Analysis

  • max time kernel
    146s
  • max time network
    151s
  • 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, 00:29

General

  • Target
    2024-05-28_237e1a2bb744a42e323d3f2ad95ad731_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240528-ataedsff81
  • SHA256 135e9249063156762d926a14e2966b308fa5e9b7a3f82d5be77a7f815ac3e795
  • 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_237e1a2bb744a42e323d3f2ad95ad731_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-28_237e1a2bb744a42e323d3f2ad95ad731_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Windows\System\OWiuSUQ.exe
      C:\Windows\System\OWiuSUQ.exe
      2⤵
      • Executes dropped EXE
      PID:4532
    • C:\Windows\System\YBaOXsg.exe
      C:\Windows\System\YBaOXsg.exe
      2⤵
      • Executes dropped EXE
      PID:4344
    • C:\Windows\System\zYVIDGu.exe
      C:\Windows\System\zYVIDGu.exe
      2⤵
      • Executes dropped EXE
      PID:4076
    • C:\Windows\System\PrTfizf.exe
      C:\Windows\System\PrTfizf.exe
      2⤵
      • Executes dropped EXE
      PID:4100
    • C:\Windows\System\MMjHTAS.exe
      C:\Windows\System\MMjHTAS.exe
      2⤵
      • Executes dropped EXE
      PID:2300
    • C:\Windows\System\ZUemfZM.exe
      C:\Windows\System\ZUemfZM.exe
      2⤵
      • Executes dropped EXE
      PID:5044
    • C:\Windows\System\iZcYXmQ.exe
      C:\Windows\System\iZcYXmQ.exe
      2⤵
      • Executes dropped EXE
      PID:3300
    • C:\Windows\System\HkFpiIw.exe
      C:\Windows\System\HkFpiIw.exe
      2⤵
      • Executes dropped EXE
      PID:1468
    • C:\Windows\System\CnCoslk.exe
      C:\Windows\System\CnCoslk.exe
      2⤵
      • Executes dropped EXE
      PID:1556
    • C:\Windows\System\SQrUXoM.exe
      C:\Windows\System\SQrUXoM.exe
      2⤵
      • Executes dropped EXE
      PID:5108
    • C:\Windows\System\yGiqPGj.exe
      C:\Windows\System\yGiqPGj.exe
      2⤵
      • Executes dropped EXE
      PID:3312
    • C:\Windows\System\OImqiIe.exe
      C:\Windows\System\OImqiIe.exe
      2⤵
      • Executes dropped EXE
      PID:4436
    • C:\Windows\System\QrJLUpk.exe
      C:\Windows\System\QrJLUpk.exe
      2⤵
      • Executes dropped EXE
      PID:3088
    • C:\Windows\System\odDKhve.exe
      C:\Windows\System\odDKhve.exe
      2⤵
      • Executes dropped EXE
      PID:5104
    • C:\Windows\System\fkFVkmB.exe
      C:\Windows\System\fkFVkmB.exe
      2⤵
      • Executes dropped EXE
      PID:1944
    • C:\Windows\System\dnVCErT.exe
      C:\Windows\System\dnVCErT.exe
      2⤵
      • Executes dropped EXE
      PID:876
    • C:\Windows\System\tkTOnfT.exe
      C:\Windows\System\tkTOnfT.exe
      2⤵
      • Executes dropped EXE
      PID:1076
    • C:\Windows\System\RKcPUZh.exe
      C:\Windows\System\RKcPUZh.exe
      2⤵
      • Executes dropped EXE
      PID:4596
    • C:\Windows\System\yiFMbhR.exe
      C:\Windows\System\yiFMbhR.exe
      2⤵
      • Executes dropped EXE
      PID:1136
    • C:\Windows\System\SAuVqtP.exe
      C:\Windows\System\SAuVqtP.exe
      2⤵
      • Executes dropped EXE
      PID:4336
    • C:\Windows\System\oSEqirU.exe
      C:\Windows\System\oSEqirU.exe
      2⤵
      • Executes dropped EXE
      PID:3544

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CnCoslk.exe

        • Path C:\Windows\System\CnCoslk.exe
        • Size 5.9MB
        • SHA256 726db08e78edacba73dd16c68de60378b991dcd45bdf4dac58eeb9ef64ae1896
        • MD5 SHA1 SHA512 SSDEEP

        HkFpiIw.exe

        • Path C:\Windows\System\HkFpiIw.exe
        • Size 5.9MB
        • SHA256 3196c580123ffabfcafc4c861ad87d43d64c1b19cd2797b93d5766033b22f5f7
        • MD5 SHA1 SHA512 SSDEEP

        MMjHTAS.exe

        • Path C:\Windows\System\MMjHTAS.exe
        • Size 5.9MB
        • SHA256 a57ea13bd797b8bb34ffff6712edab841e995891d24eeae083346654106e74f7
        • MD5 SHA1 SHA512 SSDEEP

        OImqiIe.exe

        • Path C:\Windows\System\OImqiIe.exe
        • Size 5.9MB
        • SHA256 9b2a17203c9d47e65266d830f2e1005857eb09baaa6b3c3a36b73c64ca63f616
        • MD5 SHA1 SHA512 SSDEEP

        OWiuSUQ.exe

        • Path C:\Windows\System\OWiuSUQ.exe
        • Size 5.9MB
        • SHA256 1c8a3383072cac2f327eaabdc02a02c2cf33d84b01e3f50d8093bb70ecb22f09
        • MD5 SHA1 SHA512 SSDEEP

        PrTfizf.exe

        • Path C:\Windows\System\PrTfizf.exe
        • Size 5.9MB
        • SHA256 e4eda94e7de84e24d471dc6644cc77881a6cb8c7ef89c597380b97149da5768a
        • MD5 SHA1 SHA512 SSDEEP

        QrJLUpk.exe

        • Path C:\Windows\System\QrJLUpk.exe
        • Size 5.9MB
        • SHA256 4d800fc4de25da4a048e79489938197199ac6b01c87427bcfee2ac559297bfa0
        • MD5 SHA1 SHA512 SSDEEP

        RKcPUZh.exe

        • Path C:\Windows\System\RKcPUZh.exe
        • Size 5.9MB
        • SHA256 d4a0f3472bc6f9fc9e842c1dd623ce59db52cf82adc24c49cbee6f649e9b931b
        • MD5 SHA1 SHA512 SSDEEP

        SAuVqtP.exe

        • Path C:\Windows\System\SAuVqtP.exe
        • Size 5.9MB
        • SHA256 fe9a9220c23cb58be821bc4c4c5a9532d1923d22b746fe9306474cae75dc2ad1
        • MD5 SHA1 SHA512 SSDEEP

        SQrUXoM.exe

        • Path C:\Windows\System\SQrUXoM.exe
        • Size 5.9MB
        • SHA256 658086ef3b923d739b68a9db9649cc127e4a275b08adbfc63e7a111ef7a0a7db
        • MD5 SHA1 SHA512 SSDEEP

        YBaOXsg.exe

        • Path C:\Windows\System\YBaOXsg.exe
        • Size 5.9MB
        • SHA256 4bce28c52972b4401611354d5e5315e7ef0bcd32a4f6673138892dc325ef20ca
        • MD5 SHA1 SHA512 SSDEEP

        ZUemfZM.exe

        • Path C:\Windows\System\ZUemfZM.exe
        • Size 5.9MB
        • SHA256 de7879c44f00ea2a1af2cf14ed4b24468d6695211d8f798ca108850b762ecd14
        • MD5 SHA1 SHA512 SSDEEP

        dnVCErT.exe

        • Path C:\Windows\System\dnVCErT.exe
        • Size 5.9MB
        • SHA256 b2309c95471324d12ed7ed011b183836601e757fc00be0e36418ed87437570b8
        • MD5 SHA1 SHA512 SSDEEP

        fkFVkmB.exe

        • Path C:\Windows\System\fkFVkmB.exe
        • Size 5.9MB
        • SHA256 befa224d8c4ba9ae48f1b72173fda57ddfad2e4748c8e0b6d86b32e03e15d78e
        • MD5 SHA1 SHA512 SSDEEP

        iZcYXmQ.exe

        • Path C:\Windows\System\iZcYXmQ.exe
        • Size 5.9MB
        • SHA256 8b83b58701e7a1416c042a75eaa0e715962d7531e5f240013e581f67a32e9b8b
        • MD5 SHA1 SHA512 SSDEEP

        oSEqirU.exe

        • Path C:\Windows\System\oSEqirU.exe
        • Size 5.9MB
        • SHA256 f46454c9dbc59d9336c86204ef334c9358d5d688912a4407de3c8ba2f27836dd
        • MD5 SHA1 SHA512 SSDEEP

        odDKhve.exe

        • Path C:\Windows\System\odDKhve.exe
        • Size 5.9MB
        • SHA256 03ef411b631a7e6f7288b4ac647b622556096fc1b8d361f70da110b8d052994f
        • MD5 SHA1 SHA512 SSDEEP

        tkTOnfT.exe

        • Path C:\Windows\System\tkTOnfT.exe
        • Size 5.9MB
        • SHA256 f8f7528ecce3595550b3feed2d298ed70709a051e14716e44abeabbbe3021fc8
        • MD5 SHA1 SHA512 SSDEEP

        yGiqPGj.exe

        • Path C:\Windows\System\yGiqPGj.exe
        • Size 5.9MB
        • SHA256 af84e13b91c7272a777025af483a98b3c6806e9e3812878edcebd2b8352696f3
        • MD5 SHA1 SHA512 SSDEEP

        yiFMbhR.exe

        • Path C:\Windows\System\yiFMbhR.exe
        • Size 5.9MB
        • SHA256 322fe13e993c932b3e185562df8a0f0dd577e8eaedaf786f64554fee54ef19c4
        • MD5 SHA1 SHA512 SSDEEP

        zYVIDGu.exe

        • Path C:\Windows\System\zYVIDGu.exe
        • Size 5.9MB
        • SHA256 9527dc08e77ce8e3ded40ab9b11b3fed9a2d95584ad8b81540a380a791194ac6
        • MD5 SHA1 SHA512 SSDEEP

        memory/876-104-0x00007FF669320000-0x00007FF669674000-memory.dmp

        memory/876-155-0x00007FF669320000-0x00007FF669674000-memory.dmp

        memory/1076-137-0x00007FF670A60000-0x00007FF670DB4000-memory.dmp

        memory/1076-112-0x00007FF670A60000-0x00007FF670DB4000-memory.dmp

        memory/1076-157-0x00007FF670A60000-0x00007FF670DB4000-memory.dmp

        memory/1136-139-0x00007FF6F4460000-0x00007FF6F47B4000-memory.dmp

        memory/1136-117-0x00007FF6F4460000-0x00007FF6F47B4000-memory.dmp

        memory/1136-160-0x00007FF6F4460000-0x00007FF6F47B4000-memory.dmp

        memory/1468-58-0x00007FF66B630000-0x00007FF66B984000-memory.dmp

        memory/1468-145-0x00007FF66B630000-0x00007FF66B984000-memory.dmp

        memory/1556-150-0x00007FF7A1280000-0x00007FF7A15D4000-memory.dmp

        memory/1556-133-0x00007FF7A1280000-0x00007FF7A15D4000-memory.dmp

        memory/1556-59-0x00007FF7A1280000-0x00007FF7A15D4000-memory.dmp

        memory/1944-136-0x00007FF6F75A0000-0x00007FF6F78F4000-memory.dmp

        memory/1944-91-0x00007FF6F75A0000-0x00007FF6F78F4000-memory.dmp

        memory/1944-156-0x00007FF6F75A0000-0x00007FF6F78F4000-memory.dmp

        memory/2300-38-0x00007FF6A96C0000-0x00007FF6A9A14000-memory.dmp

        memory/2300-148-0x00007FF6A96C0000-0x00007FF6A9A14000-memory.dmp

        memory/2300-126-0x00007FF6A96C0000-0x00007FF6A9A14000-memory.dmp

        memory/3088-87-0x00007FF6BFE10000-0x00007FF6C0164000-memory.dmp

        memory/3088-153-0x00007FF6BFE10000-0x00007FF6C0164000-memory.dmp

        memory/3300-146-0x00007FF63BF00000-0x00007FF63C254000-memory.dmp

        memory/3300-55-0x00007FF63BF00000-0x00007FF63C254000-memory.dmp

        memory/3312-134-0x00007FF6EB7E0000-0x00007FF6EBB34000-memory.dmp

        memory/3312-64-0x00007FF6EB7E0000-0x00007FF6EBB34000-memory.dmp

        memory/3312-151-0x00007FF6EB7E0000-0x00007FF6EBB34000-memory.dmp

        memory/3544-128-0x00007FF664120000-0x00007FF664474000-memory.dmp

        memory/3544-140-0x00007FF664120000-0x00007FF664474000-memory.dmp

        memory/3544-161-0x00007FF664120000-0x00007FF664474000-memory.dmp

        memory/4076-108-0x00007FF7F6760000-0x00007FF7F6AB4000-memory.dmp

        memory/4076-23-0x00007FF7F6760000-0x00007FF7F6AB4000-memory.dmp

        memory/4076-143-0x00007FF7F6760000-0x00007FF7F6AB4000-memory.dmp

        memory/4100-26-0x00007FF736E00000-0x00007FF737154000-memory.dmp

        memory/4100-127-0x00007FF736E00000-0x00007FF737154000-memory.dmp

        memory/4100-144-0x00007FF736E00000-0x00007FF737154000-memory.dmp

        memory/4336-125-0x00007FF6C9910000-0x00007FF6C9C64000-memory.dmp

        memory/4336-158-0x00007FF6C9910000-0x00007FF6C9C64000-memory.dmp

        memory/4344-15-0x00007FF642FB0000-0x00007FF643304000-memory.dmp

        memory/4344-113-0x00007FF642FB0000-0x00007FF643304000-memory.dmp

        memory/4344-142-0x00007FF642FB0000-0x00007FF643304000-memory.dmp

        memory/4436-76-0x00007FF668950000-0x00007FF668CA4000-memory.dmp

        memory/4436-152-0x00007FF668950000-0x00007FF668CA4000-memory.dmp

        memory/4436-135-0x00007FF668950000-0x00007FF668CA4000-memory.dmp

        memory/4504-1-0x0000020EEDA60000-0x0000020EEDA70000-memory.dmp

        memory/4504-0-0x00007FF78A540000-0x00007FF78A894000-memory.dmp

        memory/4504-98-0x00007FF78A540000-0x00007FF78A894000-memory.dmp

        memory/4532-8-0x00007FF7221D0000-0x00007FF722524000-memory.dmp

        memory/4532-141-0x00007FF7221D0000-0x00007FF722524000-memory.dmp

        memory/4596-116-0x00007FF66B3C0000-0x00007FF66B714000-memory.dmp

        memory/4596-159-0x00007FF66B3C0000-0x00007FF66B714000-memory.dmp

        memory/4596-138-0x00007FF66B3C0000-0x00007FF66B714000-memory.dmp

        memory/5044-67-0x00007FF773C80000-0x00007FF773FD4000-memory.dmp

        memory/5044-147-0x00007FF773C80000-0x00007FF773FD4000-memory.dmp

        memory/5104-88-0x00007FF739650000-0x00007FF7399A4000-memory.dmp

        memory/5104-154-0x00007FF739650000-0x00007FF7399A4000-memory.dmp

        memory/5108-68-0x00007FF72F210000-0x00007FF72F564000-memory.dmp

        memory/5108-149-0x00007FF72F210000-0x00007FF72F564000-memory.dmp