Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 08:09

General

  • Target
    2024-06-02_8f4b5b3b1fade594badc0637a5fa88eb_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240602-j2cn6aff8t
  • SHA256 02e1f99a649c4369b935eec68ce78e0d6156d2f5ea5f70b8e522af285761497d
  • 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_8f4b5b3b1fade594badc0637a5fa88eb_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_8f4b5b3b1fade594badc0637a5fa88eb_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\System\NNluWON.exe
      C:\Windows\System\NNluWON.exe
      2⤵
      • Executes dropped EXE
      PID:2376
    • C:\Windows\System\wxiyvLW.exe
      C:\Windows\System\wxiyvLW.exe
      2⤵
      • Executes dropped EXE
      PID:4344
    • C:\Windows\System\rKqbbqD.exe
      C:\Windows\System\rKqbbqD.exe
      2⤵
      • Executes dropped EXE
      PID:4100
    • C:\Windows\System\BdVRThd.exe
      C:\Windows\System\BdVRThd.exe
      2⤵
      • Executes dropped EXE
      PID:2432
    • C:\Windows\System\GjaGsiQ.exe
      C:\Windows\System\GjaGsiQ.exe
      2⤵
      • Executes dropped EXE
      PID:3908
    • C:\Windows\System\zlfCEnh.exe
      C:\Windows\System\zlfCEnh.exe
      2⤵
      • Executes dropped EXE
      PID:4176
    • C:\Windows\System\aBLSHHR.exe
      C:\Windows\System\aBLSHHR.exe
      2⤵
      • Executes dropped EXE
      PID:3904
    • C:\Windows\System\ytVuAvs.exe
      C:\Windows\System\ytVuAvs.exe
      2⤵
      • Executes dropped EXE
      PID:3160
    • C:\Windows\System\qbzvSDN.exe
      C:\Windows\System\qbzvSDN.exe
      2⤵
      • Executes dropped EXE
      PID:2116
    • C:\Windows\System\jXhsMHf.exe
      C:\Windows\System\jXhsMHf.exe
      2⤵
      • Executes dropped EXE
      PID:2344
    • C:\Windows\System\eTySIAx.exe
      C:\Windows\System\eTySIAx.exe
      2⤵
      • Executes dropped EXE
      PID:5056
    • C:\Windows\System\IKHdpAz.exe
      C:\Windows\System\IKHdpAz.exe
      2⤵
      • Executes dropped EXE
      PID:5052
    • C:\Windows\System\EfroWKv.exe
      C:\Windows\System\EfroWKv.exe
      2⤵
      • Executes dropped EXE
      PID:2200
    • C:\Windows\System\POvGwMh.exe
      C:\Windows\System\POvGwMh.exe
      2⤵
      • Executes dropped EXE
      PID:4968
    • C:\Windows\System\BgyHgTy.exe
      C:\Windows\System\BgyHgTy.exe
      2⤵
      • Executes dropped EXE
      PID:3164
    • C:\Windows\System\sopzAWR.exe
      C:\Windows\System\sopzAWR.exe
      2⤵
      • Executes dropped EXE
      PID:2920
    • C:\Windows\System\BJHDssU.exe
      C:\Windows\System\BJHDssU.exe
      2⤵
      • Executes dropped EXE
      PID:1668
    • C:\Windows\System\BxWQiOU.exe
      C:\Windows\System\BxWQiOU.exe
      2⤵
      • Executes dropped EXE
      PID:1448
    • C:\Windows\System\DibIrHG.exe
      C:\Windows\System\DibIrHG.exe
      2⤵
      • Executes dropped EXE
      PID:4996
    • C:\Windows\System\NarRlfb.exe
      C:\Windows\System\NarRlfb.exe
      2⤵
      • Executes dropped EXE
      PID:4420
    • C:\Windows\System\WTciDrw.exe
      C:\Windows\System\WTciDrw.exe
      2⤵
      • Executes dropped EXE
      PID:2900
  • 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=2232 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1708

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          BJHDssU.exe

          • Path C:\Windows\System\BJHDssU.exe
          • Size 5.9MB
          • SHA256 ee77a795746e1b24c4a4158c382d16f92befadff58526adc3a0caaed3d490c41
          • MD5 SHA1 SHA512 SSDEEP

          BdVRThd.exe

          • Path C:\Windows\System\BdVRThd.exe
          • Size 5.9MB
          • SHA256 4840a2cff28fc5fbe66d2f7181fe3e427dfb69149db939035f4b946e74bbb18c
          • MD5 SHA1 SHA512 SSDEEP

          BgyHgTy.exe

          • Path C:\Windows\System\BgyHgTy.exe
          • Size 5.9MB
          • SHA256 e8ed83947a3f1719671745c28999ce2023b099a4b8f8977a18fd1893093333ab
          • MD5 SHA1 SHA512 SSDEEP

          BxWQiOU.exe

          • Path C:\Windows\System\BxWQiOU.exe
          • Size 5.9MB
          • SHA256 5b13096612d8b6b3566100c6546dffe05e2b919b1184dd786a4cae64148f4b04
          • MD5 SHA1 SHA512 SSDEEP

          DibIrHG.exe

          • Path C:\Windows\System\DibIrHG.exe
          • Size 5.9MB
          • SHA256 8d188e2e89a79a48beead80513eb4adc9c8cdb2bd34e1257b46ec1883df2ab91
          • MD5 SHA1 SHA512 SSDEEP

          EfroWKv.exe

          • Path C:\Windows\System\EfroWKv.exe
          • Size 5.9MB
          • SHA256 c58e9b44b09658013b6bc6558c01e38be16591a35977cb19f7d88ac511d9f0ce
          • MD5 SHA1 SHA512 SSDEEP

          GjaGsiQ.exe

          • Path C:\Windows\System\GjaGsiQ.exe
          • Size 5.9MB
          • SHA256 566b93f942d4f3c583541d77ab0b3980b3d58e4846fc053841dc9a2a00e41993
          • MD5 SHA1 SHA512 SSDEEP

          IKHdpAz.exe

          • Path C:\Windows\System\IKHdpAz.exe
          • Size 5.9MB
          • SHA256 e1c426f258a0fb3d2e402d89592925c04a64cfab1e383c5fe6aec64a7a462e6b
          • MD5 SHA1 SHA512 SSDEEP

          NNluWON.exe

          • Path C:\Windows\System\NNluWON.exe
          • Size 5.9MB
          • SHA256 ab83d90cb00a68e42490c049b6018f2d122576a7b85a94f71f1a771543ecd477
          • MD5 SHA1 SHA512 SSDEEP

          NarRlfb.exe

          • Path C:\Windows\System\NarRlfb.exe
          • Size 5.9MB
          • SHA256 245e2765e2992d85d9fe4670a1272ad928a3780ac73cbbcbfb7b3d524494de53
          • MD5 SHA1 SHA512 SSDEEP

          POvGwMh.exe

          • Path C:\Windows\System\POvGwMh.exe
          • Size 5.9MB
          • SHA256 8a60268a3d09b76bcf3631a6d19074dce784a30f005c26f6e86121ef0b364074
          • MD5 SHA1 SHA512 SSDEEP

          WTciDrw.exe

          • Path C:\Windows\System\WTciDrw.exe
          • Size 5.9MB
          • SHA256 4b0c31b35a1ab253dea15bcefd253da96a7c885e8bc0075656873dc8e5dc1e68
          • MD5 SHA1 SHA512 SSDEEP

          aBLSHHR.exe

          • Path C:\Windows\System\aBLSHHR.exe
          • Size 5.9MB
          • SHA256 6b34ca041195e72ea0b0dbadce418a01a24abaadfa1c2986cd9e82856a7b3e33
          • MD5 SHA1 SHA512 SSDEEP

          eTySIAx.exe

          • Path C:\Windows\System\eTySIAx.exe
          • Size 5.9MB
          • SHA256 d62f2d7aaee7eda2aea491f129c24d1dc1cb6f80288e343836e7323dfd9560f3
          • MD5 SHA1 SHA512 SSDEEP

          jXhsMHf.exe

          • Path C:\Windows\System\jXhsMHf.exe
          • Size 5.9MB
          • SHA256 71499482b13e90c4f1eb91042413627197da996a486536bfb5d3cc2ed886eb09
          • MD5 SHA1 SHA512 SSDEEP

          qbzvSDN.exe

          • Path C:\Windows\System\qbzvSDN.exe
          • Size 5.9MB
          • SHA256 69c837c8f100e7a2db4b709bcf4fb03d68fa6fdef42d2f01271fe0f172a96e00
          • MD5 SHA1 SHA512 SSDEEP

          rKqbbqD.exe

          • Path C:\Windows\System\rKqbbqD.exe
          • Size 5.9MB
          • SHA256 9919f2d4b5a76c562b09d2c1314f7425a6c33deb130ad76013d0c8a7d893a1de
          • MD5 SHA1 SHA512 SSDEEP

          sopzAWR.exe

          • Path C:\Windows\System\sopzAWR.exe
          • Size 5.9MB
          • SHA256 5b982a5a9f7a6f5106bda24a1e0dd335f3858448d41e4e2314af3f53eee53f27
          • MD5 SHA1 SHA512 SSDEEP

          wxiyvLW.exe

          • Path C:\Windows\System\wxiyvLW.exe
          • Size 5.9MB
          • SHA256 c282be12f4475e669296ed7c936b8210f1ea76bee14d219278909bd9e6b1e9fc
          • MD5 SHA1 SHA512 SSDEEP

          ytVuAvs.exe

          • Path C:\Windows\System\ytVuAvs.exe
          • Size 5.9MB
          • SHA256 dbb260507f0e1bfd9642fb92871c4c8c84fd9386ab76943ceb407b0d74e43ea7
          • MD5 SHA1 SHA512 SSDEEP

          zlfCEnh.exe

          • Path C:\Windows\System\zlfCEnh.exe
          • Size 5.9MB
          • SHA256 44ebf8de5e5266d8cce2fae8c31b1aeda44fdaa1e2cd308215e2f2f8ac407413
          • MD5 SHA1 SHA512 SSDEEP

          memory/1448-146-0x00007FF6EE200000-0x00007FF6EE554000-memory.dmp

          memory/1448-122-0x00007FF6EE200000-0x00007FF6EE554000-memory.dmp

          memory/1600-1-0x000002B77F1F0000-0x000002B77F200000-memory.dmp

          memory/1600-128-0x00007FF6ABE60000-0x00007FF6AC1B4000-memory.dmp

          memory/1600-0-0x00007FF6ABE60000-0x00007FF6AC1B4000-memory.dmp

          memory/1668-145-0x00007FF74D5A0000-0x00007FF74D8F4000-memory.dmp

          memory/1668-121-0x00007FF74D5A0000-0x00007FF74D8F4000-memory.dmp

          memory/2116-136-0x00007FF7F21F0000-0x00007FF7F2544000-memory.dmp

          memory/2116-113-0x00007FF7F21F0000-0x00007FF7F2544000-memory.dmp

          memory/2200-143-0x00007FF629080000-0x00007FF6293D4000-memory.dmp

          memory/2200-117-0x00007FF629080000-0x00007FF6293D4000-memory.dmp

          memory/2344-138-0x00007FF66F160000-0x00007FF66F4B4000-memory.dmp

          memory/2344-114-0x00007FF66F160000-0x00007FF66F4B4000-memory.dmp

          memory/2376-7-0x00007FF7C9170000-0x00007FF7C94C4000-memory.dmp

          memory/2376-129-0x00007FF7C9170000-0x00007FF7C94C4000-memory.dmp

          memory/2432-132-0x00007FF7B8900000-0x00007FF7B8C54000-memory.dmp

          memory/2432-34-0x00007FF7B8900000-0x00007FF7B8C54000-memory.dmp

          memory/2900-148-0x00007FF6DC910000-0x00007FF6DCC64000-memory.dmp

          memory/2900-125-0x00007FF6DC910000-0x00007FF6DCC64000-memory.dmp

          memory/2920-142-0x00007FF7D2A10000-0x00007FF7D2D64000-memory.dmp

          memory/2920-120-0x00007FF7D2A10000-0x00007FF7D2D64000-memory.dmp

          memory/3160-112-0x00007FF7EBE60000-0x00007FF7EC1B4000-memory.dmp

          memory/3160-137-0x00007FF7EBE60000-0x00007FF7EC1B4000-memory.dmp

          memory/3164-119-0x00007FF64C620000-0x00007FF64C974000-memory.dmp

          memory/3164-147-0x00007FF64C620000-0x00007FF64C974000-memory.dmp

          memory/3904-135-0x00007FF751840000-0x00007FF751B94000-memory.dmp

          memory/3904-127-0x00007FF751840000-0x00007FF751B94000-memory.dmp

          memory/3908-133-0x00007FF651D90000-0x00007FF6520E4000-memory.dmp

          memory/3908-111-0x00007FF651D90000-0x00007FF6520E4000-memory.dmp

          memory/4100-131-0x00007FF731CA0000-0x00007FF731FF4000-memory.dmp

          memory/4100-20-0x00007FF731CA0000-0x00007FF731FF4000-memory.dmp

          memory/4176-126-0x00007FF63AF30000-0x00007FF63B284000-memory.dmp

          memory/4176-134-0x00007FF63AF30000-0x00007FF63B284000-memory.dmp

          memory/4344-130-0x00007FF759640000-0x00007FF759994000-memory.dmp

          memory/4344-16-0x00007FF759640000-0x00007FF759994000-memory.dmp

          memory/4420-124-0x00007FF701B30000-0x00007FF701E84000-memory.dmp

          memory/4420-149-0x00007FF701B30000-0x00007FF701E84000-memory.dmp

          memory/4968-118-0x00007FF6B2920000-0x00007FF6B2C74000-memory.dmp

          memory/4968-141-0x00007FF6B2920000-0x00007FF6B2C74000-memory.dmp

          memory/4996-139-0x00007FF6B86C0000-0x00007FF6B8A14000-memory.dmp

          memory/4996-123-0x00007FF6B86C0000-0x00007FF6B8A14000-memory.dmp

          memory/5052-116-0x00007FF7B5810000-0x00007FF7B5B64000-memory.dmp

          memory/5052-140-0x00007FF7B5810000-0x00007FF7B5B64000-memory.dmp

          memory/5056-115-0x00007FF791510000-0x00007FF791864000-memory.dmp

          memory/5056-144-0x00007FF791510000-0x00007FF791864000-memory.dmp