Analysis

  • max time kernel
    144s
  • 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
    28-04-2024 01:26

General

  • Target

    4c27395437d1880531cb727194221bb8.exe

  • Size

    452KB

  • MD5

    4c27395437d1880531cb727194221bb8

  • SHA1

    4161da11bf2da8ed83b721ee1d72ea9c3a0e0d9f

  • SHA256

    850b58f504324b3aec9b262ae4224cee37f731f90b30bdf0b0ee0f9a46d6964d

  • SHA512

    f62b1f7b0b1b4cb17b11973e601dcb58227911a6b52d9c34a3edb4ef7b0349dc35835df570d0b9534a379cd1fb41b198eb9432c73c6354dea13e8dbcee30e22e

  • SSDEEP

    6144:rOrXOdV6MDOrctj6AwnV3NPYvEmAYc42VBPg1BwnFo7s4lB:rGO0r5AwlqvExYh0g1MKI4lB

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

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

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

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

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

  • Executes dropped EXE 3 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 SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c27395437d1880531cb727194221bb8.exe
    "C:\Users\Admin\AppData\Local\Temp\4c27395437d1880531cb727194221bb8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3720
    • C:\Users\Admin\AppData\Local\Temp\u2vc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:5080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 2352
        3⤵
        • Program crash
        PID:3576
    • C:\Users\Admin\AppData\Local\Temp\u2vc.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vc.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:1364
      • 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:1264
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4604
    • C:\Users\Admin\AppData\Local\Temp\u2vc.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vc.3.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 1584
      2⤵
      • Program crash
      PID:4980
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3720 -ip 3720
    1⤵
      PID:4424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5080 -ip 5080
      1⤵
        PID:3208

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      3
      T1552

      Credentials In Files

      3
      T1552.001

      Discovery

      Query Registry

      4
      T1012

      System Information Discovery

      4
      T1082

      Peripheral Device Discovery

      1
      T1120

      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\Temp\a8a91766
        Filesize

        1.4MB

        MD5

        127c665c6405c500c682d49983f2a19c

        SHA1

        607ea0a02d653714142d44a69e70c129116d58df

        SHA256

        0097a8b4a86ca560f0b5123295f1f18aa5e9b70784b154d5c571fe418f54f683

        SHA512

        12a1f9a940c4f259d53e2af0b4766a4d301d7700ac494d0741704380e56c7a6064da29ffb2dccf28118153c412a24c7e0770f120869a00f0ceb58c9c97d07f4c

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
        Filesize

        3KB

        MD5

        cb568f32eba992a64c55b6f82b4156e0

        SHA1

        029524e0e4f8da3ea30a2fc2b390bf19508be45f

        SHA256

        029e9deea892435300482b05ce41ccc860aea912ee2bcacaf553cd85329844e3

        SHA512

        a80d9a55801469de63568196bea69a4359e26d81b7de74ff5527903f3b0386399efc8263aed32840be3ed54e4bb23a2a9a4a595a0218e1f4eb09590ef7a185fc

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

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmpCF1B.tmp
        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u2vc.0.exe
        Filesize

        226KB

        MD5

        f85ca7da4201921c93b98f6555f3d7b7

        SHA1

        523891e3e23bb45a52e402b6282f70f9e17cde9c

        SHA256

        eeaa177b0bc2d85cf8b416c2ed3b85fd50bd7c811bf41a32d161a10a767c2fda

        SHA512

        1b8220fe954799fbc43a702a1c508beff390c3f5a58e8e50e3c5ccce48459ec3a25df395f041f722cb67b0eb6c31013239f58a8b947e60344d15ce0c56e9cb17

      • C:\Users\Admin\AppData\Local\Temp\u2vc.1.zip
        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u2vc.2\UIxMarketPlugin.dll
        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u2vc.2\bunch.dat
        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u2vc.2\relay.dll
        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u2vc.2\run.exe
        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u2vc.2\whale.dbf
        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u2vc.3.exe
        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1264-234-0x00000000734F0000-0x000000007366B000-memory.dmp
        Filesize

        1.5MB

      • memory/1264-187-0x00007FFC1C630000-0x00007FFC1C825000-memory.dmp
        Filesize

        2.0MB

      • memory/1364-99-0x00007FFC1C630000-0x00007FFC1C825000-memory.dmp
        Filesize

        2.0MB

      • memory/1364-98-0x00000000734F0000-0x000000007366B000-memory.dmp
        Filesize

        1.5MB

      • memory/1364-159-0x00000000734F0000-0x000000007366B000-memory.dmp
        Filesize

        1.5MB

      • memory/1444-189-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/1444-201-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/2312-213-0x000001AFFFB00000-0x000001AFFFB76000-memory.dmp
        Filesize

        472KB

      • memory/2312-231-0x000001AFFFA80000-0x000001AFFFA9E000-memory.dmp
        Filesize

        120KB

      • memory/2312-203-0x000001AF9BCD0000-0x000001AF9BDE0000-memory.dmp
        Filesize

        1.1MB

      • memory/2312-204-0x000001AF9A120000-0x000001AF9A130000-memory.dmp
        Filesize

        64KB

      • memory/2312-205-0x000001AF9A170000-0x000001AF9A17C000-memory.dmp
        Filesize

        48KB

      • memory/2312-206-0x000001AF9A160000-0x000001AF9A174000-memory.dmp
        Filesize

        80KB

      • memory/2312-207-0x000001AF9B9F0000-0x000001AF9BA14000-memory.dmp
        Filesize

        144KB

      • memory/2312-208-0x000001AF9A140000-0x000001AF9A14A000-memory.dmp
        Filesize

        40KB

      • memory/2312-209-0x000001AF9BB20000-0x000001AF9BB4A000-memory.dmp
        Filesize

        168KB

      • memory/2312-210-0x000001AF9BF20000-0x000001AF9BFD2000-memory.dmp
        Filesize

        712KB

      • memory/2312-212-0x000001AF9BFE0000-0x000001AF9C042000-memory.dmp
        Filesize

        392KB

      • memory/2312-211-0x000001AF9BB50000-0x000001AF9BBCA000-memory.dmp
        Filesize

        488KB

      • memory/2312-202-0x000001B000000000-0x000001B0038F8000-memory.dmp
        Filesize

        57.0MB

      • memory/2312-214-0x000001AF9A150000-0x000001AF9A15A000-memory.dmp
        Filesize

        40KB

      • memory/2312-218-0x000001AF9C040000-0x000001AF9C340000-memory.dmp
        Filesize

        3.0MB

      • memory/2312-220-0x000001AFFF7A0000-0x000001AFFF7A8000-memory.dmp
        Filesize

        32KB

      • memory/2312-222-0x000001AFFF7B0000-0x000001AFFF7BE000-memory.dmp
        Filesize

        56KB

      • memory/2312-221-0x000001AFFFAC0000-0x000001AFFFAF8000-memory.dmp
        Filesize

        224KB

      • memory/2312-223-0x000001AFA0470000-0x000001AFA047A000-memory.dmp
        Filesize

        40KB

      • memory/2312-224-0x000001AFA0480000-0x000001AFA04A2000-memory.dmp
        Filesize

        136KB

      • memory/2312-225-0x000001AFA1800000-0x000001AFA1D28000-memory.dmp
        Filesize

        5.2MB

      • memory/2312-228-0x000001AFFFC20000-0x000001AFFFC70000-memory.dmp
        Filesize

        320KB

      • memory/2312-229-0x000001AFA04A0000-0x000001AFA04AC000-memory.dmp
        Filesize

        48KB

      • memory/2312-230-0x000001AFFFB80000-0x000001AFFFBA2000-memory.dmp
        Filesize

        136KB

      • memory/3720-1-0x0000000001BA0000-0x0000000001CA0000-memory.dmp
        Filesize

        1024KB

      • memory/3720-121-0x0000000000400000-0x0000000001A3C000-memory.dmp
        Filesize

        22.2MB

      • memory/3720-3-0x0000000003650000-0x00000000036BD000-memory.dmp
        Filesize

        436KB

      • memory/3720-2-0x0000000000400000-0x0000000001A3C000-memory.dmp
        Filesize

        22.2MB

      • memory/4604-279-0x0000000005FD0000-0x0000000006574000-memory.dmp
        Filesize

        5.6MB

      • memory/4604-281-0x0000000005AB0000-0x0000000005B26000-memory.dmp
        Filesize

        472KB

      • memory/4604-259-0x0000000071F00000-0x0000000073154000-memory.dmp
        Filesize

        18.3MB

      • memory/4604-287-0x00000000067F0000-0x0000000006856000-memory.dmp
        Filesize

        408KB

      • memory/4604-286-0x0000000006700000-0x000000000671E000-memory.dmp
        Filesize

        120KB

      • memory/4604-277-0x0000000001300000-0x00000000013C6000-memory.dmp
        Filesize

        792KB

      • memory/4604-278-0x0000000005980000-0x0000000005A12000-memory.dmp
        Filesize

        584KB

      • memory/4604-285-0x0000000006BB0000-0x00000000070DC000-memory.dmp
        Filesize

        5.2MB

      • memory/4604-280-0x0000000005C80000-0x0000000005E42000-memory.dmp
        Filesize

        1.8MB

      • memory/4604-283-0x0000000005960000-0x000000000596A000-memory.dmp
        Filesize

        40KB

      • memory/4604-282-0x0000000005B80000-0x0000000005BD0000-memory.dmp
        Filesize

        320KB

      • memory/5080-262-0x0000000000840000-0x0000000000940000-memory.dmp
        Filesize

        1024KB

      • memory/5080-284-0x0000000000400000-0x000000000083A000-memory.dmp
        Filesize

        4.2MB

      • memory/5080-233-0x0000000000400000-0x000000000083A000-memory.dmp
        Filesize

        4.2MB

      • memory/5080-105-0x0000000000840000-0x0000000000940000-memory.dmp
        Filesize

        1024KB

      • memory/5080-271-0x0000000000400000-0x000000000083A000-memory.dmp
        Filesize

        4.2MB

      • memory/5080-126-0x0000000061E00000-0x0000000061EF3000-memory.dmp
        Filesize

        972KB

      • memory/5080-183-0x0000000000400000-0x000000000083A000-memory.dmp
        Filesize

        4.2MB