Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 10:49

General

  • Target
    2024-06-03_5e14e5f50580c5f31a57721608504757_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240603-mwr4fadb72
  • SHA256 03172a9edb6cf427c41d6ec25763e18b1e47ba06e758cfae030ec9ce73623042
  • 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\2024-06-03_5e14e5f50580c5f31a57721608504757_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-03_5e14e5f50580c5f31a57721608504757_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\System\VYuMXYa.exe
      C:\Windows\System\VYuMXYa.exe
      2⤵
      • Executes dropped EXE
      PID:4032
    • C:\Windows\System\ODkKVLe.exe
      C:\Windows\System\ODkKVLe.exe
      2⤵
      • Executes dropped EXE
      PID:4168
    • C:\Windows\System\ADnEQHT.exe
      C:\Windows\System\ADnEQHT.exe
      2⤵
      • Executes dropped EXE
      PID:5004
    • C:\Windows\System\BssYjKf.exe
      C:\Windows\System\BssYjKf.exe
      2⤵
      • Executes dropped EXE
      PID:1476
    • C:\Windows\System\GUHGFGK.exe
      C:\Windows\System\GUHGFGK.exe
      2⤵
      • Executes dropped EXE
      PID:5100
    • C:\Windows\System\UMcSZaK.exe
      C:\Windows\System\UMcSZaK.exe
      2⤵
      • Executes dropped EXE
      PID:1760
    • C:\Windows\System\wNdKeyF.exe
      C:\Windows\System\wNdKeyF.exe
      2⤵
      • Executes dropped EXE
      PID:2252
    • C:\Windows\System\tGcKVDm.exe
      C:\Windows\System\tGcKVDm.exe
      2⤵
      • Executes dropped EXE
      PID:2056
    • C:\Windows\System\EKGJygQ.exe
      C:\Windows\System\EKGJygQ.exe
      2⤵
      • Executes dropped EXE
      PID:5008
    • C:\Windows\System\xXQlypE.exe
      C:\Windows\System\xXQlypE.exe
      2⤵
      • Executes dropped EXE
      PID:4968
    • C:\Windows\System\zmOwPtL.exe
      C:\Windows\System\zmOwPtL.exe
      2⤵
      • Executes dropped EXE
      PID:4404
    • C:\Windows\System\ylJvDpe.exe
      C:\Windows\System\ylJvDpe.exe
      2⤵
      • Executes dropped EXE
      PID:1732
    • C:\Windows\System\pPuOLDV.exe
      C:\Windows\System\pPuOLDV.exe
      2⤵
      • Executes dropped EXE
      PID:2588
    • C:\Windows\System\bJOCxWB.exe
      C:\Windows\System\bJOCxWB.exe
      2⤵
      • Executes dropped EXE
      PID:3784
    • C:\Windows\System\iiVZtyP.exe
      C:\Windows\System\iiVZtyP.exe
      2⤵
      • Executes dropped EXE
      PID:2196
    • C:\Windows\System\hROELyG.exe
      C:\Windows\System\hROELyG.exe
      2⤵
      • Executes dropped EXE
      PID:1248
    • C:\Windows\System\rIxeDRj.exe
      C:\Windows\System\rIxeDRj.exe
      2⤵
      • Executes dropped EXE
      PID:1748
    • C:\Windows\System\bqHVxNM.exe
      C:\Windows\System\bqHVxNM.exe
      2⤵
      • Executes dropped EXE
      PID:4072
    • C:\Windows\System\eXAAFvl.exe
      C:\Windows\System\eXAAFvl.exe
      2⤵
      • Executes dropped EXE
      PID:2404
    • C:\Windows\System\CMxxCsK.exe
      C:\Windows\System\CMxxCsK.exe
      2⤵
      • Executes dropped EXE
      PID:404
    • C:\Windows\System\kvvfQHB.exe
      C:\Windows\System\kvvfQHB.exe
      2⤵
      • Executes dropped EXE
      PID:1728

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ADnEQHT.exe

        • Path C:\Windows\System\ADnEQHT.exe
        • Size 5.9MB
        • SHA256 71f037e45055af3190530c37fe1d13b3bc858126eadef60a10abe65411e506ce
        • MD5 SHA1 SHA512 SSDEEP

        BssYjKf.exe

        • Path C:\Windows\System\BssYjKf.exe
        • Size 5.9MB
        • SHA256 e55d25c14fe8f3255f9205e023b1a3ea1001a85916cf8fde07d607beb280eaf9
        • MD5 SHA1 SHA512 SSDEEP

        CMxxCsK.exe

        • Path C:\Windows\System\CMxxCsK.exe
        • Size 5.9MB
        • SHA256 66b2eecc437f80413b6aacedfb88710db6cacf88e0519af0d0f7587655ad0e7b
        • MD5 SHA1 SHA512 SSDEEP

        EKGJygQ.exe

        • Path C:\Windows\System\EKGJygQ.exe
        • Size 5.9MB
        • SHA256 ef9ff12a61313bb81c770c973d7b97aad40ca1ed529a2ce0cf4fc9916483674b
        • MD5 SHA1 SHA512 SSDEEP

        GUHGFGK.exe

        • Path C:\Windows\System\GUHGFGK.exe
        • Size 5.9MB
        • SHA256 1c9de75eb346a91a400da1c8693fa50c541d623f978ed5e87aeaf1d59da89efa
        • MD5 SHA1 SHA512 SSDEEP

        ODkKVLe.exe

        • Path C:\Windows\System\ODkKVLe.exe
        • Size 5.9MB
        • SHA256 1f44c06bc7db219220eba7b1c211ef8697b534973354cfff0dac5b352663e5ff
        • MD5 SHA1 SHA512 SSDEEP

        UMcSZaK.exe

        • Path C:\Windows\System\UMcSZaK.exe
        • Size 5.9MB
        • SHA256 b0247011c0cea8a7fe21e939eba6b5c0962e9fa8cb19518c34f6a925dd13b7e9
        • MD5 SHA1 SHA512 SSDEEP

        VYuMXYa.exe

        • Path C:\Windows\System\VYuMXYa.exe
        • Size 5.9MB
        • SHA256 d089a15d60058038bd940fc4559f0cf8e88640b273a7153532c2c23c6e432773
        • MD5 SHA1 SHA512 SSDEEP

        bJOCxWB.exe

        • Path C:\Windows\System\bJOCxWB.exe
        • Size 5.9MB
        • SHA256 cb22e69e3a91e019c5a662cf7b759f7d72dcd35eb979f299712eab431dca51c2
        • MD5 SHA1 SHA512 SSDEEP

        bqHVxNM.exe

        • Path C:\Windows\System\bqHVxNM.exe
        • Size 5.9MB
        • SHA256 552577b2383e0e43f827bea246c47297fbf7829308b7c0e532786656ab15df22
        • MD5 SHA1 SHA512 SSDEEP

        eXAAFvl.exe

        • Path C:\Windows\System\eXAAFvl.exe
        • Size 5.9MB
        • SHA256 053df8e7b7cb70903767e17020bb7985ca9f63467469b2b03d5bb0fd76f5c1bf
        • MD5 SHA1 SHA512 SSDEEP

        hROELyG.exe

        • Path C:\Windows\System\hROELyG.exe
        • Size 5.9MB
        • SHA256 24e4e8b3c04805b30ea19b368d81f086f2411bf21f7fe7790619f97e4ec77fa8
        • MD5 SHA1 SHA512 SSDEEP

        iiVZtyP.exe

        • Path C:\Windows\System\iiVZtyP.exe
        • Size 5.9MB
        • SHA256 6de7df6e656365def320d3ba27c4cee72c522c50fdaec256fc284addce7e8525
        • MD5 SHA1 SHA512 SSDEEP

        kvvfQHB.exe

        • Path C:\Windows\System\kvvfQHB.exe
        • Size 5.9MB
        • SHA256 6ac71a9d3c7158cbed013525399f93cb59a0b5432a2cb05282109a11bbb120f4
        • MD5 SHA1 SHA512 SSDEEP

        pPuOLDV.exe

        • Path C:\Windows\System\pPuOLDV.exe
        • Size 5.9MB
        • SHA256 6f8f8dbc6f03abee32f3af095b0f2cf409b882835e683907481d7d0a81497a4a
        • MD5 SHA1 SHA512 SSDEEP

        rIxeDRj.exe

        • Path C:\Windows\System\rIxeDRj.exe
        • Size 5.9MB
        • SHA256 16c75209347bf718454f786d462c0e4eff2ed7e25602e06acb61d70c82db9fe8
        • MD5 SHA1 SHA512 SSDEEP

        tGcKVDm.exe

        • Path C:\Windows\System\tGcKVDm.exe
        • Size 5.9MB
        • SHA256 ad658ca90c586a3d686f62e16974e174640771bd3533f9acaa24049cb2860d87
        • MD5 SHA1 SHA512 SSDEEP

        wNdKeyF.exe

        • Path C:\Windows\System\wNdKeyF.exe
        • Size 5.9MB
        • SHA256 9fe5a382e31c868eb5717caaade6c7fbbf1b27325f2a2e6ecc3c34051b4ae5a1
        • MD5 SHA1 SHA512 SSDEEP

        xXQlypE.exe

        • Path C:\Windows\System\xXQlypE.exe
        • Size 5.9MB
        • SHA256 8b900a78d15b9902529058c77b5510b653fc034921964471b65b68b2ad42e7e5
        • MD5 SHA1 SHA512 SSDEEP

        ylJvDpe.exe

        • Path C:\Windows\System\ylJvDpe.exe
        • Size 5.9MB
        • SHA256 381486550cc548956be13980b8fc198a8164eac3764480b05cbed002d066dcff
        • MD5 SHA1 SHA512 SSDEEP

        zmOwPtL.exe

        • Path C:\Windows\System\zmOwPtL.exe
        • Size 5.9MB
        • SHA256 1591317a8220db5a2a03f0cd9c370c027539c8137cceee27fc21f40a60d40aa2
        • MD5 SHA1 SHA512 SSDEEP

        memory/404-131-0x00007FF722E60000-0x00007FF7231B4000-memory.dmp

        memory/404-156-0x00007FF722E60000-0x00007FF7231B4000-memory.dmp

        memory/404-135-0x00007FF722E60000-0x00007FF7231B4000-memory.dmp

        memory/1248-104-0x00007FF62C240000-0x00007FF62C594000-memory.dmp

        memory/1248-151-0x00007FF62C240000-0x00007FF62C594000-memory.dmp

        memory/1476-139-0x00007FF6E6790000-0x00007FF6E6AE4000-memory.dmp

        memory/1476-31-0x00007FF6E6790000-0x00007FF6E6AE4000-memory.dmp

        memory/1476-102-0x00007FF6E6790000-0x00007FF6E6AE4000-memory.dmp

        memory/1728-132-0x00007FF611F70000-0x00007FF6122C4000-memory.dmp

        memory/1728-155-0x00007FF611F70000-0x00007FF6122C4000-memory.dmp

        memory/1732-147-0x00007FF732040000-0x00007FF732394000-memory.dmp

        memory/1732-74-0x00007FF732040000-0x00007FF732394000-memory.dmp

        memory/1748-134-0x00007FF7122E0000-0x00007FF712634000-memory.dmp

        memory/1748-105-0x00007FF7122E0000-0x00007FF712634000-memory.dmp

        memory/1748-152-0x00007FF7122E0000-0x00007FF712634000-memory.dmp

        memory/1760-141-0x00007FF67D870000-0x00007FF67DBC4000-memory.dmp

        memory/1760-41-0x00007FF67D870000-0x00007FF67DBC4000-memory.dmp

        memory/2056-56-0x00007FF7602B0000-0x00007FF760604000-memory.dmp

        memory/2056-122-0x00007FF7602B0000-0x00007FF760604000-memory.dmp

        memory/2056-143-0x00007FF7602B0000-0x00007FF760604000-memory.dmp

        memory/2196-94-0x00007FF7A9930000-0x00007FF7A9C84000-memory.dmp

        memory/2196-150-0x00007FF7A9930000-0x00007FF7A9C84000-memory.dmp

        memory/2252-142-0x00007FF7E8A80000-0x00007FF7E8DD4000-memory.dmp

        memory/2252-53-0x00007FF7E8A80000-0x00007FF7E8DD4000-memory.dmp

        memory/2404-124-0x00007FF668930000-0x00007FF668C84000-memory.dmp

        memory/2404-154-0x00007FF668930000-0x00007FF668C84000-memory.dmp

        memory/2468-0-0x00007FF742620000-0x00007FF742974000-memory.dmp

        memory/2468-1-0x00000225BC7F0000-0x00000225BC800000-memory.dmp

        memory/2468-82-0x00007FF742620000-0x00007FF742974000-memory.dmp

        memory/2588-85-0x00007FF71F5D0000-0x00007FF71F924000-memory.dmp

        memory/2588-148-0x00007FF71F5D0000-0x00007FF71F924000-memory.dmp

        memory/3784-133-0x00007FF6947C0000-0x00007FF694B14000-memory.dmp

        memory/3784-149-0x00007FF6947C0000-0x00007FF694B14000-memory.dmp

        memory/3784-88-0x00007FF6947C0000-0x00007FF694B14000-memory.dmp

        memory/4032-7-0x00007FF7D52F0000-0x00007FF7D5644000-memory.dmp

        memory/4032-136-0x00007FF7D52F0000-0x00007FF7D5644000-memory.dmp

        memory/4032-93-0x00007FF7D52F0000-0x00007FF7D5644000-memory.dmp

        memory/4072-153-0x00007FF7FF100000-0x00007FF7FF454000-memory.dmp

        memory/4072-115-0x00007FF7FF100000-0x00007FF7FF454000-memory.dmp

        memory/4168-14-0x00007FF734E10000-0x00007FF735164000-memory.dmp

        memory/4168-137-0x00007FF734E10000-0x00007FF735164000-memory.dmp

        memory/4404-68-0x00007FF608F00000-0x00007FF609254000-memory.dmp

        memory/4404-146-0x00007FF608F00000-0x00007FF609254000-memory.dmp

        memory/4968-62-0x00007FF6024F0000-0x00007FF602844000-memory.dmp

        memory/4968-145-0x00007FF6024F0000-0x00007FF602844000-memory.dmp

        memory/5004-138-0x00007FF6D2580000-0x00007FF6D28D4000-memory.dmp

        memory/5004-20-0x00007FF6D2580000-0x00007FF6D28D4000-memory.dmp

        memory/5008-59-0x00007FF77F910000-0x00007FF77FC64000-memory.dmp

        memory/5008-144-0x00007FF77F910000-0x00007FF77FC64000-memory.dmp

        memory/5008-127-0x00007FF77F910000-0x00007FF77FC64000-memory.dmp

        memory/5100-140-0x00007FF6729C0000-0x00007FF672D14000-memory.dmp

        memory/5100-39-0x00007FF6729C0000-0x00007FF672D14000-memory.dmp