Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 06:06

General

  • Target

    9f10349504fae0960f2cf133ccf21252.exe

  • Size

    456KB

  • MD5

    9f10349504fae0960f2cf133ccf21252

  • SHA1

    73a89cb697803cc046362bc68027e184e83b4e45

  • SHA256

    850b16ddca4fb0ec70a60e534bc3c75aac0f0b6d2af52674d09ec7bd75dd6938

  • SHA512

    aab1c7f04f58f06abe7a1a433d8f209871457b893f2f894532e4cf4c543faab53ce8a5f0918cafe1d8b9ea485c556a55c45805a88114cd031ee5e6d085745711

  • SSDEEP

    12288:SMAzoV3Y9YLR4W/Rt7yL794skEZUXwE8:IoV3Y9YLRN/XQUOUXwE8

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.76

Attributes
  • url_path

    /8681490a59ad0e34.php

Signatures

  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f10349504fae0960f2cf133ccf21252.exe
    "C:\Users\Admin\AppData\Local\Temp\9f10349504fae0960f2cf133ccf21252.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\u1wo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1wo.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1848
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 1656
        3⤵
        • Program crash
        PID:4492
    • C:\Users\Admin\AppData\Local\Temp\u1wo.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1wo.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 1144
      2⤵
      • Program crash
      PID:4936
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3548 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:3
    1⤵
      PID:3044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2472 -ip 2472
      1⤵
        PID:1000
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1848 -ip 1848
        1⤵
          PID:4112
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3756 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:2448

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Credential Access

          Unsecured Credentials

          3
          T1552

          Credentials In Files

          3
          T1552.001

          Discovery

          Query Registry

          3
          T1012

          System Information Discovery

          3
          T1082

          Collection

          Data from Local System

          3
          T1005

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\Are.docx
            Filesize

            11KB

            MD5

            a33e5b189842c5867f46566bdbf7a095

            SHA1

            e1c06359f6a76da90d19e8fd95e79c832edb3196

            SHA256

            5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

            SHA512

            f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

          • C:\ProgramData\mozglue.dll
            Filesize

            593KB

            MD5

            c8fd9be83bc728cc04beffafc2907fe9

            SHA1

            95ab9f701e0024cedfbd312bcfe4e726744c4f2e

            SHA256

            ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

            SHA512

            fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

          • C:\ProgramData\nss3.dll
            Filesize

            2.0MB

            MD5

            1cc453cdf74f31e4d913ff9c10acdde2

            SHA1

            6e85eae544d6e965f15fa5c39700fa7202f3aafe

            SHA256

            ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

            SHA512

            dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
            Filesize

            2B

            MD5

            d751713988987e9331980363e24189ce

            SHA1

            97d170e1550eee4afc0af065b78cda302a97674c

            SHA256

            4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

            SHA512

            b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
            Filesize

            40B

            MD5

            20d4b8fa017a12a108c87f540836e250

            SHA1

            1ac617fac131262b6d3ce1f52f5907e31d5f6f00

            SHA256

            6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

            SHA512

            507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

          • C:\Users\Admin\AppData\Local\Temp\2f6cdc46
            Filesize

            1.4MB

            MD5

            c8cba1aea5cac937f540b081d85682c9

            SHA1

            1ab0479d56adccd99ffe4c18f48f5cb5c9ebb177

            SHA256

            0d13b6d7547487fd98e5a3fb22ed9bc6f4852f4ea3aeae4fd5b2cf02412e984a

            SHA512

            943b16566e9cfd4e57658c76563185700dc657a8bd127463cc6ce24594281232ddbece0a84ecfa99e5c1403647d23e83bd7112ec7cc0dae1174571c18e11e50c

          • C:\Users\Admin\AppData\Local\Temp\tmpCA03.tmp
            Filesize

            20KB

            MD5

            c9ff7748d8fcef4cf84a5501e996a641

            SHA1

            02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

            SHA256

            4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

            SHA512

            d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

          • C:\Users\Admin\AppData\Local\Temp\tmpCA83.tmp
            Filesize

            20KB

            MD5

            91dbaf73c1a8c55254d90272f998e412

            SHA1

            2b86b31c8c00c937291e5ac3b1d134a5df959acf

            SHA256

            0628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107

            SHA512

            109f4f59616cc1d1682b4d9468804f7668c77ce1878afec06a57037193f31a9c1c39f5d269277462936373b129d26488cddcc34d455c27185534e7754baaa988

          • C:\Users\Admin\AppData\Local\Temp\u1wo.0.exe
            Filesize

            312KB

            MD5

            6d0d02971a232ebeb78b6031df76ba2f

            SHA1

            a7aba25190d202ddad4f7d09c066a65110ce292f

            SHA256

            27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f

            SHA512

            d2370ff83173487a4111e13cd651b9e116e6aef56e7d4eca49dba8db171181145b05243484ad21eaabed16a2025570e047a3e9892cc888ade2a34ba9312ae4d2

          • C:\Users\Admin\AppData\Local\Temp\u1wo.1.zip
            Filesize

            3.7MB

            MD5

            78d3ca6355c93c72b494bb6a498bf639

            SHA1

            2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

            SHA256

            a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

            SHA512

            1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

          • C:\Users\Admin\AppData\Local\Temp\u1wo.2\UIxMarketPlugin.dll
            Filesize

            1.6MB

            MD5

            d1ba9412e78bfc98074c5d724a1a87d6

            SHA1

            0572f98d78fb0b366b5a086c2a74cc68b771d368

            SHA256

            cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

            SHA512

            8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

          • C:\Users\Admin\AppData\Local\Temp\u1wo.2\bunch.dat
            Filesize

            1.3MB

            MD5

            1e8237d3028ab52821d69099e0954f97

            SHA1

            30a6ae353adda0c471c6ed5b7a2458b07185abf2

            SHA256

            9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

            SHA512

            a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

          • C:\Users\Admin\AppData\Local\Temp\u1wo.2\relay.dll
            Filesize

            1.5MB

            MD5

            10d51becd0bbce0fab147ff9658c565e

            SHA1

            4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

            SHA256

            7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

            SHA512

            29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

          • C:\Users\Admin\AppData\Local\Temp\u1wo.2\run.exe
            Filesize

            2.4MB

            MD5

            9fb4770ced09aae3b437c1c6eb6d7334

            SHA1

            fe54b31b0db8665aa5b22bed147e8295afc88a03

            SHA256

            a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

            SHA512

            140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

          • C:\Users\Admin\AppData\Local\Temp\u1wo.2\whale.dbf
            Filesize

            85KB

            MD5

            a723bf46048e0bfb15b8d77d7a648c3e

            SHA1

            8952d3c34e9341e4425571e10f22b782695bb915

            SHA256

            b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

            SHA512

            ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

          • memory/320-215-0x0000000072FC0000-0x000000007313B000-memory.dmp
            Filesize

            1.5MB

          • memory/320-205-0x00007FFEAA610000-0x00007FFEAA805000-memory.dmp
            Filesize

            2.0MB

          • memory/1848-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp
            Filesize

            972KB

          • memory/1848-15-0x0000000000400000-0x0000000001A19000-memory.dmp
            Filesize

            22.1MB

          • memory/1848-14-0x0000000001B70000-0x0000000001B97000-memory.dmp
            Filesize

            156KB

          • memory/1848-199-0x0000000000400000-0x0000000001A19000-memory.dmp
            Filesize

            22.1MB

          • memory/1848-13-0x0000000001DB0000-0x0000000001EB0000-memory.dmp
            Filesize

            1024KB

          • memory/1848-214-0x0000000000400000-0x0000000001A19000-memory.dmp
            Filesize

            22.1MB

          • memory/2472-118-0x0000000000400000-0x0000000001A3D000-memory.dmp
            Filesize

            22.2MB

          • memory/2472-187-0x0000000001B10000-0x0000000001B7D000-memory.dmp
            Filesize

            436KB

          • memory/2472-186-0x0000000000400000-0x0000000001A3D000-memory.dmp
            Filesize

            22.2MB

          • memory/2472-1-0x0000000001BA0000-0x0000000001CA0000-memory.dmp
            Filesize

            1024KB

          • memory/2472-3-0x0000000000400000-0x0000000001A3D000-memory.dmp
            Filesize

            22.2MB

          • memory/2472-2-0x0000000001B10000-0x0000000001B7D000-memory.dmp
            Filesize

            436KB

          • memory/3428-222-0x0000000006080000-0x0000000006624000-memory.dmp
            Filesize

            5.6MB

          • memory/3428-228-0x0000000006750000-0x000000000676E000-memory.dmp
            Filesize

            120KB

          • memory/3428-220-0x0000000001300000-0x00000000013C6000-memory.dmp
            Filesize

            792KB

          • memory/3428-221-0x0000000005A30000-0x0000000005AC2000-memory.dmp
            Filesize

            584KB

          • memory/3428-248-0x0000000008070000-0x000000000807A000-memory.dmp
            Filesize

            40KB

          • memory/3428-223-0x0000000005CA0000-0x0000000005E62000-memory.dmp
            Filesize

            1.8MB

          • memory/3428-224-0x0000000005AD0000-0x0000000005B46000-memory.dmp
            Filesize

            472KB

          • memory/3428-225-0x0000000005B50000-0x0000000005BA0000-memory.dmp
            Filesize

            320KB

          • memory/3428-226-0x00000000059B0000-0x00000000059BA000-memory.dmp
            Filesize

            40KB

          • memory/3428-227-0x0000000006C60000-0x000000000718C000-memory.dmp
            Filesize

            5.2MB

          • memory/3428-217-0x0000000073B00000-0x0000000074D54000-memory.dmp
            Filesize

            18.3MB

          • memory/3428-229-0x0000000006830000-0x0000000006896000-memory.dmp
            Filesize

            408KB

          • memory/4756-157-0x00007FFEAA610000-0x00007FFEAA805000-memory.dmp
            Filesize

            2.0MB

          • memory/4756-153-0x0000000072FC0000-0x000000007313B000-memory.dmp
            Filesize

            1.5MB

          • memory/4756-188-0x0000000072FC0000-0x000000007313B000-memory.dmp
            Filesize

            1.5MB