Analysis

  • max time kernel
    137s
  • max time network
    145s
  • 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, 10:20

General

  • Target
    2024-06-01_c4a10f915ec41f9da525e3d30e0f015c_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-mc7psaaf88
  • SHA256 38beffdd41fb0f6ed2eea60298f5775fedb455ca3340e8b91edc1e593b9468e7
  • 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_c4a10f915ec41f9da525e3d30e0f015c_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_c4a10f915ec41f9da525e3d30e0f015c_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\System\HBbVIQf.exe
      C:\Windows\System\HBbVIQf.exe
      2⤵
      • Executes dropped EXE
      PID:852
    • C:\Windows\System\dgCrDcJ.exe
      C:\Windows\System\dgCrDcJ.exe
      2⤵
      • Executes dropped EXE
      PID:5004
    • C:\Windows\System\NJwqZPx.exe
      C:\Windows\System\NJwqZPx.exe
      2⤵
      • Executes dropped EXE
      PID:2860
    • C:\Windows\System\fyMMGoF.exe
      C:\Windows\System\fyMMGoF.exe
      2⤵
      • Executes dropped EXE
      PID:4616
    • C:\Windows\System\psjebCt.exe
      C:\Windows\System\psjebCt.exe
      2⤵
      • Executes dropped EXE
      PID:2428
    • C:\Windows\System\FomKXXr.exe
      C:\Windows\System\FomKXXr.exe
      2⤵
      • Executes dropped EXE
      PID:3492
    • C:\Windows\System\mbEnQSN.exe
      C:\Windows\System\mbEnQSN.exe
      2⤵
      • Executes dropped EXE
      PID:4920
    • C:\Windows\System\gllyxnw.exe
      C:\Windows\System\gllyxnw.exe
      2⤵
      • Executes dropped EXE
      PID:1200
    • C:\Windows\System\sjvRijT.exe
      C:\Windows\System\sjvRijT.exe
      2⤵
      • Executes dropped EXE
      PID:4568
    • C:\Windows\System\bBFIXDj.exe
      C:\Windows\System\bBFIXDj.exe
      2⤵
      • Executes dropped EXE
      PID:3652
    • C:\Windows\System\fflhrTY.exe
      C:\Windows\System\fflhrTY.exe
      2⤵
      • Executes dropped EXE
      PID:3540
    • C:\Windows\System\ZdqjynD.exe
      C:\Windows\System\ZdqjynD.exe
      2⤵
      • Executes dropped EXE
      PID:2180
    • C:\Windows\System\KEnfBQG.exe
      C:\Windows\System\KEnfBQG.exe
      2⤵
      • Executes dropped EXE
      PID:3836
    • C:\Windows\System\fBoVwsQ.exe
      C:\Windows\System\fBoVwsQ.exe
      2⤵
      • Executes dropped EXE
      PID:2440
    • C:\Windows\System\evPtqKp.exe
      C:\Windows\System\evPtqKp.exe
      2⤵
      • Executes dropped EXE
      PID:4444
    • C:\Windows\System\ieGNVtM.exe
      C:\Windows\System\ieGNVtM.exe
      2⤵
      • Executes dropped EXE
      PID:676
    • C:\Windows\System\AJtubec.exe
      C:\Windows\System\AJtubec.exe
      2⤵
      • Executes dropped EXE
      PID:4636
    • C:\Windows\System\hgzRhfK.exe
      C:\Windows\System\hgzRhfK.exe
      2⤵
      • Executes dropped EXE
      PID:2220
    • C:\Windows\System\arIumhp.exe
      C:\Windows\System\arIumhp.exe
      2⤵
      • Executes dropped EXE
      PID:4632
    • C:\Windows\System\CbPOFIS.exe
      C:\Windows\System\CbPOFIS.exe
      2⤵
      • Executes dropped EXE
      PID:3180
    • C:\Windows\System\OdBsLnV.exe
      C:\Windows\System\OdBsLnV.exe
      2⤵
      • Executes dropped EXE
      PID:3708

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AJtubec.exe

        • Path C:\Windows\System\AJtubec.exe
        • Size 5.9MB
        • SHA256 f3bc95c70e472d16329978230f74b3aa7224335a7eb8fff513198b61d6cbd895
        • MD5 SHA1 SHA512 SSDEEP

        CbPOFIS.exe

        • Path C:\Windows\System\CbPOFIS.exe
        • Size 5.9MB
        • SHA256 cc9b170d36fecee07bcd68823a20acc7976d43bc95f18e825cd5081b751c15cb
        • MD5 SHA1 SHA512 SSDEEP

        FomKXXr.exe

        • Path C:\Windows\System\FomKXXr.exe
        • Size 5.9MB
        • SHA256 8aba98fdd44f08b3ee0b009c1389bcad827623d96e32cc6a9e3a27f1c405d938
        • MD5 SHA1 SHA512 SSDEEP

        HBbVIQf.exe

        • Path C:\Windows\System\HBbVIQf.exe
        • Size 5.9MB
        • SHA256 e43759dbee1c4ca0b2422d6b21590240edb3bae747ee52450bc23798973d19b4
        • MD5 SHA1 SHA512 SSDEEP

        KEnfBQG.exe

        • Path C:\Windows\System\KEnfBQG.exe
        • Size 5.9MB
        • SHA256 5b70a7fe5f457c4707266e22732bf8fe236b97530c9f38bba99a3d773efcb797
        • MD5 SHA1 SHA512 SSDEEP

        NJwqZPx.exe

        • Path C:\Windows\System\NJwqZPx.exe
        • Size 5.9MB
        • SHA256 2dbbbcc6cc62b0414f6ad42ed500fd2a9b405304d923745ee6ba52569a401dc5
        • MD5 SHA1 SHA512 SSDEEP

        OdBsLnV.exe

        • Path C:\Windows\System\OdBsLnV.exe
        • Size 5.9MB
        • SHA256 d3a1f2f9c21e7111834d4e3b747af6a7490de4f88e35e7d116963be2aee91db4
        • MD5 SHA1 SHA512 SSDEEP

        ZdqjynD.exe

        • Path C:\Windows\System\ZdqjynD.exe
        • Size 5.9MB
        • SHA256 2cdb5d81828c541788b0fdaffb6aabf51d5e5fc8a931126abb4551b5aa60cbce
        • MD5 SHA1 SHA512 SSDEEP

        arIumhp.exe

        • Path C:\Windows\System\arIumhp.exe
        • Size 5.9MB
        • SHA256 fb7a15de12deca0296c421bbeac2491e9de3f6ad82ce239bd5b1f57e75a07628
        • MD5 SHA1 SHA512 SSDEEP

        bBFIXDj.exe

        • Path C:\Windows\System\bBFIXDj.exe
        • Size 5.9MB
        • SHA256 e1a9520fafb70631fd3fa52beeee08016a65be875f94784a9d525b2f034552a4
        • MD5 SHA1 SHA512 SSDEEP

        dgCrDcJ.exe

        • Path C:\Windows\System\dgCrDcJ.exe
        • Size 5.9MB
        • SHA256 414728b57041f68d78bacf211b7f783c87f3a856d5a860f23c24b1d2eaf38225
        • MD5 SHA1 SHA512 SSDEEP

        evPtqKp.exe

        • Path C:\Windows\System\evPtqKp.exe
        • Size 5.9MB
        • SHA256 c1dd4e2a1f718cc3461f36f7d5ade10cd41dafcb9d7fc81e4e0a8e195b439f1a
        • MD5 SHA1 SHA512 SSDEEP

        fBoVwsQ.exe

        • Path C:\Windows\System\fBoVwsQ.exe
        • Size 5.9MB
        • SHA256 2c51fea8900261592e66626013a8fd7b8bbf184ed899f43ee0480a3c6b9d88bc
        • MD5 SHA1 SHA512 SSDEEP

        fflhrTY.exe

        • Path C:\Windows\System\fflhrTY.exe
        • Size 5.9MB
        • SHA256 a63d3149bde38f58e1bc5a7b2f8ee93e81c1cbf4347be509787f79420e289a01
        • MD5 SHA1 SHA512 SSDEEP

        fyMMGoF.exe

        • Path C:\Windows\System\fyMMGoF.exe
        • Size 5.9MB
        • SHA256 59c5b04832d4ac9fc227e804210fa9b13fab63ed757df88458d94cf8035fbde7
        • MD5 SHA1 SHA512 SSDEEP

        gllyxnw.exe

        • Path C:\Windows\System\gllyxnw.exe
        • Size 5.9MB
        • SHA256 a9aa99cdd15fe6ca750f33b20b9691e0288dd05f9ebd0406785b78605a53780d
        • MD5 SHA1 SHA512 SSDEEP

        hgzRhfK.exe

        • Path C:\Windows\System\hgzRhfK.exe
        • Size 5.9MB
        • SHA256 4b1ff101b95b58062b0b9b6fb22bdafc5aa9c55a57abe6a2bf66fd739891a1b6
        • MD5 SHA1 SHA512 SSDEEP

        ieGNVtM.exe

        • Path C:\Windows\System\ieGNVtM.exe
        • Size 5.9MB
        • SHA256 d174e6b5259b7ecc4b69fdd99be32e2191d987e6f76e8751afaafe7a8f5c9ea7
        • MD5 SHA1 SHA512 SSDEEP

        mbEnQSN.exe

        • Path C:\Windows\System\mbEnQSN.exe
        • Size 5.9MB
        • SHA256 1b3a28df678dde93b6a1c424a9866ee9bb306bfd26bf1cf1c474b01a1dcd2de4
        • MD5 SHA1 SHA512 SSDEEP

        psjebCt.exe

        • Path C:\Windows\System\psjebCt.exe
        • Size 5.9MB
        • SHA256 c376bcbb0f58a2fe9b4b14719e9abe53bd133d5ec2b2b01d55acffd1aa661c3e
        • MD5 SHA1 SHA512 SSDEEP

        sjvRijT.exe

        • Path C:\Windows\System\sjvRijT.exe
        • Size 5.9MB
        • SHA256 d80e1a99ddbbb2bfac8692d7d6337b0ab25744961457e0cc2f09ccfe0a8503ed
        • MD5 SHA1 SHA512 SSDEEP

        memory/676-154-0x00007FF6E0530000-0x00007FF6E0884000-memory.dmp

        memory/676-111-0x00007FF6E0530000-0x00007FF6E0884000-memory.dmp

        memory/852-138-0x00007FF77C930000-0x00007FF77CC84000-memory.dmp

        memory/852-13-0x00007FF77C930000-0x00007FF77CC84000-memory.dmp

        memory/1200-146-0x00007FF681FD0000-0x00007FF682324000-memory.dmp

        memory/1200-121-0x00007FF681FD0000-0x00007FF682324000-memory.dmp

        memory/1200-51-0x00007FF681FD0000-0x00007FF682324000-memory.dmp

        memory/2028-60-0x00007FF6DFC10000-0x00007FF6DFF64000-memory.dmp

        memory/2028-0-0x00007FF6DFC10000-0x00007FF6DFF64000-memory.dmp

        memory/2028-1-0x00000175FD010000-0x00000175FD020000-memory.dmp

        memory/2180-76-0x00007FF70EBA0000-0x00007FF70EEF4000-memory.dmp

        memory/2180-149-0x00007FF70EBA0000-0x00007FF70EEF4000-memory.dmp

        memory/2220-155-0x00007FF7F1460000-0x00007FF7F17B4000-memory.dmp

        memory/2220-112-0x00007FF7F1460000-0x00007FF7F17B4000-memory.dmp

        memory/2428-142-0x00007FF7711E0000-0x00007FF771534000-memory.dmp

        memory/2428-32-0x00007FF7711E0000-0x00007FF771534000-memory.dmp

        memory/2440-95-0x00007FF7253A0000-0x00007FF7256F4000-memory.dmp

        memory/2440-151-0x00007FF7253A0000-0x00007FF7256F4000-memory.dmp

        memory/2860-75-0x00007FF75BD60000-0x00007FF75C0B4000-memory.dmp

        memory/2860-140-0x00007FF75BD60000-0x00007FF75C0B4000-memory.dmp

        memory/2860-20-0x00007FF75BD60000-0x00007FF75C0B4000-memory.dmp

        memory/3180-157-0x00007FF677850000-0x00007FF677BA4000-memory.dmp

        memory/3180-126-0x00007FF677850000-0x00007FF677BA4000-memory.dmp

        memory/3180-137-0x00007FF677850000-0x00007FF677BA4000-memory.dmp

        memory/3492-113-0x00007FF64D2C0000-0x00007FF64D614000-memory.dmp

        memory/3492-144-0x00007FF64D2C0000-0x00007FF64D614000-memory.dmp

        memory/3492-42-0x00007FF64D2C0000-0x00007FF64D614000-memory.dmp

        memory/3540-69-0x00007FF6A27F0000-0x00007FF6A2B44000-memory.dmp

        memory/3540-148-0x00007FF6A27F0000-0x00007FF6A2B44000-memory.dmp

        memory/3652-63-0x00007FF731510000-0x00007FF731864000-memory.dmp

        memory/3652-147-0x00007FF731510000-0x00007FF731864000-memory.dmp

        memory/3652-134-0x00007FF731510000-0x00007FF731864000-memory.dmp

        memory/3708-158-0x00007FF6F4D20000-0x00007FF6F5074000-memory.dmp

        memory/3708-133-0x00007FF6F4D20000-0x00007FF6F5074000-memory.dmp

        memory/3836-135-0x00007FF7F9290000-0x00007FF7F95E4000-memory.dmp

        memory/3836-150-0x00007FF7F9290000-0x00007FF7F95E4000-memory.dmp

        memory/3836-84-0x00007FF7F9290000-0x00007FF7F95E4000-memory.dmp

        memory/4444-100-0x00007FF792180000-0x00007FF7924D4000-memory.dmp

        memory/4444-152-0x00007FF792180000-0x00007FF7924D4000-memory.dmp

        memory/4568-145-0x00007FF72E9E0000-0x00007FF72ED34000-memory.dmp

        memory/4568-53-0x00007FF72E9E0000-0x00007FF72ED34000-memory.dmp

        memory/4568-132-0x00007FF72E9E0000-0x00007FF72ED34000-memory.dmp

        memory/4616-26-0x00007FF7D8C20000-0x00007FF7D8F74000-memory.dmp

        memory/4616-141-0x00007FF7D8C20000-0x00007FF7D8F74000-memory.dmp

        memory/4632-156-0x00007FF7F9FA0000-0x00007FF7FA2F4000-memory.dmp

        memory/4632-123-0x00007FF7F9FA0000-0x00007FF7FA2F4000-memory.dmp

        memory/4636-136-0x00007FF765980000-0x00007FF765CD4000-memory.dmp

        memory/4636-101-0x00007FF765980000-0x00007FF765CD4000-memory.dmp

        memory/4636-153-0x00007FF765980000-0x00007FF765CD4000-memory.dmp

        memory/4920-114-0x00007FF7213C0000-0x00007FF721714000-memory.dmp

        memory/4920-143-0x00007FF7213C0000-0x00007FF721714000-memory.dmp

        memory/4920-47-0x00007FF7213C0000-0x00007FF721714000-memory.dmp

        memory/5004-19-0x00007FF7F1F90000-0x00007FF7F22E4000-memory.dmp

        memory/5004-139-0x00007FF7F1F90000-0x00007FF7F22E4000-memory.dmp