Analysis

  • max time kernel
    148s
  • 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
    25/05/2024, 15:43

General

  • Target
    2024-05-25_1304348961947d4e925c09d9869ac9a2_cobalt-strike_cobaltstrike.exe
  • Size 5.2MB
  • Sample240525-s52bcshd31
  • SHA256 fda4225ef3187dd0071dc666fb894e5fefe10d6ad9278906b08850e85b8867b0
  • 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 46 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\2024-05-25_1304348961947d4e925c09d9869ac9a2_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_1304348961947d4e925c09d9869ac9a2_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Windows\System\CyewiOF.exe
      C:\Windows\System\CyewiOF.exe
      2⤵
      • Executes dropped EXE
      PID:5100
    • C:\Windows\System\lDqXgDH.exe
      C:\Windows\System\lDqXgDH.exe
      2⤵
      • Executes dropped EXE
      PID:4964
    • C:\Windows\System\rSNGyOc.exe
      C:\Windows\System\rSNGyOc.exe
      2⤵
      • Executes dropped EXE
      PID:3960
    • C:\Windows\System\LTodHrD.exe
      C:\Windows\System\LTodHrD.exe
      2⤵
      • Executes dropped EXE
      PID:2732
    • C:\Windows\System\uhllFsw.exe
      C:\Windows\System\uhllFsw.exe
      2⤵
      • Executes dropped EXE
      PID:3480
    • C:\Windows\System\FGasiot.exe
      C:\Windows\System\FGasiot.exe
      2⤵
      • Executes dropped EXE
      PID:3068
    • C:\Windows\System\dgUaZoL.exe
      C:\Windows\System\dgUaZoL.exe
      2⤵
      • Executes dropped EXE
      PID:2608
    • C:\Windows\System\bpewYaw.exe
      C:\Windows\System\bpewYaw.exe
      2⤵
      • Executes dropped EXE
      PID:4772
    • C:\Windows\System\kMISiZL.exe
      C:\Windows\System\kMISiZL.exe
      2⤵
      • Executes dropped EXE
      PID:1996
    • C:\Windows\System\TvDjbZM.exe
      C:\Windows\System\TvDjbZM.exe
      2⤵
      • Executes dropped EXE
      PID:5020
    • C:\Windows\System\rtGQIvg.exe
      C:\Windows\System\rtGQIvg.exe
      2⤵
      • Executes dropped EXE
      PID:4140
    • C:\Windows\System\zHqjFzl.exe
      C:\Windows\System\zHqjFzl.exe
      2⤵
      • Executes dropped EXE
      PID:4656
    • C:\Windows\System\LXHdFrW.exe
      C:\Windows\System\LXHdFrW.exe
      2⤵
      • Executes dropped EXE
      PID:2416
    • C:\Windows\System\vpCnVoz.exe
      C:\Windows\System\vpCnVoz.exe
      2⤵
      • Executes dropped EXE
      PID:4344
    • C:\Windows\System\hwwfCXL.exe
      C:\Windows\System\hwwfCXL.exe
      2⤵
      • Executes dropped EXE
      PID:1044
    • C:\Windows\System\nCbDqAf.exe
      C:\Windows\System\nCbDqAf.exe
      2⤵
      • Executes dropped EXE
      PID:2184
    • C:\Windows\System\nKbzOhd.exe
      C:\Windows\System\nKbzOhd.exe
      2⤵
      • Executes dropped EXE
      PID:5116
    • C:\Windows\System\ugyLYKe.exe
      C:\Windows\System\ugyLYKe.exe
      2⤵
      • Executes dropped EXE
      PID:1212
    • C:\Windows\System\Ntemgdn.exe
      C:\Windows\System\Ntemgdn.exe
      2⤵
      • Executes dropped EXE
      PID:3284
    • C:\Windows\System\diOJdJg.exe
      C:\Windows\System\diOJdJg.exe
      2⤵
      • Executes dropped EXE
      PID:2816
    • C:\Windows\System\IBSkpur.exe
      C:\Windows\System\IBSkpur.exe
      2⤵
      • Executes dropped EXE
      PID:1900

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CyewiOF.exe

        • Path C:\Windows\System\CyewiOF.exe
        • Size 5.2MB
        • SHA256 4ff4925c6d9622b1ca16eba3dd259da8e5ebb05b0793824a730bac8f6a6af6dc
        • MD5 SHA1 SHA512 SSDEEP

        FGasiot.exe

        • Path C:\Windows\System\FGasiot.exe
        • Size 5.2MB
        • SHA256 3bc8a1fee33359fdd6dd2ff772dc75e6fa55ebe6096067d71d1b874d83cd48bc
        • MD5 SHA1 SHA512 SSDEEP

        IBSkpur.exe

        • Path C:\Windows\System\IBSkpur.exe
        • Size 5.2MB
        • SHA256 ea6301be02035eeeaedae458a3024cd8ae0e295198684ee459bd773506ca1046
        • MD5 SHA1 SHA512 SSDEEP

        LTodHrD.exe

        • Path C:\Windows\System\LTodHrD.exe
        • Size 5.2MB
        • SHA256 4048f5989fce5c043e7daf84ca33ddf2193c14d765192868acd0cde234fb4485
        • MD5 SHA1 SHA512 SSDEEP

        LXHdFrW.exe

        • Path C:\Windows\System\LXHdFrW.exe
        • Size 5.2MB
        • SHA256 96098d42405625ccae5e7b0cc18a0d5190dd7e4acf2be7505498b466071fdec3
        • MD5 SHA1 SHA512 SSDEEP

        Ntemgdn.exe

        • Path C:\Windows\System\Ntemgdn.exe
        • Size 5.2MB
        • SHA256 48ea84f58eec07b49b2c45013476c69dd88cf39fa959c7ead127abb14a771e1f
        • MD5 SHA1 SHA512 SSDEEP

        TvDjbZM.exe

        • Path C:\Windows\System\TvDjbZM.exe
        • Size 5.2MB
        • SHA256 58438aa957e96462585e43f1872d09180950f491388f987494bd1134fff2a504
        • MD5 SHA1 SHA512 SSDEEP

        bpewYaw.exe

        • Path C:\Windows\System\bpewYaw.exe
        • Size 5.2MB
        • SHA256 e3fe3690837081fb88b6839d93f96e0a385841f245f4070e5d52a22406c5c3b0
        • MD5 SHA1 SHA512 SSDEEP

        dgUaZoL.exe

        • Path C:\Windows\System\dgUaZoL.exe
        • Size 5.2MB
        • SHA256 19be3228d2bf06b6b3e5841dffd9cf3c91f2f5a26eff43be404f893f4603cb4a
        • MD5 SHA1 SHA512 SSDEEP

        diOJdJg.exe

        • Path C:\Windows\System\diOJdJg.exe
        • Size 5.2MB
        • SHA256 55b2b02bda0c891b4fb0eaa842d28b1a94bb0392cb8d6a49ef0e85f500e5daa4
        • MD5 SHA1 SHA512 SSDEEP

        hwwfCXL.exe

        • Path C:\Windows\System\hwwfCXL.exe
        • Size 5.2MB
        • SHA256 02880b79a326fd2c21544688fabd5a4024bc9e3bfc712b50e9fd039e6b2c4377
        • MD5 SHA1 SHA512 SSDEEP

        kMISiZL.exe

        • Path C:\Windows\System\kMISiZL.exe
        • Size 5.2MB
        • SHA256 be74055e61153dedbc717bf0920ad35c4f010b1eb2baf646598fc8aee7d85e61
        • MD5 SHA1 SHA512 SSDEEP

        lDqXgDH.exe

        • Path C:\Windows\System\lDqXgDH.exe
        • Size 5.2MB
        • SHA256 f7bdc34fcd3118f38045a7f49ae2e7e164202ed694bf9fe1dfc2cabe2c9c387c
        • MD5 SHA1 SHA512 SSDEEP

        nCbDqAf.exe

        • Path C:\Windows\System\nCbDqAf.exe
        • Size 5.2MB
        • SHA256 d15f4de9cc9c81de4836d5f29644e8e586587a01eaf999cd3b6e2f46007e66c7
        • MD5 SHA1 SHA512 SSDEEP

        nKbzOhd.exe

        • Path C:\Windows\System\nKbzOhd.exe
        • Size 5.2MB
        • SHA256 1ed4e58d11ec88a7699f7ddbc6fecf3d47add0a2f839a9272c4a049605349a14
        • MD5 SHA1 SHA512 SSDEEP

        rSNGyOc.exe

        • Path C:\Windows\System\rSNGyOc.exe
        • Size 5.2MB
        • SHA256 945b8aeea07d84a9d981e8384d770b2fe80be25afee6a5feb43310308e7461c7
        • MD5 SHA1 SHA512 SSDEEP

        rtGQIvg.exe

        • Path C:\Windows\System\rtGQIvg.exe
        • Size 5.2MB
        • SHA256 07eaec97f2dc871fe9e1bee5947801e5a7a5f970a758f8dd65abc9e5a8e5004f
        • MD5 SHA1 SHA512 SSDEEP

        ugyLYKe.exe

        • Path C:\Windows\System\ugyLYKe.exe
        • Size 5.2MB
        • SHA256 566facb98af0f843a63f387958e6c3274dfc723e6b31bb09ef0a8ef84fa84b66
        • MD5 SHA1 SHA512 SSDEEP

        uhllFsw.exe

        • Path C:\Windows\System\uhllFsw.exe
        • Size 5.2MB
        • SHA256 cb3d609e9fdad3f1d5867a04f7cb59dd8851e1663cad889a27b22aa2e640e57c
        • MD5 SHA1 SHA512 SSDEEP

        vpCnVoz.exe

        • Path C:\Windows\System\vpCnVoz.exe
        • Size 5.2MB
        • SHA256 5be3aeec8d8ef7363554e3f9a4fbd7edb3f1257fe930bfecbea9b19882e860cf
        • MD5 SHA1 SHA512 SSDEEP

        zHqjFzl.exe

        • Path C:\Windows\System\zHqjFzl.exe
        • Size 5.2MB
        • SHA256 eeea7ae040739f9ec4af8e6fae3207616de2c5d345bc1815b739720f23f0864b
        • MD5 SHA1 SHA512 SSDEEP

        memory/1044-143-0x00007FF6DFC70000-0x00007FF6DFFC1000-memory.dmp

        memory/1044-220-0x00007FF6DFC70000-0x00007FF6DFFC1000-memory.dmp

        memory/1044-91-0x00007FF6DFC70000-0x00007FF6DFFC1000-memory.dmp

        memory/1212-112-0x00007FF6C2DD0000-0x00007FF6C3121000-memory.dmp

        memory/1212-146-0x00007FF6C2DD0000-0x00007FF6C3121000-memory.dmp

        memory/1212-240-0x00007FF6C2DD0000-0x00007FF6C3121000-memory.dmp

        memory/1900-149-0x00007FF6FC850000-0x00007FF6FCBA1000-memory.dmp

        memory/1900-113-0x00007FF6FC850000-0x00007FF6FCBA1000-memory.dmp

        memory/1900-234-0x00007FF6FC850000-0x00007FF6FCBA1000-memory.dmp

        memory/1996-121-0x00007FF7A1AF0000-0x00007FF7A1E41000-memory.dmp

        memory/1996-212-0x00007FF7A1AF0000-0x00007FF7A1E41000-memory.dmp

        memory/2184-224-0x00007FF77FF60000-0x00007FF7802B1000-memory.dmp

        memory/2184-144-0x00007FF77FF60000-0x00007FF7802B1000-memory.dmp

        memory/2184-99-0x00007FF77FF60000-0x00007FF7802B1000-memory.dmp

        memory/2416-223-0x00007FF7E0F70000-0x00007FF7E12C1000-memory.dmp

        memory/2416-123-0x00007FF7E0F70000-0x00007FF7E12C1000-memory.dmp

        memory/2608-207-0x00007FF6B9A20000-0x00007FF6B9D71000-memory.dmp

        memory/2608-61-0x00007FF6B9A20000-0x00007FF6B9D71000-memory.dmp

        memory/2732-202-0x00007FF634400000-0x00007FF634751000-memory.dmp

        memory/2732-42-0x00007FF634400000-0x00007FF634751000-memory.dmp

        memory/2816-227-0x00007FF6DCB90000-0x00007FF6DCEE1000-memory.dmp

        memory/2816-126-0x00007FF6DCB90000-0x00007FF6DCEE1000-memory.dmp

        memory/3068-210-0x00007FF7D3020000-0x00007FF7D3371000-memory.dmp

        memory/3068-120-0x00007FF7D3020000-0x00007FF7D3371000-memory.dmp

        memory/3268-172-0x00007FF66A090000-0x00007FF66A3E1000-memory.dmp

        memory/3268-150-0x00007FF66A090000-0x00007FF66A3E1000-memory.dmp

        memory/3268-128-0x00007FF66A090000-0x00007FF66A3E1000-memory.dmp

        memory/3268-0-0x00007FF66A090000-0x00007FF66A3E1000-memory.dmp

        memory/3268-1-0x000001E4EAA60000-0x000001E4EAA70000-memory.dmp

        memory/3284-232-0x00007FF7F8F00000-0x00007FF7F9251000-memory.dmp

        memory/3284-125-0x00007FF7F8F00000-0x00007FF7F9251000-memory.dmp

        memory/3480-45-0x00007FF7AE710000-0x00007FF7AEA61000-memory.dmp

        memory/3480-204-0x00007FF7AE710000-0x00007FF7AEA61000-memory.dmp

        memory/3960-31-0x00007FF7E39F0000-0x00007FF7E3D41000-memory.dmp

        memory/3960-200-0x00007FF7E39F0000-0x00007FF7E3D41000-memory.dmp

        memory/4140-217-0x00007FF7950A0000-0x00007FF7953F1000-memory.dmp

        memory/4140-139-0x00007FF7950A0000-0x00007FF7953F1000-memory.dmp

        memory/4140-77-0x00007FF7950A0000-0x00007FF7953F1000-memory.dmp

        memory/4344-124-0x00007FF739DB0000-0x00007FF73A101000-memory.dmp

        memory/4344-231-0x00007FF739DB0000-0x00007FF73A101000-memory.dmp

        memory/4656-80-0x00007FF6985F0000-0x00007FF698941000-memory.dmp

        memory/4656-140-0x00007FF6985F0000-0x00007FF698941000-memory.dmp

        memory/4656-218-0x00007FF6985F0000-0x00007FF698941000-memory.dmp

        memory/4772-136-0x00007FF6E9570000-0x00007FF6E98C1000-memory.dmp

        memory/4772-209-0x00007FF6E9570000-0x00007FF6E98C1000-memory.dmp

        memory/4772-55-0x00007FF6E9570000-0x00007FF6E98C1000-memory.dmp

        memory/4964-19-0x00007FF731770000-0x00007FF731AC1000-memory.dmp

        memory/4964-198-0x00007FF731770000-0x00007FF731AC1000-memory.dmp

        memory/5020-214-0x00007FF7BFAA0000-0x00007FF7BFDF1000-memory.dmp

        memory/5020-122-0x00007FF7BFAA0000-0x00007FF7BFDF1000-memory.dmp

        memory/5100-129-0x00007FF6C4E50000-0x00007FF6C51A1000-memory.dmp

        memory/5100-196-0x00007FF6C4E50000-0x00007FF6C51A1000-memory.dmp

        memory/5100-8-0x00007FF6C4E50000-0x00007FF6C51A1000-memory.dmp

        memory/5116-228-0x00007FF76E970000-0x00007FF76ECC1000-memory.dmp

        memory/5116-109-0x00007FF76E970000-0x00007FF76ECC1000-memory.dmp

        memory/5116-145-0x00007FF76E970000-0x00007FF76ECC1000-memory.dmp