Analysis

  • max time kernel
    142s
  • max time network
    150s
  • 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, 02:24

General

  • Target
    2024-06-01_ca981df9780aa4016873a2dd82f249f9_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-cvxbnaef2w
  • SHA256 d50c18e056a3c90b312b78c6b2ba54d7e20a9eaf4bc2bba24ee9e874b4b37311
  • 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_ca981df9780aa4016873a2dd82f249f9_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_ca981df9780aa4016873a2dd82f249f9_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\System\geUXSbj.exe
      C:\Windows\System\geUXSbj.exe
      2⤵
      • Executes dropped EXE
      PID:3164
    • C:\Windows\System\sdIAsql.exe
      C:\Windows\System\sdIAsql.exe
      2⤵
      • Executes dropped EXE
      PID:3536
    • C:\Windows\System\DBqyGqC.exe
      C:\Windows\System\DBqyGqC.exe
      2⤵
      • Executes dropped EXE
      PID:1016
    • C:\Windows\System\rvpPElN.exe
      C:\Windows\System\rvpPElN.exe
      2⤵
      • Executes dropped EXE
      PID:2344
    • C:\Windows\System\YiFMFnq.exe
      C:\Windows\System\YiFMFnq.exe
      2⤵
      • Executes dropped EXE
      PID:2912
    • C:\Windows\System\XspuvEW.exe
      C:\Windows\System\XspuvEW.exe
      2⤵
      • Executes dropped EXE
      PID:2068
    • C:\Windows\System\MslYKZM.exe
      C:\Windows\System\MslYKZM.exe
      2⤵
      • Executes dropped EXE
      PID:3852
    • C:\Windows\System\zqMGNTR.exe
      C:\Windows\System\zqMGNTR.exe
      2⤵
      • Executes dropped EXE
      PID:4660
    • C:\Windows\System\lRYLGIS.exe
      C:\Windows\System\lRYLGIS.exe
      2⤵
      • Executes dropped EXE
      PID:2220
    • C:\Windows\System\PCbFVQw.exe
      C:\Windows\System\PCbFVQw.exe
      2⤵
      • Executes dropped EXE
      PID:4468
    • C:\Windows\System\KZsoNqI.exe
      C:\Windows\System\KZsoNqI.exe
      2⤵
      • Executes dropped EXE
      PID:3184
    • C:\Windows\System\iPuAAqq.exe
      C:\Windows\System\iPuAAqq.exe
      2⤵
      • Executes dropped EXE
      PID:4820
    • C:\Windows\System\QpumNuV.exe
      C:\Windows\System\QpumNuV.exe
      2⤵
      • Executes dropped EXE
      PID:4460
    • C:\Windows\System\uQEOIwn.exe
      C:\Windows\System\uQEOIwn.exe
      2⤵
      • Executes dropped EXE
      PID:4636
    • C:\Windows\System\gyfavYs.exe
      C:\Windows\System\gyfavYs.exe
      2⤵
      • Executes dropped EXE
      PID:4032
    • C:\Windows\System\gtamfCR.exe
      C:\Windows\System\gtamfCR.exe
      2⤵
      • Executes dropped EXE
      PID:1588
    • C:\Windows\System\ERohUpG.exe
      C:\Windows\System\ERohUpG.exe
      2⤵
      • Executes dropped EXE
      PID:4840
    • C:\Windows\System\OAWlhif.exe
      C:\Windows\System\OAWlhif.exe
      2⤵
      • Executes dropped EXE
      PID:3196
    • C:\Windows\System\zFGknos.exe
      C:\Windows\System\zFGknos.exe
      2⤵
      • Executes dropped EXE
      PID:2356
    • C:\Windows\System\OwGjHGv.exe
      C:\Windows\System\OwGjHGv.exe
      2⤵
      • Executes dropped EXE
      PID:4092
    • C:\Windows\System\IeqhwUK.exe
      C:\Windows\System\IeqhwUK.exe
      2⤵
      • Executes dropped EXE
      PID:2280

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DBqyGqC.exe

        • Path C:\Windows\System\DBqyGqC.exe
        • Size 5.9MB
        • SHA256 6fc5ffa4d8fadf41b5b6095c58860872f311d6d893686f73ff6aad82d31e616d
        • MD5 SHA1 SHA512 SSDEEP

        ERohUpG.exe

        • Path C:\Windows\System\ERohUpG.exe
        • Size 5.9MB
        • SHA256 31d208fff92e22ea4ef5fe19f0c04f6beae5be826e3191ecbdffb94415e3de50
        • MD5 SHA1 SHA512 SSDEEP

        IeqhwUK.exe

        • Path C:\Windows\System\IeqhwUK.exe
        • Size 5.9MB
        • SHA256 3ea8ccf8f252d59de27c454cdc538e55f234498465d22a89682e129cc97c77b9
        • MD5 SHA1 SHA512 SSDEEP

        KZsoNqI.exe

        • Path C:\Windows\System\KZsoNqI.exe
        • Size 5.9MB
        • SHA256 b3cd6503e1dc3d3ff92b4db4a64d0d14147b56b08c86e50ba415288487204f89
        • MD5 SHA1 SHA512 SSDEEP

        MslYKZM.exe

        • Path C:\Windows\System\MslYKZM.exe
        • Size 5.9MB
        • SHA256 d37d81dd3540349656ab7e4d5aef9d67039b9f8516f8cd73e6b0ded6b9b41bf7
        • MD5 SHA1 SHA512 SSDEEP

        OAWlhif.exe

        • Path C:\Windows\System\OAWlhif.exe
        • Size 5.9MB
        • SHA256 948f33d8370ae07f0b6e985b3fe489927207b366934c5f3ac6747f335b78636b
        • MD5 SHA1 SHA512 SSDEEP

        OwGjHGv.exe

        • Path C:\Windows\System\OwGjHGv.exe
        • Size 5.9MB
        • SHA256 0669f5953aa77fd009ad5cd5de2a6d438b0bf0167d640301cc906cfa4b3f0f99
        • MD5 SHA1 SHA512 SSDEEP

        PCbFVQw.exe

        • Path C:\Windows\System\PCbFVQw.exe
        • Size 5.9MB
        • SHA256 895ba6ce32d92dea506eda83c0964265dace57917772c844e397486f6aafbd40
        • MD5 SHA1 SHA512 SSDEEP

        QpumNuV.exe

        • Path C:\Windows\System\QpumNuV.exe
        • Size 5.9MB
        • SHA256 3ea26660b4eea6ad08a45bedf40db4c9de5ea295b80614d101935b0af3e8ff9b
        • MD5 SHA1 SHA512 SSDEEP

        XspuvEW.exe

        • Path C:\Windows\System\XspuvEW.exe
        • Size 5.9MB
        • SHA256 7f42cc29e84349081d0ada8ec7332f29f6b1e1df79ca093863a7db31fa8fdcb1
        • MD5 SHA1 SHA512 SSDEEP

        YiFMFnq.exe

        • Path C:\Windows\System\YiFMFnq.exe
        • Size 5.9MB
        • SHA256 eb52c51fc469c82b473c8b312b71d5ae7656b307bdfe5c00be0b768da3c847f8
        • MD5 SHA1 SHA512 SSDEEP

        geUXSbj.exe

        • Path C:\Windows\System\geUXSbj.exe
        • Size 5.9MB
        • SHA256 50eb72472b7242b6f25f766dbdfab069b0971aabd8f4d6bffe6f3745c2e5bf23
        • MD5 SHA1 SHA512 SSDEEP

        gtamfCR.exe

        • Path C:\Windows\System\gtamfCR.exe
        • Size 5.9MB
        • SHA256 6d1978464bc886e71cef1966e30f60294074f6338d16c634c4ddd7741ec7ddbf
        • MD5 SHA1 SHA512 SSDEEP

        gyfavYs.exe

        • Path C:\Windows\System\gyfavYs.exe
        • Size 5.9MB
        • SHA256 20264c7ad4a159f36bd7de28581c35be143ce50201e8dbdfdd17da84fa51a0a6
        • MD5 SHA1 SHA512 SSDEEP

        iPuAAqq.exe

        • Path C:\Windows\System\iPuAAqq.exe
        • Size 5.9MB
        • SHA256 b01e44a8da46ef47ce302dd45cdf9aa868b6c68e6c498c5679de055c9a753803
        • MD5 SHA1 SHA512 SSDEEP

        lRYLGIS.exe

        • Path C:\Windows\System\lRYLGIS.exe
        • Size 5.9MB
        • SHA256 4ac6c974c0913da281b7f8778870f909dc2406643c911fa621d8dcd0bbaec3f9
        • MD5 SHA1 SHA512 SSDEEP

        rvpPElN.exe

        • Path C:\Windows\System\rvpPElN.exe
        • Size 5.9MB
        • SHA256 6a2977bdc99e934ef9bf259d43a570997da2126b3b929d5b942075acd648d8c0
        • MD5 SHA1 SHA512 SSDEEP

        sdIAsql.exe

        • Path C:\Windows\System\sdIAsql.exe
        • Size 5.9MB
        • SHA256 57abff8ca4d8074cc33d76d73bf1724fe267dcf1c2446493d63b97649bdaf648
        • MD5 SHA1 SHA512 SSDEEP

        uQEOIwn.exe

        • Path C:\Windows\System\uQEOIwn.exe
        • Size 5.9MB
        • SHA256 7a6d32c8ce244d46a0938497b7d3e8f9485a4c681ddf70789e156df7f763d289
        • MD5 SHA1 SHA512 SSDEEP

        zFGknos.exe

        • Path C:\Windows\System\zFGknos.exe
        • Size 5.9MB
        • SHA256 ccff3d6d9d2e19d43601c6963489c2313909eb023f1ba7054558df8f6dcd83cc
        • MD5 SHA1 SHA512 SSDEEP

        zqMGNTR.exe

        • Path C:\Windows\System\zqMGNTR.exe
        • Size 5.9MB
        • SHA256 e1e71aaa5a2d008886fe87bee0b682cdf91487c0bae28a192c48df6f4d31e81c
        • MD5 SHA1 SHA512 SSDEEP

        memory/1016-20-0x00007FF6BC4C0000-0x00007FF6BC814000-memory.dmp

        memory/1016-131-0x00007FF6BC4C0000-0x00007FF6BC814000-memory.dmp

        memory/1016-139-0x00007FF6BC4C0000-0x00007FF6BC814000-memory.dmp

        memory/1588-122-0x00007FF7D2AD0000-0x00007FF7D2E24000-memory.dmp

        memory/1588-151-0x00007FF7D2AD0000-0x00007FF7D2E24000-memory.dmp

        memory/1884-0-0x00007FF6F4D80000-0x00007FF6F50D4000-memory.dmp

        memory/1884-119-0x00007FF6F4D80000-0x00007FF6F50D4000-memory.dmp

        memory/1884-1-0x0000017EE3710000-0x0000017EE3720000-memory.dmp

        memory/2068-38-0x00007FF707800000-0x00007FF707B54000-memory.dmp

        memory/2068-142-0x00007FF707800000-0x00007FF707B54000-memory.dmp

        memory/2220-57-0x00007FF716FD0000-0x00007FF717324000-memory.dmp

        memory/2220-145-0x00007FF716FD0000-0x00007FF717324000-memory.dmp

        memory/2280-157-0x00007FF6C50B0000-0x00007FF6C5404000-memory.dmp

        memory/2280-127-0x00007FF6C50B0000-0x00007FF6C5404000-memory.dmp

        memory/2344-25-0x00007FF639380000-0x00007FF6396D4000-memory.dmp

        memory/2344-140-0x00007FF639380000-0x00007FF6396D4000-memory.dmp

        memory/2344-132-0x00007FF639380000-0x00007FF6396D4000-memory.dmp

        memory/2356-155-0x00007FF7180F0000-0x00007FF718444000-memory.dmp

        memory/2356-125-0x00007FF7180F0000-0x00007FF718444000-memory.dmp

        memory/2912-30-0x00007FF721360000-0x00007FF7216B4000-memory.dmp

        memory/2912-133-0x00007FF721360000-0x00007FF7216B4000-memory.dmp

        memory/2912-141-0x00007FF721360000-0x00007FF7216B4000-memory.dmp

        memory/3164-137-0x00007FF665440000-0x00007FF665794000-memory.dmp

        memory/3164-129-0x00007FF665440000-0x00007FF665794000-memory.dmp

        memory/3164-8-0x00007FF665440000-0x00007FF665794000-memory.dmp

        memory/3184-135-0x00007FF7520E0000-0x00007FF752434000-memory.dmp

        memory/3184-69-0x00007FF7520E0000-0x00007FF752434000-memory.dmp

        memory/3184-148-0x00007FF7520E0000-0x00007FF752434000-memory.dmp

        memory/3196-124-0x00007FF6F8D20000-0x00007FF6F9074000-memory.dmp

        memory/3196-154-0x00007FF6F8D20000-0x00007FF6F9074000-memory.dmp

        memory/3536-13-0x00007FF79CA00000-0x00007FF79CD54000-memory.dmp

        memory/3536-130-0x00007FF79CA00000-0x00007FF79CD54000-memory.dmp

        memory/3536-138-0x00007FF79CA00000-0x00007FF79CD54000-memory.dmp

        memory/3852-54-0x00007FF711BE0000-0x00007FF711F34000-memory.dmp

        memory/3852-143-0x00007FF711BE0000-0x00007FF711F34000-memory.dmp

        memory/4032-121-0x00007FF607F10000-0x00007FF608264000-memory.dmp

        memory/4032-152-0x00007FF607F10000-0x00007FF608264000-memory.dmp

        memory/4092-156-0x00007FF6ADE00000-0x00007FF6AE154000-memory.dmp

        memory/4092-126-0x00007FF6ADE00000-0x00007FF6AE154000-memory.dmp

        memory/4460-149-0x00007FF7316B0000-0x00007FF731A04000-memory.dmp

        memory/4460-120-0x00007FF7316B0000-0x00007FF731A04000-memory.dmp

        memory/4468-146-0x00007FF7C6D50000-0x00007FF7C70A4000-memory.dmp

        memory/4468-134-0x00007FF7C6D50000-0x00007FF7C70A4000-memory.dmp

        memory/4468-60-0x00007FF7C6D50000-0x00007FF7C70A4000-memory.dmp

        memory/4636-128-0x00007FF75D210000-0x00007FF75D564000-memory.dmp

        memory/4636-150-0x00007FF75D210000-0x00007FF75D564000-memory.dmp

        memory/4660-59-0x00007FF7377A0000-0x00007FF737AF4000-memory.dmp

        memory/4660-144-0x00007FF7377A0000-0x00007FF737AF4000-memory.dmp

        memory/4820-72-0x00007FF673AB0000-0x00007FF673E04000-memory.dmp

        memory/4820-136-0x00007FF673AB0000-0x00007FF673E04000-memory.dmp

        memory/4820-147-0x00007FF673AB0000-0x00007FF673E04000-memory.dmp

        memory/4840-153-0x00007FF7D35E0000-0x00007FF7D3934000-memory.dmp

        memory/4840-123-0x00007FF7D35E0000-0x00007FF7D3934000-memory.dmp