph.exe
      C:\Windows\System\XfDPQph.exe
      2⤵
      • Executes dropped EXE
      PID:2656
    • C:\Windows\System\OZAAIoO.exe
      C:\Windows\System\OZAAIoO.exe
      2⤵
      • Executes dropped EXE
      PID:804
    • C:\Windows\System\iYFfEad.exe
      C:\Windows\System\iYFfEad.exe
      2⤵
      • Executes dropped EXE
      PID:856
    • C:\Windows\System\eFldnIe.exe
      C:\Windows\System\eFldnIe.exe
      2⤵
      • Executes dropped EXE
      PID:388
    • C:\Windows\System\BdzXCAN.exe
      C:\Windows\System\BdzXCAN.exe
      2⤵
      • Executes dropped EXE
      PID:632
    • C:\Windows\System\hLihZjl.exe
      C:\Windows\System\hLihZjl.exe
      2⤵
      • Executes dropped EXE
      PID:2624
    • C:\Windows\System\jweaeeA.exe
      C:\Windows\System\jweaeeA.exe
      2⤵
      • Executes dropped EXE
      PID:1200
    • C:\Windows\System\OCzxLCA.exe
      C:\Windows\System\OCzxLCA.exe
      2⤵
      • Executes dropped EXE
      PID:1012
    • C:\Windows\System\vkKhDdq.exe
      C:\Windows\System\vkKhDdq.exe
      2⤵
      • Executes dropped EXE
      PID:4232
    • C:\Windows\System\FGASqSa.exe
      C:\Windows\System\FGASqSa.exe
      2⤵
      • Executes dropped EXE
      PID:3928
    • C:\Windows\System\FYASsoQ.exe
      C:\Windows\System\FYASsoQ.exe
      2⤵
      • Executes dropped EXE
      PID:2348
    • C:\Windows\System\CRHZbAz.exe
      C:\Windows\System\CRHZbAz.exe
      2⤵
      • Executes dropped EXE
      PID:3372

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        BdzXCAN.exe

        • Path C:\Windows\System\BdzXCAN.exe
        • Size 5.9MB
        • SHA256 31dc1875ce9260726a39cc2bc4f552b8964fdc991cdbb82ad3b86bf8d2da78a7
        • MD5 SHA1 SHA512 SSDEEP

        CRHZbAz.exe

        • Path C:\Windows\System\CRHZbAz.exe
        • Size 5.9MB
        • SHA256 1d281b7b145e4df4a96cd20dd11cff6fed0422a6cccf601f202fe7ae2d2648f2
        • MD5 SHA1 SHA512 SSDEEP

        FGASqSa.exe

        • Path C:\Windows\System\FGASqSa.exe
        • Size 5.9MB
        • SHA256 5c616e8bb75898f76cd7a4c42bdb096891a62dff62c9e7e1846c0d665fc0a32e
        • MD5 SHA1 SHA512 SSDEEP

        FYASsoQ.exe

        • Path C:\Windows\System\FYASsoQ.exe
        • Size 5.9MB
        • SHA256 cd66ee14ed021ed2664a7892d99929d1653078044791946bb92004d69003c970
        • MD5 SHA1 SHA512 SSDEEP

        OCzxLCA.exe

        • Path C:\Windows\System\OCzxLCA.exe
        • Size 5.9MB
        • SHA256 9b37e1eb4892e242a388ee667ab25be116fd82958efe27dfb08b8447aadd9a7b
        • MD5 SHA1 SHA512 SSDEEP

        OQaOiuV.exe

        • Path C:\Windows\System\OQaOiuV.exe
        • Size 5.9MB
        • SHA256 6cbe5587fa3199859687d59c3bf88b7751895bfa00b37030975c9c2f2f2f8dbf
        • MD5 SHA1 SHA512 SSDEEP

        OZAAIoO.exe

        • Path C:\Windows\System\OZAAIoO.exe
        • Size 5.9MB
        • SHA256 325db1219131a4b0f764e813b93bb0d5da5afe20b217cc051e4abc79c0bc32eb
        • MD5 SHA1 SHA512 SSDEEP

        XfDPQph.exe

        • Path C:\Windows\System\XfDPQph.exe
        • Size 5.9MB
        • SHA256 761a99623799098e7ea2cf81a6aec15d62dccd1b8b81e69a3a31c3fef48bbe3a
        • MD5 SHA1 SHA512 SSDEEP

        buyUdOX.exe

        • Path C:\Windows\System\buyUdOX.exe
        • Size 5.9MB
        • SHA256 e1cec3a74570f571f469c5af47b5001d6e9506ca3384b83a7db3acedfa70d4c9
        • MD5 SHA1 SHA512 SSDEEP

        eFldnIe.exe

        • Path C:\Windows\System\eFldnIe.exe
        • Size 5.9MB
        • SHA256 17acfb3e8820cec637a42a97d27483660764a6741017bebc411c5055da78dcc9
        • MD5 SHA1 SHA512 SSDEEP

        fSZtAuU.exe

        • Path C:\Windows\System\fSZtAuU.exe
        • Size 5.9MB
        • SHA256 4f644e2658c0b8fd60fbcf7ca2d7a604f9dfc00804af62537fe7f62164b96f12
        • MD5 SHA1 SHA512 SSDEEP

        hLihZjl.exe

        • Path C:\Windows\System\hLihZjl.exe
        • Size 5.9MB
        • SHA256 a78a7618df7166bb3784814ac8757cc720b55de4c8592dfc04644914473f10c4
        • MD5 SHA1 SHA512 SSDEEP

        hmgXtoc.exe

        • Path C:\Windows\System\hmgXtoc.exe
        • Size 5.9MB
        • SHA256 9f2f5b27d5f4eedee9672355de87fae21e5cdf5b600f7a3efb20e5773b94e6a1
        • MD5 SHA1 SHA512 SSDEEP

        iYFfEad.exe

        • Path C:\Windows\System\iYFfEad.exe
        • Size 5.9MB
        • SHA256 3c93387ac93f780e95e2ab93f25052560ed35bab105034b00c7edf22f41d0fb8
        • MD5 SHA1 SHA512 SSDEEP

        jOmexhm.exe

        • Path C:\Windows\System\jOmexhm.exe
        • Size 5.9MB
        • SHA256 19446a126ee5efcd7cb001a5b69cf013383fa1cf0a18bbd5096f00a9a14b081d
        • MD5 SHA1 SHA512 SSDEEP

        jweaeeA.exe

        • Path C:\Windows\System\jweaeeA.exe
        • Size 5.9MB
        • SHA256 65c0976986047ef2d921059c870193564a40e7a668d151670541855c0aa59114
        • MD5 SHA1 SHA512 SSDEEP

        lFKmwvO.exe

        • Path C:\Windows\System\lFKmwvO.exe
        • Size 5.9MB
        • SHA256 a7ceeafe80eba7d831229bcf8a5fffb8430dc8af2bbb4ffb0ce4c669d9b18114
        • MD5 SHA1 SHA512 SSDEEP

        sgdlyLo.exe

        • Path C:\Windows\System\sgdlyLo.exe
        • Size 5.9MB
        • SHA256 9c3126d7ff759deb78aa2d07f70a1d06684e661374646679860c5932a2f1087e
        • MD5 SHA1 SHA512 SSDEEP

        tFQjzyV.exe

        • Path C:\Windows\System\tFQjzyV.exe
        • Size 5.9MB
        • SHA256 c622defd6927a02ef99b2745fac84c62292d94a0caeba2d452721e6a45305229
        • MD5 SHA1 SHA512 SSDEEP

        vkKhDdq.exe

        • Path C:\Windows\System\vkKhDdq.exe
        • Size 5.9MB
        • SHA256 4fa8dfe2a4c09d8c7b6712bd93b9632b58941d42e9ed36c7aa097619742bce17
        • MD5 SHA1 SHA512 SSDEEP

        ybkklFw.exe

        • Path C:\Windows\System\ybkklFw.exe
        • Size 5.9MB
        • SHA256 a4025228420d55c99d11246f6a0eed8ef464ccac4039c9f28215d1390426f7fa
        • MD5 SHA1 SHA512 SSDEEP

        memory/388-83-0x00007FF70A050000-0x00007FF70A3A4000-memory.dmp

        memory/388-152-0x00007FF70A050000-0x00007FF70A3A4000-memory.dmp

        memory/632-85-0x00007FF7DAB50000-0x00007FF7DAEA4000-memory.dmp

        memory/632-136-0x00007FF7DAB50000-0x00007FF7DAEA4000-memory.dmp

        memory/632-153-0x00007FF7DAB50000-0x00007FF7DAEA4000-memory.dmp

        memory/804-82-0x00007FF6583C0000-0x00007FF658714000-memory.dmp

        memory/804-150-0x00007FF6583C0000-0x00007FF658714000-memory.dmp

        memory/856-135-0x00007FF6589C0000-0x00007FF658D14000-memory.dmp

        memory/856-71-0x00007FF6589C0000-0x00007FF658D14000-memory.dmp

        memory/856-151-0x00007FF6589C0000-0x00007FF658D14000-memory.dmp

        memory/1012-156-0x00007FF7CB7E0000-0x00007FF7CBB34000-memory.dmp

        memory/1012-120-0x00007FF7CB7E0000-0x00007FF7CBB34000-memory.dmp

        memory/1200-106-0x00007FF6241D0000-0x00007FF624524000-memory.dmp

        memory/1200-138-0x00007FF6241D0000-0x00007FF624524000-memory.dmp

        memory/1200-155-0x00007FF6241D0000-0x00007FF624524000-memory.dmp

        memory/1848-0-0x00007FF6A3F10000-0x00007FF6A4264000-memory.dmp

        memory/1848-1-0x00000215FB8E0000-0x00000215FB8F0000-memory.dmp

        memory/1848-84-0x00007FF6A3F10000-0x00007FF6A4264000-memory.dmp

        memory/2152-144-0x00007FF7FE350000-0x00007FF7FE6A4000-memory.dmp

        memory/2152-30-0x00007FF7FE350000-0x00007FF7FE6A4000-memory.dmp

        memory/2152-129-0x00007FF7FE350000-0x00007FF7FE6A4000-memory.dmp

        memory/2272-149-0x00007FF6B2120000-0x00007FF6B2474000-memory.dmp

        memory/2272-76-0x00007FF6B2120000-0x00007FF6B2474000-memory.dmp

        memory/2348-160-0x00007FF7A0F60000-0x00007FF7A12B4000-memory.dmp

        memory/2348-130-0x00007FF7A0F60000-0x00007FF7A12B4000-memory.dmp

        memory/2508-145-0x00007FF6FA070000-0x00007FF6FA3C4000-memory.dmp

        memory/2508-35-0x00007FF6FA070000-0x00007FF6FA3C4000-memory.dmp

        memory/2508-132-0x00007FF6FA070000-0x00007FF6FA3C4000-memory.dmp

        memory/2624-137-0x00007FF6C3660000-0x00007FF6C39B4000-memory.dmp

        memory/2624-154-0x00007FF6C3660000-0x00007FF6C39B4000-memory.dmp

        memory/2624-96-0x00007FF6C3660000-0x00007FF6C39B4000-memory.dmp

        memory/2656-147-0x00007FF690AD0000-0x00007FF690E24000-memory.dmp

        memory/2656-66-0x00007FF690AD0000-0x00007FF690E24000-memory.dmp

        memory/3020-14-0x00007FF7B2B20000-0x00007FF7B2E74000-memory.dmp

        memory/3020-141-0x00007FF7B2B20000-0x00007FF7B2E74000-memory.dmp

        memory/3324-45-0x00007FF7D0490000-0x00007FF7D07E4000-memory.dmp

        memory/3324-133-0x00007FF7D0490000-0x00007FF7D07E4000-memory.dmp

        memory/3324-146-0x00007FF7D0490000-0x00007FF7D07E4000-memory.dmp

        memory/3372-159-0x00007FF759710000-0x00007FF759A64000-memory.dmp

        memory/3372-131-0x00007FF759710000-0x00007FF759A64000-memory.dmp

        memory/3928-158-0x00007FF7342B0000-0x00007FF734604000-memory.dmp

        memory/3928-121-0x00007FF7342B0000-0x00007FF734604000-memory.dmp

        memory/3968-140-0x00007FF7025E0000-0x00007FF702934000-memory.dmp

        memory/3968-8-0x00007FF7025E0000-0x00007FF702934000-memory.dmp

        memory/3968-91-0x00007FF7025E0000-0x00007FF702934000-memory.dmp

        memory/4068-22-0x00007FF704EC0000-0x00007FF705214000-memory.dmp

        memory/4068-142-0x00007FF704EC0000-0x00007FF705214000-memory.dmp

        memory/4224-143-0x00007FF6C86D0000-0x00007FF6C8A24000-memory.dmp

        memory/4224-27-0x00007FF6C86D0000-0x00007FF6C8A24000-memory.dmp

        memory/4224-112-0x00007FF6C86D0000-0x00007FF6C8A24000-memory.dmp

        memory/4232-111-0x00007FF6F0710000-0x00007FF6F0A64000-memory.dmp

        memory/4232-157-0x00007FF6F0710000-0x00007FF6F0A64000-memory.dmp

        memory/4232-139-0x00007FF6F0710000-0x00007FF6F0A64000-memory.dmp

        memory/4696-148-0x00007FF7F4E30000-0x00007FF7F5184000-memory.dmp

        memory/4696-134-0x00007FF7F4E30000-0x00007FF7F5184000-memory.dmp

        memory/4696-53-0x00007FF7F4E30000-0x00007FF7F5184000-memory.dmp