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
    01/06/2024, 20:50

General

  • Target
    2024-06-01_8b3b912b1e971575c37428619c1047ab_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-zmkdfsef2t
  • SHA256 cff93e4acaddbb4f3669c3777edaec91dbbc12e8a6f67bfdda72aa7e1dc20964
  • 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\2024-06-01_8b3b912b1e971575c37428619c1047ab_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_8b3b912b1e971575c37428619c1047ab_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Windows\System\YwKqZDx.exe
      C:\Windows\System\YwKqZDx.exe
      2⤵
      • Executes dropped EXE
      PID:536
    • C:\Windows\System\LBZKGHX.exe
      C:\Windows\System\LBZKGHX.exe
      2⤵
      • Executes dropped EXE
      PID:1156
    • C:\Windows\System\RGeIMHc.exe
      C:\Windows\System\RGeIMHc.exe
      2⤵
      • Executes dropped EXE
      PID:2364
    • C:\Windows\System\GEkJsUM.exe
      C:\Windows\System\GEkJsUM.exe
      2⤵
      • Executes dropped EXE
      PID:936
    • C:\Windows\System\AsNEmnb.exe
      C:\Windows\System\AsNEmnb.exe
      2⤵
      • Executes dropped EXE
      PID:4352
    • C:\Windows\System\ZjGfjkl.exe
      C:\Windows\System\ZjGfjkl.exe
      2⤵
      • Executes dropped EXE
      PID:4240
    • C:\Windows\System\AiLMpBO.exe
      C:\Windows\System\AiLMpBO.exe
      2⤵
      • Executes dropped EXE
      PID:3968
    • C:\Windows\System\DEDKWTJ.exe
      C:\Windows\System\DEDKWTJ.exe
      2⤵
      • Executes dropped EXE
      PID:3012
    • C:\Windows\System\TvASajB.exe
      C:\Windows\System\TvASajB.exe
      2⤵
      • Executes dropped EXE
      PID:2084
    • C:\Windows\System\nocRfCI.exe
      C:\Windows\System\nocRfCI.exe
      2⤵
      • Executes dropped EXE
      PID:3752
    • C:\Windows\System\jAQihIK.exe
      C:\Windows\System\jAQihIK.exe
      2⤵
      • Executes dropped EXE
      PID:4476
    • C:\Windows\System\RHUAqkh.exe
      C:\Windows\System\RHUAqkh.exe
      2⤵
      • Executes dropped EXE
      PID:2132
    • C:\Windows\System\lxICilH.exe
      C:\Windows\System\lxICilH.exe
      2⤵
      • Executes dropped EXE
      PID:4184
    • C:\Windows\System\BcefYkr.exe
      C:\Windows\System\BcefYkr.exe
      2⤵
      • Executes dropped EXE
      PID:3412
    • C:\Windows\System\odxDorB.exe
      C:\Windows\System\odxDorB.exe
      2⤵
      • Executes dropped EXE
      PID:1064
    • C:\Windows\System\ubokhsz.exe
      C:\Windows\System\ubokhsz.exe
      2⤵
      • Executes dropped EXE
      PID:2612
    • C:\Windows\System\JKMzhoZ.exe
      C:\Windows\System\JKMzhoZ.exe
      2⤵
      • Executes dropped EXE
      PID:1136
    • C:\Windows\System\qDTsVKN.exe
      C:\Windows\System\qDTsVKN.exe
      2⤵
      • Executes dropped EXE
      PID:1500
    • C:\Windows\System\bMhYsVZ.exe
      C:\Windows\System\bMhYsVZ.exe
      2⤵
      • Executes dropped EXE
      PID:4784
    • C:\Windows\System\boayqjp.exe
      C:\Windows\System\boayqjp.exe
      2⤵
      • Executes dropped EXE
      PID:3896
    • C:\Windows\System\twvRBtQ.exe
      C:\Windows\System\twvRBtQ.exe
      2⤵
      • Executes dropped EXE
      PID:3588

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AiLMpBO.exe

        • Path C:\Windows\System\AiLMpBO.exe
        • Size 5.9MB
        • SHA256 c3e8085f0f8e992f48c948916b505c33549839d41f8977571415dfc1187ecf6e
        • MD5 SHA1 SHA512 SSDEEP

        AsNEmnb.exe

        • Path C:\Windows\System\AsNEmnb.exe
        • Size 5.9MB
        • SHA256 23970bcd43e5e53be23321f718022e5d5fe333e1435d9dc026c70db4f869bb25
        • MD5 SHA1 SHA512 SSDEEP

        BcefYkr.exe

        • Path C:\Windows\System\BcefYkr.exe
        • Size 5.9MB
        • SHA256 07cb423648fec135eab9f380bf5a987b23cb51d5a9265429f4e5578b8a5e1724
        • MD5 SHA1 SHA512 SSDEEP

        DEDKWTJ.exe

        • Path C:\Windows\System\DEDKWTJ.exe
        • Size 5.9MB
        • SHA256 609cd2429527d639c2dfd767eabe7e7db3d75a00569dc8ad2173b3509fd110e2
        • MD5 SHA1 SHA512 SSDEEP

        GEkJsUM.exe

        • Path C:\Windows\System\GEkJsUM.exe
        • Size 5.9MB
        • SHA256 232e0a54ed52f617c80d27089a17d05d95def196d15328d96aa9a355c941f701
        • MD5 SHA1 SHA512 SSDEEP

        JKMzhoZ.exe

        • Path C:\Windows\System\JKMzhoZ.exe
        • Size 5.9MB
        • SHA256 bb8bf5a51b41a01401cabde1e0b1a84f9c8f5476298759941f63d678599227bd
        • MD5 SHA1 SHA512 SSDEEP

        LBZKGHX.exe

        • Path C:\Windows\System\LBZKGHX.exe
        • Size 5.9MB
        • SHA256 6162e77b274486f4d98ff914cc197fe9202c61939524e952c47dfa97baa10c17
        • MD5 SHA1 SHA512 SSDEEP

        RGeIMHc.exe

        • Path C:\Windows\System\RGeIMHc.exe
        • Size 5.9MB
        • SHA256 f0d4b5762dc97b9c0f610b65fbabf5a25170e29a1c778681e8630d3a8bb7ddf7
        • MD5 SHA1 SHA512 SSDEEP

        RHUAqkh.exe

        • Path C:\Windows\System\RHUAqkh.exe
        • Size 5.9MB
        • SHA256 6e37901fbcd253d30a414006f22f1328976946e0cca9a9bd22acb079589bcd95
        • MD5 SHA1 SHA512 SSDEEP

        TvASajB.exe

        • Path C:\Windows\System\TvASajB.exe
        • Size 5.9MB
        • SHA256 c41e95244729fabd6132d0b4a82cecc2eb6fc3780477409cec274f2c9d0c38aa
        • MD5 SHA1 SHA512 SSDEEP

        YwKqZDx.exe

        • Path C:\Windows\System\YwKqZDx.exe
        • Size 5.9MB
        • SHA256 3ebcedf692fc2b8b358fcbf8a65e808ff8cf9758a2c254af05959ca5695a3fa0
        • MD5 SHA1 SHA512 SSDEEP

        ZjGfjkl.exe

        • Path C:\Windows\System\ZjGfjkl.exe
        • Size 5.9MB
        • SHA256 467e099699b17e110d8f9c3af896c0a7d2f33810a44d5dfd25c37a0129199a93
        • MD5 SHA1 SHA512 SSDEEP

        bMhYsVZ.exe

        • Path C:\Windows\System\bMhYsVZ.exe
        • Size 5.9MB
        • SHA256 9c5ba15bf0044b57575ac5ff4848f9f8d379b920f819023f3d7b0808776ebb13
        • MD5 SHA1 SHA512 SSDEEP

        boayqjp.exe

        • Path C:\Windows\System\boayqjp.exe
        • Size 5.9MB
        • SHA256 ce543c72a632c98273258ce2783cbccf61f269059cc05aa06f00ae05f3ec5fe1
        • MD5 SHA1 SHA512 SSDEEP

        jAQihIK.exe

        • Path C:\Windows\System\jAQihIK.exe
        • Size 5.9MB
        • SHA256 0fc3e1354bbbeb18279378b26d2cd5da123b0356fc924c0c166f7940747f61bd
        • MD5 SHA1 SHA512 SSDEEP

        lxICilH.exe

        • Path C:\Windows\System\lxICilH.exe
        • Size 5.9MB
        • SHA256 3c087332b21a4fb50638437a0f9cec77ee86d4bce44d7bd72ca89a54d0443525
        • MD5 SHA1 SHA512 SSDEEP

        nocRfCI.exe

        • Path C:\Windows\System\nocRfCI.exe
        • Size 5.9MB
        • SHA256 cb4498343ca60544bdf8970c8f743fe4f89faf0eae3719865e78e9390f671ab5
        • MD5 SHA1 SHA512 SSDEEP

        odxDorB.exe

        • Path C:\Windows\System\odxDorB.exe
        • Size 5.9MB
        • SHA256 a4c5bcb8d5520eef9690f54a40d3dbd2ea0f6dbd49df43be0cbcaf35bf5bd720
        • MD5 SHA1 SHA512 SSDEEP

        qDTsVKN.exe

        • Path C:\Windows\System\qDTsVKN.exe
        • Size 5.9MB
        • SHA256 8e19de3059078c1d2770a08bac9225f6595184d0a29bc5f1c83b01d51a47ad34
        • MD5 SHA1 SHA512 SSDEEP

        twvRBtQ.exe

        • Path C:\Windows\System\twvRBtQ.exe
        • Size 5.9MB
        • SHA256 10ba5003911a60038051acbb233dbf93291f29afdfd74708543660522f2ca3cf
        • MD5 SHA1 SHA512 SSDEEP

        ubokhsz.exe

        • Path C:\Windows\System\ubokhsz.exe
        • Size 5.9MB
        • SHA256 22b8e0f5ae19e4aa8b86daa3c0d07ebb5c2d685a1fbd1f2695a755b256425938
        • MD5 SHA1 SHA512 SSDEEP

        memory/536-67-0x00007FF7E4820000-0x00007FF7E4B74000-memory.dmp

        memory/536-6-0x00007FF7E4820000-0x00007FF7E4B74000-memory.dmp

        memory/536-140-0x00007FF7E4820000-0x00007FF7E4B74000-memory.dmp

        memory/936-143-0x00007FF62FC50000-0x00007FF62FFA4000-memory.dmp

        memory/936-89-0x00007FF62FC50000-0x00007FF62FFA4000-memory.dmp

        memory/936-25-0x00007FF62FC50000-0x00007FF62FFA4000-memory.dmp

        memory/1064-154-0x00007FF75F310000-0x00007FF75F664000-memory.dmp

        memory/1064-96-0x00007FF75F310000-0x00007FF75F664000-memory.dmp

        memory/1136-156-0x00007FF6E34A0000-0x00007FF6E37F4000-memory.dmp

        memory/1136-121-0x00007FF6E34A0000-0x00007FF6E37F4000-memory.dmp

        memory/1156-141-0x00007FF791E50000-0x00007FF7921A4000-memory.dmp

        memory/1156-74-0x00007FF791E50000-0x00007FF7921A4000-memory.dmp

        memory/1156-13-0x00007FF791E50000-0x00007FF7921A4000-memory.dmp

        memory/1500-122-0x00007FF7B6930000-0x00007FF7B6C84000-memory.dmp

        memory/1500-157-0x00007FF7B6930000-0x00007FF7B6C84000-memory.dmp

        memory/2084-148-0x00007FF62C540000-0x00007FF62C894000-memory.dmp

        memory/2084-56-0x00007FF62C540000-0x00007FF62C894000-memory.dmp

        memory/2132-151-0x00007FF6A0310000-0x00007FF6A0664000-memory.dmp

        memory/2132-75-0x00007FF6A0310000-0x00007FF6A0664000-memory.dmp

        memory/2132-137-0x00007FF6A0310000-0x00007FF6A0664000-memory.dmp

        memory/2140-62-0x00007FF60DA30000-0x00007FF60DD84000-memory.dmp

        memory/2140-0-0x00007FF60DA30000-0x00007FF60DD84000-memory.dmp

        memory/2140-1-0x0000024E322F0000-0x0000024E32300000-memory.dmp

        memory/2364-142-0x00007FF707EE0000-0x00007FF708234000-memory.dmp

        memory/2364-20-0x00007FF707EE0000-0x00007FF708234000-memory.dmp

        memory/2612-104-0x00007FF795F90000-0x00007FF7962E4000-memory.dmp

        memory/2612-155-0x00007FF795F90000-0x00007FF7962E4000-memory.dmp

        memory/3012-147-0x00007FF720CE0000-0x00007FF721034000-memory.dmp

        memory/3012-134-0x00007FF720CE0000-0x00007FF721034000-memory.dmp

        memory/3012-48-0x00007FF720CE0000-0x00007FF721034000-memory.dmp

        memory/3412-90-0x00007FF7635A0000-0x00007FF7638F4000-memory.dmp

        memory/3412-153-0x00007FF7635A0000-0x00007FF7638F4000-memory.dmp

        memory/3588-158-0x00007FF69E340000-0x00007FF69E694000-memory.dmp

        memory/3588-135-0x00007FF69E340000-0x00007FF69E694000-memory.dmp

        memory/3752-149-0x00007FF76A4C0000-0x00007FF76A814000-memory.dmp

        memory/3752-66-0x00007FF76A4C0000-0x00007FF76A814000-memory.dmp

        memory/3896-126-0x00007FF66AC50000-0x00007FF66AFA4000-memory.dmp

        memory/3896-139-0x00007FF66AC50000-0x00007FF66AFA4000-memory.dmp

        memory/3896-159-0x00007FF66AC50000-0x00007FF66AFA4000-memory.dmp

        memory/3968-42-0x00007FF7CD210000-0x00007FF7CD564000-memory.dmp

        memory/3968-146-0x00007FF7CD210000-0x00007FF7CD564000-memory.dmp

        memory/3968-120-0x00007FF7CD210000-0x00007FF7CD564000-memory.dmp

        memory/4184-83-0x00007FF78E600000-0x00007FF78E954000-memory.dmp

        memory/4184-152-0x00007FF78E600000-0x00007FF78E954000-memory.dmp

        memory/4240-145-0x00007FF6684A0000-0x00007FF6687F4000-memory.dmp

        memory/4240-38-0x00007FF6684A0000-0x00007FF6687F4000-memory.dmp

        memory/4240-103-0x00007FF6684A0000-0x00007FF6687F4000-memory.dmp

        memory/4352-30-0x00007FF703530000-0x00007FF703884000-memory.dmp

        memory/4352-144-0x00007FF703530000-0x00007FF703884000-memory.dmp

        memory/4352-95-0x00007FF703530000-0x00007FF703884000-memory.dmp

        memory/4476-150-0x00007FF78C640000-0x00007FF78C994000-memory.dmp

        memory/4476-72-0x00007FF78C640000-0x00007FF78C994000-memory.dmp

        memory/4476-136-0x00007FF78C640000-0x00007FF78C994000-memory.dmp

        memory/4784-124-0x00007FF7E5360000-0x00007FF7E56B4000-memory.dmp

        memory/4784-138-0x00007FF7E5360000-0x00007FF7E56B4000-memory.dmp

        memory/4784-160-0x00007FF7E5360000-0x00007FF7E56B4000-memory.dmp