Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 01:53

General

  • Target
    2024-05-27_f4132317beb8f4efb954ff525c88ebe3_cobalt-strike_cobaltstrike.exe
  • Size 5.2MB
  • Sample240527-cbcsxacb5v
  • SHA256 c743593ed751cd33e3cb494b5fc231caa6c48dbea8fcee3e7c235154763f73f4
  • 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 45 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\2024-05-27_f4132317beb8f4efb954ff525c88ebe3_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_f4132317beb8f4efb954ff525c88ebe3_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Windows\System\JqUYmwT.exe
      C:\Windows\System\JqUYmwT.exe
      2⤵
      • Executes dropped EXE
      PID:4064
    • C:\Windows\System\ksYeQFc.exe
      C:\Windows\System\ksYeQFc.exe
      2⤵
      • Executes dropped EXE
      PID:3572
    • C:\Windows\System\JiZPXLc.exe
      C:\Windows\System\JiZPXLc.exe
      2⤵
      • Executes dropped EXE
      PID:1076
    • C:\Windows\System\mlnzFag.exe
      C:\Windows\System\mlnzFag.exe
      2⤵
      • Executes dropped EXE
      PID:1244
    • C:\Windows\System\zDkcFel.exe
      C:\Windows\System\zDkcFel.exe
      2⤵
      • Executes dropped EXE
      PID:1232
    • C:\Windows\System\tXseasa.exe
      C:\Windows\System\tXseasa.exe
      2⤵
      • Executes dropped EXE
      PID:3152
    • C:\Windows\System\IgTHLap.exe
      C:\Windows\System\IgTHLap.exe
      2⤵
      • Executes dropped EXE
      PID:4948
    • C:\Windows\System\jaDySCV.exe
      C:\Windows\System\jaDySCV.exe
      2⤵
      • Executes dropped EXE
      PID:4704
    • C:\Windows\System\aIGkMWc.exe
      C:\Windows\System\aIGkMWc.exe
      2⤵
      • Executes dropped EXE
      PID:4136
    • C:\Windows\System\iPqokwF.exe
      C:\Windows\System\iPqokwF.exe
      2⤵
      • Executes dropped EXE
      PID:3160
    • C:\Windows\System\jvpjTSy.exe
      C:\Windows\System\jvpjTSy.exe
      2⤵
      • Executes dropped EXE
      PID:3576
    • C:\Windows\System\fbcgUAO.exe
      C:\Windows\System\fbcgUAO.exe
      2⤵
      • Executes dropped EXE
      PID:1368
    • C:\Windows\System\pvjfNGX.exe
      C:\Windows\System\pvjfNGX.exe
      2⤵
      • Executes dropped EXE
      PID:4484
    • C:\Windows\System\UqCxtYB.exe
      C:\Windows\System\UqCxtYB.exe
      2⤵
      • Executes dropped EXE
      PID:3460
    • C:\Windows\System\SSOIWxe.exe
      C:\Windows\System\SSOIWxe.exe
      2⤵
      • Executes dropped EXE
      PID:4192
    • C:\Windows\System\lxEhfeT.exe
      C:\Windows\System\lxEhfeT.exe
      2⤵
      • Executes dropped EXE
      PID:4420
    • C:\Windows\System\qPBsSAi.exe
      C:\Windows\System\qPBsSAi.exe
      2⤵
      • Executes dropped EXE
      PID:3684
    • C:\Windows\System\GqSTibB.exe
      C:\Windows\System\GqSTibB.exe
      2⤵
      • Executes dropped EXE
      PID:388
    • C:\Windows\System\jbPGvob.exe
      C:\Windows\System\jbPGvob.exe
      2⤵
      • Executes dropped EXE
      PID:4332
    • C:\Windows\System\iyvlIFw.exe
      C:\Windows\System\iyvlIFw.exe
      2⤵
      • Executes dropped EXE
      PID:1128
    • C:\Windows\System\VSxeorM.exe
      C:\Windows\System\VSxeorM.exe
      2⤵
      • Executes dropped EXE
      PID:4616

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        GqSTibB.exe

        • Path C:\Windows\System\GqSTibB.exe
        • Size 5.2MB
        • SHA256 3c8db31eaaa1e2034d42db5fc70de1e970d03406b77858938c297743fc4f029c
        • MD5 SHA1 SHA512 SSDEEP

        IgTHLap.exe

        • Path C:\Windows\System\IgTHLap.exe
        • Size 5.2MB
        • SHA256 00c9dfbb9a9fe54a70ca63f6bd27be27095a89fbd2731ac189755385fbdb37d2
        • MD5 SHA1 SHA512 SSDEEP

        JiZPXLc.exe

        • Path C:\Windows\System\JiZPXLc.exe
        • Size 5.2MB
        • SHA256 1e260c77683a2302e688e2bbe7b1c287288b1a8018ac29f3c9a3bf0c4304f3f4
        • MD5 SHA1 SHA512 SSDEEP

        JqUYmwT.exe

        • Path C:\Windows\System\JqUYmwT.exe
        • Size 5.2MB
        • SHA256 54c7e10cf9c84b325cc684862f82014f69cf70c77a741c53b25bdd0695a6f783
        • MD5 SHA1 SHA512 SSDEEP

        SSOIWxe.exe

        • Path C:\Windows\System\SSOIWxe.exe
        • Size 5.2MB
        • SHA256 cc6bf2ad7203e994aeaa134aaa77c48b7da966182099e04d850578d199f94536
        • MD5 SHA1 SHA512 SSDEEP

        UqCxtYB.exe

        • Path C:\Windows\System\UqCxtYB.exe
        • Size 5.2MB
        • SHA256 be9dc8883c9f60cd443f5b9f5f2ee683d0c32e6911d68d9a6a60c8849fe598dd
        • MD5 SHA1 SHA512 SSDEEP

        VSxeorM.exe

        • Path C:\Windows\System\VSxeorM.exe
        • Size 5.2MB
        • SHA256 666f2d7eb929d94a96908723413d44f5e1f7454c9f84e195dc9b93255cbfa009
        • MD5 SHA1 SHA512 SSDEEP

        aIGkMWc.exe

        • Path C:\Windows\System\aIGkMWc.exe
        • Size 5.2MB
        • SHA256 51e1359e38ac150212d8f3bf7ae5c8a0598a56516f365e09d13059722f7cc00d
        • MD5 SHA1 SHA512 SSDEEP

        fbcgUAO.exe

        • Path C:\Windows\System\fbcgUAO.exe
        • Size 5.2MB
        • SHA256 dda00193df0157e917cb1b0109307726dd0354960859ce1b2b546ca421c7b13e
        • MD5 SHA1 SHA512 SSDEEP

        iPqokwF.exe

        • Path C:\Windows\System\iPqokwF.exe
        • Size 5.2MB
        • SHA256 735a1859d5da5b4745fc725958f9302c4d47e3682943ed7593a2e00e9e3a245f
        • MD5 SHA1 SHA512 SSDEEP

        iyvlIFw.exe

        • Path C:\Windows\System\iyvlIFw.exe
        • Size 5.2MB
        • SHA256 ab74a55813dfde90b630c6867b08a71c0ef4bd9a354165aa7ab4d13ef4b6aace
        • MD5 SHA1 SHA512 SSDEEP

        jaDySCV.exe

        • Path C:\Windows\System\jaDySCV.exe
        • Size 5.2MB
        • SHA256 d5bd27f9ebf94182ff615bb4c86cbd41b7ab15ab931861b7d0870657e90c3eab
        • MD5 SHA1 SHA512 SSDEEP

        jbPGvob.exe

        • Path C:\Windows\System\jbPGvob.exe
        • Size 5.2MB
        • SHA256 eceda88da5fab1b689e67a3163483cdfc5daf209af674eb95d7562c06c3fe0dd
        • MD5 SHA1 SHA512 SSDEEP

        jvpjTSy.exe

        • Path C:\Windows\System\jvpjTSy.exe
        • Size 5.2MB
        • SHA256 fc37144a03dd07d10fbf6cfba45a98bc52d5d89c484a6909317ce1d9e4638174
        • MD5 SHA1 SHA512 SSDEEP

        ksYeQFc.exe

        • Path C:\Windows\System\ksYeQFc.exe
        • Size 5.2MB
        • SHA256 9158ac2303bbbf0cb3e79a7147e91d7ee51561d9c8160d0dc27a62f3f5645622
        • MD5 SHA1 SHA512 SSDEEP

        lxEhfeT.exe

        • Path C:\Windows\System\lxEhfeT.exe
        • Size 5.2MB
        • SHA256 3ab385cdf90832f2d94112e040527a9228b9d4331aeafef650f324e1c54441f3
        • MD5 SHA1 SHA512 SSDEEP

        mlnzFag.exe

        • Path C:\Windows\System\mlnzFag.exe
        • Size 5.2MB
        • SHA256 7b33c486be74efbe5b093af09ac757b04ff5d5970d02757bcd48d08e6562aed1
        • MD5 SHA1 SHA512 SSDEEP

        pvjfNGX.exe

        • Path C:\Windows\System\pvjfNGX.exe
        • Size 5.2MB
        • SHA256 e254c11178cabaed521c6e35d4e252e95bdd0c1c63d7d8650f9fc72543d03aef
        • MD5 SHA1 SHA512 SSDEEP

        qPBsSAi.exe

        • Path C:\Windows\System\qPBsSAi.exe
        • Size 5.2MB
        • SHA256 a0cb732748dd8757a783578236942d2132b4626fd1aa4563c760cf7e9d912c2b
        • MD5 SHA1 SHA512 SSDEEP

        tXseasa.exe

        • Path C:\Windows\System\tXseasa.exe
        • Size 5.2MB
        • SHA256 ac088253bfa382388078b09b3e22ab3d80bd0a1777b85299b271b02f262a5f48
        • MD5 SHA1 SHA512 SSDEEP

        zDkcFel.exe

        • Path C:\Windows\System\zDkcFel.exe
        • Size 5.2MB
        • SHA256 de2daea0ee1e886c07ce325bbefc0502ba1a8af2b6baf1838e40164692e9706d
        • MD5 SHA1 SHA512 SSDEEP

        memory/388-129-0x00007FF680990000-0x00007FF680CE1000-memory.dmp

        memory/388-168-0x00007FF680990000-0x00007FF680CE1000-memory.dmp

        memory/388-251-0x00007FF680990000-0x00007FF680CE1000-memory.dmp

        memory/1076-203-0x00007FF7E2230000-0x00007FF7E2581000-memory.dmp

        memory/1076-20-0x00007FF7E2230000-0x00007FF7E2581000-memory.dmp

        memory/1128-243-0x00007FF70B5E0000-0x00007FF70B931000-memory.dmp

        memory/1128-131-0x00007FF70B5E0000-0x00007FF70B931000-memory.dmp

        memory/1232-209-0x00007FF71A630000-0x00007FF71A981000-memory.dmp

        memory/1232-126-0x00007FF71A630000-0x00007FF71A981000-memory.dmp

        memory/1232-34-0x00007FF71A630000-0x00007FF71A981000-memory.dmp

        memory/1244-205-0x00007FF721A70000-0x00007FF721DC1000-memory.dmp

        memory/1244-125-0x00007FF721A70000-0x00007FF721DC1000-memory.dmp

        memory/1244-26-0x00007FF721A70000-0x00007FF721DC1000-memory.dmp

        memory/1368-220-0x00007FF685D90000-0x00007FF6860E1000-memory.dmp

        memory/1368-146-0x00007FF685D90000-0x00007FF6860E1000-memory.dmp

        memory/1368-76-0x00007FF685D90000-0x00007FF6860E1000-memory.dmp

        memory/3152-135-0x00007FF62E9C0000-0x00007FF62ED11000-memory.dmp

        memory/3152-213-0x00007FF62E9C0000-0x00007FF62ED11000-memory.dmp

        memory/3152-38-0x00007FF62E9C0000-0x00007FF62ED11000-memory.dmp

        memory/3160-222-0x00007FF73F010000-0x00007FF73F361000-memory.dmp

        memory/3160-144-0x00007FF73F010000-0x00007FF73F361000-memory.dmp

        memory/3160-59-0x00007FF73F010000-0x00007FF73F361000-memory.dmp

        memory/3460-148-0x00007FF72B770000-0x00007FF72BAC1000-memory.dmp

        memory/3460-225-0x00007FF72B770000-0x00007FF72BAC1000-memory.dmp

        memory/3460-84-0x00007FF72B770000-0x00007FF72BAC1000-memory.dmp

        memory/3572-201-0x00007FF771B80000-0x00007FF771ED1000-memory.dmp

        memory/3572-13-0x00007FF771B80000-0x00007FF771ED1000-memory.dmp

        memory/3572-97-0x00007FF771B80000-0x00007FF771ED1000-memory.dmp

        memory/3576-64-0x00007FF7EF8B0000-0x00007FF7EFC01000-memory.dmp

        memory/3576-223-0x00007FF7EF8B0000-0x00007FF7EFC01000-memory.dmp

        memory/3576-145-0x00007FF7EF8B0000-0x00007FF7EFC01000-memory.dmp

        memory/3644-77-0x00007FF65C700000-0x00007FF65CA51000-memory.dmp

        memory/3644-1-0x000002391E1C0000-0x000002391E1D0000-memory.dmp

        memory/3644-0-0x00007FF65C700000-0x00007FF65CA51000-memory.dmp

        memory/3644-172-0x00007FF65C700000-0x00007FF65CA51000-memory.dmp

        memory/3644-150-0x00007FF65C700000-0x00007FF65CA51000-memory.dmp

        memory/3684-112-0x00007FF69FC90000-0x00007FF69FFE1000-memory.dmp

        memory/3684-245-0x00007FF69FC90000-0x00007FF69FFE1000-memory.dmp

        memory/3684-167-0x00007FF69FC90000-0x00007FF69FFE1000-memory.dmp

        memory/4064-199-0x00007FF6E4050000-0x00007FF6E43A1000-memory.dmp

        memory/4064-81-0x00007FF6E4050000-0x00007FF6E43A1000-memory.dmp

        memory/4064-7-0x00007FF6E4050000-0x00007FF6E43A1000-memory.dmp

        memory/4136-143-0x00007FF6B42C0000-0x00007FF6B4611000-memory.dmp

        memory/4136-215-0x00007FF6B42C0000-0x00007FF6B4611000-memory.dmp

        memory/4136-70-0x00007FF6B42C0000-0x00007FF6B4611000-memory.dmp

        memory/4192-149-0x00007FF7115C0000-0x00007FF711911000-memory.dmp

        memory/4192-100-0x00007FF7115C0000-0x00007FF711911000-memory.dmp

        memory/4192-241-0x00007FF7115C0000-0x00007FF711911000-memory.dmp

        memory/4332-248-0x00007FF6C45F0000-0x00007FF6C4941000-memory.dmp

        memory/4332-130-0x00007FF6C45F0000-0x00007FF6C4941000-memory.dmp

        memory/4420-110-0x00007FF7A7E00000-0x00007FF7A8151000-memory.dmp

        memory/4420-249-0x00007FF7A7E00000-0x00007FF7A8151000-memory.dmp

        memory/4420-166-0x00007FF7A7E00000-0x00007FF7A8151000-memory.dmp

        memory/4484-218-0x00007FF70BF80000-0x00007FF70C2D1000-memory.dmp

        memory/4484-147-0x00007FF70BF80000-0x00007FF70C2D1000-memory.dmp

        memory/4484-80-0x00007FF70BF80000-0x00007FF70C2D1000-memory.dmp

        memory/4616-171-0x00007FF6E66F0000-0x00007FF6E6A41000-memory.dmp

        memory/4616-137-0x00007FF6E66F0000-0x00007FF6E6A41000-memory.dmp

        memory/4616-253-0x00007FF6E66F0000-0x00007FF6E6A41000-memory.dmp

        memory/4704-211-0x00007FF78CE30000-0x00007FF78D181000-memory.dmp

        memory/4704-53-0x00007FF78CE30000-0x00007FF78D181000-memory.dmp

        memory/4704-142-0x00007FF78CE30000-0x00007FF78D181000-memory.dmp

        memory/4948-47-0x00007FF688680000-0x00007FF6889D1000-memory.dmp

        memory/4948-207-0x00007FF688680000-0x00007FF6889D1000-memory.dmp

        memory/4948-141-0x00007FF688680000-0x00007FF6889D1000-memory.dmp