Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 00:43

General

  • Target
    2024-05-28_6e1251df6fa3529aa618dba5055ad4f7_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240528-a25khaga71
  • SHA256 51b0040631e2b9632ea07319433c66877115bcf4558e2222b4fc3ffaaacb57cb
  • 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\2024-05-28_6e1251df6fa3529aa618dba5055ad4f7_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-28_6e1251df6fa3529aa618dba5055ad4f7_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Windows\System\HBozUnM.exe
      C:\Windows\System\HBozUnM.exe
      2⤵
      • Executes dropped EXE
      PID:4644
    • C:\Windows\System\DygnOBH.exe
      C:\Windows\System\DygnOBH.exe
      2⤵
      • Executes dropped EXE
      PID:2400
    • C:\Windows\System\dvwwzpK.exe
      C:\Windows\System\dvwwzpK.exe
      2⤵
      • Executes dropped EXE
      PID:4992
    • C:\Windows\System\tUxrZGf.exe
      C:\Windows\System\tUxrZGf.exe
      2⤵
      • Executes dropped EXE
      PID:3648
    • C:\Windows\System\WsHoRBR.exe
      C:\Windows\System\WsHoRBR.exe
      2⤵
      • Executes dropped EXE
      PID:3592
    • C:\Windows\System\AxexQBI.exe
      C:\Windows\System\AxexQBI.exe
      2⤵
      • Executes dropped EXE
      PID:3944
    • C:\Windows\System\BuSsTHn.exe
      C:\Windows\System\BuSsTHn.exe
      2⤵
      • Executes dropped EXE
      PID:3644
    • C:\Windows\System\oovXBFD.exe
      C:\Windows\System\oovXBFD.exe
      2⤵
      • Executes dropped EXE
      PID:2668
    • C:\Windows\System\WEIWkhf.exe
      C:\Windows\System\WEIWkhf.exe
      2⤵
      • Executes dropped EXE
      PID:5060
    • C:\Windows\System\GEqCUSF.exe
      C:\Windows\System\GEqCUSF.exe
      2⤵
      • Executes dropped EXE
      PID:2156
    • C:\Windows\System\QeCOgVa.exe
      C:\Windows\System\QeCOgVa.exe
      2⤵
      • Executes dropped EXE
      PID:1020
    • C:\Windows\System\OZnVqiB.exe
      C:\Windows\System\OZnVqiB.exe
      2⤵
      • Executes dropped EXE
      PID:1540
    • C:\Windows\System\wbuASNh.exe
      C:\Windows\System\wbuASNh.exe
      2⤵
      • Executes dropped EXE
      PID:4176
    • C:\Windows\System\xKCWgMp.exe
      C:\Windows\System\xKCWgMp.exe
      2⤵
      • Executes dropped EXE
      PID:3048
    • C:\Windows\System\nqZZLNh.exe
      C:\Windows\System\nqZZLNh.exe
      2⤵
      • Executes dropped EXE
      PID:2924
    • C:\Windows\System\QFlLyfh.exe
      C:\Windows\System\QFlLyfh.exe
      2⤵
      • Executes dropped EXE
      PID:3736
    • C:\Windows\System\SqCPSpu.exe
      C:\Windows\System\SqCPSpu.exe
      2⤵
      • Executes dropped EXE
      PID:2272
    • C:\Windows\System\feJUqNQ.exe
      C:\Windows\System\feJUqNQ.exe
      2⤵
      • Executes dropped EXE
      PID:3528
    • C:\Windows\System\yzDJasR.exe
      C:\Windows\System\yzDJasR.exe
      2⤵
      • Executes dropped EXE
      PID:1276
    • C:\Windows\System\MfSIQHx.exe
      C:\Windows\System\MfSIQHx.exe
      2⤵
      • Executes dropped EXE
      PID:1528
    • C:\Windows\System\idfbwIH.exe
      C:\Windows\System\idfbwIH.exe
      2⤵
      • Executes dropped EXE
      PID:3776

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AxexQBI.exe

        • Path C:\Windows\System\AxexQBI.exe
        • Size 5.9MB
        • SHA256 963f2fdf9c86ce94f6ffccabdf59627c974ed4fe43aa56affd99cd88dc5b3379
        • MD5 SHA1 SHA512 SSDEEP

        BuSsTHn.exe

        • Path C:\Windows\System\BuSsTHn.exe
        • Size 5.9MB
        • SHA256 6341a69c09a8c3f594a843c25c42eb4e59098ca1029bd2e4593c10246bb03eee
        • MD5 SHA1 SHA512 SSDEEP

        DygnOBH.exe

        • Path C:\Windows\System\DygnOBH.exe
        • Size 5.9MB
        • SHA256 8e968f7f346114b9f61467ddcf2e63137bf6590724928f72d149dc6c6ce3dd26
        • MD5 SHA1 SHA512 SSDEEP

        GEqCUSF.exe

        • Path C:\Windows\System\GEqCUSF.exe
        • Size 5.9MB
        • SHA256 fefa4e3b3b4c121a29b2a12af81a4793246dd7c66e6c899b49e4856b6c50a141
        • MD5 SHA1 SHA512 SSDEEP

        HBozUnM.exe

        • Path C:\Windows\System\HBozUnM.exe
        • Size 5.9MB
        • SHA256 78796f0d3e8534ae1cd65bf9722ec18f45509343b682d1c28470323098f8e29b
        • MD5 SHA1 SHA512 SSDEEP

        MfSIQHx.exe

        • Path C:\Windows\System\MfSIQHx.exe
        • Size 5.9MB
        • SHA256 9fc1917610bf55246ea24e02393454e17769ea69e2d00ae06e083bc988849bb3
        • MD5 SHA1 SHA512 SSDEEP

        OZnVqiB.exe

        • Path C:\Windows\System\OZnVqiB.exe
        • Size 5.9MB
        • SHA256 dc5072dd03a2d279dfa127b3fe573c1f9759c2ef09c04506acd9d255ba0febb0
        • MD5 SHA1 SHA512 SSDEEP

        QFlLyfh.exe

        • Path C:\Windows\System\QFlLyfh.exe
        • Size 5.9MB
        • SHA256 4d51496eedd20c3f2fee65b76540962ec4182ba28a38f8324bec176540993278
        • MD5 SHA1 SHA512 SSDEEP

        QeCOgVa.exe

        • Path C:\Windows\System\QeCOgVa.exe
        • Size 5.9MB
        • SHA256 254153b6b3825ba3fe7c3b4f40a1503b1f0e799257d94739eb24153c0313f603
        • MD5 SHA1 SHA512 SSDEEP

        SqCPSpu.exe

        • Path C:\Windows\System\SqCPSpu.exe
        • Size 5.9MB
        • SHA256 06c35b345e835ba386af8d00ab6bad33c8ca8f642d4ed6511252aa93dfcf0559
        • MD5 SHA1 SHA512 SSDEEP

        WEIWkhf.exe

        • Path C:\Windows\System\WEIWkhf.exe
        • Size 5.9MB
        • SHA256 ea21cd692525a1c5008b9b427ed51d0bcad8976a736d1a59a9c227c15cbdcb8b
        • MD5 SHA1 SHA512 SSDEEP

        WsHoRBR.exe

        • Path C:\Windows\System\WsHoRBR.exe
        • Size 5.9MB
        • SHA256 92dde5fc125e477f0d02d31af6e0dea5840b403c9eb18c96f38243ba83111675
        • MD5 SHA1 SHA512 SSDEEP

        dvwwzpK.exe

        • Path C:\Windows\System\dvwwzpK.exe
        • Size 5.9MB
        • SHA256 741bd387db375a0fda19abefdb037783947563729c63001bbc9f49ea2959bcfb
        • MD5 SHA1 SHA512 SSDEEP

        feJUqNQ.exe

        • Path C:\Windows\System\feJUqNQ.exe
        • Size 5.9MB
        • SHA256 8c8e5a180e0dee0df53e203c25da8b213c0575ca228322be0dd7a12d07a4e4bd
        • MD5 SHA1 SHA512 SSDEEP

        idfbwIH.exe

        • Path C:\Windows\System\idfbwIH.exe
        • Size 5.9MB
        • SHA256 68e9c12b5c1a11fd1487f76cea31938e1c90f3d2d86166bcdd8f06a61da23523
        • MD5 SHA1 SHA512 SSDEEP

        nqZZLNh.exe

        • Path C:\Windows\System\nqZZLNh.exe
        • Size 5.9MB
        • SHA256 f4ec2dfb67edd9dfdfecd6362a8a63c0805bd41507a3a5b38e166cec2d837572
        • MD5 SHA1 SHA512 SSDEEP

        oovXBFD.exe

        • Path C:\Windows\System\oovXBFD.exe
        • Size 5.9MB
        • SHA256 d8797bceee4e92c71c73cbf04d2962b9745a69178a366c7fbfa45f9e7ef8417d
        • MD5 SHA1 SHA512 SSDEEP

        tUxrZGf.exe

        • Path C:\Windows\System\tUxrZGf.exe
        • Size 5.9MB
        • SHA256 e9256087708d1481022d0d32eb7de696ca6066571f07a86fc9b45c5b75a1af06
        • MD5 SHA1 SHA512 SSDEEP

        wbuASNh.exe

        • Path C:\Windows\System\wbuASNh.exe
        • Size 5.9MB
        • SHA256 9234ed04b1e086e5a03003657a5c29407f73090ce06e5abe4ab3533f7fea8f8c
        • MD5 SHA1 SHA512 SSDEEP

        xKCWgMp.exe

        • Path C:\Windows\System\xKCWgMp.exe
        • Size 5.9MB
        • SHA256 d622257e85f828a34551d899cba05010fe6d0e758b43f8cd7f4f7a65b6b7fa04
        • MD5 SHA1 SHA512 SSDEEP

        yzDJasR.exe

        • Path C:\Windows\System\yzDJasR.exe
        • Size 5.9MB
        • SHA256 b4e0c7def7776d104b1203209b2452a75fc035792378b3d343d13802f45e41f4
        • MD5 SHA1 SHA512 SSDEEP

        memory/1020-148-0x00007FF7D83D0000-0x00007FF7D8724000-memory.dmp

        memory/1020-82-0x00007FF7D83D0000-0x00007FF7D8724000-memory.dmp

        memory/1276-125-0x00007FF639360000-0x00007FF6396B4000-memory.dmp

        memory/1276-153-0x00007FF639360000-0x00007FF6396B4000-memory.dmp

        memory/1528-150-0x00007FF7D3D30000-0x00007FF7D4084000-memory.dmp

        memory/1528-127-0x00007FF7D3D30000-0x00007FF7D4084000-memory.dmp

        memory/1540-158-0x00007FF6BB3A0000-0x00007FF6BB6F4000-memory.dmp

        memory/1540-138-0x00007FF6BB3A0000-0x00007FF6BB6F4000-memory.dmp

        memory/1540-75-0x00007FF6BB3A0000-0x00007FF6BB6F4000-memory.dmp

        memory/2156-159-0x00007FF630990000-0x00007FF630CE4000-memory.dmp

        memory/2156-89-0x00007FF630990000-0x00007FF630CE4000-memory.dmp

        memory/2272-156-0x00007FF635CB0000-0x00007FF636004000-memory.dmp

        memory/2272-124-0x00007FF635CB0000-0x00007FF636004000-memory.dmp

        memory/2400-141-0x00007FF644490000-0x00007FF6447E4000-memory.dmp

        memory/2400-130-0x00007FF644490000-0x00007FF6447E4000-memory.dmp

        memory/2400-18-0x00007FF644490000-0x00007FF6447E4000-memory.dmp

        memory/2668-57-0x00007FF6EA010000-0x00007FF6EA364000-memory.dmp

        memory/2668-149-0x00007FF6EA010000-0x00007FF6EA364000-memory.dmp

        memory/2668-135-0x00007FF6EA010000-0x00007FF6EA364000-memory.dmp

        memory/2744-0-0x00007FF6CD680000-0x00007FF6CD9D4000-memory.dmp

        memory/2744-1-0x000001DD37BA0000-0x000001DD37BB0000-memory.dmp

        memory/2744-128-0x00007FF6CD680000-0x00007FF6CD9D4000-memory.dmp

        memory/2924-99-0x00007FF79D900000-0x00007FF79DC54000-memory.dmp

        memory/2924-151-0x00007FF79D900000-0x00007FF79DC54000-memory.dmp

        memory/3048-157-0x00007FF683120000-0x00007FF683474000-memory.dmp

        memory/3048-91-0x00007FF683120000-0x00007FF683474000-memory.dmp

        memory/3048-139-0x00007FF683120000-0x00007FF683474000-memory.dmp

        memory/3528-154-0x00007FF6B2B50000-0x00007FF6B2EA4000-memory.dmp

        memory/3528-113-0x00007FF6B2B50000-0x00007FF6B2EA4000-memory.dmp

        memory/3592-27-0x00007FF60F680000-0x00007FF60F9D4000-memory.dmp

        memory/3592-144-0x00007FF60F680000-0x00007FF60F9D4000-memory.dmp

        memory/3592-133-0x00007FF60F680000-0x00007FF60F9D4000-memory.dmp

        memory/3644-53-0x00007FF6BBE30000-0x00007FF6BC184000-memory.dmp

        memory/3644-147-0x00007FF6BBE30000-0x00007FF6BC184000-memory.dmp

        memory/3644-134-0x00007FF6BBE30000-0x00007FF6BC184000-memory.dmp

        memory/3648-23-0x00007FF7233D0000-0x00007FF723724000-memory.dmp

        memory/3648-132-0x00007FF7233D0000-0x00007FF723724000-memory.dmp

        memory/3648-143-0x00007FF7233D0000-0x00007FF723724000-memory.dmp

        memory/3736-119-0x00007FF7CD590000-0x00007FF7CD8E4000-memory.dmp

        memory/3736-155-0x00007FF7CD590000-0x00007FF7CD8E4000-memory.dmp

        memory/3776-160-0x00007FF7EDC80000-0x00007FF7EDFD4000-memory.dmp

        memory/3776-126-0x00007FF7EDC80000-0x00007FF7EDFD4000-memory.dmp

        memory/3944-48-0x00007FF7D20E0000-0x00007FF7D2434000-memory.dmp

        memory/3944-145-0x00007FF7D20E0000-0x00007FF7D2434000-memory.dmp

        memory/3944-136-0x00007FF7D20E0000-0x00007FF7D2434000-memory.dmp

        memory/4176-152-0x00007FF6308F0000-0x00007FF630C44000-memory.dmp

        memory/4176-116-0x00007FF6308F0000-0x00007FF630C44000-memory.dmp

        memory/4644-129-0x00007FF7398D0000-0x00007FF739C24000-memory.dmp

        memory/4644-10-0x00007FF7398D0000-0x00007FF739C24000-memory.dmp

        memory/4644-140-0x00007FF7398D0000-0x00007FF739C24000-memory.dmp

        memory/4992-142-0x00007FF6D3DE0000-0x00007FF6D4134000-memory.dmp

        memory/4992-22-0x00007FF6D3DE0000-0x00007FF6D4134000-memory.dmp

        memory/4992-131-0x00007FF6D3DE0000-0x00007FF6D4134000-memory.dmp

        memory/5060-137-0x00007FF7CA490000-0x00007FF7CA7E4000-memory.dmp

        memory/5060-146-0x00007FF7CA490000-0x00007FF7CA7E4000-memory.dmp

        memory/5060-65-0x00007FF7CA490000-0x00007FF7CA7E4000-memory.dmp