Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 17:00

General

  • Target

    455eb3d455a656e2a52b25c80501d7a527f2b64fbe3fa10bb01e1ff2322cd5b5.exe

  • Size

    304KB

  • MD5

    8294776efe83ef47497e1d5dd539339b

  • SHA1

    7f613fb5e75779f8f39bef9685a048e71d86c4b6

  • SHA256

    455eb3d455a656e2a52b25c80501d7a527f2b64fbe3fa10bb01e1ff2322cd5b5

  • SHA512

    63760a6ce6a98db1a2b09106057bd21da4cdad439b4c476b4538287d8bedcb6908c6eae5698de2ec69057211b5c20e31c32adbb31e607b7f6d10792444583925

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://monsutiur4.com/

http://nusurionuy5ff.at/

http://moroitomo4.net/

http://susuerulianita1.net/

http://cucumbetuturel4.com/

http://nunuslushau.com/

http://linislominyt11.at/

http://luxulixionus.net/

http://lilisjjoer44.com/

http://nikogminut88.at/

http://limo00ruling.org/

http://mini55tunul.com/

http://samnutu11nuli.com/

http://nikogkojam.org/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

1

C2

45.10.43.167:26696

Attributes
  • auth_value

    3a70a3e2f548aaf61e05be9e4cadc7c1

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Executes dropped EXE 6 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 4 IoCs
  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\455eb3d455a656e2a52b25c80501d7a527f2b64fbe3fa10bb01e1ff2322cd5b5.exe
    "C:\Users\Admin\AppData\Local\Temp\455eb3d455a656e2a52b25c80501d7a527f2b64fbe3fa10bb01e1ff2322cd5b5.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2532
  • C:\Users\Admin\AppData\Local\Temp\A596.exe
    C:\Users\Admin\AppData\Local\Temp\A596.exe
    1⤵
    • Executes dropped EXE
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:228
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\main\main.bat" /S"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3500
      • C:\Windows\system32\mode.com
        mode 65,10
        3⤵
          PID:4392
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e file.zip -p283462270827100258722140325330 -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:4900
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e extracted/file_3.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:4616
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e extracted/file_2.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:4600
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e extracted/file_1.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3260
        • C:\Windows\system32\attrib.exe
          attrib +H "benbenben.exe"
          3⤵
          • Views/modifies file attributes
          PID:840
        • C:\Users\Admin\AppData\Local\Temp\main\benbenben.exe
          "benbenben.exe"
          3⤵
          • Executes dropped EXE
          • Checks BIOS information in registry
          • Checks whether UAC is enabled
          • Suspicious use of AdjustPrivilegeToken
          PID:4144
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      1⤵
        PID:4960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 872
          2⤵
          • Program crash
          PID:4360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4960 -ip 4960
        1⤵
          PID:2812
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3864

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Hidden Files and Directories

          1
          T1158

          Defense Evasion

          Virtualization/Sandbox Evasion

          1
          T1497

          Hidden Files and Directories

          1
          T1158

          Credential Access

          Credentials in Files

          2
          T1081

          Discovery

          Query Registry

          5
          T1012

          Virtualization/Sandbox Evasion

          1
          T1497

          System Information Discovery

          5
          T1082

          Peripheral Device Discovery

          1
          T1120

          Collection

          Data from Local System

          2
          T1005

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\A596.exe
            Filesize

            3.9MB

            MD5

            4f8a7c030aa8784e5f9726de742be5b5

            SHA1

            b458828a0383defa2b1c79dc043d7e7e8cc712c4

            SHA256

            b8885e1a627026d5ebbce5dfc321358a1d339e0b30c887ab39e4b9e972f90952

            SHA512

            0c74b22a46d6362fc8e5a9d919c8d32f6a2e21e9c3bdbfb0be679407a753f8995cc929956c7bd0351e6f4b8e224ea7fa4ebdc9b8d07c324608ffa2e20b4b8d69

          • C:\Users\Admin\AppData\Local\Temp\A596.exe
            Filesize

            3.9MB

            MD5

            4f8a7c030aa8784e5f9726de742be5b5

            SHA1

            b458828a0383defa2b1c79dc043d7e7e8cc712c4

            SHA256

            b8885e1a627026d5ebbce5dfc321358a1d339e0b30c887ab39e4b9e972f90952

            SHA512

            0c74b22a46d6362fc8e5a9d919c8d32f6a2e21e9c3bdbfb0be679407a753f8995cc929956c7bd0351e6f4b8e224ea7fa4ebdc9b8d07c324608ffa2e20b4b8d69

          • C:\Users\Admin\AppData\Local\Temp\main\7z.dll
            Filesize

            1.6MB

            MD5

            72491c7b87a7c2dd350b727444f13bb4

            SHA1

            1e9338d56db7ded386878eab7bb44b8934ab1bc7

            SHA256

            34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891

            SHA512

            583d0859d29145dfc48287c5a1b459e5db4e939624bd549ff02c61eae8a0f31fc96a509f3e146200cdd4c93b154123e5adfbfe01f7d172db33968155189b5511

          • C:\Users\Admin\AppData\Local\Temp\main\7z.dll
            Filesize

            1.6MB

            MD5

            72491c7b87a7c2dd350b727444f13bb4

            SHA1

            1e9338d56db7ded386878eab7bb44b8934ab1bc7

            SHA256

            34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891

            SHA512

            583d0859d29145dfc48287c5a1b459e5db4e939624bd549ff02c61eae8a0f31fc96a509f3e146200cdd4c93b154123e5adfbfe01f7d172db33968155189b5511

          • C:\Users\Admin\AppData\Local\Temp\main\7z.dll
            Filesize

            1.6MB

            MD5

            72491c7b87a7c2dd350b727444f13bb4

            SHA1

            1e9338d56db7ded386878eab7bb44b8934ab1bc7

            SHA256

            34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891

            SHA512

            583d0859d29145dfc48287c5a1b459e5db4e939624bd549ff02c61eae8a0f31fc96a509f3e146200cdd4c93b154123e5adfbfe01f7d172db33968155189b5511

          • C:\Users\Admin\AppData\Local\Temp\main\7z.dll
            Filesize

            1.6MB

            MD5

            72491c7b87a7c2dd350b727444f13bb4

            SHA1

            1e9338d56db7ded386878eab7bb44b8934ab1bc7

            SHA256

            34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891

            SHA512

            583d0859d29145dfc48287c5a1b459e5db4e939624bd549ff02c61eae8a0f31fc96a509f3e146200cdd4c93b154123e5adfbfe01f7d172db33968155189b5511

          • C:\Users\Admin\AppData\Local\Temp\main\7z.dll
            Filesize

            1.6MB

            MD5

            72491c7b87a7c2dd350b727444f13bb4

            SHA1

            1e9338d56db7ded386878eab7bb44b8934ab1bc7

            SHA256

            34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891

            SHA512

            583d0859d29145dfc48287c5a1b459e5db4e939624bd549ff02c61eae8a0f31fc96a509f3e146200cdd4c93b154123e5adfbfe01f7d172db33968155189b5511

          • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
            Filesize

            458KB

            MD5

            619f7135621b50fd1900ff24aade1524

            SHA1

            6c7ea8bbd435163ae3945cbef30ef6b9872a4591

            SHA256

            344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

            SHA512

            2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

          • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
            Filesize

            458KB

            MD5

            619f7135621b50fd1900ff24aade1524

            SHA1

            6c7ea8bbd435163ae3945cbef30ef6b9872a4591

            SHA256

            344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

            SHA512

            2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

          • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
            Filesize

            458KB

            MD5

            619f7135621b50fd1900ff24aade1524

            SHA1

            6c7ea8bbd435163ae3945cbef30ef6b9872a4591

            SHA256

            344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

            SHA512

            2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

          • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
            Filesize

            458KB

            MD5

            619f7135621b50fd1900ff24aade1524

            SHA1

            6c7ea8bbd435163ae3945cbef30ef6b9872a4591

            SHA256

            344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

            SHA512

            2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

          • C:\Users\Admin\AppData\Local\Temp\main\benbenben.exe
            Filesize

            1.5MB

            MD5

            4c76c4bb8969621583baa58bf9c625f4

            SHA1

            46fcb2f437241d330144ae3b9ec2980f9b12c209

            SHA256

            e78a454a7fcf939c27d8beec97b8b77f851df342e2682143c9d2dc66fcab4340

            SHA512

            5c52696822d339b0c9f53de3db0fabdf8c7158b6d00b42c59f78694b282243cf6f92066203c60cfcbf363b3684eba3ff10bdcd851557c05a46bfa38d0c856e0c

          • C:\Users\Admin\AppData\Local\Temp\main\extracted\ANTIAV~1.DAT
            Filesize

            2.0MB

            MD5

            8f6c27385ab490689ddcc61866824ce8

            SHA1

            5b1874737e5cd1b1c52b7b8e10714d2c6e87d96d

            SHA256

            d47d174fa9feac7cd178bd9a62d0f9183651c043f6f3c8d15bb7197fc1fc042f

            SHA512

            046371e4c93c89ea54fceacd9b5f69e842f84debc00e668509d4b853e53621395cb4ac713093ff81368f9ad717f4621565a906a999d8dbfa3c0fad0278909c1f

          • C:\Users\Admin\AppData\Local\Temp\main\extracted\benbenben.exe
            Filesize

            1.5MB

            MD5

            4c76c4bb8969621583baa58bf9c625f4

            SHA1

            46fcb2f437241d330144ae3b9ec2980f9b12c209

            SHA256

            e78a454a7fcf939c27d8beec97b8b77f851df342e2682143c9d2dc66fcab4340

            SHA512

            5c52696822d339b0c9f53de3db0fabdf8c7158b6d00b42c59f78694b282243cf6f92066203c60cfcbf363b3684eba3ff10bdcd851557c05a46bfa38d0c856e0c

          • C:\Users\Admin\AppData\Local\Temp\main\extracted\file_1.zip
            Filesize

            1.5MB

            MD5

            a73635e84d7ab318619454487514f446

            SHA1

            b492af29c93240c3479e69907f1ed74dec625ba6

            SHA256

            ed19a2d5f65d95969d697f205d3fa91688c6daac6274ac7e4847789c9b3a4061

            SHA512

            e8a0b92b3da67a60db0a9c65d7eb0bcd88d97ab1e72510eb602c1e0385b776c7834d08ff8618b805f805e457b21265884d71bdf9fafe6ca3da583ccd162b9f06

          • C:\Users\Admin\AppData\Local\Temp\main\extracted\file_2.zip
            Filesize

            1.5MB

            MD5

            620139174d311818701c05cbc8968c59

            SHA1

            7a427bf6653da862963e42c4f4a5a1ebd08ec061

            SHA256

            df5e8ab12f09d0dc41e2a7c7e5043d6477a7dc6d9a4bbae0943bbbbcfbdc6b2a

            SHA512

            21ebcfde72f38cc7d5feafe9168cb37e8b62c6fbf6a8c046fcba9cc9b6f079f5d4cc7dbf2b9d42e48fc4ff2909439a8cbff22c872b8453a944d0ad552792c37e

          • C:\Users\Admin\AppData\Local\Temp\main\extracted\file_3.zip
            Filesize

            3.0MB

            MD5

            1a18731f1f1b9e3746a31b9bf7d6b901

            SHA1

            48cd2531251dff411b084dbb88c7fe6a73c437f8

            SHA256

            149b8af8eb2eba7d584bbc72083fd26b0cbc678f75739fce532bd80cc6548cd7

            SHA512

            4d298d564e4791f9404edafacd4d8ff2b70fb93152ca4e33a48fdd07f25c5d3b0bf616b4fe1cceb0a911093fb0ca47052a3529f115825729641b3dec1c82fafa

          • C:\Users\Admin\AppData\Local\Temp\main\file.bin
            Filesize

            3.0MB

            MD5

            03bd09b1b43203b5847bd65a390c7fe9

            SHA1

            15599a412e9d6934eaf35da04488a997ce88638f

            SHA256

            11317bad4a6346566fec9f2cefcf1d0e97a074be1f85d2f25bebf4bbc532bd9a

            SHA512

            058a97e75feb690afc35939017017b6d86725ab901c0a52473e6bb201ac38bbc20e052762f49567ba7f6cd4ea23c0dc94f42aaaae7b80644438f3e4ab0ed3118

          • C:\Users\Admin\AppData\Local\Temp\main\main.bat
            Filesize

            476B

            MD5

            21b6341d2b4fc3c54bca293b71545d0c

            SHA1

            ba66216cd3552de6b3ad254f65ccb834188347b0

            SHA256

            432347ce4e632e70cc0cb988ed72c43a17b81f8955a3905e43a93708029a0daf

            SHA512

            04842ab2240d782fe7f3336f4776576f67f3a30ae522713b2bfb8e5c86ca30a2706f2c73ede5647495b8cde06ad36b6499bf8bd9c8908e794fdbdb8bd0d534d1

          • memory/228-134-0x0000000000000000-mapping.dmp
          • memory/840-161-0x0000000000000000-mapping.dmp
          • memory/2148-133-0x00000000009E0000-0x00000000009F6000-memory.dmp
            Filesize

            88KB

          • memory/2532-130-0x00000000006A2000-0x00000000006B2000-memory.dmp
            Filesize

            64KB

          • memory/2532-132-0x0000000000400000-0x000000000048D000-memory.dmp
            Filesize

            564KB

          • memory/2532-131-0x00000000001F0000-0x00000000001F9000-memory.dmp
            Filesize

            36KB

          • memory/3260-155-0x0000000000000000-mapping.dmp
          • memory/3500-139-0x0000000000000000-mapping.dmp
          • memory/3864-138-0x0000000000000000-mapping.dmp
          • memory/4144-162-0x0000000000000000-mapping.dmp
          • memory/4144-173-0x00000000067A0000-0x0000000006832000-memory.dmp
            Filesize

            584KB

          • memory/4144-178-0x0000000008850000-0x0000000008D7C000-memory.dmp
            Filesize

            5.2MB

          • memory/4144-177-0x0000000008150000-0x0000000008312000-memory.dmp
            Filesize

            1.8MB

          • memory/4144-176-0x0000000007F30000-0x0000000007F80000-memory.dmp
            Filesize

            320KB

          • memory/4144-175-0x0000000006B60000-0x0000000006B7E000-memory.dmp
            Filesize

            120KB

          • memory/4144-166-0x0000000000320000-0x0000000000842000-memory.dmp
            Filesize

            5.1MB

          • memory/4144-167-0x0000000005DB0000-0x00000000063C8000-memory.dmp
            Filesize

            6.1MB

          • memory/4144-168-0x0000000005830000-0x0000000005842000-memory.dmp
            Filesize

            72KB

          • memory/4144-169-0x0000000005960000-0x0000000005A6A000-memory.dmp
            Filesize

            1.0MB

          • memory/4144-170-0x0000000005890000-0x00000000058CC000-memory.dmp
            Filesize

            240KB

          • memory/4144-171-0x0000000005BC0000-0x0000000005C26000-memory.dmp
            Filesize

            408KB

          • memory/4144-172-0x0000000006C80000-0x0000000007224000-memory.dmp
            Filesize

            5.6MB

          • memory/4144-174-0x0000000006840000-0x00000000068B6000-memory.dmp
            Filesize

            472KB

          • memory/4392-141-0x0000000000000000-mapping.dmp
          • memory/4600-151-0x0000000000000000-mapping.dmp
          • memory/4616-147-0x0000000000000000-mapping.dmp
          • memory/4900-143-0x0000000000000000-mapping.dmp
          • memory/4960-137-0x0000000000000000-mapping.dmp