Analysis

  • max time kernel
    148s
  • 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
    01/06/2024, 01:44

General

  • Target
    2024-06-01_3e77bd42bd11dc83991453c84c2f5087_cobalt-strike_cobaltstrike.exe
  • Size 6.0MB
  • Sample240601-b58l1aeb95
  • SHA256 3c03c8d5dd4d8ee05f058b795c25c706444eac15fb4e2e444580fe3abe3d544a
  • 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\2024-06-01_3e77bd42bd11dc83991453c84c2f5087_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_3e77bd42bd11dc83991453c84c2f5087_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Windows\System\UwUdlBL.exe
      C:\Windows\System\UwUdlBL.exe
      2⤵
      • Executes dropped EXE
      PID:5044
    • C:\Windows\System\oUOnFiU.exe
      C:\Windows\System\oUOnFiU.exe
      2⤵
      • Executes dropped EXE
      PID:1236
    • C:\Windows\System\OzNXdlD.exe
      C:\Windows\System\OzNXdlD.exe
      2⤵
      • Executes dropped EXE
      PID:2872
    • C:\Windows\System\PoDKeZH.exe
      C:\Windows\System\PoDKeZH.exe
      2⤵
      • Executes dropped EXE
      PID:928
    • C:\Windows\System\yADZsVp.exe
      C:\Windows\System\yADZsVp.exe
      2⤵
      • Executes dropped EXE
      PID:2228
    • C:\Windows\System\aZXQUHB.exe
      C:\Windows\System\aZXQUHB.exe
      2⤵
      • Executes dropped EXE
      PID:2824
    • C:\Windows\System\AwEBgDH.exe
      C:\Windows\System\AwEBgDH.exe
      2⤵
      • Executes dropped EXE
      PID:1368
    • C:\Windows\System\BbzUVFV.exe
      C:\Windows\System\BbzUVFV.exe
      2⤵
      • Executes dropped EXE
      PID:988
    • C:\Windows\System\PcYteHi.exe
      C:\Windows\System\PcYteHi.exe
      2⤵
      • Executes dropped EXE
      PID:4964
    • C:\Windows\System\GJgAZUi.exe
      C:\Windows\System\GJgAZUi.exe
      2⤵
      • Executes dropped EXE
      PID:5084
    • C:\Windows\System\baosKaz.exe
      C:\Windows\System\baosKaz.exe
      2⤵
      • Executes dropped EXE
      PID:3240
    • C:\Windows\System\nbNDogY.exe
      C:\Windows\System\nbNDogY.exe
      2⤵
      • Executes dropped EXE
      PID:768
    • C:\Windows\System\VfmTyJR.exe
      C:\Windows\System\VfmTyJR.exe
      2⤵
      • Executes dropped EXE
      PID:3056
    • C:\Windows\System\KdpiYGC.exe
      C:\Windows\System\KdpiYGC.exe
      2⤵
      • Executes dropped EXE
      PID:1732
    • C:\Windows\System\PbUuXKP.exe
      C:\Windows\System\PbUuXKP.exe
      2⤵
      • Executes dropped EXE
      PID:1508
    • C:\Windows\System\wOHyIYL.exe
      C:\Windows\System\wOHyIYL.exe
      2⤵
      • Executes dropped EXE
      PID:4492
    • C:\Windows\System\xKmvrWa.exe
      C:\Windows\System\xKmvrWa.exe
      2⤵
      • Executes dropped EXE
      PID:4616
    • C:\Windows\System\MYeVjDY.exe
      C:\Windows\System\MYeVjDY.exe
      2⤵
      • Executes dropped EXE
      PID:1556
    • C:\Windows\System\aTQrcNK.exe
      C:\Windows\System\aTQrcNK.exe
      2⤵
      • Executes dropped EXE
      PID:4880
    • C:\Windows\System\phUQgvv.exe
      C:\Windows\System\phUQgvv.exe
      2⤵
      • Executes dropped EXE
      PID:3324
    • C:\Windows\System\bvndusq.exe
      C:\Windows\System\bvndusq.exe
      2⤵
      • Executes dropped EXE
      PID:2568

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AwEBgDH.exe

        • Path C:\Windows\System\AwEBgDH.exe
        • Size 6.0MB
        • SHA256 5de3de879c5b360128316b2c521069035a9634aca54d9c52f08ae4765693bab0
        • MD5 SHA1 SHA512 SSDEEP

        BbzUVFV.exe

        • Path C:\Windows\System\BbzUVFV.exe
        • Size 6.0MB
        • SHA256 9f829f1bbc20689cc578facb8a874fb9af5c183eb392a815c713e51a2d0fc3f5
        • MD5 SHA1 SHA512 SSDEEP

        GJgAZUi.exe

        • Path C:\Windows\System\GJgAZUi.exe
        • Size 6.0MB
        • SHA256 6ee5099e701e8308456f1c213859db22ec87b1cbce606f1ac7aac6c3fd568851
        • MD5 SHA1 SHA512 SSDEEP

        KdpiYGC.exe

        • Path C:\Windows\System\KdpiYGC.exe
        • Size 6.0MB
        • SHA256 adaf1e33d7039a66d2a3f94c4145bb87d30f23288a39ab98c28451615d4aa45a
        • MD5 SHA1 SHA512 SSDEEP

        MYeVjDY.exe

        • Path C:\Windows\System\MYeVjDY.exe
        • Size 6.0MB
        • SHA256 ccebc7fc5d32a9fb276d2b27b385a225bbf2152c3ae9416c56862ffb49abc0c4
        • MD5 SHA1 SHA512 SSDEEP

        OzNXdlD.exe

        • Path C:\Windows\System\OzNXdlD.exe
        • Size 6.0MB
        • SHA256 ba951c90dd9ef7ea9594fadcc2c15f59ccd2e550f89cd33665aeb9dd8c711a13
        • MD5 SHA1 SHA512 SSDEEP

        PbUuXKP.exe

        • Path C:\Windows\System\PbUuXKP.exe
        • Size 6.0MB
        • SHA256 505b9a3bb2dae54b91f94a3f012e547be58938472accb4729bc247755799cea5
        • MD5 SHA1 SHA512 SSDEEP

        PcYteHi.exe

        • Path C:\Windows\System\PcYteHi.exe
        • Size 6.0MB
        • SHA256 a1f69ee6d7e32814d94397b3fb4fc37002275942347636600216fa594119088f
        • MD5 SHA1 SHA512 SSDEEP

        PoDKeZH.exe

        • Path C:\Windows\System\PoDKeZH.exe
        • Size 6.0MB
        • SHA256 cf19f198763c6ecac92879185e692bdda1a6d8154da40939e50cdb4f0ab03054
        • MD5 SHA1 SHA512 SSDEEP

        UwUdlBL.exe

        • Path C:\Windows\System\UwUdlBL.exe
        • Size 6.0MB
        • SHA256 e767f1f3b9ee36157497cc6eafca28ff1cbbc85d3fe7d0e5912c049b7d2e17b4
        • MD5 SHA1 SHA512 SSDEEP

        VfmTyJR.exe

        • Path C:\Windows\System\VfmTyJR.exe
        • Size 6.0MB
        • SHA256 d6056a1ac74ebc66b26904414fdbac9bb22891c3a0b10d70f1f2aeac777a98b2
        • MD5 SHA1 SHA512 SSDEEP

        aTQrcNK.exe

        • Path C:\Windows\System\aTQrcNK.exe
        • Size 6.0MB
        • SHA256 b76dcae1e487030ddfbb7c7236b9ff8303dc40a01c6bd92b9bd979db5c90be83
        • MD5 SHA1 SHA512 SSDEEP

        aZXQUHB.exe

        • Path C:\Windows\System\aZXQUHB.exe
        • Size 6.0MB
        • SHA256 e20bd2ec8eed5411ef12eaf06ed850e623dd706b6cba45ae955ca3a2db2a015f
        • MD5 SHA1 SHA512 SSDEEP

        baosKaz.exe

        • Path C:\Windows\System\baosKaz.exe
        • Size 6.0MB
        • SHA256 562a0d4a5e2a8ee07e692f8addd65379db35d1edcf5df5be70ea0befea633451
        • MD5 SHA1 SHA512 SSDEEP

        bvndusq.exe

        • Path C:\Windows\System\bvndusq.exe
        • Size 6.0MB
        • SHA256 9ae01dd438f7b7fbd3aff8f75b8d6e1947f86efd9c5c9214c120973c82bc95b4
        • MD5 SHA1 SHA512 SSDEEP

        nbNDogY.exe

        • Path C:\Windows\System\nbNDogY.exe
        • Size 6.0MB
        • SHA256 5ef949f534ba893f09c9e9c846e560befa5784581bc0ba6d8114c8b254aad833
        • MD5 SHA1 SHA512 SSDEEP

        oUOnFiU.exe

        • Path C:\Windows\System\oUOnFiU.exe
        • Size 6.0MB
        • SHA256 3a2050c919924317c666f651b84475dd4b90d349ff0ac8dcfd0764c16a064efc
        • MD5 SHA1 SHA512 SSDEEP

        phUQgvv.exe

        • Path C:\Windows\System\phUQgvv.exe
        • Size 6.0MB
        • SHA256 b54f8cfe3b66cc502ff8d33cfa071cfc458884bdc0fed329c1c714ee385e9d73
        • MD5 SHA1 SHA512 SSDEEP

        wOHyIYL.exe

        • Path C:\Windows\System\wOHyIYL.exe
        • Size 6.0MB
        • SHA256 b813b1c544094f3d211faa5f6b32b0118c37ea09ce9d1ea888afc96238d2674b
        • MD5 SHA1 SHA512 SSDEEP

        xKmvrWa.exe

        • Path C:\Windows\System\xKmvrWa.exe
        • Size 6.0MB
        • SHA256 03ba3f138645a31b6f883c963558920bcd3f4312c2804e78948b3692de3341e4
        • MD5 SHA1 SHA512 SSDEEP

        yADZsVp.exe

        • Path C:\Windows\System\yADZsVp.exe
        • Size 6.0MB
        • SHA256 8d33432f71e307971a77616ee611d494064d9c2a66f14eb9e81f8ce713614783
        • MD5 SHA1 SHA512 SSDEEP

        memory/768-74-0x00007FF7348E0000-0x00007FF734C34000-memory.dmp

        memory/768-149-0x00007FF7348E0000-0x00007FF734C34000-memory.dmp

        memory/768-136-0x00007FF7348E0000-0x00007FF734C34000-memory.dmp

        memory/928-127-0x00007FF75C920000-0x00007FF75CC74000-memory.dmp

        memory/928-141-0x00007FF75C920000-0x00007FF75CC74000-memory.dmp

        memory/928-26-0x00007FF75C920000-0x00007FF75CC74000-memory.dmp

        memory/988-145-0x00007FF60A820000-0x00007FF60AB74000-memory.dmp

        memory/988-51-0x00007FF60A820000-0x00007FF60AB74000-memory.dmp

        memory/1236-139-0x00007FF77D980000-0x00007FF77DCD4000-memory.dmp

        memory/1236-77-0x00007FF77D980000-0x00007FF77DCD4000-memory.dmp

        memory/1236-14-0x00007FF77D980000-0x00007FF77DCD4000-memory.dmp

        memory/1368-144-0x00007FF73EEF0000-0x00007FF73F244000-memory.dmp

        memory/1368-42-0x00007FF73EEF0000-0x00007FF73F244000-memory.dmp

        memory/1368-134-0x00007FF73EEF0000-0x00007FF73F244000-memory.dmp

        memory/1508-152-0x00007FF62F9A0000-0x00007FF62FCF4000-memory.dmp

        memory/1508-99-0x00007FF62F9A0000-0x00007FF62FCF4000-memory.dmp

        memory/1556-155-0x00007FF77F500000-0x00007FF77F854000-memory.dmp

        memory/1556-129-0x00007FF77F500000-0x00007FF77F854000-memory.dmp

        memory/1732-151-0x00007FF6739A0000-0x00007FF673CF4000-memory.dmp

        memory/1732-98-0x00007FF6739A0000-0x00007FF673CF4000-memory.dmp

        memory/2228-34-0x00007FF6D0AB0000-0x00007FF6D0E04000-memory.dmp

        memory/2228-142-0x00007FF6D0AB0000-0x00007FF6D0E04000-memory.dmp

        memory/2568-132-0x00007FF745A50000-0x00007FF745DA4000-memory.dmp

        memory/2568-157-0x00007FF745A50000-0x00007FF745DA4000-memory.dmp

        memory/2824-40-0x00007FF7ACFA0000-0x00007FF7AD2F4000-memory.dmp

        memory/2824-143-0x00007FF7ACFA0000-0x00007FF7AD2F4000-memory.dmp

        memory/2824-133-0x00007FF7ACFA0000-0x00007FF7AD2F4000-memory.dmp

        memory/2872-19-0x00007FF6FD8C0000-0x00007FF6FDC14000-memory.dmp

        memory/2872-95-0x00007FF6FD8C0000-0x00007FF6FDC14000-memory.dmp

        memory/2872-140-0x00007FF6FD8C0000-0x00007FF6FDC14000-memory.dmp

        memory/3056-96-0x00007FF7F0A50000-0x00007FF7F0DA4000-memory.dmp

        memory/3056-150-0x00007FF7F0A50000-0x00007FF7F0DA4000-memory.dmp

        memory/3240-72-0x00007FF77FF50000-0x00007FF7802A4000-memory.dmp

        memory/3240-135-0x00007FF77FF50000-0x00007FF7802A4000-memory.dmp

        memory/3240-148-0x00007FF77FF50000-0x00007FF7802A4000-memory.dmp

        memory/3324-131-0x00007FF6BFB70000-0x00007FF6BFEC4000-memory.dmp

        memory/3324-158-0x00007FF6BFB70000-0x00007FF6BFEC4000-memory.dmp

        memory/4492-102-0x00007FF747F30000-0x00007FF748284000-memory.dmp

        memory/4492-137-0x00007FF747F30000-0x00007FF748284000-memory.dmp

        memory/4492-153-0x00007FF747F30000-0x00007FF748284000-memory.dmp

        memory/4616-128-0x00007FF73C270000-0x00007FF73C5C4000-memory.dmp

        memory/4616-154-0x00007FF73C270000-0x00007FF73C5C4000-memory.dmp

        memory/4880-130-0x00007FF739BD0000-0x00007FF739F24000-memory.dmp

        memory/4880-156-0x00007FF739BD0000-0x00007FF739F24000-memory.dmp

        memory/4964-61-0x00007FF743040000-0x00007FF743394000-memory.dmp

        memory/4964-146-0x00007FF743040000-0x00007FF743394000-memory.dmp

        memory/4992-65-0x00007FF704450000-0x00007FF7047A4000-memory.dmp

        memory/4992-0-0x00007FF704450000-0x00007FF7047A4000-memory.dmp

        memory/4992-1-0x00000265E90D0000-0x00000265E90E0000-memory.dmp

        memory/5044-73-0x00007FF7F87E0000-0x00007FF7F8B34000-memory.dmp

        memory/5044-6-0x00007FF7F87E0000-0x00007FF7F8B34000-memory.dmp

        memory/5044-138-0x00007FF7F87E0000-0x00007FF7F8B34000-memory.dmp

        memory/5084-66-0x00007FF72E520000-0x00007FF72E874000-memory.dmp

        memory/5084-147-0x00007FF72E520000-0x00007FF72E874000-memory.dmp