Analysis

  • max time kernel
    143s
  • 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
    02/06/2024, 07:46

General

  • Target
    2024-06-02_643e51f930928cfa958356b8601631f5_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240602-jl2ncafc3v
  • SHA256 5dc81df51489be776eae2617bc2295757cab331ec278493a0801342de1948b82
  • 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_643e51f930928cfa958356b8601631f5_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_643e51f930928cfa958356b8601631f5_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\System\lfObCVw.exe
      C:\Windows\System\lfObCVw.exe
      2⤵
      • Executes dropped EXE
      PID:3360
    • C:\Windows\System\bYmYzjB.exe
      C:\Windows\System\bYmYzjB.exe
      2⤵
      • Executes dropped EXE
      PID:4712
    • C:\Windows\System\lUZcLhx.exe
      C:\Windows\System\lUZcLhx.exe
      2⤵
      • Executes dropped EXE
      PID:4624
    • C:\Windows\System\pjtWXlL.exe
      C:\Windows\System\pjtWXlL.exe
      2⤵
      • Executes dropped EXE
      PID:3772
    • C:\Windows\System\zyqNgPP.exe
      C:\Windows\System\zyqNgPP.exe
      2⤵
      • Executes dropped EXE
      PID:4952
    • C:\Windows\System\QBqvfqR.exe
      C:\Windows\System\QBqvfqR.exe
      2⤵
      • Executes dropped EXE
      PID:1492
    • C:\Windows\System\RkJgLHu.exe
      C:\Windows\System\RkJgLHu.exe
      2⤵
      • Executes dropped EXE
      PID:3688
    • C:\Windows\System\AoZBpWm.exe
      C:\Windows\System\AoZBpWm.exe
      2⤵
      • Executes dropped EXE
      PID:1872
    • C:\Windows\System\zDEecei.exe
      C:\Windows\System\zDEecei.exe
      2⤵
      • Executes dropped EXE
      PID:3732
    • C:\Windows\System\zKHNRri.exe
      C:\Windows\System\zKHNRri.exe
      2⤵
      • Executes dropped EXE
      PID:400
    • C:\Windows\System\nPQTvMH.exe
      C:\Windows\System\nPQTvMH.exe
      2⤵
      • Executes dropped EXE
      PID:2916
    • C:\Windows\System\wVCqOTM.exe
      C:\Windows\System\wVCqOTM.exe
      2⤵
      • Executes dropped EXE
      PID:2492
    • C:\Windows\System\YPXpQhR.exe
      C:\Windows\System\YPXpQhR.exe
      2⤵
      • Executes dropped EXE
      PID:1600
    • C:\Windows\System\JkpcOSV.exe
      C:\Windows\System\JkpcOSV.exe
      2⤵
      • Executes dropped EXE
      PID:3464
    • C:\Windows\System\maCZpsk.exe
      C:\Windows\System\maCZpsk.exe
      2⤵
      • Executes dropped EXE
      PID:852
    • C:\Windows\System\zKbwWyX.exe
      C:\Windows\System\zKbwWyX.exe
      2⤵
      • Executes dropped EXE
      PID:2420
    • C:\Windows\System\jQjBhsN.exe
      C:\Windows\System\jQjBhsN.exe
      2⤵
      • Executes dropped EXE
      PID:1968
    • C:\Windows\System\xXTHDiM.exe
      C:\Windows\System\xXTHDiM.exe
      2⤵
      • Executes dropped EXE
      PID:1824
    • C:\Windows\System\svbTJyA.exe
      C:\Windows\System\svbTJyA.exe
      2⤵
      • Executes dropped EXE
      PID:3428
    • C:\Windows\System\YSjYEfa.exe
      C:\Windows\System\YSjYEfa.exe
      2⤵
      • Executes dropped EXE
      PID:2204
    • C:\Windows\System\ozlAkgI.exe
      C:\Windows\System\ozlAkgI.exe
      2⤵
      • Executes dropped EXE
      PID:1388
  • 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=4032 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4644

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          AoZBpWm.exe

          • Path C:\Windows\System\AoZBpWm.exe
          • Size 5.9MB
          • SHA256 68108380fe6671e431016bfdb7077eb32c3cc7d03bb67ef4d7d507373c3646d9
          • MD5 SHA1 SHA512 SSDEEP

          JkpcOSV.exe

          • Path C:\Windows\System\JkpcOSV.exe
          • Size 5.9MB
          • SHA256 bdc00420345a22e2e9ea2843835e610d021084a85160e167c72a5fd0f7b3460d
          • MD5 SHA1 SHA512 SSDEEP

          QBqvfqR.exe

          • Path C:\Windows\System\QBqvfqR.exe
          • Size 5.9MB
          • SHA256 f486cf9dd959fa6e7d240634a3704dcb56724559cc4dc896fae6cf90db439bf8
          • MD5 SHA1 SHA512 SSDEEP

          RkJgLHu.exe

          • Path C:\Windows\System\RkJgLHu.exe
          • Size 5.9MB
          • SHA256 0db7aa9214007bdf1d9f0ee88f2ce38630997c1e53eb626ac58df5dc2148a137
          • MD5 SHA1 SHA512 SSDEEP

          YPXpQhR.exe

          • Path C:\Windows\System\YPXpQhR.exe
          • Size 5.9MB
          • SHA256 732825e8b5cbf2d27bb1105dee38109bdd69fed3ad603766b64ab370f28647d6
          • MD5 SHA1 SHA512 SSDEEP

          YSjYEfa.exe

          • Path C:\Windows\System\YSjYEfa.exe
          • Size 5.9MB
          • SHA256 9af1fbc68650175f00e7dbc460cdb9ac355a40c2cca09b644631b041daf82dcf
          • MD5 SHA1 SHA512 SSDEEP

          bYmYzjB.exe

          • Path C:\Windows\System\bYmYzjB.exe
          • Size 5.9MB
          • SHA256 20f0f2e0472adbbd74cf5eeffca3ee5b1666adf8e385ff831857b2388ea4aad8
          • MD5 SHA1 SHA512 SSDEEP

          jQjBhsN.exe

          • Path C:\Windows\System\jQjBhsN.exe
          • Size 5.9MB
          • SHA256 67c9ff8a919551113ecdcad1e375040d170a7a2688be2683b3f943a154c4bf5b
          • MD5 SHA1 SHA512 SSDEEP

          lUZcLhx.exe

          • Path C:\Windows\System\lUZcLhx.exe
          • Size 5.9MB
          • SHA256 8323ef83986433f01bc9d3a981153c1d198752a04eb7df4b55b78ec3fab28a5d
          • MD5 SHA1 SHA512 SSDEEP

          lfObCVw.exe

          • Path C:\Windows\System\lfObCVw.exe
          • Size 5.9MB
          • SHA256 2fa753674e381d002ad1c6ce7486cb5df319362714c08f22964ce3a47e9b9d6c
          • MD5 SHA1 SHA512 SSDEEP

          maCZpsk.exe

          • Path C:\Windows\System\maCZpsk.exe
          • Size 5.9MB
          • SHA256 955ab99f11566e4ecf0ed34524075e80eb7e23ceec39c9b7b4f3d1fd807a2bfd
          • MD5 SHA1 SHA512 SSDEEP

          nPQTvMH.exe

          • Path C:\Windows\System\nPQTvMH.exe
          • Size 5.9MB
          • SHA256 4f62439b94c879bf94106b3cc70d9ad1d6e3f0d395f8d9f6cbd06ab4ac4e4c60
          • MD5 SHA1 SHA512 SSDEEP

          ozlAkgI.exe

          • Path C:\Windows\System\ozlAkgI.exe
          • Size 5.9MB
          • SHA256 92389f43b021a4765f56b932fd6bdf2e8fb907cc16d72d08990b538a1d343d2d
          • MD5 SHA1 SHA512 SSDEEP

          pjtWXlL.exe

          • Path C:\Windows\System\pjtWXlL.exe
          • Size 5.9MB
          • SHA256 3cfb3ddb4172a4bee6b3b79cb956630c5c81a4960b26e6a3ca2236ec50fd770b
          • MD5 SHA1 SHA512 SSDEEP

          svbTJyA.exe

          • Path C:\Windows\System\svbTJyA.exe
          • Size 5.9MB
          • SHA256 3942b172403b3d4350ae54dbb3b845d31910a3a5cc1d5cdfa8f45b73244fe310
          • MD5 SHA1 SHA512 SSDEEP

          wVCqOTM.exe

          • Path C:\Windows\System\wVCqOTM.exe
          • Size 5.9MB
          • SHA256 84396a24fa3a771f1bfb96a1c1b132f5936b7794618d5a036fbb4712cc1eb428
          • MD5 SHA1 SHA512 SSDEEP

          xXTHDiM.exe

          • Path C:\Windows\System\xXTHDiM.exe
          • Size 5.9MB
          • SHA256 b0ca5af9dee3d091c5bef8beba6ecfa27be45638337ca469a02df3a1d6420597
          • MD5 SHA1 SHA512 SSDEEP

          zDEecei.exe

          • Path C:\Windows\System\zDEecei.exe
          • Size 5.9MB
          • SHA256 cc67ae02b7b8ce7e7c2729581fefd25c9ed1c09e15a9ca68e566ff5dec1d915a
          • MD5 SHA1 SHA512 SSDEEP

          zKHNRri.exe

          • Path C:\Windows\System\zKHNRri.exe
          • Size 5.9MB
          • SHA256 1c2cde48e3f00517fe1cac5683efd39815933d7145f4371e587ce4e67c2fb519
          • MD5 SHA1 SHA512 SSDEEP

          zKbwWyX.exe

          • Path C:\Windows\System\zKbwWyX.exe
          • Size 5.9MB
          • SHA256 b34ba243b48aaae9abfa8f4d1f57846f62f20c95e057207b6ab90eca73ef7737
          • MD5 SHA1 SHA512 SSDEEP

          zyqNgPP.exe

          • Path C:\Windows\System\zyqNgPP.exe
          • Size 5.9MB
          • SHA256 ec0d7dfa4efab0f9589aa56d79b9fddf79ffd2a364a67405d6996961de77298a
          • MD5 SHA1 SHA512 SSDEEP

          memory/400-140-0x00007FF7A9B80000-0x00007FF7A9ED4000-memory.dmp

          memory/400-65-0x00007FF7A9B80000-0x00007FF7A9ED4000-memory.dmp

          memory/400-147-0x00007FF7A9B80000-0x00007FF7A9ED4000-memory.dmp

          memory/852-123-0x00007FF6EB720000-0x00007FF6EBA74000-memory.dmp

          memory/852-152-0x00007FF6EB720000-0x00007FF6EBA74000-memory.dmp

          memory/1388-158-0x00007FF7FDB80000-0x00007FF7FDED4000-memory.dmp

          memory/1388-129-0x00007FF7FDB80000-0x00007FF7FDED4000-memory.dmp

          memory/1492-134-0x00007FF78F780000-0x00007FF78FAD4000-memory.dmp

          memory/1492-40-0x00007FF78F780000-0x00007FF78FAD4000-memory.dmp

          memory/1492-143-0x00007FF78F780000-0x00007FF78FAD4000-memory.dmp

          memory/1600-150-0x00007FF6D6FF0000-0x00007FF6D7344000-memory.dmp

          memory/1600-121-0x00007FF6D6FF0000-0x00007FF6D7344000-memory.dmp

          memory/1824-126-0x00007FF6ABF50000-0x00007FF6AC2A4000-memory.dmp

          memory/1824-155-0x00007FF6ABF50000-0x00007FF6AC2A4000-memory.dmp

          memory/1844-1-0x000002C2102B0000-0x000002C2102C0000-memory.dmp

          memory/1844-0-0x00007FF6DF9C0000-0x00007FF6DFD14000-memory.dmp

          memory/1844-63-0x00007FF6DF9C0000-0x00007FF6DFD14000-memory.dmp

          memory/1872-50-0x00007FF7276C0000-0x00007FF727A14000-memory.dmp

          memory/1872-144-0x00007FF7276C0000-0x00007FF727A14000-memory.dmp

          memory/1968-154-0x00007FF719E80000-0x00007FF71A1D4000-memory.dmp

          memory/1968-125-0x00007FF719E80000-0x00007FF71A1D4000-memory.dmp

          memory/2204-157-0x00007FF71A290000-0x00007FF71A5E4000-memory.dmp

          memory/2204-128-0x00007FF71A290000-0x00007FF71A5E4000-memory.dmp

          memory/2420-124-0x00007FF61A4D0000-0x00007FF61A824000-memory.dmp

          memory/2420-153-0x00007FF61A4D0000-0x00007FF61A824000-memory.dmp

          memory/2492-120-0x00007FF659CB0000-0x00007FF65A004000-memory.dmp

          memory/2492-149-0x00007FF659CB0000-0x00007FF65A004000-memory.dmp

          memory/2916-66-0x00007FF631DD0000-0x00007FF632124000-memory.dmp

          memory/2916-148-0x00007FF631DD0000-0x00007FF632124000-memory.dmp

          memory/2916-141-0x00007FF631DD0000-0x00007FF632124000-memory.dmp

          memory/3360-8-0x00007FF66BAE0000-0x00007FF66BE34000-memory.dmp

          memory/3360-136-0x00007FF66BAE0000-0x00007FF66BE34000-memory.dmp

          memory/3360-119-0x00007FF66BAE0000-0x00007FF66BE34000-memory.dmp

          memory/3428-156-0x00007FF6369E0000-0x00007FF636D34000-memory.dmp

          memory/3428-127-0x00007FF6369E0000-0x00007FF636D34000-memory.dmp

          memory/3464-122-0x00007FF7209B0000-0x00007FF720D04000-memory.dmp

          memory/3464-151-0x00007FF7209B0000-0x00007FF720D04000-memory.dmp

          memory/3688-47-0x00007FF7277C0000-0x00007FF727B14000-memory.dmp

          memory/3688-135-0x00007FF7277C0000-0x00007FF727B14000-memory.dmp

          memory/3688-145-0x00007FF7277C0000-0x00007FF727B14000-memory.dmp

          memory/3732-146-0x00007FF703480000-0x00007FF7037D4000-memory.dmp

          memory/3732-58-0x00007FF703480000-0x00007FF7037D4000-memory.dmp

          memory/3772-139-0x00007FF671DA0000-0x00007FF6720F4000-memory.dmp

          memory/3772-132-0x00007FF671DA0000-0x00007FF6720F4000-memory.dmp

          memory/3772-26-0x00007FF671DA0000-0x00007FF6720F4000-memory.dmp

          memory/4624-19-0x00007FF6D6F80000-0x00007FF6D72D4000-memory.dmp

          memory/4624-131-0x00007FF6D6F80000-0x00007FF6D72D4000-memory.dmp

          memory/4624-138-0x00007FF6D6F80000-0x00007FF6D72D4000-memory.dmp

          memory/4712-130-0x00007FF62C0A0000-0x00007FF62C3F4000-memory.dmp

          memory/4712-137-0x00007FF62C0A0000-0x00007FF62C3F4000-memory.dmp

          memory/4712-14-0x00007FF62C0A0000-0x00007FF62C3F4000-memory.dmp

          memory/4952-32-0x00007FF63F360000-0x00007FF63F6B4000-memory.dmp

          memory/4952-142-0x00007FF63F360000-0x00007FF63F6B4000-memory.dmp

          memory/4952-133-0x00007FF63F360000-0x00007FF63F6B4000-memory.dmp