Analysis

  • max time kernel
    138s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 12:14

General

  • Target
    2024-05-25_ee64a18e4cdf1da5dc37842152825058_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240525-peeswsaa3w
  • SHA256 90f687bd0dc89bc2c12725bd6798fee0ffbd57bb87620d93b2d5df0b4ec2d4c7
  • 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\2024-05-25_ee64a18e4cdf1da5dc37842152825058_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_ee64a18e4cdf1da5dc37842152825058_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\System\dxjjBYN.exe
      C:\Windows\System\dxjjBYN.exe
      2⤵
      • Executes dropped EXE
      PID:3556
    • C:\Windows\System\DEyKQYv.exe
      C:\Windows\System\DEyKQYv.exe
      2⤵
      • Executes dropped EXE
      PID:3752
    • C:\Windows\System\dYQPdPA.exe
      C:\Windows\System\dYQPdPA.exe
      2⤵
      • Executes dropped EXE
      PID:5092
    • C:\Windows\System\AxVvPrg.exe
      C:\Windows\System\AxVvPrg.exe
      2⤵
      • Executes dropped EXE
      PID:4308
    • C:\Windows\System\RNAaLfm.exe
      C:\Windows\System\RNAaLfm.exe
      2⤵
      • Executes dropped EXE
      PID:872
    • C:\Windows\System\JCPFAiR.exe
      C:\Windows\System\JCPFAiR.exe
      2⤵
      • Executes dropped EXE
      PID:1264
    • C:\Windows\System\YttiBvn.exe
      C:\Windows\System\YttiBvn.exe
      2⤵
      • Executes dropped EXE
      PID:4400
    • C:\Windows\System\wRLZOjR.exe
      C:\Windows\System\wRLZOjR.exe
      2⤵
      • Executes dropped EXE
      PID:2064
    • C:\Windows\System\vWjqLHr.exe
      C:\Windows\System\vWjqLHr.exe
      2⤵
      • Executes dropped EXE
      PID:3096
    • C:\Windows\System\eUyaGzp.exe
      C:\Windows\System\eUyaGzp.exe
      2⤵
      • Executes dropped EXE
      PID:3312
    • C:\Windows\System\KYhDIcl.exe
      C:\Windows\System\KYhDIcl.exe
      2⤵
      • Executes dropped EXE
      PID:1168
    • C:\Windows\System\rImKckJ.exe
      C:\Windows\System\rImKckJ.exe
      2⤵
      • Executes dropped EXE
      PID:2488
    • C:\Windows\System\RwzbZDb.exe
      C:\Windows\System\RwzbZDb.exe
      2⤵
      • Executes dropped EXE
      PID:3152
    • C:\Windows\System\eVkkiWT.exe
      C:\Windows\System\eVkkiWT.exe
      2⤵
      • Executes dropped EXE
      PID:4552
    • C:\Windows\System\jzdkBys.exe
      C:\Windows\System\jzdkBys.exe
      2⤵
      • Executes dropped EXE
      PID:3156
    • C:\Windows\System\zxxNPzS.exe
      C:\Windows\System\zxxNPzS.exe
      2⤵
      • Executes dropped EXE
      PID:4376
    • C:\Windows\System\ISuJCuH.exe
      C:\Windows\System\ISuJCuH.exe
      2⤵
      • Executes dropped EXE
      PID:4736
    • C:\Windows\System\uQqrLCn.exe
      C:\Windows\System\uQqrLCn.exe
      2⤵
      • Executes dropped EXE
      PID:1668
    • C:\Windows\System\PCRtyLP.exe
      C:\Windows\System\PCRtyLP.exe
      2⤵
      • Executes dropped EXE
      PID:4872
    • C:\Windows\System\MJcKzMz.exe
      C:\Windows\System\MJcKzMz.exe
      2⤵
      • Executes dropped EXE
      PID:3712
    • C:\Windows\System\gxJKTQE.exe
      C:\Windows\System\gxJKTQE.exe
      2⤵
      • Executes dropped EXE
      PID:4844

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AxVvPrg.exe

        • Path C:\Windows\System\AxVvPrg.exe
        • Size 5.9MB
        • SHA256 03e13b3f1eafe48e915a5e62033f0b82b5d9921d2438d46388b5cf71aca991f3
        • MD5 SHA1 SHA512 SSDEEP

        DEyKQYv.exe

        • Path C:\Windows\System\DEyKQYv.exe
        • Size 5.9MB
        • SHA256 744fabba92145b52c0033224251b372b559d2b0592112ba200811c172e86190a
        • MD5 SHA1 SHA512 SSDEEP

        ISuJCuH.exe

        • Path C:\Windows\System\ISuJCuH.exe
        • Size 5.9MB
        • SHA256 03265d9b5417d036377d7872b7eefb21dcfb4b0f056c253218bfa116aa008017
        • MD5 SHA1 SHA512 SSDEEP

        JCPFAiR.exe

        • Path C:\Windows\System\JCPFAiR.exe
        • Size 5.9MB
        • SHA256 3b895547ad5f449ec2ea08252936f9542d281df07c21acc87838d61424c452e7
        • MD5 SHA1 SHA512 SSDEEP

        KYhDIcl.exe

        • Path C:\Windows\System\KYhDIcl.exe
        • Size 5.9MB
        • SHA256 17b1f7ab82829d0dcae36e064d78bd130171351abf6574344165785d9956ae7b
        • MD5 SHA1 SHA512 SSDEEP

        MJcKzMz.exe

        • Path C:\Windows\System\MJcKzMz.exe
        • Size 5.9MB
        • SHA256 34a01ac6c14d7f8bab75c7f233d3f498fe8cd6f88e699d0c8193e019b1982e4f
        • MD5 SHA1 SHA512 SSDEEP

        PCRtyLP.exe

        • Path C:\Windows\System\PCRtyLP.exe
        • Size 5.9MB
        • SHA256 146d83f4d597fbcb67ef2291270a564dbf50dfbc98e8857f0b458a9ca6115399
        • MD5 SHA1 SHA512 SSDEEP

        RNAaLfm.exe

        • Path C:\Windows\System\RNAaLfm.exe
        • Size 5.9MB
        • SHA256 cdac2ecc8743a3538f87b5deb6257c2a68772704c556d63672913582ac5e63e0
        • MD5 SHA1 SHA512 SSDEEP

        RwzbZDb.exe

        • Path C:\Windows\System\RwzbZDb.exe
        • Size 5.9MB
        • SHA256 fcaefd512ae01fe01b5346de7e66ad4b3ab0a132d6f84afa980d7f8e181e6c34
        • MD5 SHA1 SHA512 SSDEEP

        YttiBvn.exe

        • Path C:\Windows\System\YttiBvn.exe
        • Size 5.9MB
        • SHA256 a3af25759c51748aa3e3eb3ac9e7451812bb88917d0bb7f9e483c47b18b4f61f
        • MD5 SHA1 SHA512 SSDEEP

        dYQPdPA.exe

        • Path C:\Windows\System\dYQPdPA.exe
        • Size 5.9MB
        • SHA256 01dc5c4fe19c4b15fdc91385fe5252e2f9b806841cb5396294dbb786c6172cc3
        • MD5 SHA1 SHA512 SSDEEP

        dxjjBYN.exe

        • Path C:\Windows\System\dxjjBYN.exe
        • Size 5.9MB
        • SHA256 4f13f066e85aa2cc02343e9cb0f78ea5df0adcec08dba9e57da056fcbf10be29
        • MD5 SHA1 SHA512 SSDEEP

        eUyaGzp.exe

        • Path C:\Windows\System\eUyaGzp.exe
        • Size 5.9MB
        • SHA256 7f3753f0a742e291c1d8faaa3dafd665a54343e0acd6a6f5d1b60483db848a6f
        • MD5 SHA1 SHA512 SSDEEP

        eVkkiWT.exe

        • Path C:\Windows\System\eVkkiWT.exe
        • Size 5.9MB
        • SHA256 27e28cc2073d556ac786a094eb0339980bbaeb39e66466d4694b296d1657fe29
        • MD5 SHA1 SHA512 SSDEEP

        gxJKTQE.exe

        • Path C:\Windows\System\gxJKTQE.exe
        • Size 5.9MB
        • SHA256 d14bb814f5bc1419ed32b396ea8c1b425f6a2b1e024c392a82215a77310187fe
        • MD5 SHA1 SHA512 SSDEEP

        jzdkBys.exe

        • Path C:\Windows\System\jzdkBys.exe
        • Size 5.9MB
        • SHA256 5c1461ef6f3cc6c19af55a004a0a5eea4a48b071c171ff0d1557b0a662b11a11
        • MD5 SHA1 SHA512 SSDEEP

        rImKckJ.exe

        • Path C:\Windows\System\rImKckJ.exe
        • Size 5.9MB
        • SHA256 d65048179bb48952e711f5c91d39f6587bdeb7c0730d6b93f1c1a3dc5c08bda9
        • MD5 SHA1 SHA512 SSDEEP

        uQqrLCn.exe

        • Path C:\Windows\System\uQqrLCn.exe
        • Size 5.9MB
        • SHA256 10de141765eb1c35cb425e9263fc99e0e822b975ef7cac43b65d0716722793b3
        • MD5 SHA1 SHA512 SSDEEP

        vWjqLHr.exe

        • Path C:\Windows\System\vWjqLHr.exe
        • Size 5.9MB
        • SHA256 9d7ff390e929cf27b61f7b982ddfa760c7f79c1651dbe41ffc149c809e258c9d
        • MD5 SHA1 SHA512 SSDEEP

        wRLZOjR.exe

        • Path C:\Windows\System\wRLZOjR.exe
        • Size 5.9MB
        • SHA256 2c302b42a66d34781aa9b6e91476ea1fd8f79143b15eac1c9c8be2898a3298e4
        • MD5 SHA1 SHA512 SSDEEP

        zxxNPzS.exe

        • Path C:\Windows\System\zxxNPzS.exe
        • Size 5.9MB
        • SHA256 09c6869ab860de1cfd1779d179a85028e5244e0ef375d1dea01090db9054af9e
        • MD5 SHA1 SHA512 SSDEEP

        memory/872-31-0x00007FF7A9110000-0x00007FF7A9464000-memory.dmp

        memory/872-129-0x00007FF7A9110000-0x00007FF7A9464000-memory.dmp

        memory/872-135-0x00007FF7A9110000-0x00007FF7A9464000-memory.dmp

        memory/1168-116-0x00007FF6F48C0000-0x00007FF6F4C14000-memory.dmp

        memory/1168-140-0x00007FF6F48C0000-0x00007FF6F4C14000-memory.dmp

        memory/1264-136-0x00007FF729880000-0x00007FF729BD4000-memory.dmp

        memory/1264-38-0x00007FF729880000-0x00007FF729BD4000-memory.dmp

        memory/1668-147-0x00007FF7B89D0000-0x00007FF7B8D24000-memory.dmp

        memory/1668-124-0x00007FF7B89D0000-0x00007FF7B8D24000-memory.dmp

        memory/2064-138-0x00007FF6B67B0000-0x00007FF6B6B04000-memory.dmp

        memory/2064-58-0x00007FF6B67B0000-0x00007FF6B6B04000-memory.dmp

        memory/2488-141-0x00007FF6E3D90000-0x00007FF6E40E4000-memory.dmp

        memory/2488-118-0x00007FF6E3D90000-0x00007FF6E40E4000-memory.dmp

        memory/3096-139-0x00007FF715710000-0x00007FF715A64000-memory.dmp

        memory/3096-59-0x00007FF715710000-0x00007FF715A64000-memory.dmp

        memory/3152-119-0x00007FF715D60000-0x00007FF7160B4000-memory.dmp

        memory/3152-142-0x00007FF715D60000-0x00007FF7160B4000-memory.dmp

        memory/3156-144-0x00007FF66B8D0000-0x00007FF66BC24000-memory.dmp

        memory/3156-121-0x00007FF66B8D0000-0x00007FF66BC24000-memory.dmp

        memory/3312-151-0x00007FF6D8B60000-0x00007FF6D8EB4000-memory.dmp

        memory/3312-130-0x00007FF6D8B60000-0x00007FF6D8EB4000-memory.dmp

        memory/3312-63-0x00007FF6D8B60000-0x00007FF6D8EB4000-memory.dmp

        memory/3556-131-0x00007FF75F5E0000-0x00007FF75F934000-memory.dmp

        memory/3556-8-0x00007FF75F5E0000-0x00007FF75F934000-memory.dmp

        memory/3712-150-0x00007FF6E3040000-0x00007FF6E3394000-memory.dmp

        memory/3712-126-0x00007FF6E3040000-0x00007FF6E3394000-memory.dmp

        memory/3752-15-0x00007FF795240000-0x00007FF795594000-memory.dmp

        memory/3752-132-0x00007FF795240000-0x00007FF795594000-memory.dmp

        memory/4308-26-0x00007FF7C8020000-0x00007FF7C8374000-memory.dmp

        memory/4308-134-0x00007FF7C8020000-0x00007FF7C8374000-memory.dmp

        memory/4376-122-0x00007FF624750000-0x00007FF624AA4000-memory.dmp

        memory/4376-145-0x00007FF624750000-0x00007FF624AA4000-memory.dmp

        memory/4400-57-0x00007FF66E820000-0x00007FF66EB74000-memory.dmp

        memory/4400-137-0x00007FF66E820000-0x00007FF66EB74000-memory.dmp

        memory/4552-120-0x00007FF6FB110000-0x00007FF6FB464000-memory.dmp

        memory/4552-143-0x00007FF6FB110000-0x00007FF6FB464000-memory.dmp

        memory/4736-146-0x00007FF6BA020000-0x00007FF6BA374000-memory.dmp

        memory/4736-123-0x00007FF6BA020000-0x00007FF6BA374000-memory.dmp

        memory/4844-149-0x00007FF626960000-0x00007FF626CB4000-memory.dmp

        memory/4844-127-0x00007FF626960000-0x00007FF626CB4000-memory.dmp

        memory/4872-125-0x00007FF7638F0000-0x00007FF763C44000-memory.dmp

        memory/4872-148-0x00007FF7638F0000-0x00007FF763C44000-memory.dmp

        memory/5080-128-0x00007FF65FAB0000-0x00007FF65FE04000-memory.dmp

        memory/5080-1-0x000001C1F7BF0000-0x000001C1F7C00000-memory.dmp

        memory/5080-0-0x00007FF65FAB0000-0x00007FF65FE04000-memory.dmp

        memory/5092-20-0x00007FF74E940000-0x00007FF74EC94000-memory.dmp

        memory/5092-133-0x00007FF74E940000-0x00007FF74EC94000-memory.dmp