Analysis

  • max time kernel
    235s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 15:45

General

  • Target

    Dexis Setup.exe

  • Size

    64.6MB

  • MD5

    3dbdc09c8952d7994ed78402578824ba

  • SHA1

    d2e4d6e2e6d2ef70585cdee62d543b81c15b29cf

  • SHA256

    e9d1c22e3616399e4ce428ab0c4bbc7d0519f9e3cd19ad91d33bcef5ce539f5c

  • SHA512

    d7c0876e4f9fd21e63d1a5428b7840f7bde717ea81e78482c59f2adafa3bb96a9b083aead5096bd9362b7590ed9ae5604801f68bab47764fa5b006837d3b62a1

  • SSDEEP

    1572864:FQsJjyxAAJXIUEqFGX6xJU2i7d9I3jdz/q2A5znDfRxgJX2+JcUo4c:FQ+jyZLEqFC602OOz/7ApDfRxgJBcUoD

Malware Config

Extracted

Family

stealc

Botnet

dex9

C2

http://45.132.105.157

Attributes
  • url_path

    /eb155c7506e03ca9.php

Signatures

  • Detects HijackLoader (aka IDAT Loader) 2 IoCs
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Stealc

    Stealc is an infostealer written in C++.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • .NET Reactor proctector 62 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

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

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2532
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3560
    • C:\Users\Admin\AppData\Local\Temp\Dexis Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Dexis Setup.exe"
      1⤵
      • Checks computer location settings
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Program Files (x86)\Dexis\Dexis.exe
        "C:\Program Files (x86)\Dexis\Dexis.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4940
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3768
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2256
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1420
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3092
        • C:\Users\Admin\AppData\Local\Temp\289762fc-0fbe-4caf-b2b3-a26ec1f30149\snss1.exe
          "C:\Users\Admin\AppData\Local\Temp\289762fc-0fbe-4caf-b2b3-a26ec1f30149\snss1.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:3404
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:4776
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              5⤵
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:640
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Windows\SysWOW64\explorer.exe" & del "C:\ProgramData\*.dll"" & exit
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:4980
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 5
                  7⤵
                  • Delays execution with timeout.exe
                  PID:2448
        • C:\Users\Admin\AppData\Local\Temp\289762fc-0fbe-4caf-b2b3-a26ec1f30149\snss2.exe
          "C:\Users\Admin\AppData\Local\Temp\289762fc-0fbe-4caf-b2b3-a26ec1f30149\snss2.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2276
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1400
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              5⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4304

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • 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\CLR_v4.0\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      d28a889fd956d5cb3accfbaf1143eb6f

      SHA1

      157ba54b365341f8ff06707d996b3635da8446f7

      SHA256

      21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

      SHA512

      0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      96e3b86880fedd5afc001d108732a3e5

      SHA1

      8fc17b39d744a9590a6d5897012da5e6757439a3

      SHA256

      c3077e4cadb4ed246c02abe55aa6cf832fee4c2546b7addb7d22cd1c7c8c1294

      SHA512

      909b1968f7204fa7029109b02232d8cc5438f6b4dc7c9044e4e47c59fcee538199b13029e36592b12ed573d48a308dd4822d2ced4129ab08d4111897e02be55d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      98baf5117c4fcec1692067d200c58ab3

      SHA1

      5b33a57b72141e7508b615e17fb621612cb8e390

      SHA256

      30bf8496e9a08f4fdfe4767abcd565f92b6da06ca1c7823a70cb7cab16262e51

      SHA512

      344a70bfc037d54176f12db91f05bf4295bb587a5062fd1febe6f52853571170bd8ef6042cb87b893185bbae1937cf77b679d7970f8cc1c2666b0b7c1b32987d

    • C:\Users\Admin\AppData\Local\Temp\289762fc-0fbe-4caf-b2b3-a26ec1f30149\snss1.exe

      Filesize

      1.0MB

      MD5

      ffdc69212e6267315ce7fc7c5e8b517c

      SHA1

      d1e6c1a2acf1877439f207d6377987f5a13756e9

      SHA256

      939b4ad64a2fee79a9c587e6ba51da1a91776bc0ba981d6bfdf4ce4e9d38692a

      SHA512

      1a0f2e83397c7bef5e88b0a59321533f33154546594a8710dad8fbd4bccca67969787cdf73f2afb7155cd59742af50dd1bee88ed35eec4f2a2a41d34710dca0d

    • C:\Users\Admin\AppData\Local\Temp\289762fc-0fbe-4caf-b2b3-a26ec1f30149\snss2.exe

      Filesize

      7.7MB

      MD5

      3a856193d7f5204896257205ffbe19bf

      SHA1

      a9f0f06ca0828076b76edd913e5c8429d7bb2ca3

      SHA256

      8ab04f749508030f388cbbe218bfaf32490673793c066d4e1002b6ad56f78c1e

      SHA512

      0d3a2468f130e1431e7ef57f0021e14ecc91399addf6f6648cb689d45bd162f0f3a9931807aa4c69e341a3e49bbe63a9c04dbc841cfc7c4b36c023f7e114b63a

    • C:\Users\Admin\AppData\Local\Temp\3b099107

      Filesize

      869KB

      MD5

      00b718763b1ea8062c3a2d1dfb989345

      SHA1

      b4c161c856df58e28cdc27f2868b81451b4a3c8f

      SHA256

      62eb66b0b3751ee373dc74bf090fc27d19898bbeb451d3dbdbbf4241c8ff5023

      SHA512

      e792b36142ca479bd2a2691b4a0f4d5cb8debfb21d296e836a3b3d6c836652a1612ca7372a4cdcee6ae5d8cca41c4bde41778bb961bdd5b68aa08b1f9ea1c73f

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gg3sw4ld.gec.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\a5a39a45

      Filesize

      1.0MB

      MD5

      25e0d1f88da767f9116e53a62f85ce4c

      SHA1

      791c3c0d3eb592472b78a62117b5e588a2f2a94e

      SHA256

      96f4e171bc1815256e3cf243ca4e82eb5705ff5520aebcc600daf1e36ae3d29d

      SHA512

      c9cbd8c744c01889090f89442d9b39b4ad80c34f6b6330fb99fe6790ae9052faed1fac95c55fe17019bb19df0c5769580d12c2291dd366890788b2ac30f22a57

    • memory/640-639-0x0000000000400000-0x000000000063D000-memory.dmp

      Filesize

      2.2MB

    • memory/640-709-0x0000000000400000-0x000000000063D000-memory.dmp

      Filesize

      2.2MB

    • memory/3768-580-0x000001ACDD810000-0x000001ACDD832000-memory.dmp

      Filesize

      136KB

    • memory/4304-722-0x0000000000460000-0x00000000004CF000-memory.dmp

      Filesize

      444KB

    • memory/4304-733-0x0000000000460000-0x00000000004CF000-memory.dmp

      Filesize

      444KB

    • memory/4940-198-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-188-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-221-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-220-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-219-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-218-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-217-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-216-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-215-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-214-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-213-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-212-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-209-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-208-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-207-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-206-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-205-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-203-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-202-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-201-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-200-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-199-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-223-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-197-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-196-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-195-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-194-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-193-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-192-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-191-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-190-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-222-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-187-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-186-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-184-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-183-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-182-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-181-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-180-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-179-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-178-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-177-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-175-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-174-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-173-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-211-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-224-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-225-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-226-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-227-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-228-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-230-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-229-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-231-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-185-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-176-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-168-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-210-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-204-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-189-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-172-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB

    • memory/4940-171-0x000001C1852E0000-0x000001C185350000-memory.dmp

      Filesize

      448KB