Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 22:42

General

  • Target
    2024-05-31_8c1a13b64da8367dc8fa1778151a9099_cobalt-strike_cobaltstrike.exe
  • Size 5.2MB
  • Sample240531-2mty1aha34
  • SHA256 0b71962af4b1f193758eac95f58c482e2de4452674ea3fd3d1c1787306c152f3
  • 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 48 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\2024-05-31_8c1a13b64da8367dc8fa1778151a9099_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_8c1a13b64da8367dc8fa1778151a9099_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Windows\System\EIvCfdW.exe
      C:\Windows\System\EIvCfdW.exe
      2⤵
      • Executes dropped EXE
      PID:4460
    • C:\Windows\System\uOvcwVv.exe
      C:\Windows\System\uOvcwVv.exe
      2⤵
      • Executes dropped EXE
      PID:4044
    • C:\Windows\System\yprRdQl.exe
      C:\Windows\System\yprRdQl.exe
      2⤵
      • Executes dropped EXE
      PID:4988
    • C:\Windows\System\NyjjDQg.exe
      C:\Windows\System\NyjjDQg.exe
      2⤵
      • Executes dropped EXE
      PID:2104
    • C:\Windows\System\nNOcNWR.exe
      C:\Windows\System\nNOcNWR.exe
      2⤵
      • Executes dropped EXE
      PID:2988
    • C:\Windows\System\UvtSagI.exe
      C:\Windows\System\UvtSagI.exe
      2⤵
      • Executes dropped EXE
      PID:4016
    • C:\Windows\System\lYJeRkk.exe
      C:\Windows\System\lYJeRkk.exe
      2⤵
      • Executes dropped EXE
      PID:4824
    • C:\Windows\System\aGjUAJD.exe
      C:\Windows\System\aGjUAJD.exe
      2⤵
      • Executes dropped EXE
      PID:1944
    • C:\Windows\System\wRozyUw.exe
      C:\Windows\System\wRozyUw.exe
      2⤵
      • Executes dropped EXE
      PID:3076
    • C:\Windows\System\dakVCIX.exe
      C:\Windows\System\dakVCIX.exe
      2⤵
      • Executes dropped EXE
      PID:4572
    • C:\Windows\System\fLImivm.exe
      C:\Windows\System\fLImivm.exe
      2⤵
      • Executes dropped EXE
      PID:2044
    • C:\Windows\System\SMEKVjf.exe
      C:\Windows\System\SMEKVjf.exe
      2⤵
      • Executes dropped EXE
      PID:1612
    • C:\Windows\System\ODjdwTr.exe
      C:\Windows\System\ODjdwTr.exe
      2⤵
      • Executes dropped EXE
      PID:452
    • C:\Windows\System\gTPdPzo.exe
      C:\Windows\System\gTPdPzo.exe
      2⤵
      • Executes dropped EXE
      PID:3132
    • C:\Windows\System\BCQueMs.exe
      C:\Windows\System\BCQueMs.exe
      2⤵
      • Executes dropped EXE
      PID:1456
    • C:\Windows\System\jBYWEOm.exe
      C:\Windows\System\jBYWEOm.exe
      2⤵
      • Executes dropped EXE
      PID:3268
    • C:\Windows\System\qiECaSQ.exe
      C:\Windows\System\qiECaSQ.exe
      2⤵
      • Executes dropped EXE
      PID:1616
    • C:\Windows\System\HyewybI.exe
      C:\Windows\System\HyewybI.exe
      2⤵
      • Executes dropped EXE
      PID:4248
    • C:\Windows\System\rEhckgK.exe
      C:\Windows\System\rEhckgK.exe
      2⤵
      • Executes dropped EXE
      PID:2888
    • C:\Windows\System\LXKfJyg.exe
      C:\Windows\System\LXKfJyg.exe
      2⤵
      • Executes dropped EXE
      PID:4532
    • C:\Windows\System\ABFkfnP.exe
      C:\Windows\System\ABFkfnP.exe
      2⤵
      • Executes dropped EXE
      PID:1156

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ABFkfnP.exe

        • Path C:\Windows\System\ABFkfnP.exe
        • Size 5.2MB
        • SHA256 2d8486dd2664f0a728dc03bf5f5e3cf7fb1d18e766a444650c9d1dd7d6d96ea4
        • MD5 SHA1 SHA512 SSDEEP

        BCQueMs.exe

        • Path C:\Windows\System\BCQueMs.exe
        • Size 5.2MB
        • SHA256 f5258901c226f1c3b375aabc182b272082b3002a46f53e75233339dad64a660f
        • MD5 SHA1 SHA512 SSDEEP

        EIvCfdW.exe

        • Path C:\Windows\System\EIvCfdW.exe
        • Size 5.2MB
        • SHA256 d1afea9cbd3794056ff1cc27f591d5aa4a532837b1629f82eb5cd0cd3544ecbd
        • MD5 SHA1 SHA512 SSDEEP

        HyewybI.exe

        • Path C:\Windows\System\HyewybI.exe
        • Size 5.2MB
        • SHA256 f3cd40512d44d29dc18858ace7c85b4adf80121cd12d3b5b6703055e3ca93842
        • MD5 SHA1 SHA512 SSDEEP

        LXKfJyg.exe

        • Path C:\Windows\System\LXKfJyg.exe
        • Size 5.2MB
        • SHA256 7c1022be369123de4df21159e06be02ffff96944c672be3d16caeb1c36f45356
        • MD5 SHA1 SHA512 SSDEEP

        NyjjDQg.exe

        • Path C:\Windows\System\NyjjDQg.exe
        • Size 5.2MB
        • SHA256 3628813fb3ce5492a1219920ed11e688c42aa3ea24c7ef1d9317707e72907593
        • MD5 SHA1 SHA512 SSDEEP

        ODjdwTr.exe

        • Path C:\Windows\System\ODjdwTr.exe
        • Size 5.2MB
        • SHA256 a5dff3cb66271f170f4898e1bd9bf43627575736d7d3e48d829829c5a9ab4824
        • MD5 SHA1 SHA512 SSDEEP

        SMEKVjf.exe

        • Path C:\Windows\System\SMEKVjf.exe
        • Size 5.2MB
        • SHA256 f118f3854b63ee01263ff5c7d481f4bbf34c98761f97a53fd6886bf78086ade2
        • MD5 SHA1 SHA512 SSDEEP

        UvtSagI.exe

        • Path C:\Windows\System\UvtSagI.exe
        • Size 5.2MB
        • SHA256 3c68dddcb55d9d98eeab7e5c2d217dbdf4d032b6d334254f9bc2da85f591353b
        • MD5 SHA1 SHA512 SSDEEP

        aGjUAJD.exe

        • Path C:\Windows\System\aGjUAJD.exe
        • Size 5.2MB
        • SHA256 4290207b6bd9f34ecc1c824efcf957739d53be36890b83cb4df0610af7be28e0
        • MD5 SHA1 SHA512 SSDEEP

        dakVCIX.exe

        • Path C:\Windows\System\dakVCIX.exe
        • Size 5.2MB
        • SHA256 9e1663ace721a3beac72fa1089875064a9f49dc93c9cc7afaf54cec5d4d48a1c
        • MD5 SHA1 SHA512 SSDEEP

        fLImivm.exe

        • Path C:\Windows\System\fLImivm.exe
        • Size 5.2MB
        • SHA256 e4bf33d3425bbdf70698ffa5e4e6253a277fc000f410e1cf608e75a224cb0193
        • MD5 SHA1 SHA512 SSDEEP

        gTPdPzo.exe

        • Path C:\Windows\System\gTPdPzo.exe
        • Size 5.2MB
        • SHA256 3bd9629333a1bdc052dc4ba7740ce778c2ffd41675f4b054929a51a1ae4de4e7
        • MD5 SHA1 SHA512 SSDEEP

        jBYWEOm.exe

        • Path C:\Windows\System\jBYWEOm.exe
        • Size 5.2MB
        • SHA256 cf33424cd3c23e397d20c40319432b29b1122738c4efec7217b0a3df1708daec
        • MD5 SHA1 SHA512 SSDEEP

        lYJeRkk.exe

        • Path C:\Windows\System\lYJeRkk.exe
        • Size 5.2MB
        • SHA256 a6fce487197dd0a67b9881437835b07c4295e1eba332a72817e6b49a3b2b3041
        • MD5 SHA1 SHA512 SSDEEP

        nNOcNWR.exe

        • Path C:\Windows\System\nNOcNWR.exe
        • Size 5.2MB
        • SHA256 6a9a4fe7379971ef07cb01b1dcf005a7b4b6a90e15209a2c8c70e202a3881c49
        • MD5 SHA1 SHA512 SSDEEP

        qiECaSQ.exe

        • Path C:\Windows\System\qiECaSQ.exe
        • Size 5.2MB
        • SHA256 e1304407bece75a8a012df8410532c89a8806179ef4d26aee1850ae8228f240b
        • MD5 SHA1 SHA512 SSDEEP

        rEhckgK.exe

        • Path C:\Windows\System\rEhckgK.exe
        • Size 5.2MB
        • SHA256 0e33914a708c29e8f3d84a403a30ea24405c7b4b26e648d661ffa420eb02c5c2
        • MD5 SHA1 SHA512 SSDEEP

        uOvcwVv.exe

        • Path C:\Windows\System\uOvcwVv.exe
        • Size 5.2MB
        • SHA256 e89d0dae4b06f0b664f477dec402e1244df78fbf2908bc97a9645e06c4ffb815
        • MD5 SHA1 SHA512 SSDEEP

        wRozyUw.exe

        • Path C:\Windows\System\wRozyUw.exe
        • Size 5.2MB
        • SHA256 e2b69916206da41e996fb45fff817908da97fd08db19cb6e9816f1f4b4f3104f
        • MD5 SHA1 SHA512 SSDEEP

        yprRdQl.exe

        • Path C:\Windows\System\yprRdQl.exe
        • Size 5.2MB
        • SHA256 3959dfd929449b48b66941728463fc1c6444e4f339725146ca77845675cbee4f
        • MD5 SHA1 SHA512 SSDEEP

        memory/452-221-0x00007FF64F930000-0x00007FF64FC81000-memory.dmp

        memory/452-87-0x00007FF64F930000-0x00007FF64FC81000-memory.dmp

        memory/940-168-0x00007FF6C7A00000-0x00007FF6C7D51000-memory.dmp

        memory/940-0-0x00007FF6C7A00000-0x00007FF6C7D51000-memory.dmp

        memory/940-127-0x00007FF6C7A00000-0x00007FF6C7D51000-memory.dmp

        memory/940-130-0x00007FF6C7A00000-0x00007FF6C7D51000-memory.dmp

        memory/940-146-0x00007FF6C7A00000-0x00007FF6C7D51000-memory.dmp

        memory/940-1-0x000001A8CBE20000-0x000001A8CBE30000-memory.dmp

        memory/1156-126-0x00007FF777D60000-0x00007FF7780B1000-memory.dmp

        memory/1156-238-0x00007FF777D60000-0x00007FF7780B1000-memory.dmp

        memory/1456-218-0x00007FF6FFF70000-0x00007FF7002C1000-memory.dmp

        memory/1456-91-0x00007FF6FFF70000-0x00007FF7002C1000-memory.dmp

        memory/1612-224-0x00007FF7A9A40000-0x00007FF7A9D91000-memory.dmp

        memory/1612-142-0x00007FF7A9A40000-0x00007FF7A9D91000-memory.dmp

        memory/1612-70-0x00007FF7A9A40000-0x00007FF7A9D91000-memory.dmp

        memory/1616-228-0x00007FF75EDB0000-0x00007FF75F101000-memory.dmp

        memory/1616-151-0x00007FF75EDB0000-0x00007FF75F101000-memory.dmp

        memory/1616-113-0x00007FF75EDB0000-0x00007FF75F101000-memory.dmp

        memory/1944-138-0x00007FF732B90000-0x00007FF732EE1000-memory.dmp

        memory/1944-60-0x00007FF732B90000-0x00007FF732EE1000-memory.dmp

        memory/1944-214-0x00007FF732B90000-0x00007FF732EE1000-memory.dmp

        memory/2044-225-0x00007FF7032D0000-0x00007FF703621000-memory.dmp

        memory/2044-84-0x00007FF7032D0000-0x00007FF703621000-memory.dmp

        memory/2104-35-0x00007FF7BCEB0000-0x00007FF7BD201000-memory.dmp

        memory/2104-134-0x00007FF7BCEB0000-0x00007FF7BD201000-memory.dmp

        memory/2104-203-0x00007FF7BCEB0000-0x00007FF7BD201000-memory.dmp

        memory/2888-153-0x00007FF71F5F0000-0x00007FF71F941000-memory.dmp

        memory/2888-236-0x00007FF71F5F0000-0x00007FF71F941000-memory.dmp

        memory/2888-115-0x00007FF71F5F0000-0x00007FF71F941000-memory.dmp

        memory/2988-207-0x00007FF7D7C60000-0x00007FF7D7FB1000-memory.dmp

        memory/2988-135-0x00007FF7D7C60000-0x00007FF7D7FB1000-memory.dmp

        memory/2988-40-0x00007FF7D7C60000-0x00007FF7D7FB1000-memory.dmp

        memory/3076-211-0x00007FF69EEE0000-0x00007FF69F231000-memory.dmp

        memory/3076-77-0x00007FF69EEE0000-0x00007FF69F231000-memory.dmp

        memory/3132-74-0x00007FF6F7270000-0x00007FF6F75C1000-memory.dmp

        memory/3132-220-0x00007FF6F7270000-0x00007FF6F75C1000-memory.dmp

        memory/3132-144-0x00007FF6F7270000-0x00007FF6F75C1000-memory.dmp

        memory/3268-98-0x00007FF7F8BF0000-0x00007FF7F8F41000-memory.dmp

        memory/3268-230-0x00007FF7F8BF0000-0x00007FF7F8F41000-memory.dmp

        memory/3268-150-0x00007FF7F8BF0000-0x00007FF7F8F41000-memory.dmp

        memory/4016-205-0x00007FF603880000-0x00007FF603BD1000-memory.dmp

        memory/4016-51-0x00007FF603880000-0x00007FF603BD1000-memory.dmp

        memory/4044-199-0x00007FF6BA010000-0x00007FF6BA361000-memory.dmp

        memory/4044-16-0x00007FF6BA010000-0x00007FF6BA361000-memory.dmp

        memory/4044-132-0x00007FF6BA010000-0x00007FF6BA361000-memory.dmp

        memory/4248-125-0x00007FF671A60000-0x00007FF671DB1000-memory.dmp

        memory/4248-235-0x00007FF671A60000-0x00007FF671DB1000-memory.dmp

        memory/4460-197-0x00007FF69B590000-0x00007FF69B8E1000-memory.dmp

        memory/4460-6-0x00007FF69B590000-0x00007FF69B8E1000-memory.dmp

        memory/4460-129-0x00007FF69B590000-0x00007FF69B8E1000-memory.dmp

        memory/4532-234-0x00007FF6E6860000-0x00007FF6E6BB1000-memory.dmp

        memory/4532-128-0x00007FF6E6860000-0x00007FF6E6BB1000-memory.dmp

        memory/4572-67-0x00007FF7F5970000-0x00007FF7F5CC1000-memory.dmp

        memory/4572-140-0x00007FF7F5970000-0x00007FF7F5CC1000-memory.dmp

        memory/4572-215-0x00007FF7F5970000-0x00007FF7F5CC1000-memory.dmp

        memory/4824-39-0x00007FF6B1C10000-0x00007FF6B1F61000-memory.dmp

        memory/4824-137-0x00007FF6B1C10000-0x00007FF6B1F61000-memory.dmp

        memory/4824-210-0x00007FF6B1C10000-0x00007FF6B1F61000-memory.dmp

        memory/4988-28-0x00007FF779E10000-0x00007FF77A161000-memory.dmp

        memory/4988-133-0x00007FF779E10000-0x00007FF77A161000-memory.dmp

        memory/4988-201-0x00007FF779E10000-0x00007FF77A161000-memory.dmp