Analysis

  • max time kernel
    148s
  • max time network
    158s
  • 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, 00:56

General

  • Target
    2024-05-28_576f61a7d6ff4e74f34f920dc840c756_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240528-bajpdshf64
  • SHA256 823c689f0983ad779288780d78e82768d169cab528133ac1b122717cd56b19bd
  • 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_576f61a7d6ff4e74f34f920dc840c756_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-28_576f61a7d6ff4e74f34f920dc840c756_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4456
    • C:\Windows\System\QsWaEoK.exe
      C:\Windows\System\QsWaEoK.exe
      2⤵
      • Executes dropped EXE
      PID:2436
    • C:\Windows\System\zoEFIDW.exe
      C:\Windows\System\zoEFIDW.exe
      2⤵
      • Executes dropped EXE
      PID:4920
    • C:\Windows\System\eoJDYkO.exe
      C:\Windows\System\eoJDYkO.exe
      2⤵
      • Executes dropped EXE
      PID:1868
    • C:\Windows\System\VCrSYeN.exe
      C:\Windows\System\VCrSYeN.exe
      2⤵
      • Executes dropped EXE
      PID:3820
    • C:\Windows\System\LDQDFMV.exe
      C:\Windows\System\LDQDFMV.exe
      2⤵
      • Executes dropped EXE
      PID:2108
    • C:\Windows\System\LaXNniS.exe
      C:\Windows\System\LaXNniS.exe
      2⤵
      • Executes dropped EXE
      PID:1052
    • C:\Windows\System\qpNHRjC.exe
      C:\Windows\System\qpNHRjC.exe
      2⤵
      • Executes dropped EXE
      PID:3568
    • C:\Windows\System\Lfjnytt.exe
      C:\Windows\System\Lfjnytt.exe
      2⤵
      • Executes dropped EXE
      PID:4732
    • C:\Windows\System\bSKrivd.exe
      C:\Windows\System\bSKrivd.exe
      2⤵
      • Executes dropped EXE
      PID:2472
    • C:\Windows\System\ryDulIN.exe
      C:\Windows\System\ryDulIN.exe
      2⤵
      • Executes dropped EXE
      PID:3756
    • C:\Windows\System\HCZttgr.exe
      C:\Windows\System\HCZttgr.exe
      2⤵
      • Executes dropped EXE
      PID:948
    • C:\Windows\System\VeRLMqJ.exe
      C:\Windows\System\VeRLMqJ.exe
      2⤵
      • Executes dropped EXE
      PID:1340
    • C:\Windows\System\RwVnATw.exe
      C:\Windows\System\RwVnATw.exe
      2⤵
      • Executes dropped EXE
      PID:3320
    • C:\Windows\System\rykWzCt.exe
      C:\Windows\System\rykWzCt.exe
      2⤵
      • Executes dropped EXE
      PID:4836
    • C:\Windows\System\SurEZVa.exe
      C:\Windows\System\SurEZVa.exe
      2⤵
      • Executes dropped EXE
      PID:4724
    • C:\Windows\System\rvetUkF.exe
      C:\Windows\System\rvetUkF.exe
      2⤵
      • Executes dropped EXE
      PID:4692
    • C:\Windows\System\jiaeAQZ.exe
      C:\Windows\System\jiaeAQZ.exe
      2⤵
      • Executes dropped EXE
      PID:1524
    • C:\Windows\System\pRDodJP.exe
      C:\Windows\System\pRDodJP.exe
      2⤵
      • Executes dropped EXE
      PID:3864
    • C:\Windows\System\eQOxkbJ.exe
      C:\Windows\System\eQOxkbJ.exe
      2⤵
      • Executes dropped EXE
      PID:1912
    • C:\Windows\System\dAkVUDh.exe
      C:\Windows\System\dAkVUDh.exe
      2⤵
      • Executes dropped EXE
      PID:4048
    • C:\Windows\System\lqVkFiw.exe
      C:\Windows\System\lqVkFiw.exe
      2⤵
      • Executes dropped EXE
      PID:3620

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        HCZttgr.exe

        • Path C:\Windows\System\HCZttgr.exe
        • Size 5.9MB
        • SHA256 9e8b46c2f42aeb3cc0349cfdd6174335c67e4e12f50e641ee733284f680192b7
        • MD5 SHA1 SHA512 SSDEEP

        LDQDFMV.exe

        • Path C:\Windows\System\LDQDFMV.exe
        • Size 5.9MB
        • SHA256 d20bb6a749c80650ae4a18ac7a9be6d18f14376c57e8ef0285a2cf21d6e7401b
        • MD5 SHA1 SHA512 SSDEEP

        LaXNniS.exe

        • Path C:\Windows\System\LaXNniS.exe
        • Size 5.9MB
        • SHA256 7360ef1cbefff515ab69530cf26f3219daff65f102038d4fdd6e7783af3f5c60
        • MD5 SHA1 SHA512 SSDEEP

        Lfjnytt.exe

        • Path C:\Windows\System\Lfjnytt.exe
        • Size 5.9MB
        • SHA256 f2dd6aeb60cbd88acbd2a53328908ef3c42c5dda0df8a2b39d3dd16838073c2a
        • MD5 SHA1 SHA512 SSDEEP

        QsWaEoK.exe

        • Path C:\Windows\System\QsWaEoK.exe
        • Size 5.9MB
        • SHA256 93350cf89f6d1390bd5907802c834fe646316d1cadc4d3999c4ccaa81b306add
        • MD5 SHA1 SHA512 SSDEEP

        RwVnATw.exe

        • Path C:\Windows\System\RwVnATw.exe
        • Size 5.9MB
        • SHA256 7d6379a036ff4b73cdd75f8a03fff5064cd3f2c2ae402b88d565aca07db98c5d
        • MD5 SHA1 SHA512 SSDEEP

        SurEZVa.exe

        • Path C:\Windows\System\SurEZVa.exe
        • Size 5.9MB
        • SHA256 ea850fbdda59ea5b6df4804aa55f0630bbcd94d904d3e51150c1c536f91a3b58
        • MD5 SHA1 SHA512 SSDEEP

        VCrSYeN.exe

        • Path C:\Windows\System\VCrSYeN.exe
        • Size 5.9MB
        • SHA256 040d191decf06fb9be3d4013c3f676c3ef509ebeca638b0718ff48d1ff62949f
        • MD5 SHA1 SHA512 SSDEEP

        VeRLMqJ.exe

        • Path C:\Windows\System\VeRLMqJ.exe
        • Size 5.9MB
        • SHA256 5ac6852a428c7a1884c24456c7893598b7cf2751477b7e4423a0712ff274d817
        • MD5 SHA1 SHA512 SSDEEP

        bSKrivd.exe

        • Path C:\Windows\System\bSKrivd.exe
        • Size 5.9MB
        • SHA256 88c24687be45d2150df52462f5ca62701b67ae11577e66346456546c528d6c0f
        • MD5 SHA1 SHA512 SSDEEP

        dAkVUDh.exe

        • Path C:\Windows\System\dAkVUDh.exe
        • Size 5.9MB
        • SHA256 76b318a45e3e76bd4d6b7858917cf4bdb283ecaf49dc09b878337f1f57a1143b
        • MD5 SHA1 SHA512 SSDEEP

        eQOxkbJ.exe

        • Path C:\Windows\System\eQOxkbJ.exe
        • Size 5.9MB
        • SHA256 bfd8709b7d28acd6e99e4f97d51ef079d19445c3b9f3a5c4fe4360ee49f45a9f
        • MD5 SHA1 SHA512 SSDEEP

        eoJDYkO.exe

        • Path C:\Windows\System\eoJDYkO.exe
        • Size 5.9MB
        • SHA256 9d223634dba116c5b11c99d77c80e4a83c7316b9485792a70b7a7fc445596c09
        • MD5 SHA1 SHA512 SSDEEP

        jiaeAQZ.exe

        • Path C:\Windows\System\jiaeAQZ.exe
        • Size 5.9MB
        • SHA256 c2885eef291a33555efa03c73e791e278715b8465ec97aadbeedb6b94dad03b6
        • MD5 SHA1 SHA512 SSDEEP

        lqVkFiw.exe

        • Path C:\Windows\System\lqVkFiw.exe
        • Size 5.9MB
        • SHA256 b88a34f3ef847211660ff4e39564861769cdb20904f9b5bee65e83c958f53f5c
        • MD5 SHA1 SHA512 SSDEEP

        pRDodJP.exe

        • Path C:\Windows\System\pRDodJP.exe
        • Size 5.9MB
        • SHA256 d7240bfc17fadd3b9eb99577784f222fe9376fd35fc823127b9d79ccc1270a61
        • MD5 SHA1 SHA512 SSDEEP

        qpNHRjC.exe

        • Path C:\Windows\System\qpNHRjC.exe
        • Size 5.9MB
        • SHA256 f9586f4cfe7447b375f18eb23a2cba5a06316190ae7d529d976157f0050f90f8
        • MD5 SHA1 SHA512 SSDEEP

        rvetUkF.exe

        • Path C:\Windows\System\rvetUkF.exe
        • Size 5.9MB
        • SHA256 e6a3f88057abe86c70121c4eef7da9bde88f6b96657d87b119d148a40f860924
        • MD5 SHA1 SHA512 SSDEEP

        ryDulIN.exe

        • Path C:\Windows\System\ryDulIN.exe
        • Size 5.9MB
        • SHA256 322b512d964a7976059396e601cb60a1e153d8a7629586b89bf22476f5557baa
        • MD5 SHA1 SHA512 SSDEEP

        rykWzCt.exe

        • Path C:\Windows\System\rykWzCt.exe
        • Size 5.9MB
        • SHA256 124c6db413a453a7ffc3e03f040b05422133fe18c8344862967dd6017a3adf43
        • MD5 SHA1 SHA512 SSDEEP

        zoEFIDW.exe

        • Path C:\Windows\System\zoEFIDW.exe
        • Size 5.9MB
        • SHA256 29d846aa178c6d53c0f38efa9c88fd6d03ca30e93d08153087218d11e9252e58
        • MD5 SHA1 SHA512 SSDEEP

        memory/948-142-0x00007FF7DEBD0000-0x00007FF7DEF24000-memory.dmp

        memory/948-116-0x00007FF7DEBD0000-0x00007FF7DEF24000-memory.dmp

        memory/1052-127-0x00007FF7510D0000-0x00007FF751424000-memory.dmp

        memory/1052-136-0x00007FF7510D0000-0x00007FF751424000-memory.dmp

        memory/1340-117-0x00007FF655170000-0x00007FF6554C4000-memory.dmp

        memory/1340-141-0x00007FF655170000-0x00007FF6554C4000-memory.dmp

        memory/1524-122-0x00007FF702660000-0x00007FF7029B4000-memory.dmp

        memory/1524-147-0x00007FF702660000-0x00007FF7029B4000-memory.dmp

        memory/1868-133-0x00007FF7B1FF0000-0x00007FF7B2344000-memory.dmp

        memory/1868-20-0x00007FF7B1FF0000-0x00007FF7B2344000-memory.dmp

        memory/1912-124-0x00007FF6D7BD0000-0x00007FF6D7F24000-memory.dmp

        memory/1912-148-0x00007FF6D7BD0000-0x00007FF6D7F24000-memory.dmp

        memory/2108-135-0x00007FF6FA2E0000-0x00007FF6FA634000-memory.dmp

        memory/2108-32-0x00007FF6FA2E0000-0x00007FF6FA634000-memory.dmp

        memory/2436-131-0x00007FF7D9CD0000-0x00007FF7DA024000-memory.dmp

        memory/2436-10-0x00007FF7D9CD0000-0x00007FF7DA024000-memory.dmp

        memory/2436-129-0x00007FF7D9CD0000-0x00007FF7DA024000-memory.dmp

        memory/2472-138-0x00007FF7426E0000-0x00007FF742A34000-memory.dmp

        memory/2472-114-0x00007FF7426E0000-0x00007FF742A34000-memory.dmp

        memory/3320-118-0x00007FF6F8F90000-0x00007FF6F92E4000-memory.dmp

        memory/3320-140-0x00007FF6F8F90000-0x00007FF6F92E4000-memory.dmp

        memory/3568-137-0x00007FF6BD9F0000-0x00007FF6BDD44000-memory.dmp

        memory/3568-112-0x00007FF6BD9F0000-0x00007FF6BDD44000-memory.dmp

        memory/3620-145-0x00007FF6EFEA0000-0x00007FF6F01F4000-memory.dmp

        memory/3620-126-0x00007FF6EFEA0000-0x00007FF6F01F4000-memory.dmp

        memory/3756-143-0x00007FF7D9370000-0x00007FF7D96C4000-memory.dmp

        memory/3756-115-0x00007FF7D9370000-0x00007FF7D96C4000-memory.dmp

        memory/3820-26-0x00007FF66E970000-0x00007FF66ECC4000-memory.dmp

        memory/3820-134-0x00007FF66E970000-0x00007FF66ECC4000-memory.dmp

        memory/3864-150-0x00007FF7BF0A0000-0x00007FF7BF3F4000-memory.dmp

        memory/3864-123-0x00007FF7BF0A0000-0x00007FF7BF3F4000-memory.dmp

        memory/4048-125-0x00007FF65EC90000-0x00007FF65EFE4000-memory.dmp

        memory/4048-151-0x00007FF65EC90000-0x00007FF65EFE4000-memory.dmp

        memory/4456-128-0x00007FF771410000-0x00007FF771764000-memory.dmp

        memory/4456-0-0x00007FF771410000-0x00007FF771764000-memory.dmp

        memory/4456-1-0x0000020783680000-0x0000020783690000-memory.dmp

        memory/4692-146-0x00007FF7D0A50000-0x00007FF7D0DA4000-memory.dmp

        memory/4692-121-0x00007FF7D0A50000-0x00007FF7D0DA4000-memory.dmp

        memory/4724-149-0x00007FF6E3070000-0x00007FF6E33C4000-memory.dmp

        memory/4724-120-0x00007FF6E3070000-0x00007FF6E33C4000-memory.dmp

        memory/4732-113-0x00007FF70E350000-0x00007FF70E6A4000-memory.dmp

        memory/4732-139-0x00007FF70E350000-0x00007FF70E6A4000-memory.dmp

        memory/4836-144-0x00007FF6565F0000-0x00007FF656944000-memory.dmp

        memory/4836-119-0x00007FF6565F0000-0x00007FF656944000-memory.dmp

        memory/4920-14-0x00007FF6DEC80000-0x00007FF6DEFD4000-memory.dmp

        memory/4920-130-0x00007FF6DEC80000-0x00007FF6DEFD4000-memory.dmp

        memory/4920-132-0x00007FF6DEC80000-0x00007FF6DEFD4000-memory.dmp