Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 21:35

General

  • Target
    2024-06-01_91c26f084ffa7e869bebaee95cb3abcb_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-1fqsbsgc89
  • SHA256 d120fda7cefed613ff54b2bff62c12099228937381fc027a3716189c0d959137
  • 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_91c26f084ffa7e869bebaee95cb3abcb_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_91c26f084ffa7e869bebaee95cb3abcb_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\System\MKquvdO.exe
      C:\Windows\System\MKquvdO.exe
      2⤵
      • Executes dropped EXE
      PID:1724
    • C:\Windows\System\VKDaHAf.exe
      C:\Windows\System\VKDaHAf.exe
      2⤵
      • Executes dropped EXE
      PID:5016
    • C:\Windows\System\nwUnLyn.exe
      C:\Windows\System\nwUnLyn.exe
      2⤵
      • Executes dropped EXE
      PID:1896
    • C:\Windows\System\lUcwWnZ.exe
      C:\Windows\System\lUcwWnZ.exe
      2⤵
      • Executes dropped EXE
      PID:780
    • C:\Windows\System\mZkmRLZ.exe
      C:\Windows\System\mZkmRLZ.exe
      2⤵
      • Executes dropped EXE
      PID:2036
    • C:\Windows\System\MeHcWOJ.exe
      C:\Windows\System\MeHcWOJ.exe
      2⤵
      • Executes dropped EXE
      PID:2636
    • C:\Windows\System\hgwXnRW.exe
      C:\Windows\System\hgwXnRW.exe
      2⤵
      • Executes dropped EXE
      PID:872
    • C:\Windows\System\yISWftk.exe
      C:\Windows\System\yISWftk.exe
      2⤵
      • Executes dropped EXE
      PID:1484
    • C:\Windows\System\hhnzVdL.exe
      C:\Windows\System\hhnzVdL.exe
      2⤵
      • Executes dropped EXE
      PID:4964
    • C:\Windows\System\wootkch.exe
      C:\Windows\System\wootkch.exe
      2⤵
      • Executes dropped EXE
      PID:3308
    • C:\Windows\System\msSIrlk.exe
      C:\Windows\System\msSIrlk.exe
      2⤵
      • Executes dropped EXE
      PID:4904
    • C:\Windows\System\oCnIOPz.exe
      C:\Windows\System\oCnIOPz.exe
      2⤵
      • Executes dropped EXE
      PID:4332
    • C:\Windows\System\ILnILzY.exe
      C:\Windows\System\ILnILzY.exe
      2⤵
      • Executes dropped EXE
      PID:4136
    • C:\Windows\System\EKOCIVV.exe
      C:\Windows\System\EKOCIVV.exe
      2⤵
      • Executes dropped EXE
      PID:2412
    • C:\Windows\System\bhjWMIp.exe
      C:\Windows\System\bhjWMIp.exe
      2⤵
      • Executes dropped EXE
      PID:3204
    • C:\Windows\System\fTExZmq.exe
      C:\Windows\System\fTExZmq.exe
      2⤵
      • Executes dropped EXE
      PID:908
    • C:\Windows\System\RunipkX.exe
      C:\Windows\System\RunipkX.exe
      2⤵
      • Executes dropped EXE
      PID:4632
    • C:\Windows\System\tvwitHp.exe
      C:\Windows\System\tvwitHp.exe
      2⤵
      • Executes dropped EXE
      PID:3108
    • C:\Windows\System\zGPKWbr.exe
      C:\Windows\System\zGPKWbr.exe
      2⤵
      • Executes dropped EXE
      PID:2956
    • C:\Windows\System\NLgZFnd.exe
      C:\Windows\System\NLgZFnd.exe
      2⤵
      • Executes dropped EXE
      PID:3804
    • C:\Windows\System\iyfPHlA.exe
      C:\Windows\System\iyfPHlA.exe
      2⤵
      • Executes dropped EXE
      PID:3776
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1520

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          EKOCIVV.exe

          • Path C:\Windows\System\EKOCIVV.exe
          • Size 5.9MB
          • SHA256 d0f31473a4444865a126356b76815978891f7fc0a3bbb88279232b336352be15
          • MD5 SHA1 SHA512 SSDEEP

          ILnILzY.exe

          • Path C:\Windows\System\ILnILzY.exe
          • Size 5.9MB
          • SHA256 c7b51f959a799fbacda13068ace76849097ce4ce4ff64c689d26aa69e0077d9a
          • MD5 SHA1 SHA512 SSDEEP

          MKquvdO.exe

          • Path C:\Windows\System\MKquvdO.exe
          • Size 5.9MB
          • SHA256 382a9417ee841a97022d52a599e653f8d207dc1b5a03319daaf24134ae648614
          • MD5 SHA1 SHA512 SSDEEP

          MeHcWOJ.exe

          • Path C:\Windows\System\MeHcWOJ.exe
          • Size 5.9MB
          • SHA256 1b188bf499b685c9f14c338db8e003b6dee3fd9d81f096a81940582d285e218a
          • MD5 SHA1 SHA512 SSDEEP

          NLgZFnd.exe

          • Path C:\Windows\System\NLgZFnd.exe
          • Size 5.9MB
          • SHA256 b0f9c698d0c9e96c4c1ba2b86a378deb5b79b81d5c708f26fb1be9ecd70dd22e
          • MD5 SHA1 SHA512 SSDEEP

          RunipkX.exe

          • Path C:\Windows\System\RunipkX.exe
          • Size 5.9MB
          • SHA256 67d896ee136a0ca138a969eca0fc984f8269c426262604f705ace8d4db50e438
          • MD5 SHA1 SHA512 SSDEEP

          VKDaHAf.exe

          • Path C:\Windows\System\VKDaHAf.exe
          • Size 5.9MB
          • SHA256 04de976d743b5364e0d70954be77c6330070f3b59b03fa74d3af96f388269500
          • MD5 SHA1 SHA512 SSDEEP

          bhjWMIp.exe

          • Path C:\Windows\System\bhjWMIp.exe
          • Size 5.9MB
          • SHA256 2e400ce12ecb3ae9e8585c1e07c10e8504f71ddebf83b27813aa5a86e49ff367
          • MD5 SHA1 SHA512 SSDEEP

          fTExZmq.exe

          • Path C:\Windows\System\fTExZmq.exe
          • Size 5.9MB
          • SHA256 e32a37cfa50a4a2c2c2c99625944a2be4579b19339eb336add2f832e1a0307d2
          • MD5 SHA1 SHA512 SSDEEP

          hgwXnRW.exe

          • Path C:\Windows\System\hgwXnRW.exe
          • Size 5.9MB
          • SHA256 f261a5d0dd9d9f553c6eb206817ba15d4f339b898539d636281004c8c07e5bc4
          • MD5 SHA1 SHA512 SSDEEP

          hhnzVdL.exe

          • Path C:\Windows\System\hhnzVdL.exe
          • Size 5.9MB
          • SHA256 c0d7c9f157edee922b1dd9d607b51fd7482be29c4989cf6e6fdf480a9242e21c
          • MD5 SHA1 SHA512 SSDEEP

          iyfPHlA.exe

          • Path C:\Windows\System\iyfPHlA.exe
          • Size 5.9MB
          • SHA256 c5c32a310cbfb3549dd9d495abaf55a43e4e1a6d7baa7797fd44523bb18f920e
          • MD5 SHA1 SHA512 SSDEEP

          lUcwWnZ.exe

          • Path C:\Windows\System\lUcwWnZ.exe
          • Size 5.9MB
          • SHA256 66979469958dc24bc92172bcc160a9fd71373d043bd4f5654996e3a106b62ae3
          • MD5 SHA1 SHA512 SSDEEP

          mZkmRLZ.exe

          • Path C:\Windows\System\mZkmRLZ.exe
          • Size 5.9MB
          • SHA256 b23243577ab691801862d5cdd30a8886473c5c351cc75cd223acbde9ebefac77
          • MD5 SHA1 SHA512 SSDEEP

          msSIrlk.exe

          • Path C:\Windows\System\msSIrlk.exe
          • Size 5.9MB
          • SHA256 de6b9f1473743579ada879970197f451213774cbb59d6cb1441e3b394b5837e9
          • MD5 SHA1 SHA512 SSDEEP

          nwUnLyn.exe

          • Path C:\Windows\System\nwUnLyn.exe
          • Size 5.9MB
          • SHA256 dd30d922e281dfe914f93a0cb880e22716b1e24326c3fb145ac5b893022a6a0b
          • MD5 SHA1 SHA512 SSDEEP

          oCnIOPz.exe

          • Path C:\Windows\System\oCnIOPz.exe
          • Size 5.9MB
          • SHA256 841015bd893a4e736f0958a4cb96cc94923d42b9394b14159a5e389c29c5bf95
          • MD5 SHA1 SHA512 SSDEEP

          tvwitHp.exe

          • Path C:\Windows\System\tvwitHp.exe
          • Size 5.9MB
          • SHA256 9e7565848724dde69e86998081db96a8a8920e6678c37efcbf24b8ff332d8d57
          • MD5 SHA1 SHA512 SSDEEP

          wootkch.exe

          • Path C:\Windows\System\wootkch.exe
          • Size 5.9MB
          • SHA256 8e936c2c8bb31983c7677ae717c52e3c114de0648ab71e238d0329deafa839a1
          • MD5 SHA1 SHA512 SSDEEP

          yISWftk.exe

          • Path C:\Windows\System\yISWftk.exe
          • Size 5.9MB
          • SHA256 e3d94924bd4ab5dea3881ff1c1b8d06ae7bc707ee2dbfdf30ec3d2650a9792b3
          • MD5 SHA1 SHA512 SSDEEP

          zGPKWbr.exe

          • Path C:\Windows\System\zGPKWbr.exe
          • Size 5.9MB
          • SHA256 d03b82b9effbde1c5d6cd3c7b2983e4b5fd43788352ae91e7f4439701bdfce34
          • MD5 SHA1 SHA512 SSDEEP

          memory/780-136-0x00007FF76E290000-0x00007FF76E5E4000-memory.dmp

          memory/780-26-0x00007FF76E290000-0x00007FF76E5E4000-memory.dmp

          memory/872-113-0x00007FF70A700000-0x00007FF70AA54000-memory.dmp

          memory/872-139-0x00007FF70A700000-0x00007FF70AA54000-memory.dmp

          memory/908-122-0x00007FF79DFB0000-0x00007FF79E304000-memory.dmp

          memory/908-148-0x00007FF79DFB0000-0x00007FF79E304000-memory.dmp

          memory/1484-140-0x00007FF745FD0000-0x00007FF746324000-memory.dmp

          memory/1484-114-0x00007FF745FD0000-0x00007FF746324000-memory.dmp

          memory/1724-8-0x00007FF663760000-0x00007FF663AB4000-memory.dmp

          memory/1724-132-0x00007FF663760000-0x00007FF663AB4000-memory.dmp

          memory/1724-129-0x00007FF663760000-0x00007FF663AB4000-memory.dmp

          memory/1896-135-0x00007FF7E85F0000-0x00007FF7E8944000-memory.dmp

          memory/1896-20-0x00007FF7E85F0000-0x00007FF7E8944000-memory.dmp

          memory/1896-131-0x00007FF7E85F0000-0x00007FF7E8944000-memory.dmp

          memory/2036-32-0x00007FF6954F0000-0x00007FF695844000-memory.dmp

          memory/2036-137-0x00007FF6954F0000-0x00007FF695844000-memory.dmp

          memory/2412-120-0x00007FF7802F0000-0x00007FF780644000-memory.dmp

          memory/2412-146-0x00007FF7802F0000-0x00007FF780644000-memory.dmp

          memory/2636-38-0x00007FF69CF10000-0x00007FF69D264000-memory.dmp

          memory/2636-138-0x00007FF69CF10000-0x00007FF69D264000-memory.dmp

          memory/2636-133-0x00007FF69CF10000-0x00007FF69D264000-memory.dmp

          memory/2956-125-0x00007FF7B4940000-0x00007FF7B4C94000-memory.dmp

          memory/2956-151-0x00007FF7B4940000-0x00007FF7B4C94000-memory.dmp

          memory/3108-124-0x00007FF7B6710000-0x00007FF7B6A64000-memory.dmp

          memory/3108-150-0x00007FF7B6710000-0x00007FF7B6A64000-memory.dmp

          memory/3204-121-0x00007FF761650000-0x00007FF7619A4000-memory.dmp

          memory/3204-145-0x00007FF761650000-0x00007FF7619A4000-memory.dmp

          memory/3308-142-0x00007FF60EA30000-0x00007FF60ED84000-memory.dmp

          memory/3308-116-0x00007FF60EA30000-0x00007FF60ED84000-memory.dmp

          memory/3696-128-0x00007FF760E70000-0x00007FF7611C4000-memory.dmp

          memory/3696-0-0x00007FF760E70000-0x00007FF7611C4000-memory.dmp

          memory/3696-1-0x000001F725BB0000-0x000001F725BC0000-memory.dmp

          memory/3776-127-0x00007FF6C4DB0000-0x00007FF6C5104000-memory.dmp

          memory/3776-153-0x00007FF6C4DB0000-0x00007FF6C5104000-memory.dmp

          memory/3804-126-0x00007FF730E20000-0x00007FF731174000-memory.dmp

          memory/3804-152-0x00007FF730E20000-0x00007FF731174000-memory.dmp

          memory/4136-119-0x00007FF7A25E0000-0x00007FF7A2934000-memory.dmp

          memory/4136-143-0x00007FF7A25E0000-0x00007FF7A2934000-memory.dmp

          memory/4332-144-0x00007FF70F180000-0x00007FF70F4D4000-memory.dmp

          memory/4332-118-0x00007FF70F180000-0x00007FF70F4D4000-memory.dmp

          memory/4632-149-0x00007FF66B810000-0x00007FF66BB64000-memory.dmp

          memory/4632-123-0x00007FF66B810000-0x00007FF66BB64000-memory.dmp

          memory/4904-147-0x00007FF7B39F0000-0x00007FF7B3D44000-memory.dmp

          memory/4904-117-0x00007FF7B39F0000-0x00007FF7B3D44000-memory.dmp

          memory/4964-141-0x00007FF7C2010000-0x00007FF7C2364000-memory.dmp

          memory/4964-115-0x00007FF7C2010000-0x00007FF7C2364000-memory.dmp

          memory/5016-134-0x00007FF748E80000-0x00007FF7491D4000-memory.dmp

          memory/5016-130-0x00007FF748E80000-0x00007FF7491D4000-memory.dmp

          memory/5016-16-0x00007FF748E80000-0x00007FF7491D4000-memory.dmp