Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 02:02

General

  • Target
    2024-06-01_85b069a8a846539b611fc33a5a8753a4_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-cf8fdaeg64
  • SHA256 40c4c891d39ae7918c0dc45a87e6fa6a5c3fa6732c0412305492c8f69e59ec8b
  • 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_85b069a8a846539b611fc33a5a8753a4_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_85b069a8a846539b611fc33a5a8753a4_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Windows\System\YUJzdNG.exe
      C:\Windows\System\YUJzdNG.exe
      2⤵
      • Executes dropped EXE
      PID:1392
    • C:\Windows\System\UAdsQZH.exe
      C:\Windows\System\UAdsQZH.exe
      2⤵
      • Executes dropped EXE
      PID:4608
    • C:\Windows\System\NJuBeYe.exe
      C:\Windows\System\NJuBeYe.exe
      2⤵
      • Executes dropped EXE
      PID:3016
    • C:\Windows\System\CEQqUYA.exe
      C:\Windows\System\CEQqUYA.exe
      2⤵
      • Executes dropped EXE
      PID:4800
    • C:\Windows\System\kDbwrgQ.exe
      C:\Windows\System\kDbwrgQ.exe
      2⤵
      • Executes dropped EXE
      PID:2340
    • C:\Windows\System\mLzaDBR.exe
      C:\Windows\System\mLzaDBR.exe
      2⤵
      • Executes dropped EXE
      PID:1728
    • C:\Windows\System\XLheihT.exe
      C:\Windows\System\XLheihT.exe
      2⤵
      • Executes dropped EXE
      PID:4056
    • C:\Windows\System\KTXWrkb.exe
      C:\Windows\System\KTXWrkb.exe
      2⤵
      • Executes dropped EXE
      PID:3716
    • C:\Windows\System\ZNcwVJp.exe
      C:\Windows\System\ZNcwVJp.exe
      2⤵
      • Executes dropped EXE
      PID:4952
    • C:\Windows\System\qeiqUxe.exe
      C:\Windows\System\qeiqUxe.exe
      2⤵
      • Executes dropped EXE
      PID:2068
    • C:\Windows\System\LFwzXcM.exe
      C:\Windows\System\LFwzXcM.exe
      2⤵
      • Executes dropped EXE
      PID:1408
    • C:\Windows\System\ZbuALEb.exe
      C:\Windows\System\ZbuALEb.exe
      2⤵
      • Executes dropped EXE
      PID:1356
    • C:\Windows\System\ojIbGQl.exe
      C:\Windows\System\ojIbGQl.exe
      2⤵
      • Executes dropped EXE
      PID:384
    • C:\Windows\System\GggunFz.exe
      C:\Windows\System\GggunFz.exe
      2⤵
      • Executes dropped EXE
      PID:3472
    • C:\Windows\System\UpwIjay.exe
      C:\Windows\System\UpwIjay.exe
      2⤵
      • Executes dropped EXE
      PID:4048
    • C:\Windows\System\IxfwwjP.exe
      C:\Windows\System\IxfwwjP.exe
      2⤵
      • Executes dropped EXE
      PID:908
    • C:\Windows\System\UJEElQv.exe
      C:\Windows\System\UJEElQv.exe
      2⤵
      • Executes dropped EXE
      PID:1932
    • C:\Windows\System\ftCTltS.exe
      C:\Windows\System\ftCTltS.exe
      2⤵
      • Executes dropped EXE
      PID:4372
    • C:\Windows\System\TGQaqPt.exe
      C:\Windows\System\TGQaqPt.exe
      2⤵
      • Executes dropped EXE
      PID:3520
    • C:\Windows\System\IUiiCEZ.exe
      C:\Windows\System\IUiiCEZ.exe
      2⤵
      • Executes dropped EXE
      PID:1616
    • C:\Windows\System\qAPwcha.exe
      C:\Windows\System\qAPwcha.exe
      2⤵
      • Executes dropped EXE
      PID:536
  • 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 --field-trial-handle=4368,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=3740 /prefetch:8
    1⤵
      PID:4016

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          CEQqUYA.exe

          • Path C:\Windows\System\CEQqUYA.exe
          • Size 5.9MB
          • SHA256 fae504aaa78732311e4513b9c82ec0542ef57aa3fa3aab5cb5d61bf5d5061f10
          • MD5 SHA1 SHA512 SSDEEP

          GggunFz.exe

          • Path C:\Windows\System\GggunFz.exe
          • Size 5.9MB
          • SHA256 54977d4bdfcd85b2c8c5fd3036a5af69c7b92a14c098630a92b4502834f4e68a
          • MD5 SHA1 SHA512 SSDEEP

          IUiiCEZ.exe

          • Path C:\Windows\System\IUiiCEZ.exe
          • Size 5.9MB
          • SHA256 3ff525748e5cab554777d2250112cf718a33bdbea038986b871c93744796e18d
          • MD5 SHA1 SHA512 SSDEEP

          IxfwwjP.exe

          • Path C:\Windows\System\IxfwwjP.exe
          • Size 5.9MB
          • SHA256 62559116b0b573d9053b529b90944074e24a74a10601e882e77caf7bbaa824d4
          • MD5 SHA1 SHA512 SSDEEP

          KTXWrkb.exe

          • Path C:\Windows\System\KTXWrkb.exe
          • Size 5.9MB
          • SHA256 10f369ee28f82f4c22864a8d3a440ae50e6992c457604f93ee5bd3a9398ab064
          • MD5 SHA1 SHA512 SSDEEP

          LFwzXcM.exe

          • Path C:\Windows\System\LFwzXcM.exe
          • Size 5.9MB
          • SHA256 da6ce075fadd70604bbd83da12d63593e850d010578da7b5e70ff0fb353fd1a5
          • MD5 SHA1 SHA512 SSDEEP

          NJuBeYe.exe

          • Path C:\Windows\System\NJuBeYe.exe
          • Size 5.9MB
          • SHA256 c19f53445d8477c8aee5b24400f1b7efae8a06ead3d1eab54b245b4b354e8182
          • MD5 SHA1 SHA512 SSDEEP

          TGQaqPt.exe

          • Path C:\Windows\System\TGQaqPt.exe
          • Size 5.9MB
          • SHA256 af93a5ccbeac9a170d21cea643c1f6e8488943adbe9da90c7ea96e955d75a90a
          • MD5 SHA1 SHA512 SSDEEP

          UAdsQZH.exe

          • Path C:\Windows\System\UAdsQZH.exe
          • Size 5.9MB
          • SHA256 3a8ca49cca4f3263125238efc88cb143bff1e6017e9fae169a851813569f1701
          • MD5 SHA1 SHA512 SSDEEP

          UJEElQv.exe

          • Path C:\Windows\System\UJEElQv.exe
          • Size 5.9MB
          • SHA256 4ddc5fe14021c1920aa582b8d4ab6a812e217c9f8c93fe8a32b666388fa487bf
          • MD5 SHA1 SHA512 SSDEEP

          UpwIjay.exe

          • Path C:\Windows\System\UpwIjay.exe
          • Size 5.9MB
          • SHA256 97d86fd71e76be2dd8a3451b077d3a24a63b202d0a9999bdf6d317a47fc73d09
          • MD5 SHA1 SHA512 SSDEEP

          XLheihT.exe

          • Path C:\Windows\System\XLheihT.exe
          • Size 5.9MB
          • SHA256 6b7429c1c111f25673a3c2659f142c2c6a59d3ad7d7f0730bc4217c60b7b5e1d
          • MD5 SHA1 SHA512 SSDEEP

          YUJzdNG.exe

          • Path C:\Windows\System\YUJzdNG.exe
          • Size 5.9MB
          • SHA256 40071567e0341480785a786a8633365cc5b64577ff3b646dcf4b347a2a0fcd10
          • MD5 SHA1 SHA512 SSDEEP

          ZNcwVJp.exe

          • Path C:\Windows\System\ZNcwVJp.exe
          • Size 5.9MB
          • SHA256 e34ecfb36bb4a3be3cfe2a7320663342b369303eaa09283758ef10998f2855ff
          • MD5 SHA1 SHA512 SSDEEP

          ZbuALEb.exe

          • Path C:\Windows\System\ZbuALEb.exe
          • Size 5.9MB
          • SHA256 e3aa202a4061991b370aac57d745e25aaa76d033c4d2d498e66b6e97dbd08404
          • MD5 SHA1 SHA512 SSDEEP

          ftCTltS.exe

          • Path C:\Windows\System\ftCTltS.exe
          • Size 5.9MB
          • SHA256 81e675f98140b2d825b3776e529b6f1202066b6f3e6c28d67854757ce4d0df2a
          • MD5 SHA1 SHA512 SSDEEP

          kDbwrgQ.exe

          • Path C:\Windows\System\kDbwrgQ.exe
          • Size 5.9MB
          • SHA256 105eb1d4c20af4ca5d9ea5ce4bcdb2df0948b907b88bc4aabde66d2c3df7a0da
          • MD5 SHA1 SHA512 SSDEEP

          mLzaDBR.exe

          • Path C:\Windows\System\mLzaDBR.exe
          • Size 5.9MB
          • SHA256 16c5fea36568290a5bc89294fde5c337d9cdc16863bf8603d990cd5c9233964c
          • MD5 SHA1 SHA512 SSDEEP

          ojIbGQl.exe

          • Path C:\Windows\System\ojIbGQl.exe
          • Size 5.9MB
          • SHA256 765740b27e2f10b10c7dd7a3812cb35bfaf18ecdb3ecc9728e4d1de5149fbacc
          • MD5 SHA1 SHA512 SSDEEP

          qAPwcha.exe

          • Path C:\Windows\System\qAPwcha.exe
          • Size 5.9MB
          • SHA256 209c73d852e93aa951fe153e65ddb952350730691f11354d5fc44044cd28561f
          • MD5 SHA1 SHA512 SSDEEP

          qeiqUxe.exe

          • Path C:\Windows\System\qeiqUxe.exe
          • Size 5.9MB
          • SHA256 4aa475cdf8dc6cbabb7a6e21b32f4802367adf41f973e8a8a7531e34058e3a42
          • MD5 SHA1 SHA512 SSDEEP

          memory/384-105-0x00007FF63AF80000-0x00007FF63B2D4000-memory.dmp

          memory/384-144-0x00007FF63AF80000-0x00007FF63B2D4000-memory.dmp

          memory/536-127-0x00007FF759580000-0x00007FF7598D4000-memory.dmp

          memory/536-151-0x00007FF759580000-0x00007FF7598D4000-memory.dmp

          memory/908-115-0x00007FF73BFB0000-0x00007FF73C304000-memory.dmp

          memory/908-148-0x00007FF73BFB0000-0x00007FF73C304000-memory.dmp

          memory/1056-128-0x00007FF64DE10000-0x00007FF64E164000-memory.dmp

          memory/1056-0-0x00007FF64DE10000-0x00007FF64E164000-memory.dmp

          memory/1056-1-0x000001F914140000-0x000001F914150000-memory.dmp

          memory/1356-104-0x00007FF6BAF50000-0x00007FF6BB2A4000-memory.dmp

          memory/1356-145-0x00007FF6BAF50000-0x00007FF6BB2A4000-memory.dmp

          memory/1392-129-0x00007FF615830000-0x00007FF615B84000-memory.dmp

          memory/1392-9-0x00007FF615830000-0x00007FF615B84000-memory.dmp

          memory/1392-133-0x00007FF615830000-0x00007FF615B84000-memory.dmp

          memory/1408-103-0x00007FF64E910000-0x00007FF64EC64000-memory.dmp

          memory/1408-146-0x00007FF64E910000-0x00007FF64EC64000-memory.dmp

          memory/1616-150-0x00007FF66DA60000-0x00007FF66DDB4000-memory.dmp

          memory/1616-126-0x00007FF66DA60000-0x00007FF66DDB4000-memory.dmp

          memory/1728-138-0x00007FF6D8BD0000-0x00007FF6D8F24000-memory.dmp

          memory/1728-40-0x00007FF6D8BD0000-0x00007FF6D8F24000-memory.dmp

          memory/1932-119-0x00007FF72A380000-0x00007FF72A6D4000-memory.dmp

          memory/1932-149-0x00007FF72A380000-0x00007FF72A6D4000-memory.dmp

          memory/2068-142-0x00007FF74AE70000-0x00007FF74B1C4000-memory.dmp

          memory/2068-100-0x00007FF74AE70000-0x00007FF74B1C4000-memory.dmp

          memory/2340-137-0x00007FF6FF910000-0x00007FF6FFC64000-memory.dmp

          memory/2340-38-0x00007FF6FF910000-0x00007FF6FFC64000-memory.dmp

          memory/3016-131-0x00007FF690400000-0x00007FF690754000-memory.dmp

          memory/3016-18-0x00007FF690400000-0x00007FF690754000-memory.dmp

          memory/3016-135-0x00007FF690400000-0x00007FF690754000-memory.dmp

          memory/3472-143-0x00007FF6ED740000-0x00007FF6EDA94000-memory.dmp

          memory/3472-111-0x00007FF6ED740000-0x00007FF6EDA94000-memory.dmp

          memory/3520-125-0x00007FF7649A0000-0x00007FF764CF4000-memory.dmp

          memory/3520-152-0x00007FF7649A0000-0x00007FF764CF4000-memory.dmp

          memory/3716-95-0x00007FF6CDD40000-0x00007FF6CE094000-memory.dmp

          memory/3716-139-0x00007FF6CDD40000-0x00007FF6CE094000-memory.dmp

          memory/4048-112-0x00007FF7C0F10000-0x00007FF7C1264000-memory.dmp

          memory/4048-147-0x00007FF7C0F10000-0x00007FF7C1264000-memory.dmp

          memory/4056-141-0x00007FF688F30000-0x00007FF689284000-memory.dmp

          memory/4056-92-0x00007FF688F30000-0x00007FF689284000-memory.dmp

          memory/4372-153-0x00007FF7ACCE0000-0x00007FF7AD034000-memory.dmp

          memory/4372-122-0x00007FF7ACCE0000-0x00007FF7AD034000-memory.dmp

          memory/4608-134-0x00007FF7AA080000-0x00007FF7AA3D4000-memory.dmp

          memory/4608-14-0x00007FF7AA080000-0x00007FF7AA3D4000-memory.dmp

          memory/4608-130-0x00007FF7AA080000-0x00007FF7AA3D4000-memory.dmp

          memory/4800-136-0x00007FF7BB850000-0x00007FF7BBBA4000-memory.dmp

          memory/4800-24-0x00007FF7BB850000-0x00007FF7BBBA4000-memory.dmp

          memory/4800-132-0x00007FF7BB850000-0x00007FF7BBBA4000-memory.dmp

          memory/4952-99-0x00007FF7C2E60000-0x00007FF7C31B4000-memory.dmp

          memory/4952-140-0x00007FF7C2E60000-0x00007FF7C31B4000-memory.dmp