Analysis

  • max time kernel
    142s
  • 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
    27/05/2024, 14:46

General

  • Target
    2024-05-27_6e739e13df605eff6af51703cd532593_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240527-r5raqaha92
  • SHA256 29089adfda9ccc2019f7014ac91026460787cb6528012b4129ab46326f939974
  • 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\2024-05-27_6e739e13df605eff6af51703cd532593_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_6e739e13df605eff6af51703cd532593_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Windows\System\aiSytPT.exe
      C:\Windows\System\aiSytPT.exe
      2⤵
      • Executes dropped EXE
      PID:4496
    • C:\Windows\System\IszOJlx.exe
      C:\Windows\System\IszOJlx.exe
      2⤵
      • Executes dropped EXE
      PID:4176
    • C:\Windows\System\cVsONLf.exe
      C:\Windows\System\cVsONLf.exe
      2⤵
      • Executes dropped EXE
      PID:2852
    • C:\Windows\System\bpiFwaQ.exe
      C:\Windows\System\bpiFwaQ.exe
      2⤵
      • Executes dropped EXE
      PID:4204
    • C:\Windows\System\zuUkjEX.exe
      C:\Windows\System\zuUkjEX.exe
      2⤵
      • Executes dropped EXE
      PID:3692
    • C:\Windows\System\kXEhVIU.exe
      C:\Windows\System\kXEhVIU.exe
      2⤵
      • Executes dropped EXE
      PID:3028
    • C:\Windows\System\DZiXTSF.exe
      C:\Windows\System\DZiXTSF.exe
      2⤵
      • Executes dropped EXE
      PID:4216
    • C:\Windows\System\DiBCDDI.exe
      C:\Windows\System\DiBCDDI.exe
      2⤵
      • Executes dropped EXE
      PID:736
    • C:\Windows\System\VLhLiTO.exe
      C:\Windows\System\VLhLiTO.exe
      2⤵
      • Executes dropped EXE
      PID:836
    • C:\Windows\System\PgGfBin.exe
      C:\Windows\System\PgGfBin.exe
      2⤵
      • Executes dropped EXE
      PID:2320
    • C:\Windows\System\hSdRUct.exe
      C:\Windows\System\hSdRUct.exe
      2⤵
      • Executes dropped EXE
      PID:1788
    • C:\Windows\System\GYJyTUc.exe
      C:\Windows\System\GYJyTUc.exe
      2⤵
      • Executes dropped EXE
      PID:1600
    • C:\Windows\System\YJkvXXR.exe
      C:\Windows\System\YJkvXXR.exe
      2⤵
      • Executes dropped EXE
      PID:2040
    • C:\Windows\System\NdlaDrd.exe
      C:\Windows\System\NdlaDrd.exe
      2⤵
      • Executes dropped EXE
      PID:2088
    • C:\Windows\System\aIpMIYd.exe
      C:\Windows\System\aIpMIYd.exe
      2⤵
      • Executes dropped EXE
      PID:2336
    • C:\Windows\System\KazkJaU.exe
      C:\Windows\System\KazkJaU.exe
      2⤵
      • Executes dropped EXE
      PID:1628
    • C:\Windows\System\ObCPFxy.exe
      C:\Windows\System\ObCPFxy.exe
      2⤵
      • Executes dropped EXE
      PID:3768
    • C:\Windows\System\rPdHRQw.exe
      C:\Windows\System\rPdHRQw.exe
      2⤵
      • Executes dropped EXE
      PID:3508
    • C:\Windows\System\ckpWaJk.exe
      C:\Windows\System\ckpWaJk.exe
      2⤵
      • Executes dropped EXE
      PID:4776
    • C:\Windows\System\ShDFkdk.exe
      C:\Windows\System\ShDFkdk.exe
      2⤵
      • Executes dropped EXE
      PID:5060
    • C:\Windows\System\AjQNvta.exe
      C:\Windows\System\AjQNvta.exe
      2⤵
      • Executes dropped EXE
      PID:3896

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AjQNvta.exe

        • Path C:\Windows\System\AjQNvta.exe
        • Size 5.9MB
        • SHA256 84ee245c04bdbaaaed721e270d07c17168c678ecb5f55746cb9abe4871ffd1f9
        • MD5 SHA1 SHA512 SSDEEP

        DZiXTSF.exe

        • Path C:\Windows\System\DZiXTSF.exe
        • Size 5.9MB
        • SHA256 25adcb89c2834414fcc1dba818b14fa3194dc36a0e79609d08b6229398e7a08d
        • MD5 SHA1 SHA512 SSDEEP

        DiBCDDI.exe

        • Path C:\Windows\System\DiBCDDI.exe
        • Size 5.9MB
        • SHA256 676b9839ca5a903bea84b753ca13d98ff01f9c9328508ccfb21ef318177de079
        • MD5 SHA1 SHA512 SSDEEP

        GYJyTUc.exe

        • Path C:\Windows\System\GYJyTUc.exe
        • Size 5.9MB
        • SHA256 48f80a524dad7ea609273e55c580c886226fbf36909255ad4b04823f6b76fa09
        • MD5 SHA1 SHA512 SSDEEP

        IszOJlx.exe

        • Path C:\Windows\System\IszOJlx.exe
        • Size 5.9MB
        • SHA256 42bf858b7d07a47add2cb2d8c46d7121a2ba63e91747a7edd77bfbcba08ade50
        • MD5 SHA1 SHA512 SSDEEP

        KazkJaU.exe

        • Path C:\Windows\System\KazkJaU.exe
        • Size 5.9MB
        • SHA256 a8ddb0c2f1b9dbd0944682d7c007866b52eebe5ad84da15799a55bab58381b64
        • MD5 SHA1 SHA512 SSDEEP

        NdlaDrd.exe

        • Path C:\Windows\System\NdlaDrd.exe
        • Size 5.9MB
        • SHA256 5affeeb7f5eddbe9a1acaf29a45dc2ef3711ad3612c40fa1542afc80b02bc280
        • MD5 SHA1 SHA512 SSDEEP

        ObCPFxy.exe

        • Path C:\Windows\System\ObCPFxy.exe
        • Size 5.9MB
        • SHA256 aaf76b8d151773a65a51d638a77bd39f4d29e1de568421c9cdbeb2f426bdc95d
        • MD5 SHA1 SHA512 SSDEEP

        PgGfBin.exe

        • Path C:\Windows\System\PgGfBin.exe
        • Size 5.9MB
        • SHA256 70297e01457c5e1fe678b5b52ea937bb1e3946d90a5a15ae27e335c1b6e80a53
        • MD5 SHA1 SHA512 SSDEEP

        ShDFkdk.exe

        • Path C:\Windows\System\ShDFkdk.exe
        • Size 5.9MB
        • SHA256 4473afe1fe65174ee8888e521b970a1d7fa5f147ae39289f40a9e577166dfb20
        • MD5 SHA1 SHA512 SSDEEP

        VLhLiTO.exe

        • Path C:\Windows\System\VLhLiTO.exe
        • Size 5.9MB
        • SHA256 f98157c57ab52be38ae793c2248ca547d15de03767bc57c6d4f9250f6f2c1975
        • MD5 SHA1 SHA512 SSDEEP

        YJkvXXR.exe

        • Path C:\Windows\System\YJkvXXR.exe
        • Size 5.9MB
        • SHA256 e217fb0875d8e2728faaba78dd65b5da0a2bf75d0ea291f29d372399ad69defa
        • MD5 SHA1 SHA512 SSDEEP

        aIpMIYd.exe

        • Path C:\Windows\System\aIpMIYd.exe
        • Size 5.9MB
        • SHA256 3803b841591956e5d01c38f7e5ab324b0b767f66cd3b9ec84ed374d23c67ecde
        • MD5 SHA1 SHA512 SSDEEP

        aiSytPT.exe

        • Path C:\Windows\System\aiSytPT.exe
        • Size 5.9MB
        • SHA256 feec9f828d91406aaf9656cb1b5302e0d2de5ba802721aaf875dd0cb88246039
        • MD5 SHA1 SHA512 SSDEEP

        bpiFwaQ.exe

        • Path C:\Windows\System\bpiFwaQ.exe
        • Size 5.9MB
        • SHA256 743c7dc3a2758b4cfc17c8365cb82352c0c24ec7fb70d1b9be45b87c2126cee7
        • MD5 SHA1 SHA512 SSDEEP

        cVsONLf.exe

        • Path C:\Windows\System\cVsONLf.exe
        • Size 5.9MB
        • SHA256 6da00698d8de42d42e9525eafc56d3803046e74fbfac5028ce3c23927d8e4bb3
        • MD5 SHA1 SHA512 SSDEEP

        ckpWaJk.exe

        • Path C:\Windows\System\ckpWaJk.exe
        • Size 5.9MB
        • SHA256 a06271210b0aed91b3d93069f92289da1ba1544b0ffa2315759040916e80bfa0
        • MD5 SHA1 SHA512 SSDEEP

        hSdRUct.exe

        • Path C:\Windows\System\hSdRUct.exe
        • Size 5.9MB
        • SHA256 f4416d81a2da5769a6b038882dcffb1fda245dc436ec599544730980f863706b
        • MD5 SHA1 SHA512 SSDEEP

        kXEhVIU.exe

        • Path C:\Windows\System\kXEhVIU.exe
        • Size 5.9MB
        • SHA256 5ef11662838b1c19b50fbe2c6bbdf96e3ae7ec5433fcbd3b343059a4be902e9d
        • MD5 SHA1 SHA512 SSDEEP

        rPdHRQw.exe

        • Path C:\Windows\System\rPdHRQw.exe
        • Size 5.9MB
        • SHA256 172cfcd1ba5efdd246d4b49b2f0cfe50d7174183760f26d8f102e550ec34ea32
        • MD5 SHA1 SHA512 SSDEEP

        zuUkjEX.exe

        • Path C:\Windows\System\zuUkjEX.exe
        • Size 5.9MB
        • SHA256 fcd59933dc42bc5bae393397d4032a52929eb8651ab1d51ae3db1d5a8ed9f6ec
        • MD5 SHA1 SHA512 SSDEEP

        memory/736-53-0x00007FF7CB3D0000-0x00007FF7CB724000-memory.dmp

        memory/736-142-0x00007FF7CB3D0000-0x00007FF7CB724000-memory.dmp

        memory/836-54-0x00007FF6FA0E0000-0x00007FF6FA434000-memory.dmp

        memory/836-143-0x00007FF6FA0E0000-0x00007FF6FA434000-memory.dmp

        memory/836-134-0x00007FF6FA0E0000-0x00007FF6FA434000-memory.dmp

        memory/1600-118-0x00007FF6EA460000-0x00007FF6EA7B4000-memory.dmp

        memory/1600-146-0x00007FF6EA460000-0x00007FF6EA7B4000-memory.dmp

        memory/1628-148-0x00007FF63EE60000-0x00007FF63F1B4000-memory.dmp

        memory/1628-122-0x00007FF63EE60000-0x00007FF63F1B4000-memory.dmp

        memory/1788-117-0x00007FF627B40000-0x00007FF627E94000-memory.dmp

        memory/1788-145-0x00007FF627B40000-0x00007FF627E94000-memory.dmp

        memory/2040-147-0x00007FF7C1ED0000-0x00007FF7C2224000-memory.dmp

        memory/2040-119-0x00007FF7C1ED0000-0x00007FF7C2224000-memory.dmp

        memory/2088-150-0x00007FF7A4B10000-0x00007FF7A4E64000-memory.dmp

        memory/2088-120-0x00007FF7A4B10000-0x00007FF7A4E64000-memory.dmp

        memory/2320-116-0x00007FF7E5B70000-0x00007FF7E5EC4000-memory.dmp

        memory/2320-144-0x00007FF7E5B70000-0x00007FF7E5EC4000-memory.dmp

        memory/2336-149-0x00007FF7CB4E0000-0x00007FF7CB834000-memory.dmp

        memory/2336-121-0x00007FF7CB4E0000-0x00007FF7CB834000-memory.dmp

        memory/2852-130-0x00007FF74DC80000-0x00007FF74DFD4000-memory.dmp

        memory/2852-137-0x00007FF74DC80000-0x00007FF74DFD4000-memory.dmp

        memory/2852-18-0x00007FF74DC80000-0x00007FF74DFD4000-memory.dmp

        memory/3028-35-0x00007FF628FF0000-0x00007FF629344000-memory.dmp

        memory/3028-140-0x00007FF628FF0000-0x00007FF629344000-memory.dmp

        memory/3028-132-0x00007FF628FF0000-0x00007FF629344000-memory.dmp

        memory/3508-155-0x00007FF6F6F80000-0x00007FF6F72D4000-memory.dmp

        memory/3508-124-0x00007FF6F6F80000-0x00007FF6F72D4000-memory.dmp

        memory/3620-128-0x00007FF614BB0000-0x00007FF614F04000-memory.dmp

        memory/3620-1-0x000001C8C03B0000-0x000001C8C03C0000-memory.dmp

        memory/3620-0-0x00007FF614BB0000-0x00007FF614F04000-memory.dmp

        memory/3692-138-0x00007FF716160000-0x00007FF7164B4000-memory.dmp

        memory/3692-34-0x00007FF716160000-0x00007FF7164B4000-memory.dmp

        memory/3768-151-0x00007FF7814F0000-0x00007FF781844000-memory.dmp

        memory/3768-123-0x00007FF7814F0000-0x00007FF781844000-memory.dmp

        memory/3896-152-0x00007FF7435F0000-0x00007FF743944000-memory.dmp

        memory/3896-127-0x00007FF7435F0000-0x00007FF743944000-memory.dmp

        memory/4176-129-0x00007FF60C920000-0x00007FF60CC74000-memory.dmp

        memory/4176-136-0x00007FF60C920000-0x00007FF60CC74000-memory.dmp

        memory/4176-17-0x00007FF60C920000-0x00007FF60CC74000-memory.dmp

        memory/4204-131-0x00007FF7065E0000-0x00007FF706934000-memory.dmp

        memory/4204-24-0x00007FF7065E0000-0x00007FF706934000-memory.dmp

        memory/4204-139-0x00007FF7065E0000-0x00007FF706934000-memory.dmp

        memory/4216-41-0x00007FF67F960000-0x00007FF67FCB4000-memory.dmp

        memory/4216-133-0x00007FF67F960000-0x00007FF67FCB4000-memory.dmp

        memory/4216-141-0x00007FF67F960000-0x00007FF67FCB4000-memory.dmp

        memory/4496-135-0x00007FF767BE0000-0x00007FF767F34000-memory.dmp

        memory/4496-11-0x00007FF767BE0000-0x00007FF767F34000-memory.dmp

        memory/4776-154-0x00007FF66EC80000-0x00007FF66EFD4000-memory.dmp

        memory/4776-125-0x00007FF66EC80000-0x00007FF66EFD4000-memory.dmp

        memory/5060-153-0x00007FF762570000-0x00007FF7628C4000-memory.dmp

        memory/5060-126-0x00007FF762570000-0x00007FF7628C4000-memory.dmp