Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 08:46

General

  • Target
    2024-05-31_e15c77048395370fda5de21be36c4411_cobalt-strike_cobaltstrike.exe
  • Size 5.2MB
  • Sample240531-kpe47ade52
  • SHA256 9f8f0f7d757fca67fdf300c639815bfab3df3ce4d2d966e2449855da054cf1c7
  • 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_e15c77048395370fda5de21be36c4411_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_e15c77048395370fda5de21be36c4411_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\System\hOuTeuq.exe
      C:\Windows\System\hOuTeuq.exe
      2⤵
      • Executes dropped EXE
      PID:3592
    • C:\Windows\System\nPJqFRD.exe
      C:\Windows\System\nPJqFRD.exe
      2⤵
      • Executes dropped EXE
      PID:3356
    • C:\Windows\System\OQGPUrB.exe
      C:\Windows\System\OQGPUrB.exe
      2⤵
      • Executes dropped EXE
      PID:3844
    • C:\Windows\System\KWvKdij.exe
      C:\Windows\System\KWvKdij.exe
      2⤵
      • Executes dropped EXE
      PID:4268
    • C:\Windows\System\NhJTtpC.exe
      C:\Windows\System\NhJTtpC.exe
      2⤵
      • Executes dropped EXE
      PID:1416
    • C:\Windows\System\cXyzjkI.exe
      C:\Windows\System\cXyzjkI.exe
      2⤵
      • Executes dropped EXE
      PID:1280
    • C:\Windows\System\ddjUuwV.exe
      C:\Windows\System\ddjUuwV.exe
      2⤵
      • Executes dropped EXE
      PID:4336
    • C:\Windows\System\JHEAUcS.exe
      C:\Windows\System\JHEAUcS.exe
      2⤵
      • Executes dropped EXE
      PID:1192
    • C:\Windows\System\APKlPUy.exe
      C:\Windows\System\APKlPUy.exe
      2⤵
      • Executes dropped EXE
      PID:988
    • C:\Windows\System\MsPmreG.exe
      C:\Windows\System\MsPmreG.exe
      2⤵
      • Executes dropped EXE
      PID:512
    • C:\Windows\System\MCynUbW.exe
      C:\Windows\System\MCynUbW.exe
      2⤵
      • Executes dropped EXE
      PID:4692
    • C:\Windows\System\skLsbqp.exe
      C:\Windows\System\skLsbqp.exe
      2⤵
      • Executes dropped EXE
      PID:2444
    • C:\Windows\System\aRNdczY.exe
      C:\Windows\System\aRNdczY.exe
      2⤵
      • Executes dropped EXE
      PID:5088
    • C:\Windows\System\rMeOvRJ.exe
      C:\Windows\System\rMeOvRJ.exe
      2⤵
      • Executes dropped EXE
      PID:3796
    • C:\Windows\System\cXdziXT.exe
      C:\Windows\System\cXdziXT.exe
      2⤵
      • Executes dropped EXE
      PID:3524
    • C:\Windows\System\OMkmKbc.exe
      C:\Windows\System\OMkmKbc.exe
      2⤵
      • Executes dropped EXE
      PID:1248
    • C:\Windows\System\FKfZAXY.exe
      C:\Windows\System\FKfZAXY.exe
      2⤵
      • Executes dropped EXE
      PID:3976
    • C:\Windows\System\ZbMbZzC.exe
      C:\Windows\System\ZbMbZzC.exe
      2⤵
      • Executes dropped EXE
      PID:5024
    • C:\Windows\System\rthNJSz.exe
      C:\Windows\System\rthNJSz.exe
      2⤵
      • Executes dropped EXE
      PID:3916
    • C:\Windows\System\arLrKkP.exe
      C:\Windows\System\arLrKkP.exe
      2⤵
      • Executes dropped EXE
      PID:1392
    • C:\Windows\System\hbxFiqo.exe
      C:\Windows\System\hbxFiqo.exe
      2⤵
      • Executes dropped EXE
      PID:4716

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        APKlPUy.exe

        • Path C:\Windows\System\APKlPUy.exe
        • Size 5.2MB
        • SHA256 415bcdbe728e60df2eb95f6abedd4433247e4bf2a415ebf1487c2924fdce4abd
        • MD5 SHA1 SHA512 SSDEEP

        FKfZAXY.exe

        • Path C:\Windows\System\FKfZAXY.exe
        • Size 5.2MB
        • SHA256 c6f163281cd105b74da97e96581663e7958d1c7a70f64d7520d2b43ce4417fd6
        • MD5 SHA1 SHA512 SSDEEP

        JHEAUcS.exe

        • Path C:\Windows\System\JHEAUcS.exe
        • Size 5.2MB
        • SHA256 5afb3df6a9d7d08680a7c84e1574512151183620b2546bce89f2fb2a1ff71109
        • MD5 SHA1 SHA512 SSDEEP

        KWvKdij.exe

        • Path C:\Windows\System\KWvKdij.exe
        • Size 5.2MB
        • SHA256 0b2baad014583dc9b656fd49e5813be3c2ade7e4fd632fcde6846c85a5e04b6d
        • MD5 SHA1 SHA512 SSDEEP

        MCynUbW.exe

        • Path C:\Windows\System\MCynUbW.exe
        • Size 5.2MB
        • SHA256 fa6249a75105ca5f8925e007f36a692427675eac93e96e71deebdb55777ebccc
        • MD5 SHA1 SHA512 SSDEEP

        MsPmreG.exe

        • Path C:\Windows\System\MsPmreG.exe
        • Size 5.2MB
        • SHA256 b180975e7e1f1ce9d76500a626f448a68596d9f754e267ed0839861ad11264f8
        • MD5 SHA1 SHA512 SSDEEP

        NhJTtpC.exe

        • Path C:\Windows\System\NhJTtpC.exe
        • Size 5.2MB
        • SHA256 a9e0bd65575163d77cf39e3614d3fe0fb17806c6bfbdd21fe10f57789daf6fc1
        • MD5 SHA1 SHA512 SSDEEP

        OMkmKbc.exe

        • Path C:\Windows\System\OMkmKbc.exe
        • Size 5.2MB
        • SHA256 2ad68c192fcb4f1de05e8a14e31051aa19ed9e5c877996ad304de460a8d37b1c
        • MD5 SHA1 SHA512 SSDEEP

        OQGPUrB.exe

        • Path C:\Windows\System\OQGPUrB.exe
        • Size 5.2MB
        • SHA256 f4efcb36a091fb854a8fb49d9d3c420cb6834975f0a5873f51905af444e8598c
        • MD5 SHA1 SHA512 SSDEEP

        ZbMbZzC.exe

        • Path C:\Windows\System\ZbMbZzC.exe
        • Size 5.2MB
        • SHA256 67f6a864a0d1695fd5b446284ebcc9bba576038afb2d4a08e6cfb39bdaa9ddc3
        • MD5 SHA1 SHA512 SSDEEP

        aRNdczY.exe

        • Path C:\Windows\System\aRNdczY.exe
        • Size 5.2MB
        • SHA256 abf755f82ba4984d9706ab4a63c4420923126af05bd51429260d42819fb7147e
        • MD5 SHA1 SHA512 SSDEEP

        arLrKkP.exe

        • Path C:\Windows\System\arLrKkP.exe
        • Size 5.2MB
        • SHA256 e0283e595f92e4c10b52e083b445f745f40cbbb088d88c337998015667d010ae
        • MD5 SHA1 SHA512 SSDEEP

        cXdziXT.exe

        • Path C:\Windows\System\cXdziXT.exe
        • Size 5.2MB
        • SHA256 a745e62452a9fb515f56f5db527b7e45c538d543cf67941efd6f1063df3cae1f
        • MD5 SHA1 SHA512 SSDEEP

        cXyzjkI.exe

        • Path C:\Windows\System\cXyzjkI.exe
        • Size 5.2MB
        • SHA256 ae5f17e03effd7b34f4804e5a0bb8cfe92e21897f3750c0344980f7b4efebdc9
        • MD5 SHA1 SHA512 SSDEEP

        ddjUuwV.exe

        • Path C:\Windows\System\ddjUuwV.exe
        • Size 5.2MB
        • SHA256 f5cb6cea4a3ce59e5937a4f5b2f2c1ba493b8dc2b44cf3669ae736f62a2b8680
        • MD5 SHA1 SHA512 SSDEEP

        hOuTeuq.exe

        • Path C:\Windows\System\hOuTeuq.exe
        • Size 5.2MB
        • SHA256 097fbcc1ca01d165e5d2f7174922742fc721eccc7bf0ad425d4bfd7e15da0319
        • MD5 SHA1 SHA512 SSDEEP

        hbxFiqo.exe

        • Path C:\Windows\System\hbxFiqo.exe
        • Size 5.2MB
        • SHA256 db7c82ad001d240a0e5b15b80914ac2ef71ceb05c3ce52c491f1a03ab55983e8
        • MD5 SHA1 SHA512 SSDEEP

        nPJqFRD.exe

        • Path C:\Windows\System\nPJqFRD.exe
        • Size 5.2MB
        • SHA256 e2a0af518943bbf3981a1da5a1467377a6ffeda19f31f94e12121cd87e89d95d
        • MD5 SHA1 SHA512 SSDEEP

        rMeOvRJ.exe

        • Path C:\Windows\System\rMeOvRJ.exe
        • Size 5.2MB
        • SHA256 be4703f463f604c7857602bbf4911abb250be7c93f8e260e2dc0c1b9611ddd0f
        • MD5 SHA1 SHA512 SSDEEP

        rthNJSz.exe

        • Path C:\Windows\System\rthNJSz.exe
        • Size 5.2MB
        • SHA256 e49bf6375ff2c96ad73db588b6cc77dc11eb8ab2b9eebd5530f886d3eefc9116
        • MD5 SHA1 SHA512 SSDEEP

        skLsbqp.exe

        • Path C:\Windows\System\skLsbqp.exe
        • Size 5.2MB
        • SHA256 d1a5a74044b7a3148a3e9f8bd666d2d213ca08c81c1800c59d086b1af4053bb9
        • MD5 SHA1 SHA512 SSDEEP

        memory/512-64-0x00007FF7CE200000-0x00007FF7CE551000-memory.dmp

        memory/512-227-0x00007FF7CE200000-0x00007FF7CE551000-memory.dmp

        memory/988-143-0x00007FF60A980000-0x00007FF60ACD1000-memory.dmp

        memory/988-54-0x00007FF60A980000-0x00007FF60ACD1000-memory.dmp

        memory/988-224-0x00007FF60A980000-0x00007FF60ACD1000-memory.dmp

        memory/1192-222-0x00007FF72F4E0000-0x00007FF72F831000-memory.dmp

        memory/1192-51-0x00007FF72F4E0000-0x00007FF72F831000-memory.dmp

        memory/1248-252-0x00007FF726730000-0x00007FF726A81000-memory.dmp

        memory/1248-153-0x00007FF726730000-0x00007FF726A81000-memory.dmp

        memory/1248-114-0x00007FF726730000-0x00007FF726A81000-memory.dmp

        memory/1280-218-0x00007FF7A1590000-0x00007FF7A18E1000-memory.dmp

        memory/1280-38-0x00007FF7A1590000-0x00007FF7A18E1000-memory.dmp

        memory/1392-122-0x00007FF626690000-0x00007FF6269E1000-memory.dmp

        memory/1392-248-0x00007FF626690000-0x00007FF6269E1000-memory.dmp

        memory/1392-157-0x00007FF626690000-0x00007FF6269E1000-memory.dmp

        memory/1416-34-0x00007FF6674E0000-0x00007FF667831000-memory.dmp

        memory/1416-216-0x00007FF6674E0000-0x00007FF667831000-memory.dmp

        memory/2268-149-0x00007FF7B1BA0000-0x00007FF7B1EF1000-memory.dmp

        memory/2268-1-0x000001FABF020000-0x000001FABF030000-memory.dmp

        memory/2268-0-0x00007FF7B1BA0000-0x00007FF7B1EF1000-memory.dmp

        memory/2268-76-0x00007FF7B1BA0000-0x00007FF7B1EF1000-memory.dmp

        memory/2268-129-0x00007FF7B1BA0000-0x00007FF7B1EF1000-memory.dmp

        memory/2444-145-0x00007FF79DA20000-0x00007FF79DD71000-memory.dmp

        memory/2444-236-0x00007FF79DA20000-0x00007FF79DD71000-memory.dmp

        memory/2444-84-0x00007FF79DA20000-0x00007FF79DD71000-memory.dmp

        memory/3356-206-0x00007FF7EA4E0000-0x00007FF7EA831000-memory.dmp

        memory/3356-94-0x00007FF7EA4E0000-0x00007FF7EA831000-memory.dmp

        memory/3356-12-0x00007FF7EA4E0000-0x00007FF7EA831000-memory.dmp

        memory/3524-95-0x00007FF707B60000-0x00007FF707EB1000-memory.dmp

        memory/3524-242-0x00007FF707B60000-0x00007FF707EB1000-memory.dmp

        memory/3524-148-0x00007FF707B60000-0x00007FF707EB1000-memory.dmp

        memory/3592-11-0x00007FF76D570000-0x00007FF76D8C1000-memory.dmp

        memory/3592-77-0x00007FF76D570000-0x00007FF76D8C1000-memory.dmp

        memory/3592-204-0x00007FF76D570000-0x00007FF76D8C1000-memory.dmp

        memory/3796-240-0x00007FF7B97B0000-0x00007FF7B9B01000-memory.dmp

        memory/3796-90-0x00007FF7B97B0000-0x00007FF7B9B01000-memory.dmp

        memory/3844-208-0x00007FF7CDD10000-0x00007FF7CE061000-memory.dmp

        memory/3844-20-0x00007FF7CDD10000-0x00007FF7CE061000-memory.dmp

        memory/3916-250-0x00007FF7FBA60000-0x00007FF7FBDB1000-memory.dmp

        memory/3916-156-0x00007FF7FBA60000-0x00007FF7FBDB1000-memory.dmp

        memory/3916-118-0x00007FF7FBA60000-0x00007FF7FBDB1000-memory.dmp

        memory/3976-105-0x00007FF74EB80000-0x00007FF74EED1000-memory.dmp

        memory/3976-154-0x00007FF74EB80000-0x00007FF74EED1000-memory.dmp

        memory/3976-244-0x00007FF74EB80000-0x00007FF74EED1000-memory.dmp

        memory/4268-113-0x00007FF726840000-0x00007FF726B91000-memory.dmp

        memory/4268-28-0x00007FF726840000-0x00007FF726B91000-memory.dmp

        memory/4268-214-0x00007FF726840000-0x00007FF726B91000-memory.dmp

        memory/4336-220-0x00007FF7E1860000-0x00007FF7E1BB1000-memory.dmp

        memory/4336-53-0x00007FF7E1860000-0x00007FF7E1BB1000-memory.dmp

        memory/4692-71-0x00007FF773EE0000-0x00007FF774231000-memory.dmp

        memory/4692-234-0x00007FF773EE0000-0x00007FF774231000-memory.dmp

        memory/4716-158-0x00007FF607680000-0x00007FF6079D1000-memory.dmp

        memory/4716-256-0x00007FF607680000-0x00007FF6079D1000-memory.dmp

        memory/4716-138-0x00007FF607680000-0x00007FF6079D1000-memory.dmp

        memory/5024-155-0x00007FF64F780000-0x00007FF64FAD1000-memory.dmp

        memory/5024-246-0x00007FF64F780000-0x00007FF64FAD1000-memory.dmp

        memory/5024-108-0x00007FF64F780000-0x00007FF64FAD1000-memory.dmp

        memory/5088-238-0x00007FF6429B0000-0x00007FF642D01000-memory.dmp

        memory/5088-146-0x00007FF6429B0000-0x00007FF642D01000-memory.dmp

        memory/5088-75-0x00007FF6429B0000-0x00007FF642D01000-memory.dmp