Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 07:58

General

  • Target
    a1ea4248d6ec9c946b53c6976251423e398f6577839f86a1f52e5b765699b460.exe
  • Size 5.9MB
  • Sample240601-jvaafseg2w
  • SHA256 a1ea4248d6ec9c946b53c6976251423e398f6577839f86a1f52e5b765699b460
  • 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.

  • 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\a1ea4248d6ec9c946b53c6976251423e398f6577839f86a1f52e5b765699b460.exe
    "C:\Users\Admin\AppData\Local\Temp\a1ea4248d6ec9c946b53c6976251423e398f6577839f86a1f52e5b765699b460.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:668
    • C:\Windows\System\XhMEMJV.exe
      C:\Windows\System\XhMEMJV.exe
      2⤵
      • Executes dropped EXE
      PID:3016
    • C:\Windows\System\LynGdmX.exe
      C:\Windows\System\LynGdmX.exe
      2⤵
      • Executes dropped EXE
      PID:224
    • C:\Windows\System\CGDpPTk.exe
      C:\Windows\System\CGDpPTk.exe
      2⤵
      • Executes dropped EXE
      PID:4472
    • C:\Windows\System\ZxWEQRG.exe
      C:\Windows\System\ZxWEQRG.exe
      2⤵
      • Executes dropped EXE
      PID:5064
    • C:\Windows\System\kGiVVCD.exe
      C:\Windows\System\kGiVVCD.exe
      2⤵
      • Executes dropped EXE
      PID:2324
    • C:\Windows\System\TfoqopQ.exe
      C:\Windows\System\TfoqopQ.exe
      2⤵
      • Executes dropped EXE
      PID:1484
    • C:\Windows\System\oxhFMXU.exe
      C:\Windows\System\oxhFMXU.exe
      2⤵
      • Executes dropped EXE
      PID:2428
    • C:\Windows\System\xUnMnxQ.exe
      C:\Windows\System\xUnMnxQ.exe
      2⤵
      • Executes dropped EXE
      PID:4776
    • C:\Windows\System\YCEzDDb.exe
      C:\Windows\System\YCEzDDb.exe
      2⤵
      • Executes dropped EXE
      PID:1060
    • C:\Windows\System\DynDPzK.exe
      C:\Windows\System\DynDPzK.exe
      2⤵
      • Executes dropped EXE
      PID:2568
    • C:\Windows\System\jMwJUqd.exe
      C:\Windows\System\jMwJUqd.exe
      2⤵
      • Executes dropped EXE
      PID:2904
    • C:\Windows\System\WqmfZcN.exe
      C:\Windows\System\WqmfZcN.exe
      2⤵
      • Executes dropped EXE
      PID:5044
    • C:\Windows\System\cLMbUKI.exe
      C:\Windows\System\cLMbUKI.exe
      2⤵
      • Executes dropped EXE
      PID:5092
    • C:\Windows\System\fCTcsmk.exe
      C:\Windows\System\fCTcsmk.exe
      2⤵
      • Executes dropped EXE
      PID:4792
    • C:\Windows\System\uYTPwmv.exe
      C:\Windows\System\uYTPwmv.exe
      2⤵
      • Executes dropped EXE
      PID:4532
    • C:\Windows\System\fqkorfq.exe
      C:\Windows\System\fqkorfq.exe
      2⤵
      • Executes dropped EXE
      PID:2580
    • C:\Windows\System\hIcwodA.exe
      C:\Windows\System\hIcwodA.exe
      2⤵
      • Executes dropped EXE
      PID:1036
    • C:\Windows\System\lUKebSW.exe
      C:\Windows\System\lUKebSW.exe
      2⤵
      • Executes dropped EXE
      PID:1600
    • C:\Windows\System\zZEjaHp.exe
      C:\Windows\System\zZEjaHp.exe
      2⤵
      • Executes dropped EXE
      PID:4868
    • C:\Windows\System\pSGjtXk.exe
      C:\Windows\System\pSGjtXk.exe
      2⤵
      • Executes dropped EXE
      PID:1184
    • C:\Windows\System\LIrHUfP.exe
      C:\Windows\System\LIrHUfP.exe
      2⤵
      • Executes dropped EXE
      PID:1956

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CGDpPTk.exe

        • Path C:\Windows\System\CGDpPTk.exe
        • Size 5.9MB
        • SHA256 e8cf8ab5a07a28da8bd64bb88c95b20fa8cafa9f340ce0e53dcaeb438ab9dae2
        • MD5 SHA1 SHA512 SSDEEP

        DynDPzK.exe

        • Path C:\Windows\System\DynDPzK.exe
        • Size 5.9MB
        • SHA256 798a9a0ab38d38b431d9a35b3f9adac36b13df43f33c7550002de94b59cbfad9
        • MD5 SHA1 SHA512 SSDEEP

        LIrHUfP.exe

        • Path C:\Windows\System\LIrHUfP.exe
        • Size 5.9MB
        • SHA256 764f6b3aa7f7278f1e0b9b532261221c770834be1729c1e73d5e39abb100e655
        • MD5 SHA1 SHA512 SSDEEP

        LynGdmX.exe

        • Path C:\Windows\System\LynGdmX.exe
        • Size 5.9MB
        • SHA256 fcbd5f34186b6f419b64f6eeedf3d375edd41760b5cce1f5c0687b58c3e51655
        • MD5 SHA1 SHA512 SSDEEP

        TfoqopQ.exe

        • Path C:\Windows\System\TfoqopQ.exe
        • Size 5.9MB
        • SHA256 48655dc68912813f7a378ebfcf131e3517383ee845fb9b228b1fc7b0eac3d5c7
        • MD5 SHA1 SHA512 SSDEEP

        WqmfZcN.exe

        • Path C:\Windows\System\WqmfZcN.exe
        • Size 5.9MB
        • SHA256 5f83f7ac9998012d5b59d574b213c8ea9528428361e969d6570b8f1c56a5c6a8
        • MD5 SHA1 SHA512 SSDEEP

        XhMEMJV.exe

        • Path C:\Windows\System\XhMEMJV.exe
        • Size 5.9MB
        • SHA256 a1a3ba87266187c08e13c09b3fea11186f6d615c09d02a06b2f592bcb92e22f2
        • MD5 SHA1 SHA512 SSDEEP

        YCEzDDb.exe

        • Path C:\Windows\System\YCEzDDb.exe
        • Size 5.9MB
        • SHA256 0ea5b35dbd7bc5e1d9ab62fdb20a6a72dd62c054071a74b9ed28455a4d18b1bf
        • MD5 SHA1 SHA512 SSDEEP

        ZxWEQRG.exe

        • Path C:\Windows\System\ZxWEQRG.exe
        • Size 5.9MB
        • SHA256 72e0bc9e0c92813164a7c19049a986ce4ead1fd4b45f5b3345ac7913034c5ead
        • MD5 SHA1 SHA512 SSDEEP

        cLMbUKI.exe

        • Path C:\Windows\System\cLMbUKI.exe
        • Size 5.9MB
        • SHA256 bc79a5759be2392229febd8103faa3f37926d59973c1fea028c737cd02dfcf4e
        • MD5 SHA1 SHA512 SSDEEP

        fCTcsmk.exe

        • Path C:\Windows\System\fCTcsmk.exe
        • Size 5.9MB
        • SHA256 657d2e359936495484b39285123555f2201ca04bd0f0a9a4cbde6500cd6e2d70
        • MD5 SHA1 SHA512 SSDEEP

        fqkorfq.exe

        • Path C:\Windows\System\fqkorfq.exe
        • Size 5.9MB
        • SHA256 6176682cf03468860e96b52b72dfd69654f680809cbc851fb25419531ccaf358
        • MD5 SHA1 SHA512 SSDEEP

        hIcwodA.exe

        • Path C:\Windows\System\hIcwodA.exe
        • Size 5.9MB
        • SHA256 80fe67420ab8ec0ea3e1b659e67e43be1584771d1ea8cd2542b49b052d88e811
        • MD5 SHA1 SHA512 SSDEEP

        jMwJUqd.exe

        • Path C:\Windows\System\jMwJUqd.exe
        • Size 5.9MB
        • SHA256 7399a16ad6cf5666ba3791105ad0c8c9fa5c5795522eb71d490e6d9016239417
        • MD5 SHA1 SHA512 SSDEEP

        kGiVVCD.exe

        • Path C:\Windows\System\kGiVVCD.exe
        • Size 5.9MB
        • SHA256 359d63827d05bbd34e46b5c281c3112dfcc59818c84f9b0c11f2116b69eee76e
        • MD5 SHA1 SHA512 SSDEEP

        lUKebSW.exe

        • Path C:\Windows\System\lUKebSW.exe
        • Size 5.9MB
        • SHA256 43938a27c3b94497444f7375360d96e76d7fca4933280757f1727c83f53e2581
        • MD5 SHA1 SHA512 SSDEEP

        oxhFMXU.exe

        • Path C:\Windows\System\oxhFMXU.exe
        • Size 5.9MB
        • SHA256 24c844ffa9d7e1e252da1d3abffc8722093c57c00dd98df166bc24ed174150f2
        • MD5 SHA1 SHA512 SSDEEP

        pSGjtXk.exe

        • Path C:\Windows\System\pSGjtXk.exe
        • Size 5.9MB
        • SHA256 2083af36f9e1b0ebbb40c87f679cd6e9c8a9f314a0a83528909e7aa05560e402
        • MD5 SHA1 SHA512 SSDEEP

        uYTPwmv.exe

        • Path C:\Windows\System\uYTPwmv.exe
        • Size 5.9MB
        • SHA256 9abbcb4d80a907d4c5b8830234be778081a7051c8f7f6a1c1566206a525d263a
        • MD5 SHA1 SHA512 SSDEEP

        xUnMnxQ.exe

        • Path C:\Windows\System\xUnMnxQ.exe
        • Size 5.9MB
        • SHA256 7bdc1ba3103eab5d39c17d5d18edb9dee1d93e5fe18ba1230857b6cafe23a2b3
        • MD5 SHA1 SHA512 SSDEEP

        zZEjaHp.exe

        • Path C:\Windows\System\zZEjaHp.exe
        • Size 5.9MB
        • SHA256 0a30bb4363276ab4c49aaf577b3cf82f06e9235ef4789c66386f9dc65c15028f
        • MD5 SHA1 SHA512 SSDEEP

        memory/224-19-0x00007FF787AF0000-0x00007FF787E44000-memory.dmp

        memory/224-139-0x00007FF787AF0000-0x00007FF787E44000-memory.dmp

        memory/224-129-0x00007FF787AF0000-0x00007FF787E44000-memory.dmp

        memory/668-0-0x00007FF722AC0000-0x00007FF722E14000-memory.dmp

        memory/668-121-0x00007FF722AC0000-0x00007FF722E14000-memory.dmp

        memory/668-1-0x000001EE271E0000-0x000001EE271F0000-memory.dmp

        memory/1036-126-0x00007FF6193B0000-0x00007FF619704000-memory.dmp

        memory/1036-155-0x00007FF6193B0000-0x00007FF619704000-memory.dmp

        memory/1060-59-0x00007FF6309A0000-0x00007FF630CF4000-memory.dmp

        memory/1060-146-0x00007FF6309A0000-0x00007FF630CF4000-memory.dmp

        memory/1184-127-0x00007FF6F9100000-0x00007FF6F9454000-memory.dmp

        memory/1184-157-0x00007FF6F9100000-0x00007FF6F9454000-memory.dmp

        memory/1484-133-0x00007FF729180000-0x00007FF7294D4000-memory.dmp

        memory/1484-143-0x00007FF729180000-0x00007FF7294D4000-memory.dmp

        memory/1484-36-0x00007FF729180000-0x00007FF7294D4000-memory.dmp

        memory/1600-137-0x00007FF659770000-0x00007FF659AC4000-memory.dmp

        memory/1600-154-0x00007FF659770000-0x00007FF659AC4000-memory.dmp

        memory/1600-119-0x00007FF659770000-0x00007FF659AC4000-memory.dmp

        memory/1956-158-0x00007FF6A0D10000-0x00007FF6A1064000-memory.dmp

        memory/1956-128-0x00007FF6A0D10000-0x00007FF6A1064000-memory.dmp

        memory/2324-30-0x00007FF721070000-0x00007FF7213C4000-memory.dmp

        memory/2324-142-0x00007FF721070000-0x00007FF7213C4000-memory.dmp

        memory/2324-132-0x00007FF721070000-0x00007FF7213C4000-memory.dmp

        memory/2428-42-0x00007FF62D800000-0x00007FF62DB54000-memory.dmp

        memory/2428-144-0x00007FF62D800000-0x00007FF62DB54000-memory.dmp

        memory/2428-134-0x00007FF62D800000-0x00007FF62DB54000-memory.dmp

        memory/2568-64-0x00007FF764960000-0x00007FF764CB4000-memory.dmp

        memory/2568-147-0x00007FF764960000-0x00007FF764CB4000-memory.dmp

        memory/2568-135-0x00007FF764960000-0x00007FF764CB4000-memory.dmp

        memory/2580-153-0x00007FF6788F0000-0x00007FF678C44000-memory.dmp

        memory/2580-114-0x00007FF6788F0000-0x00007FF678C44000-memory.dmp

        memory/2904-148-0x00007FF61AD40000-0x00007FF61B094000-memory.dmp

        memory/2904-122-0x00007FF61AD40000-0x00007FF61B094000-memory.dmp

        memory/3016-8-0x00007FF623E90000-0x00007FF6241E4000-memory.dmp

        memory/3016-138-0x00007FF623E90000-0x00007FF6241E4000-memory.dmp

        memory/4472-140-0x00007FF662010000-0x00007FF662364000-memory.dmp

        memory/4472-21-0x00007FF662010000-0x00007FF662364000-memory.dmp

        memory/4472-130-0x00007FF662010000-0x00007FF662364000-memory.dmp

        memory/4532-152-0x00007FF7960A0000-0x00007FF7963F4000-memory.dmp

        memory/4532-108-0x00007FF7960A0000-0x00007FF7963F4000-memory.dmp

        memory/4776-145-0x00007FF7423D0000-0x00007FF742724000-memory.dmp

        memory/4776-57-0x00007FF7423D0000-0x00007FF742724000-memory.dmp

        memory/4792-105-0x00007FF62A920000-0x00007FF62AC74000-memory.dmp

        memory/4792-151-0x00007FF62A920000-0x00007FF62AC74000-memory.dmp

        memory/4868-120-0x00007FF6DD460000-0x00007FF6DD7B4000-memory.dmp

        memory/4868-156-0x00007FF6DD460000-0x00007FF6DD7B4000-memory.dmp

        memory/5044-149-0x00007FF74F2E0000-0x00007FF74F634000-memory.dmp

        memory/5044-93-0x00007FF74F2E0000-0x00007FF74F634000-memory.dmp

        memory/5044-136-0x00007FF74F2E0000-0x00007FF74F634000-memory.dmp

        memory/5064-131-0x00007FF756040000-0x00007FF756394000-memory.dmp

        memory/5064-26-0x00007FF756040000-0x00007FF756394000-memory.dmp

        memory/5064-141-0x00007FF756040000-0x00007FF756394000-memory.dmp

        memory/5092-150-0x00007FF623E20000-0x00007FF624174000-memory.dmp

        memory/5092-123-0x00007FF623E20000-0x00007FF624174000-memory.dmp