Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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, 14:31

General

  • Target
    2024-06-03_74fa4f0e9a4a8c4c2c0fd588da519191_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240603-rvpddaah28
  • SHA256 6c1bfc8b59ee100a76df5af4e5664817a80cae59bc7d1a2185514cac304e0423
  • 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_74fa4f0e9a4a8c4c2c0fd588da519191_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-03_74fa4f0e9a4a8c4c2c0fd588da519191_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Windows\System\GVVSIuo.exe
      C:\Windows\System\GVVSIuo.exe
      2⤵
      • Executes dropped EXE
      PID:1500
    • C:\Windows\System\tHkCpPH.exe
      C:\Windows\System\tHkCpPH.exe
      2⤵
      • Executes dropped EXE
      PID:3512
    • C:\Windows\System\zaBqKcf.exe
      C:\Windows\System\zaBqKcf.exe
      2⤵
      • Executes dropped EXE
      PID:1920
    • C:\Windows\System\ILDsgTM.exe
      C:\Windows\System\ILDsgTM.exe
      2⤵
      • Executes dropped EXE
      PID:832
    • C:\Windows\System\aOCEnzU.exe
      C:\Windows\System\aOCEnzU.exe
      2⤵
      • Executes dropped EXE
      PID:3176
    • C:\Windows\System\UvqwouN.exe
      C:\Windows\System\UvqwouN.exe
      2⤵
      • Executes dropped EXE
      PID:4632
    • C:\Windows\System\HRFZeFx.exe
      C:\Windows\System\HRFZeFx.exe
      2⤵
      • Executes dropped EXE
      PID:2612
    • C:\Windows\System\UVQRxht.exe
      C:\Windows\System\UVQRxht.exe
      2⤵
      • Executes dropped EXE
      PID:2228
    • C:\Windows\System\rlPHoHl.exe
      C:\Windows\System\rlPHoHl.exe
      2⤵
      • Executes dropped EXE
      PID:1380
    • C:\Windows\System\pkHiTvZ.exe
      C:\Windows\System\pkHiTvZ.exe
      2⤵
      • Executes dropped EXE
      PID:1784
    • C:\Windows\System\cOxdrxD.exe
      C:\Windows\System\cOxdrxD.exe
      2⤵
      • Executes dropped EXE
      PID:1324
    • C:\Windows\System\mkLnuyj.exe
      C:\Windows\System\mkLnuyj.exe
      2⤵
      • Executes dropped EXE
      PID:3876
    • C:\Windows\System\cMXSwDu.exe
      C:\Windows\System\cMXSwDu.exe
      2⤵
      • Executes dropped EXE
      PID:5004
    • C:\Windows\System\uAbMHvZ.exe
      C:\Windows\System\uAbMHvZ.exe
      2⤵
      • Executes dropped EXE
      PID:1508
    • C:\Windows\System\zfyIYIO.exe
      C:\Windows\System\zfyIYIO.exe
      2⤵
      • Executes dropped EXE
      PID:4148
    • C:\Windows\System\IRqDATp.exe
      C:\Windows\System\IRqDATp.exe
      2⤵
      • Executes dropped EXE
      PID:2300
    • C:\Windows\System\DJehAzL.exe
      C:\Windows\System\DJehAzL.exe
      2⤵
      • Executes dropped EXE
      PID:2196
    • C:\Windows\System\ugnoXog.exe
      C:\Windows\System\ugnoXog.exe
      2⤵
      • Executes dropped EXE
      PID:1116
    • C:\Windows\System\zrmHnMY.exe
      C:\Windows\System\zrmHnMY.exe
      2⤵
      • Executes dropped EXE
      PID:4488
    • C:\Windows\System\htNlRfe.exe
      C:\Windows\System\htNlRfe.exe
      2⤵
      • Executes dropped EXE
      PID:744
    • C:\Windows\System\IoyVRaF.exe
      C:\Windows\System\IoyVRaF.exe
      2⤵
      • Executes dropped EXE
      PID:2524

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DJehAzL.exe

        • Path C:\Windows\System\DJehAzL.exe
        • Size 5.9MB
        • SHA256 280d5f9e7074bf42ff70b27bec3ce84743d86e3150bf191b4c28ea760fddf325
        • MD5 SHA1 SHA512 SSDEEP

        GVVSIuo.exe

        • Path C:\Windows\System\GVVSIuo.exe
        • Size 5.9MB
        • SHA256 c21d7c33c1fa48f234c6a60d60340f47765229fec85a391e63a02956e5377ec6
        • MD5 SHA1 SHA512 SSDEEP

        HRFZeFx.exe

        • Path C:\Windows\System\HRFZeFx.exe
        • Size 5.9MB
        • SHA256 59f39755d591eee63c7ab43b4a4c9fbd730b1833bddeb688cf559e9d7aeca57b
        • MD5 SHA1 SHA512 SSDEEP

        ILDsgTM.exe

        • Path C:\Windows\System\ILDsgTM.exe
        • Size 5.9MB
        • SHA256 801a07178e971b9934a387f0e3b0278e86c33e4516751c4a3c33bda1f22eb594
        • MD5 SHA1 SHA512 SSDEEP

        IRqDATp.exe

        • Path C:\Windows\System\IRqDATp.exe
        • Size 5.9MB
        • SHA256 9eafa386056aab8c052f48452ef5841652e43c9664a8d6b8d3298225873a3e93
        • MD5 SHA1 SHA512 SSDEEP

        IoyVRaF.exe

        • Path C:\Windows\System\IoyVRaF.exe
        • Size 5.9MB
        • SHA256 214409ffc177989ef56de7eda2e7d0177233daa98a5a2ea7441fd0fca0bd8ad9
        • MD5 SHA1 SHA512 SSDEEP

        UVQRxht.exe

        • Path C:\Windows\System\UVQRxht.exe
        • Size 5.9MB
        • SHA256 bd8e14beb87328e109fd9891f3ded6a42cd5f873c417d469faeda4571fd75d54
        • MD5 SHA1 SHA512 SSDEEP

        UvqwouN.exe

        • Path C:\Windows\System\UvqwouN.exe
        • Size 5.9MB
        • SHA256 21efb65c97610de4c7421d295393716898a6ef4811d2e6ead178c401ac36e153
        • MD5 SHA1 SHA512 SSDEEP

        aOCEnzU.exe

        • Path C:\Windows\System\aOCEnzU.exe
        • Size 5.9MB
        • SHA256 69b981809deef1fab6f3e92f0371b0cd52824a45d759c93674e94eb33e1fede9
        • MD5 SHA1 SHA512 SSDEEP

        cMXSwDu.exe

        • Path C:\Windows\System\cMXSwDu.exe
        • Size 5.9MB
        • SHA256 eba5e0f9ee7813e328ab1747e331d2e92dfecb4515edfb3746a8fa74daa3d00e
        • MD5 SHA1 SHA512 SSDEEP

        cOxdrxD.exe

        • Path C:\Windows\System\cOxdrxD.exe
        • Size 5.9MB
        • SHA256 10dd6255ea1abd06d169d7e508c5a18b0e924497c8f589f2737358bc5c9bc1dd
        • MD5 SHA1 SHA512 SSDEEP

        htNlRfe.exe

        • Path C:\Windows\System\htNlRfe.exe
        • Size 5.9MB
        • SHA256 f8f7e1cb31f813e2b5230864d2f0cc822a69bb8b31ff849c9d767e6c6d038de9
        • MD5 SHA1 SHA512 SSDEEP

        mkLnuyj.exe

        • Path C:\Windows\System\mkLnuyj.exe
        • Size 5.9MB
        • SHA256 27d4a4d872b2cfec0476e34dbc04035902980b8d352ac4acfecf8eb6c6c2e500
        • MD5 SHA1 SHA512 SSDEEP

        pkHiTvZ.exe

        • Path C:\Windows\System\pkHiTvZ.exe
        • Size 5.9MB
        • SHA256 af35baf8597bdbd290b09f6652ddf3997878774f3d36ee462b2505581b53df1d
        • MD5 SHA1 SHA512 SSDEEP

        rlPHoHl.exe

        • Path C:\Windows\System\rlPHoHl.exe
        • Size 5.9MB
        • SHA256 2fe3d16d7a66c1dc01e017674f74ca9f1f237e42264ad82fd69feba663de637a
        • MD5 SHA1 SHA512 SSDEEP

        tHkCpPH.exe

        • Path C:\Windows\System\tHkCpPH.exe
        • Size 5.9MB
        • SHA256 2e5535cc17ec1fe8080366d76ca2b10449b2c6f274f7091aed11a235ec9589b4
        • MD5 SHA1 SHA512 SSDEEP

        uAbMHvZ.exe

        • Path C:\Windows\System\uAbMHvZ.exe
        • Size 5.9MB
        • SHA256 231c0b96e424c518731699803321bb8f373a76fc10e9e2d0a41f918f36776eb2
        • MD5 SHA1 SHA512 SSDEEP

        ugnoXog.exe

        • Path C:\Windows\System\ugnoXog.exe
        • Size 5.9MB
        • SHA256 583def3c79fc9a292d769591e7a3100d4674de8ea5f07ca28a302d8e5ef8dc0f
        • MD5 SHA1 SHA512 SSDEEP

        zaBqKcf.exe

        • Path C:\Windows\System\zaBqKcf.exe
        • Size 5.9MB
        • SHA256 c37baf3469b3926ad19f9061193b355baeb5de74f407013ac51c0ad037f128a6
        • MD5 SHA1 SHA512 SSDEEP

        zfyIYIO.exe

        • Path C:\Windows\System\zfyIYIO.exe
        • Size 5.9MB
        • SHA256 a00573b0606acf2d86e539e53a823535eff231ce8a08000d149d2ea55b7b14cd
        • MD5 SHA1 SHA512 SSDEEP

        zrmHnMY.exe

        • Path C:\Windows\System\zrmHnMY.exe
        • Size 5.9MB
        • SHA256 c314f173db5830827e85246e221b0aa3b0755439977af1c2aff8017a1970bbaa
        • MD5 SHA1 SHA512 SSDEEP

        memory/744-155-0x00007FF68C340000-0x00007FF68C694000-memory.dmp

        memory/744-127-0x00007FF68C340000-0x00007FF68C694000-memory.dmp

        memory/832-139-0x00007FF685350000-0x00007FF6856A4000-memory.dmp

        memory/832-26-0x00007FF685350000-0x00007FF6856A4000-memory.dmp

        memory/1116-112-0x00007FF7EB0F0000-0x00007FF7EB444000-memory.dmp

        memory/1116-153-0x00007FF7EB0F0000-0x00007FF7EB444000-memory.dmp

        memory/1324-146-0x00007FF6E4110000-0x00007FF6E4464000-memory.dmp

        memory/1324-73-0x00007FF6E4110000-0x00007FF6E4464000-memory.dmp

        memory/1380-57-0x00007FF7B2BC0000-0x00007FF7B2F14000-memory.dmp

        memory/1380-144-0x00007FF7B2BC0000-0x00007FF7B2F14000-memory.dmp

        memory/1380-116-0x00007FF7B2BC0000-0x00007FF7B2F14000-memory.dmp

        memory/1500-70-0x00007FF6CE790000-0x00007FF6CEAE4000-memory.dmp

        memory/1500-136-0x00007FF6CE790000-0x00007FF6CEAE4000-memory.dmp

        memory/1500-8-0x00007FF6CE790000-0x00007FF6CEAE4000-memory.dmp

        memory/1508-88-0x00007FF7E1FE0000-0x00007FF7E2334000-memory.dmp

        memory/1508-149-0x00007FF7E1FE0000-0x00007FF7E2334000-memory.dmp

        memory/1784-65-0x00007FF64BF20000-0x00007FF64C274000-memory.dmp

        memory/1784-145-0x00007FF64BF20000-0x00007FF64C274000-memory.dmp

        memory/1920-138-0x00007FF711070000-0x00007FF7113C4000-memory.dmp

        memory/1920-20-0x00007FF711070000-0x00007FF7113C4000-memory.dmp

        memory/2196-152-0x00007FF714CC0000-0x00007FF715014000-memory.dmp

        memory/2196-104-0x00007FF714CC0000-0x00007FF715014000-memory.dmp

        memory/2196-133-0x00007FF714CC0000-0x00007FF715014000-memory.dmp

        memory/2228-50-0x00007FF68B2E0000-0x00007FF68B634000-memory.dmp

        memory/2228-143-0x00007FF68B2E0000-0x00007FF68B634000-memory.dmp

        memory/2300-151-0x00007FF730950000-0x00007FF730CA4000-memory.dmp

        memory/2300-132-0x00007FF730950000-0x00007FF730CA4000-memory.dmp

        memory/2300-103-0x00007FF730950000-0x00007FF730CA4000-memory.dmp

        memory/2524-156-0x00007FF7C4D00000-0x00007FF7C5054000-memory.dmp

        memory/2524-128-0x00007FF7C4D00000-0x00007FF7C5054000-memory.dmp

        memory/2524-135-0x00007FF7C4D00000-0x00007FF7C5054000-memory.dmp

        memory/2612-142-0x00007FF731AE0000-0x00007FF731E34000-memory.dmp

        memory/2612-44-0x00007FF731AE0000-0x00007FF731E34000-memory.dmp

        memory/2660-1-0x0000020D60D90000-0x0000020D60DA0000-memory.dmp

        memory/2660-0-0x00007FF66F200000-0x00007FF66F554000-memory.dmp

        memory/2660-62-0x00007FF66F200000-0x00007FF66F554000-memory.dmp

        memory/3176-140-0x00007FF61ECE0000-0x00007FF61F034000-memory.dmp

        memory/3176-32-0x00007FF61ECE0000-0x00007FF61F034000-memory.dmp

        memory/3512-14-0x00007FF695560000-0x00007FF6958B4000-memory.dmp

        memory/3512-137-0x00007FF695560000-0x00007FF6958B4000-memory.dmp

        memory/3876-147-0x00007FF77B110000-0x00007FF77B464000-memory.dmp

        memory/3876-74-0x00007FF77B110000-0x00007FF77B464000-memory.dmp

        memory/3876-131-0x00007FF77B110000-0x00007FF77B464000-memory.dmp

        memory/4148-95-0x00007FF6328E0000-0x00007FF632C34000-memory.dmp

        memory/4148-150-0x00007FF6328E0000-0x00007FF632C34000-memory.dmp

        memory/4488-119-0x00007FF7592A0000-0x00007FF7595F4000-memory.dmp

        memory/4488-134-0x00007FF7592A0000-0x00007FF7595F4000-memory.dmp

        memory/4488-154-0x00007FF7592A0000-0x00007FF7595F4000-memory.dmp

        memory/4632-38-0x00007FF6E4530000-0x00007FF6E4884000-memory.dmp

        memory/4632-141-0x00007FF6E4530000-0x00007FF6E4884000-memory.dmp

        memory/5004-84-0x00007FF6103B0000-0x00007FF610704000-memory.dmp

        memory/5004-148-0x00007FF6103B0000-0x00007FF610704000-memory.dmp