Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 09:45

General

  • Target
    2024-05-25_6d3e56bca15bfb6397515c136b0036ee_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240525-lrfdeadd27
  • SHA256 54fa64466eb7c52976a8e59e0a3e57bf7a8aa76cb9533b0a0a12f4eceafe2fd0
  • 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\2024-05-25_6d3e56bca15bfb6397515c136b0036ee_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_6d3e56bca15bfb6397515c136b0036ee_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Windows\System\WCkfCgI.exe
      C:\Windows\System\WCkfCgI.exe
      2⤵
      • Executes dropped EXE
      PID:3620
    • C:\Windows\System\MdiXhGY.exe
      C:\Windows\System\MdiXhGY.exe
      2⤵
      • Executes dropped EXE
      PID:4992
    • C:\Windows\System\AcuYiNq.exe
      C:\Windows\System\AcuYiNq.exe
      2⤵
      • Executes dropped EXE
      PID:1976
    • C:\Windows\System\Gtwparz.exe
      C:\Windows\System\Gtwparz.exe
      2⤵
      • Executes dropped EXE
      PID:1952
    • C:\Windows\System\bXXTZCL.exe
      C:\Windows\System\bXXTZCL.exe
      2⤵
      • Executes dropped EXE
      PID:4176
    • C:\Windows\System\JfgrAma.exe
      C:\Windows\System\JfgrAma.exe
      2⤵
      • Executes dropped EXE
      PID:924
    • C:\Windows\System\yygCbsG.exe
      C:\Windows\System\yygCbsG.exe
      2⤵
      • Executes dropped EXE
      PID:772
    • C:\Windows\System\DVCZctc.exe
      C:\Windows\System\DVCZctc.exe
      2⤵
      • Executes dropped EXE
      PID:5416
    • C:\Windows\System\NrSDasY.exe
      C:\Windows\System\NrSDasY.exe
      2⤵
      • Executes dropped EXE
      PID:5448
    • C:\Windows\System\cZldjYs.exe
      C:\Windows\System\cZldjYs.exe
      2⤵
      • Executes dropped EXE
      PID:5772
    • C:\Windows\System\xMEJNLF.exe
      C:\Windows\System\xMEJNLF.exe
      2⤵
      • Executes dropped EXE
      PID:5340
    • C:\Windows\System\acubFwy.exe
      C:\Windows\System\acubFwy.exe
      2⤵
      • Executes dropped EXE
      PID:5376
    • C:\Windows\System\camjykP.exe
      C:\Windows\System\camjykP.exe
      2⤵
      • Executes dropped EXE
      PID:5316
    • C:\Windows\System\PRLIWxD.exe
      C:\Windows\System\PRLIWxD.exe
      2⤵
      • Executes dropped EXE
      PID:4608
    • C:\Windows\System\TzNRAVO.exe
      C:\Windows\System\TzNRAVO.exe
      2⤵
      • Executes dropped EXE
      PID:4168
    • C:\Windows\System\znwMOkM.exe
      C:\Windows\System\znwMOkM.exe
      2⤵
      • Executes dropped EXE
      PID:4860
    • C:\Windows\System\aOUbRFL.exe
      C:\Windows\System\aOUbRFL.exe
      2⤵
      • Executes dropped EXE
      PID:5960
    • C:\Windows\System\BKpnRQb.exe
      C:\Windows\System\BKpnRQb.exe
      2⤵
      • Executes dropped EXE
      PID:5900
    • C:\Windows\System\MmRmqiF.exe
      C:\Windows\System\MmRmqiF.exe
      2⤵
      • Executes dropped EXE
      PID:5956
    • C:\Windows\System\XDwKwKa.exe
      C:\Windows\System\XDwKwKa.exe
      2⤵
      • Executes dropped EXE
      PID:5988
    • C:\Windows\System\pWIEGkY.exe
      C:\Windows\System\pWIEGkY.exe
      2⤵
      • Executes dropped EXE
      PID:3592
  • 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=3892 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3396

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          AcuYiNq.exe

          • Path C:\Windows\System\AcuYiNq.exe
          • Size 5.9MB
          • SHA256 17649cca3fab9d8d8de372dce5dc53a1eb8baa917fc3d39eed5a6cbc9df19b92
          • MD5 SHA1 SHA512 SSDEEP

          BKpnRQb.exe

          • Path C:\Windows\System\BKpnRQb.exe
          • Size 5.9MB
          • SHA256 fc39a133a661d6710691866627fbcc825fd238968e3506f2d36ec4eb23849c86
          • MD5 SHA1 SHA512 SSDEEP

          DVCZctc.exe

          • Path C:\Windows\System\DVCZctc.exe
          • Size 5.9MB
          • SHA256 d8178f8162979ade3e264c99eda3120dc21ced18044cf29674e549d69f0ae093
          • MD5 SHA1 SHA512 SSDEEP

          Gtwparz.exe

          • Path C:\Windows\System\Gtwparz.exe
          • Size 5.9MB
          • SHA256 123ef949106e77c204400eb12392634c47c0354cec6c0b77ace0c2abffa34f96
          • MD5 SHA1 SHA512 SSDEEP

          JfgrAma.exe

          • Path C:\Windows\System\JfgrAma.exe
          • Size 5.9MB
          • SHA256 ff13cd99c66fcfd28904b5b92541949e037fd8c3f0f73d41edd379a490dc2fb5
          • MD5 SHA1 SHA512 SSDEEP

          MdiXhGY.exe

          • Path C:\Windows\System\MdiXhGY.exe
          • Size 5.9MB
          • SHA256 da0f8dd6156b067a509b5b825d7e679c666069bd429cf928643257733d75739d
          • MD5 SHA1 SHA512 SSDEEP

          MmRmqiF.exe

          • Path C:\Windows\System\MmRmqiF.exe
          • Size 5.9MB
          • SHA256 abd8b2fa9dc5e0e712fc609cfffba0e2ef1d8129c69db3ad3635ee6745bb8b92
          • MD5 SHA1 SHA512 SSDEEP

          NrSDasY.exe

          • Path C:\Windows\System\NrSDasY.exe
          • Size 5.9MB
          • SHA256 28a0de00b808dd0ba792cecfde0360f1fb29ac4169d276f8225608652b210f94
          • MD5 SHA1 SHA512 SSDEEP

          PRLIWxD.exe

          • Path C:\Windows\System\PRLIWxD.exe
          • Size 5.9MB
          • SHA256 fd896804da706cb6b4e9f5067353f74a556b70895f2287c5fa00b4838551d422
          • MD5 SHA1 SHA512 SSDEEP

          TzNRAVO.exe

          • Path C:\Windows\System\TzNRAVO.exe
          • Size 5.9MB
          • SHA256 477f1ad39521d31743f795de08e77abec3bbba4a6f8587ad1f7f7823bb2975b2
          • MD5 SHA1 SHA512 SSDEEP

          WCkfCgI.exe

          • Path C:\Windows\System\WCkfCgI.exe
          • Size 5.9MB
          • SHA256 d250446c2c61b269e3fead8804c1dce96e8453f863064820f1a2ce8087c2fba2
          • MD5 SHA1 SHA512 SSDEEP

          XDwKwKa.exe

          • Path C:\Windows\System\XDwKwKa.exe
          • Size 5.9MB
          • SHA256 c8c38cfa86530029fc9d376b4abc65729ff47da57633058af3b529ae87d9633e
          • MD5 SHA1 SHA512 SSDEEP

          aOUbRFL.exe

          • Path C:\Windows\System\aOUbRFL.exe
          • Size 5.9MB
          • SHA256 94cf1cfcfc71142275947fb65c81f3a750bb2c3d86aca125cc921764f76e3ec8
          • MD5 SHA1 SHA512 SSDEEP

          acubFwy.exe

          • Path C:\Windows\System\acubFwy.exe
          • Size 5.9MB
          • SHA256 73c7f12b53e93673e8082331bc9443eb1e9450c7b22912f7a32f87e11dbe3d76
          • MD5 SHA1 SHA512 SSDEEP

          bXXTZCL.exe

          • Path C:\Windows\System\bXXTZCL.exe
          • Size 5.9MB
          • SHA256 357fa5534822405013a87da7300332684e5b91b5b3ab176f58ff2c897b98368e
          • MD5 SHA1 SHA512 SSDEEP

          cZldjYs.exe

          • Path C:\Windows\System\cZldjYs.exe
          • Size 5.9MB
          • SHA256 1ea7238d790233e9c1e0f768413cd64ba4a92eac18d08ba64f13d7dab0dd6458
          • MD5 SHA1 SHA512 SSDEEP

          camjykP.exe

          • Path C:\Windows\System\camjykP.exe
          • Size 5.9MB
          • SHA256 ad47e39e73b47806dee75e8c898486baa40ce0bab36e7507b822c1846a946d32
          • MD5 SHA1 SHA512 SSDEEP

          pWIEGkY.exe

          • Path C:\Windows\System\pWIEGkY.exe
          • Size 5.9MB
          • SHA256 b9c72983eba5bf595e3f8ef65ef63e6c4b7d5fdf32a719a02f0e8bd7ce3ad4ff
          • MD5 SHA1 SHA512 SSDEEP

          xMEJNLF.exe

          • Path C:\Windows\System\xMEJNLF.exe
          • Size 5.9MB
          • SHA256 a7644c35f8342c4ff7f0732ed27e619652e844c5bb01cf1cc6fb62c7f098f8b6
          • MD5 SHA1 SHA512 SSDEEP

          yygCbsG.exe

          • Path C:\Windows\System\yygCbsG.exe
          • Size 5.9MB
          • SHA256 6357176ded57aca18b750ceb93d6dfa601df8b925fd9ef9ff2f632e7cdb141ae
          • MD5 SHA1 SHA512 SSDEEP

          znwMOkM.exe

          • Path C:\Windows\System\znwMOkM.exe
          • Size 5.9MB
          • SHA256 278bf2c7879607ccca1edddc97e06c9e6330167ad66567ddee360588d29d9e81
          • MD5 SHA1 SHA512 SSDEEP

          memory/772-131-0x00007FF71AB70000-0x00007FF71AEC4000-memory.dmp

          memory/772-138-0x00007FF71AB70000-0x00007FF71AEC4000-memory.dmp

          memory/772-113-0x00007FF71AB70000-0x00007FF71AEC4000-memory.dmp

          memory/924-137-0x00007FF6040B0000-0x00007FF604404000-memory.dmp

          memory/924-38-0x00007FF6040B0000-0x00007FF604404000-memory.dmp

          memory/1952-135-0x00007FF7108E0000-0x00007FF710C34000-memory.dmp

          memory/1952-26-0x00007FF7108E0000-0x00007FF710C34000-memory.dmp

          memory/1976-134-0x00007FF6A1160000-0x00007FF6A14B4000-memory.dmp

          memory/1976-24-0x00007FF6A1160000-0x00007FF6A14B4000-memory.dmp

          memory/2260-0-0x00007FF70A3B0000-0x00007FF70A704000-memory.dmp

          memory/2260-128-0x00007FF70A3B0000-0x00007FF70A704000-memory.dmp

          memory/2260-1-0x000001B3F07D0000-0x000001B3F07E0000-memory.dmp

          memory/3592-126-0x00007FF6311E0000-0x00007FF631534000-memory.dmp

          memory/3592-152-0x00007FF6311E0000-0x00007FF631534000-memory.dmp

          memory/3620-132-0x00007FF76BE60000-0x00007FF76C1B4000-memory.dmp

          memory/3620-129-0x00007FF76BE60000-0x00007FF76C1B4000-memory.dmp

          memory/3620-8-0x00007FF76BE60000-0x00007FF76C1B4000-memory.dmp

          memory/4168-120-0x00007FF6F0BF0000-0x00007FF6F0F44000-memory.dmp

          memory/4168-146-0x00007FF6F0BF0000-0x00007FF6F0F44000-memory.dmp

          memory/4176-32-0x00007FF749AE0000-0x00007FF749E34000-memory.dmp

          memory/4176-136-0x00007FF749AE0000-0x00007FF749E34000-memory.dmp

          memory/4608-145-0x00007FF6B7D60000-0x00007FF6B80B4000-memory.dmp

          memory/4608-119-0x00007FF6B7D60000-0x00007FF6B80B4000-memory.dmp

          memory/4860-121-0x00007FF7CE1B0000-0x00007FF7CE504000-memory.dmp

          memory/4860-147-0x00007FF7CE1B0000-0x00007FF7CE504000-memory.dmp

          memory/4992-133-0x00007FF6C4090000-0x00007FF6C43E4000-memory.dmp

          memory/4992-14-0x00007FF6C4090000-0x00007FF6C43E4000-memory.dmp

          memory/4992-130-0x00007FF6C4090000-0x00007FF6C43E4000-memory.dmp

          memory/5316-118-0x00007FF73C850000-0x00007FF73CBA4000-memory.dmp

          memory/5316-144-0x00007FF73C850000-0x00007FF73CBA4000-memory.dmp

          memory/5340-116-0x00007FF79C730000-0x00007FF79CA84000-memory.dmp

          memory/5340-142-0x00007FF79C730000-0x00007FF79CA84000-memory.dmp

          memory/5376-143-0x00007FF6BAF80000-0x00007FF6BB2D4000-memory.dmp

          memory/5376-117-0x00007FF6BAF80000-0x00007FF6BB2D4000-memory.dmp

          memory/5416-139-0x00007FF6F6A00000-0x00007FF6F6D54000-memory.dmp

          memory/5416-127-0x00007FF6F6A00000-0x00007FF6F6D54000-memory.dmp

          memory/5448-140-0x00007FF791040000-0x00007FF791394000-memory.dmp

          memory/5448-114-0x00007FF791040000-0x00007FF791394000-memory.dmp

          memory/5772-115-0x00007FF733600000-0x00007FF733954000-memory.dmp

          memory/5772-141-0x00007FF733600000-0x00007FF733954000-memory.dmp

          memory/5900-123-0x00007FF6BE5E0000-0x00007FF6BE934000-memory.dmp

          memory/5900-149-0x00007FF6BE5E0000-0x00007FF6BE934000-memory.dmp

          memory/5956-124-0x00007FF60A080000-0x00007FF60A3D4000-memory.dmp

          memory/5956-150-0x00007FF60A080000-0x00007FF60A3D4000-memory.dmp

          memory/5960-122-0x00007FF7C8EA0000-0x00007FF7C91F4000-memory.dmp

          memory/5960-148-0x00007FF7C8EA0000-0x00007FF7C91F4000-memory.dmp

          memory/5988-125-0x00007FF6A9DE0000-0x00007FF6AA134000-memory.dmp

          memory/5988-151-0x00007FF6A9DE0000-0x00007FF6AA134000-memory.dmp