Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 10:41

General

  • Target
    2024-05-25_7ba6a90d41de9e937268126745a60c8b_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240525-mrfjvaec89
  • SHA256 590fcf47be35f5255ea17ff08ea21a6f6e424b6d2412bea845c49190b66a8735
  • 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_7ba6a90d41de9e937268126745a60c8b_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_7ba6a90d41de9e937268126745a60c8b_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3136
    • C:\Windows\System\qTjsapv.exe
      C:\Windows\System\qTjsapv.exe
      2⤵
      • Executes dropped EXE
      PID:800
    • C:\Windows\System\XCZPCqN.exe
      C:\Windows\System\XCZPCqN.exe
      2⤵
      • Executes dropped EXE
      PID:5244
    • C:\Windows\System\MKlmzZL.exe
      C:\Windows\System\MKlmzZL.exe
      2⤵
      • Executes dropped EXE
      PID:5276
    • C:\Windows\System\hzNASGa.exe
      C:\Windows\System\hzNASGa.exe
      2⤵
      • Executes dropped EXE
      PID:1220
    • C:\Windows\System\fWfwgjd.exe
      C:\Windows\System\fWfwgjd.exe
      2⤵
      • Executes dropped EXE
      PID:3156
    • C:\Windows\System\deidxrF.exe
      C:\Windows\System\deidxrF.exe
      2⤵
      • Executes dropped EXE
      PID:1852
    • C:\Windows\System\kdXpPnw.exe
      C:\Windows\System\kdXpPnw.exe
      2⤵
      • Executes dropped EXE
      PID:4852
    • C:\Windows\System\sheeBpi.exe
      C:\Windows\System\sheeBpi.exe
      2⤵
      • Executes dropped EXE
      PID:4600
    • C:\Windows\System\FrOpbJO.exe
      C:\Windows\System\FrOpbJO.exe
      2⤵
      • Executes dropped EXE
      PID:6088
    • C:\Windows\System\CNkTcZP.exe
      C:\Windows\System\CNkTcZP.exe
      2⤵
      • Executes dropped EXE
      PID:3188
    • C:\Windows\System\dZqryPN.exe
      C:\Windows\System\dZqryPN.exe
      2⤵
      • Executes dropped EXE
      PID:2044
    • C:\Windows\System\UefWiUX.exe
      C:\Windows\System\UefWiUX.exe
      2⤵
      • Executes dropped EXE
      PID:5084
    • C:\Windows\System\CnlPCjd.exe
      C:\Windows\System\CnlPCjd.exe
      2⤵
      • Executes dropped EXE
      PID:3684
    • C:\Windows\System\TppEBCc.exe
      C:\Windows\System\TppEBCc.exe
      2⤵
      • Executes dropped EXE
      PID:4532
    • C:\Windows\System\aecfLJv.exe
      C:\Windows\System\aecfLJv.exe
      2⤵
      • Executes dropped EXE
      PID:4452
    • C:\Windows\System\yGovsMg.exe
      C:\Windows\System\yGovsMg.exe
      2⤵
      • Executes dropped EXE
      PID:3880
    • C:\Windows\System\IMqEcOL.exe
      C:\Windows\System\IMqEcOL.exe
      2⤵
      • Executes dropped EXE
      PID:3468
    • C:\Windows\System\HYtxXbQ.exe
      C:\Windows\System\HYtxXbQ.exe
      2⤵
      • Executes dropped EXE
      PID:4192
    • C:\Windows\System\yvLlOZR.exe
      C:\Windows\System\yvLlOZR.exe
      2⤵
      • Executes dropped EXE
      PID:2724
    • C:\Windows\System\PWCYBJn.exe
      C:\Windows\System\PWCYBJn.exe
      2⤵
      • Executes dropped EXE
      PID:1844
    • C:\Windows\System\qFUiMDf.exe
      C:\Windows\System\qFUiMDf.exe
      2⤵
      • Executes dropped EXE
      PID:3472

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CNkTcZP.exe

        • Path C:\Windows\System\CNkTcZP.exe
        • Size 5.9MB
        • SHA256 c3042036ece14c214f11ab3e879ec0cc75a581fb5cf3794b6d506183f9323c0c
        • MD5 SHA1 SHA512 SSDEEP

        CnlPCjd.exe

        • Path C:\Windows\System\CnlPCjd.exe
        • Size 5.9MB
        • SHA256 2b042521036c6a065e2114ae216c377fc421726c88c5715d097aa677ef4e1b8a
        • MD5 SHA1 SHA512 SSDEEP

        FrOpbJO.exe

        • Path C:\Windows\System\FrOpbJO.exe
        • Size 5.9MB
        • SHA256 896b1fd724caabe840d80d70d8eb409738139b4825690f813c03258ab43b4d99
        • MD5 SHA1 SHA512 SSDEEP

        HYtxXbQ.exe

        • Path C:\Windows\System\HYtxXbQ.exe
        • Size 5.9MB
        • SHA256 224d48b1cea8bec361da4571e6559fcc9f193db19730ba822220caa05b7b8cd8
        • MD5 SHA1 SHA512 SSDEEP

        IMqEcOL.exe

        • Path C:\Windows\System\IMqEcOL.exe
        • Size 5.9MB
        • SHA256 129ee6c5892d0933503604a472477e8493d218e0f59b953e860362cb16fb856e
        • MD5 SHA1 SHA512 SSDEEP

        MKlmzZL.exe

        • Path C:\Windows\System\MKlmzZL.exe
        • Size 5.9MB
        • SHA256 1058185b30b2cac998ce9f7e26331dbc214bc3e622a9a6e3299ccdb6e4d8c172
        • MD5 SHA1 SHA512 SSDEEP

        PWCYBJn.exe

        • Path C:\Windows\System\PWCYBJn.exe
        • Size 5.9MB
        • SHA256 f6f962b32479af75211008495923c80f72650ce85c94e0c94d1e7b857b0a4197
        • MD5 SHA1 SHA512 SSDEEP

        TppEBCc.exe

        • Path C:\Windows\System\TppEBCc.exe
        • Size 5.9MB
        • SHA256 0aab11b91d989796b85a59c5900a78b790adc8cbf3cfebd4202b29b558307933
        • MD5 SHA1 SHA512 SSDEEP

        UefWiUX.exe

        • Path C:\Windows\System\UefWiUX.exe
        • Size 5.9MB
        • SHA256 c5c319ae3d0be4404e01ef85d84092225bdc1afbfa03df54e8bc84c68f61c6eb
        • MD5 SHA1 SHA512 SSDEEP

        XCZPCqN.exe

        • Path C:\Windows\System\XCZPCqN.exe
        • Size 5.9MB
        • SHA256 04e706ff8eec193e865468734db507d962c4a412cfbd3dc3fa77f0d655b55092
        • MD5 SHA1 SHA512 SSDEEP

        aecfLJv.exe

        • Path C:\Windows\System\aecfLJv.exe
        • Size 5.9MB
        • SHA256 1d7a80c9f01517cd79b182e767a65a1c4252e8abf3fc4c22a172079045c22905
        • MD5 SHA1 SHA512 SSDEEP

        dZqryPN.exe

        • Path C:\Windows\System\dZqryPN.exe
        • Size 5.9MB
        • SHA256 2cfa75454314e5be64250c36a911ec55993bceb36b414fe5f818c5955fb0bb61
        • MD5 SHA1 SHA512 SSDEEP

        deidxrF.exe

        • Path C:\Windows\System\deidxrF.exe
        • Size 5.9MB
        • SHA256 0912aec9d0b2bda94f10818ab878c694ad1c73228fb2e7eba39ad559cbacb54f
        • MD5 SHA1 SHA512 SSDEEP

        fWfwgjd.exe

        • Path C:\Windows\System\fWfwgjd.exe
        • Size 5.9MB
        • SHA256 2a88bdf9236b65c4c5ecc8bb051332a3364274e88bd537a2c7da3412272f2556
        • MD5 SHA1 SHA512 SSDEEP

        hzNASGa.exe

        • Path C:\Windows\System\hzNASGa.exe
        • Size 5.9MB
        • SHA256 63907ab517a50e45961a24c13030a9340d3c9d9c25595a5a8b35b7c786a91c30
        • MD5 SHA1 SHA512 SSDEEP

        kdXpPnw.exe

        • Path C:\Windows\System\kdXpPnw.exe
        • Size 5.9MB
        • SHA256 6599ed84099fbef51dfe19283d6bf325a12cb8d4b0205ddae3e8328178b4e4db
        • MD5 SHA1 SHA512 SSDEEP

        qFUiMDf.exe

        • Path C:\Windows\System\qFUiMDf.exe
        • Size 5.9MB
        • SHA256 3f42b27b452de6bc0b427c6221231729a08171c6f25b4fdc5fb0aba41001e9a8
        • MD5 SHA1 SHA512 SSDEEP

        qTjsapv.exe

        • Path C:\Windows\System\qTjsapv.exe
        • Size 5.9MB
        • SHA256 357378e36394f7b34a0077768e48c30b276dc9733993c3f62a0e76ffa6542fec
        • MD5 SHA1 SHA512 SSDEEP

        sheeBpi.exe

        • Path C:\Windows\System\sheeBpi.exe
        • Size 5.9MB
        • SHA256 34320018febcf2f724072f185cfcdcd2a42560d7d045f118d5d03d32cc814789
        • MD5 SHA1 SHA512 SSDEEP

        yGovsMg.exe

        • Path C:\Windows\System\yGovsMg.exe
        • Size 5.9MB
        • SHA256 a36233889e62052e9bde7442a473f530970667f17047e17c8f510aa39516950f
        • MD5 SHA1 SHA512 SSDEEP

        yvLlOZR.exe

        • Path C:\Windows\System\yvLlOZR.exe
        • Size 5.9MB
        • SHA256 994beb1c2d8993412b86549aa7b018976921a2c614dc952116f66fa3283dec05
        • MD5 SHA1 SHA512 SSDEEP

        memory/800-140-0x00007FF6FB8D0000-0x00007FF6FBC24000-memory.dmp

        memory/800-8-0x00007FF6FB8D0000-0x00007FF6FBC24000-memory.dmp

        memory/1220-143-0x00007FF62BF60000-0x00007FF62C2B4000-memory.dmp

        memory/1220-131-0x00007FF62BF60000-0x00007FF62C2B4000-memory.dmp

        memory/1220-32-0x00007FF62BF60000-0x00007FF62C2B4000-memory.dmp

        memory/1844-129-0x00007FF666F60000-0x00007FF6672B4000-memory.dmp

        memory/1844-159-0x00007FF666F60000-0x00007FF6672B4000-memory.dmp

        memory/1852-134-0x00007FF72ABC0000-0x00007FF72AF14000-memory.dmp

        memory/1852-145-0x00007FF72ABC0000-0x00007FF72AF14000-memory.dmp

        memory/1852-39-0x00007FF72ABC0000-0x00007FF72AF14000-memory.dmp

        memory/2044-76-0x00007FF7B9100000-0x00007FF7B9454000-memory.dmp

        memory/2044-149-0x00007FF7B9100000-0x00007FF7B9454000-memory.dmp

        memory/2724-158-0x00007FF667160000-0x00007FF6674B4000-memory.dmp

        memory/2724-139-0x00007FF667160000-0x00007FF6674B4000-memory.dmp

        memory/2724-115-0x00007FF667160000-0x00007FF6674B4000-memory.dmp

        memory/3136-0-0x00007FF6D2DB0000-0x00007FF6D3104000-memory.dmp

        memory/3136-92-0x00007FF6D2DB0000-0x00007FF6D3104000-memory.dmp

        memory/3136-1-0x000002074D650000-0x000002074D660000-memory.dmp

        memory/3156-144-0x00007FF69C140000-0x00007FF69C494000-memory.dmp

        memory/3156-35-0x00007FF69C140000-0x00007FF69C494000-memory.dmp

        memory/3156-132-0x00007FF69C140000-0x00007FF69C494000-memory.dmp

        memory/3188-150-0x00007FF6568A0000-0x00007FF656BF4000-memory.dmp

        memory/3188-137-0x00007FF6568A0000-0x00007FF656BF4000-memory.dmp

        memory/3188-70-0x00007FF6568A0000-0x00007FF656BF4000-memory.dmp

        memory/3468-111-0x00007FF7B9E50000-0x00007FF7BA1A4000-memory.dmp

        memory/3468-156-0x00007FF7B9E50000-0x00007FF7BA1A4000-memory.dmp

        memory/3472-130-0x00007FF649DD0000-0x00007FF64A124000-memory.dmp

        memory/3472-160-0x00007FF649DD0000-0x00007FF64A124000-memory.dmp

        memory/3684-151-0x00007FF702C10000-0x00007FF702F64000-memory.dmp

        memory/3684-77-0x00007FF702C10000-0x00007FF702F64000-memory.dmp

        memory/3684-138-0x00007FF702C10000-0x00007FF702F64000-memory.dmp

        memory/3880-155-0x00007FF6F74C0000-0x00007FF6F7814000-memory.dmp

        memory/3880-114-0x00007FF6F74C0000-0x00007FF6F7814000-memory.dmp

        memory/4192-113-0x00007FF621F30000-0x00007FF622284000-memory.dmp

        memory/4192-157-0x00007FF621F30000-0x00007FF622284000-memory.dmp

        memory/4452-154-0x00007FF7DDA10000-0x00007FF7DDD64000-memory.dmp

        memory/4452-109-0x00007FF7DDA10000-0x00007FF7DDD64000-memory.dmp

        memory/4532-153-0x00007FF7D3240000-0x00007FF7D3594000-memory.dmp

        memory/4532-86-0x00007FF7D3240000-0x00007FF7D3594000-memory.dmp

        memory/4600-136-0x00007FF67B040000-0x00007FF67B394000-memory.dmp

        memory/4600-67-0x00007FF67B040000-0x00007FF67B394000-memory.dmp

        memory/4600-146-0x00007FF67B040000-0x00007FF67B394000-memory.dmp

        memory/4852-152-0x00007FF6A68F0000-0x00007FF6A6C44000-memory.dmp

        memory/4852-44-0x00007FF6A68F0000-0x00007FF6A6C44000-memory.dmp

        memory/4852-133-0x00007FF6A68F0000-0x00007FF6A6C44000-memory.dmp

        memory/5084-71-0x00007FF7C61D0000-0x00007FF7C6524000-memory.dmp

        memory/5084-148-0x00007FF7C61D0000-0x00007FF7C6524000-memory.dmp

        memory/5244-141-0x00007FF62FEC0000-0x00007FF630214000-memory.dmp

        memory/5244-127-0x00007FF62FEC0000-0x00007FF630214000-memory.dmp

        memory/5244-14-0x00007FF62FEC0000-0x00007FF630214000-memory.dmp

        memory/5276-128-0x00007FF7F2640000-0x00007FF7F2994000-memory.dmp

        memory/5276-142-0x00007FF7F2640000-0x00007FF7F2994000-memory.dmp

        memory/5276-25-0x00007FF7F2640000-0x00007FF7F2994000-memory.dmp

        memory/6088-135-0x00007FF66A880000-0x00007FF66ABD4000-memory.dmp

        memory/6088-53-0x00007FF66A880000-0x00007FF66ABD4000-memory.dmp

        memory/6088-147-0x00007FF66A880000-0x00007FF66ABD4000-memory.dmp