Analysis

  • max time kernel
    132s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 19:01

General

  • Target

    81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe

  • Size

    410KB

  • MD5

    1c9f7a7f37ed9143b8cbefe285b96419

  • SHA1

    8b5d5d4c508106c9958fb33116e8b4eac9e4df8a

  • SHA256

    81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83

  • SHA512

    2f9372b254807e5798a2638dac2449f24eaae313cadc4db4ccf151ccba18a07b47d2320b7681d35dfe36d66ad548b270849823658b19620929055fe6eed85ce8

  • SSDEEP

    6144:6vZFT3XcbbLvNeULGRvdEvUkiHDdBonjSdwn6O9F2AiX:6vZFT3MvLH+GUB4jQwn6wF25X

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 11 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.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe
    "C:\Users\Admin\AppData\Local\Temp\81b64ff8f989f5a498e306b5f6f08e92b1d2d0a3c4bfc73b464f257783152c83.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\u1k4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1k4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1840
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DAAAKFHIEG.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:908
        • C:\Users\Admin\AppData\Local\Temp\DAAAKFHIEG.exe
          "C:\Users\Admin\AppData\Local\Temp\DAAAKFHIEG.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:304
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\DAAAKFHIEG.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2388
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:2312
    • C:\Users\Admin\AppData\Local\Temp\u1k4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1k4.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3052
      • 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:1032

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\049b7335d372bd07248452d0b58e37cfb8420ac5b148b226adcb19ae95655a7b\2cd42bf5276a4e298c5dffa2dcd4c16b.tmp

          Filesize

          1KB

          MD5

          0cf08ede45c7ba1aa2eb0f0e77056e29

          SHA1

          105f984ab013a3debf27897ea232ef63c902e55b

          SHA256

          956b46896d68be234bac658bbd486b8daf98d9fd8cae562bffee49827cd2b9a6

          SHA512

          5a3dff55d097a102532c43bffba840e013424cd2e6edf55b82fce71cfc54007e9e61de13607c7d2e08f70d23169559def744fb7496483555b4c19230035c48f5

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

          Filesize

          2KB

          MD5

          1f0cdf31a4131a2820f34e4ab00714cd

          SHA1

          78acdae46238af73266e2c6cc074edd0322a331d

          SHA256

          ed143c0545a90f5992a654705ccd41b94f9b94d1dc5da5129ad9ee1ce5d1d047

          SHA512

          ba587875e662a79fac1e5f696791ad09ec14a9bbc742e4b81554318aa52fdb2c09773d7c8260d72b77a1b42b897e4afe426105ec9270a9c430695bafef048135

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

          Filesize

          3KB

          MD5

          2477b78749b989f8f21c08851f7d677c

          SHA1

          5a3f657e7809af482fdf1ea4c349d7657434c175

          SHA256

          7dbea37735bcca12994367d330739d28deffbd2e233f42ad6982788828ea6c6a

          SHA512

          f4952e2a073bd5be4aaf73703e0ad429ad7b44e763499d6dcc14e3daed4bbbb13d9f16214c49f12053014e9657e7d777aa5ae16622d520f3aa3bc4394f6421ba

        • \ProgramData\mozglue.dll

          Filesize

          593KB

          MD5

          c8fd9be83bc728cc04beffafc2907fe9

          SHA1

          95ab9f701e0024cedfbd312bcfe4e726744c4f2e

          SHA256

          ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

          SHA512

          fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

        • \ProgramData\nss3.dll

          Filesize

          2.0MB

          MD5

          1cc453cdf74f31e4d913ff9c10acdde2

          SHA1

          6e85eae544d6e965f15fa5c39700fa7202f3aafe

          SHA256

          ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

          SHA512

          dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

        • \Users\Admin\AppData\Local\Temp\DAAAKFHIEG.exe

          Filesize

          106KB

          MD5

          fe380780b5c35bd6d54541791151c2be

          SHA1

          7fe3a583cf91474c733f85cebf3c857682e269e1

          SHA256

          b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

          SHA512

          ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

        • \Users\Admin\AppData\Local\Temp\u1k4.0.exe

          Filesize

          289KB

          MD5

          2f7902850a9359afd396851d2c2dbc50

          SHA1

          cf5086651e1c04652f3188b555824688912b1ef3

          SHA256

          e477e93ca61273c874dfa631dd02bd08317b2b214472c7fcaedf5fccc1bf6cfa

          SHA512

          4c533195e8ec42ccc765bc536f5cf4440cf53484e543a0f5d563017949ee5f2b74304c0bf53f568dfa84c3be019963cf2fcf43e12c144d2b19fce269a704bf7c

        • \Users\Admin\AppData\Local\Temp\u1k4.1.exe

          Filesize

          4.6MB

          MD5

          397926927bca55be4a77839b1c44de6e

          SHA1

          e10f3434ef3021c399dbba047832f02b3c898dbd

          SHA256

          4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

          SHA512

          cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

        • memory/304-191-0x00000000742A0000-0x000000007498E000-memory.dmp

          Filesize

          6.9MB

        • memory/304-189-0x0000000004C10000-0x0000000004C50000-memory.dmp

          Filesize

          256KB

        • memory/304-187-0x00000000742A0000-0x000000007498E000-memory.dmp

          Filesize

          6.9MB

        • memory/304-186-0x0000000000C20000-0x0000000000C40000-memory.dmp

          Filesize

          128KB

        • memory/1032-124-0x000000001F690000-0x000000001F70A000-memory.dmp

          Filesize

          488KB

        • memory/1032-138-0x000000001EB10000-0x000000001EB90000-memory.dmp

          Filesize

          512KB

        • memory/1032-195-0x000000001EB10000-0x000000001EB90000-memory.dmp

          Filesize

          512KB

        • memory/1032-194-0x000000001EB10000-0x000000001EB90000-memory.dmp

          Filesize

          512KB

        • memory/1032-193-0x000000001EB10000-0x000000001EB90000-memory.dmp

          Filesize

          512KB

        • memory/1032-84-0x0000000000CF0000-0x00000000045E8000-memory.dmp

          Filesize

          57.0MB

        • memory/1032-107-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp

          Filesize

          9.9MB

        • memory/1032-108-0x000000001EB10000-0x000000001EB90000-memory.dmp

          Filesize

          512KB

        • memory/1032-112-0x000000001ED90000-0x000000001EEA0000-memory.dmp

          Filesize

          1.1MB

        • memory/1032-113-0x0000000000400000-0x0000000000410000-memory.dmp

          Filesize

          64KB

        • memory/1032-114-0x00000000004F0000-0x00000000004FC000-memory.dmp

          Filesize

          48KB

        • memory/1032-115-0x00000000004E0000-0x00000000004F4000-memory.dmp

          Filesize

          80KB

        • memory/1032-116-0x0000000000CD0000-0x0000000000CF4000-memory.dmp

          Filesize

          144KB

        • memory/1032-121-0x0000000005B30000-0x0000000005B3A000-memory.dmp

          Filesize

          40KB

        • memory/1032-122-0x000000001EA90000-0x000000001EABA000-memory.dmp

          Filesize

          168KB

        • memory/1032-123-0x000000001F5E0000-0x000000001F692000-memory.dmp

          Filesize

          712KB

        • memory/1032-192-0x00000000004B0000-0x00000000004BA000-memory.dmp

          Filesize

          40KB

        • memory/1032-125-0x0000000000C70000-0x0000000000CD2000-memory.dmp

          Filesize

          392KB

        • memory/1032-129-0x0000000000490000-0x000000000049A000-memory.dmp

          Filesize

          40KB

        • memory/1032-133-0x000000001FB20000-0x000000001FE20000-memory.dmp

          Filesize

          3.0MB

        • memory/1032-135-0x00000000004B0000-0x00000000004BA000-memory.dmp

          Filesize

          40KB

        • memory/1032-136-0x000000001EB10000-0x000000001EB90000-memory.dmp

          Filesize

          512KB

        • memory/1032-188-0x00000000004B0000-0x00000000004BA000-memory.dmp

          Filesize

          40KB

        • memory/1032-177-0x000000001EB10000-0x000000001EB90000-memory.dmp

          Filesize

          512KB

        • memory/1032-139-0x0000000000BD0000-0x0000000000BDA000-memory.dmp

          Filesize

          40KB

        • memory/1032-140-0x0000000005B00000-0x0000000005B22000-memory.dmp

          Filesize

          136KB

        • memory/1032-146-0x0000000005B20000-0x0000000005B2C000-memory.dmp

          Filesize

          48KB

        • memory/1032-174-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp

          Filesize

          9.9MB

        • memory/1032-148-0x000000001EB10000-0x000000001EB90000-memory.dmp

          Filesize

          512KB

        • memory/1840-22-0x0000000000400000-0x0000000000866000-memory.dmp

          Filesize

          4.4MB

        • memory/1840-137-0x0000000000950000-0x0000000000A50000-memory.dmp

          Filesize

          1024KB

        • memory/1840-163-0x0000000000400000-0x0000000000866000-memory.dmp

          Filesize

          4.4MB

        • memory/1840-147-0x0000000000400000-0x0000000000866000-memory.dmp

          Filesize

          4.4MB

        • memory/1840-69-0x0000000000400000-0x0000000000866000-memory.dmp

          Filesize

          4.4MB

        • memory/1840-181-0x0000000000400000-0x0000000000866000-memory.dmp

          Filesize

          4.4MB

        • memory/1840-182-0x0000000000950000-0x0000000000A50000-memory.dmp

          Filesize

          1024KB

        • memory/1840-39-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/1840-20-0x0000000000950000-0x0000000000A50000-memory.dmp

          Filesize

          1024KB

        • memory/1840-21-0x0000000000220000-0x0000000000247000-memory.dmp

          Filesize

          156KB

        • memory/2020-37-0x0000000000400000-0x0000000002D65000-memory.dmp

          Filesize

          41.4MB

        • memory/2020-38-0x0000000002E30000-0x0000000002F30000-memory.dmp

          Filesize

          1024KB

        • memory/2020-3-0x0000000000400000-0x0000000002D65000-memory.dmp

          Filesize

          41.4MB

        • memory/2020-2-0x0000000000300000-0x000000000036C000-memory.dmp

          Filesize

          432KB

        • memory/2020-1-0x0000000002E30000-0x0000000002F30000-memory.dmp

          Filesize

          1024KB

        • memory/3052-81-0x0000000000400000-0x00000000008AD000-memory.dmp

          Filesize

          4.7MB

        • memory/3052-44-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB

        • memory/3052-71-0x0000000000400000-0x00000000008AD000-memory.dmp

          Filesize

          4.7MB