Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 17:44

General

  • Target
    2024-05-25_05eb69090ab56492cbda7141c2fc0af2_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240525-wbbqdscg22
  • SHA256 e6049dd2fdb3e511693946a9f4ed846d37f7153bcfb2fcd0af5a8f2c8200ecb0
  • 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_05eb69090ab56492cbda7141c2fc0af2_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_05eb69090ab56492cbda7141c2fc0af2_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Windows\System\KPYSLOG.exe
      C:\Windows\System\KPYSLOG.exe
      2⤵
      • Executes dropped EXE
      PID:3712
    • C:\Windows\System\ZTSBPeB.exe
      C:\Windows\System\ZTSBPeB.exe
      2⤵
      • Executes dropped EXE
      PID:1760
    • C:\Windows\System\aTcNact.exe
      C:\Windows\System\aTcNact.exe
      2⤵
      • Executes dropped EXE
      PID:2728
    • C:\Windows\System\ewGOyyH.exe
      C:\Windows\System\ewGOyyH.exe
      2⤵
      • Executes dropped EXE
      PID:2608
    • C:\Windows\System\STRPrSu.exe
      C:\Windows\System\STRPrSu.exe
      2⤵
      • Executes dropped EXE
      PID:2460
    • C:\Windows\System\DbDdvFt.exe
      C:\Windows\System\DbDdvFt.exe
      2⤵
      • Executes dropped EXE
      PID:3588
    • C:\Windows\System\YZUEQuP.exe
      C:\Windows\System\YZUEQuP.exe
      2⤵
      • Executes dropped EXE
      PID:1216
    • C:\Windows\System\ltLZOiQ.exe
      C:\Windows\System\ltLZOiQ.exe
      2⤵
      • Executes dropped EXE
      PID:3460
    • C:\Windows\System\lwFnVtg.exe
      C:\Windows\System\lwFnVtg.exe
      2⤵
      • Executes dropped EXE
      PID:2076
    • C:\Windows\System\jvmptxE.exe
      C:\Windows\System\jvmptxE.exe
      2⤵
      • Executes dropped EXE
      PID:2968
    • C:\Windows\System\sUgcstG.exe
      C:\Windows\System\sUgcstG.exe
      2⤵
      • Executes dropped EXE
      PID:1600
    • C:\Windows\System\rroBLvS.exe
      C:\Windows\System\rroBLvS.exe
      2⤵
      • Executes dropped EXE
      PID:4684
    • C:\Windows\System\iOPdiky.exe
      C:\Windows\System\iOPdiky.exe
      2⤵
      • Executes dropped EXE
      PID:4380
    • C:\Windows\System\vfHEuJX.exe
      C:\Windows\System\vfHEuJX.exe
      2⤵
      • Executes dropped EXE
      PID:1720
    • C:\Windows\System\vAgzruF.exe
      C:\Windows\System\vAgzruF.exe
      2⤵
      • Executes dropped EXE
      PID:1380
    • C:\Windows\System\YqYASWB.exe
      C:\Windows\System\YqYASWB.exe
      2⤵
      • Executes dropped EXE
      PID:3492
    • C:\Windows\System\riggQwy.exe
      C:\Windows\System\riggQwy.exe
      2⤵
      • Executes dropped EXE
      PID:5020
    • C:\Windows\System\tOScciS.exe
      C:\Windows\System\tOScciS.exe
      2⤵
      • Executes dropped EXE
      PID:1764
    • C:\Windows\System\RRModZR.exe
      C:\Windows\System\RRModZR.exe
      2⤵
      • Executes dropped EXE
      PID:3664
    • C:\Windows\System\mUncRkg.exe
      C:\Windows\System\mUncRkg.exe
      2⤵
      • Executes dropped EXE
      PID:3116
    • C:\Windows\System\cfzwcLQ.exe
      C:\Windows\System\cfzwcLQ.exe
      2⤵
      • Executes dropped EXE
      PID:1612

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DbDdvFt.exe

        • Path C:\Windows\System\DbDdvFt.exe
        • Size 5.9MB
        • SHA256 a3fc5650cfb0bb328f17a78db9ca70f4cb745b377bc1ff53d6ce5f8aa0eb4bbd
        • MD5 SHA1 SHA512 SSDEEP

        KPYSLOG.exe

        • Path C:\Windows\System\KPYSLOG.exe
        • Size 5.9MB
        • SHA256 7d6d3fb7ad76fd2f582cc195757ec36f8516de2997cfe84676dad12befc302a3
        • MD5 SHA1 SHA512 SSDEEP

        RRModZR.exe

        • Path C:\Windows\System\RRModZR.exe
        • Size 5.9MB
        • SHA256 bd5c228e70627a9eeed9cfe4431a52c8f11d7e9ad7ef8d9522c1d8b315425e5c
        • MD5 SHA1 SHA512 SSDEEP

        STRPrSu.exe

        • Path C:\Windows\System\STRPrSu.exe
        • Size 5.9MB
        • SHA256 b3b504840abf94dfed08b08dcc3c393c3a4363e3d32891c317da2e34877bff47
        • MD5 SHA1 SHA512 SSDEEP

        YZUEQuP.exe

        • Path C:\Windows\System\YZUEQuP.exe
        • Size 5.9MB
        • SHA256 73fbc1841aca211afcb891ae326fe6f73bcd68009557ee67508c3b471030c028
        • MD5 SHA1 SHA512 SSDEEP

        YqYASWB.exe

        • Path C:\Windows\System\YqYASWB.exe
        • Size 5.9MB
        • SHA256 c4311642d3739f6d6158d2376bd10f2c3d5bd61c3f28e02664d68a86a7cbb5d5
        • MD5 SHA1 SHA512 SSDEEP

        ZTSBPeB.exe

        • Path C:\Windows\System\ZTSBPeB.exe
        • Size 5.9MB
        • SHA256 10d54c5a55a6ecdfe44ee827eb8d31227ba8c18987e01a60935bc7d5c40a60f8
        • MD5 SHA1 SHA512 SSDEEP

        aTcNact.exe

        • Path C:\Windows\System\aTcNact.exe
        • Size 5.9MB
        • SHA256 534d68625980dd8fe3bae9af20f55b69fa719dfe2aa64aea444f820c90ecefe2
        • MD5 SHA1 SHA512 SSDEEP

        cfzwcLQ.exe

        • Path C:\Windows\System\cfzwcLQ.exe
        • Size 5.9MB
        • SHA256 770aa959bf463eb5c12be626fa3af5cc9217aa85d75f9eb9471f0e6ae2b7a799
        • MD5 SHA1 SHA512 SSDEEP

        ewGOyyH.exe

        • Path C:\Windows\System\ewGOyyH.exe
        • Size 5.9MB
        • SHA256 21949103157a56eeb77184e261ad04664e40d4befa3c5576891fa99168fc2c40
        • MD5 SHA1 SHA512 SSDEEP

        iOPdiky.exe

        • Path C:\Windows\System\iOPdiky.exe
        • Size 5.9MB
        • SHA256 a6178cd2e5385bf5e7010e9e0f82a3eaef69ac402c17370bf9b03c106ea26216
        • MD5 SHA1 SHA512 SSDEEP

        jvmptxE.exe

        • Path C:\Windows\System\jvmptxE.exe
        • Size 5.9MB
        • SHA256 604ddfb9de219874dec9b57ed0b54a21af57510ff898c5f7cccdf795093a8cee
        • MD5 SHA1 SHA512 SSDEEP

        ltLZOiQ.exe

        • Path C:\Windows\System\ltLZOiQ.exe
        • Size 5.9MB
        • SHA256 970396282ee46efaf86a5f090e86a8dac6794b61186a9701f8ee0519bdaaa12c
        • MD5 SHA1 SHA512 SSDEEP

        lwFnVtg.exe

        • Path C:\Windows\System\lwFnVtg.exe
        • Size 5.9MB
        • SHA256 3a1033272c9f7e1e070629c8a1d3890e9765e5568c0da2e6ec1c94d6a90f011b
        • MD5 SHA1 SHA512 SSDEEP

        mUncRkg.exe

        • Path C:\Windows\System\mUncRkg.exe
        • Size 5.9MB
        • SHA256 ca2886bb837ae2284a965e4d57cee0d197f6adf6f1f0bdff33eaf972a79e8e76
        • MD5 SHA1 SHA512 SSDEEP

        riggQwy.exe

        • Path C:\Windows\System\riggQwy.exe
        • Size 5.9MB
        • SHA256 426527999a7cd3179ec819c768aede0d63a5c3f17bcbdf27f521de308c49ad77
        • MD5 SHA1 SHA512 SSDEEP

        rroBLvS.exe

        • Path C:\Windows\System\rroBLvS.exe
        • Size 5.9MB
        • SHA256 00305d203bc4bfd6fa1293bbce22946720649fc097ac65661f929a057c133b9d
        • MD5 SHA1 SHA512 SSDEEP

        sUgcstG.exe

        • Path C:\Windows\System\sUgcstG.exe
        • Size 5.9MB
        • SHA256 db3d8ee3f0605dfe15222ce0e84faf0999be7fdd07a89cf0449e94f6d33de81c
        • MD5 SHA1 SHA512 SSDEEP

        tOScciS.exe

        • Path C:\Windows\System\tOScciS.exe
        • Size 5.9MB
        • SHA256 d71c96c9025c3fff589e69a0ad2f9670fd08fc2ffea2d66fd068031fcae5a570
        • MD5 SHA1 SHA512 SSDEEP

        vAgzruF.exe

        • Path C:\Windows\System\vAgzruF.exe
        • Size 5.9MB
        • SHA256 6f49245a73f43f3b498139634998e1c3f9baaaba00590e17101299cf5f390434
        • MD5 SHA1 SHA512 SSDEEP

        vfHEuJX.exe

        • Path C:\Windows\System\vfHEuJX.exe
        • Size 5.9MB
        • SHA256 df500db562f1fdf74f292b7bd418205c249c81c63aaf714c7fc600ce9f597636
        • MD5 SHA1 SHA512 SSDEEP

        memory/1192-0-0x00007FF734AE0000-0x00007FF734E34000-memory.dmp

        memory/1192-74-0x00007FF734AE0000-0x00007FF734E34000-memory.dmp

        memory/1192-1-0x00000233BBDD0000-0x00000233BBDE0000-memory.dmp

        memory/1216-144-0x00007FF604070000-0x00007FF6043C4000-memory.dmp

        memory/1216-43-0x00007FF604070000-0x00007FF6043C4000-memory.dmp

        memory/1216-115-0x00007FF604070000-0x00007FF6043C4000-memory.dmp

        memory/1380-152-0x00007FF72F7B0000-0x00007FF72FB04000-memory.dmp

        memory/1380-100-0x00007FF72F7B0000-0x00007FF72FB04000-memory.dmp

        memory/1600-148-0x00007FF6C93E0000-0x00007FF6C9734000-memory.dmp

        memory/1600-70-0x00007FF6C93E0000-0x00007FF6C9734000-memory.dmp

        memory/1612-158-0x00007FF67F760000-0x00007FF67FAB4000-memory.dmp

        memory/1612-137-0x00007FF67F760000-0x00007FF67FAB4000-memory.dmp

        memory/1612-136-0x00007FF67F760000-0x00007FF67FAB4000-memory.dmp

        memory/1720-91-0x00007FF6D3DF0000-0x00007FF6D4144000-memory.dmp

        memory/1720-151-0x00007FF6D3DF0000-0x00007FF6D4144000-memory.dmp

        memory/1760-139-0x00007FF7128B0000-0x00007FF712C04000-memory.dmp

        memory/1760-19-0x00007FF7128B0000-0x00007FF712C04000-memory.dmp

        memory/1760-82-0x00007FF7128B0000-0x00007FF712C04000-memory.dmp

        memory/1764-121-0x00007FF7E9690000-0x00007FF7E99E4000-memory.dmp

        memory/1764-155-0x00007FF7E9690000-0x00007FF7E99E4000-memory.dmp

        memory/2076-146-0x00007FF64F830000-0x00007FF64FB84000-memory.dmp

        memory/2076-129-0x00007FF64F830000-0x00007FF64FB84000-memory.dmp

        memory/2076-54-0x00007FF64F830000-0x00007FF64FB84000-memory.dmp

        memory/2460-38-0x00007FF75BB90000-0x00007FF75BEE4000-memory.dmp

        memory/2460-141-0x00007FF75BB90000-0x00007FF75BEE4000-memory.dmp

        memory/2608-23-0x00007FF6AEB70000-0x00007FF6AEEC4000-memory.dmp

        memory/2608-142-0x00007FF6AEB70000-0x00007FF6AEEC4000-memory.dmp

        memory/2608-107-0x00007FF6AEB70000-0x00007FF6AEEC4000-memory.dmp

        memory/2728-20-0x00007FF69E5F0000-0x00007FF69E944000-memory.dmp

        memory/2728-140-0x00007FF69E5F0000-0x00007FF69E944000-memory.dmp

        memory/2968-63-0x00007FF7283D0000-0x00007FF728724000-memory.dmp

        memory/2968-134-0x00007FF7283D0000-0x00007FF728724000-memory.dmp

        memory/2968-147-0x00007FF7283D0000-0x00007FF728724000-memory.dmp

        memory/3116-130-0x00007FF672FB0000-0x00007FF673304000-memory.dmp

        memory/3116-157-0x00007FF672FB0000-0x00007FF673304000-memory.dmp

        memory/3460-48-0x00007FF7C1EE0000-0x00007FF7C2234000-memory.dmp

        memory/3460-122-0x00007FF7C1EE0000-0x00007FF7C2234000-memory.dmp

        memory/3460-145-0x00007FF7C1EE0000-0x00007FF7C2234000-memory.dmp

        memory/3492-102-0x00007FF600C30000-0x00007FF600F84000-memory.dmp

        memory/3492-153-0x00007FF600C30000-0x00007FF600F84000-memory.dmp

        memory/3588-143-0x00007FF6FCF00000-0x00007FF6FD254000-memory.dmp

        memory/3588-40-0x00007FF6FCF00000-0x00007FF6FD254000-memory.dmp

        memory/3588-114-0x00007FF6FCF00000-0x00007FF6FD254000-memory.dmp

        memory/3664-156-0x00007FF700D20000-0x00007FF701074000-memory.dmp

        memory/3664-128-0x00007FF700D20000-0x00007FF701074000-memory.dmp

        memory/3712-81-0x00007FF688620000-0x00007FF688974000-memory.dmp

        memory/3712-138-0x00007FF688620000-0x00007FF688974000-memory.dmp

        memory/3712-6-0x00007FF688620000-0x00007FF688974000-memory.dmp

        memory/4380-90-0x00007FF62B710000-0x00007FF62BA64000-memory.dmp

        memory/4380-150-0x00007FF62B710000-0x00007FF62BA64000-memory.dmp

        memory/4684-149-0x00007FF7BCAE0000-0x00007FF7BCE34000-memory.dmp

        memory/4684-76-0x00007FF7BCAE0000-0x00007FF7BCE34000-memory.dmp

        memory/5020-109-0x00007FF638960000-0x00007FF638CB4000-memory.dmp

        memory/5020-154-0x00007FF638960000-0x00007FF638CB4000-memory.dmp