Analysis

  • max time kernel
    150s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    26-05-2022 17:32

General

  • Target

    106088675c6fa8fef05e7c9b7a79e723d803cd394f444ec44b69e04784935177.exe

  • Size

    184KB

  • MD5

    b1b3fc337e7b14424954e599cdea7a4b

  • SHA1

    4ef4b6a9a6658f391b75e568197a227e1dfae5c6

  • SHA256

    106088675c6fa8fef05e7c9b7a79e723d803cd394f444ec44b69e04784935177

  • SHA512

    45deb4a2e85dbcff94c40a8454a52c94bfbde8ae4d446b61cc285900f4c5568580a22daab9cbb4df5f03d433cc7e502d023e3dc79623808ecb53382a4495ff9e

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

vidar

Version

52.3

Botnet

1415

C2

https://t.me/hyipsdigest

https://mastodon.online/@ronxik13

Attributes
  • profile_id

    1415

Extracted

Family

redline

Botnet

4

C2

45.10.43.167:26696

Attributes
  • auth_value

    907b4009a916888062785688f81bc6b3

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.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

    suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

  • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

  • Vidar Stealer 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Delays execution with timeout.exe 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\106088675c6fa8fef05e7c9b7a79e723d803cd394f444ec44b69e04784935177.exe
    "C:\Users\Admin\AppData\Local\Temp\106088675c6fa8fef05e7c9b7a79e723d803cd394f444ec44b69e04784935177.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1872
  • C:\Users\Admin\AppData\Local\Temp\4006.exe
    C:\Users\Admin\AppData\Local\Temp\4006.exe
    1⤵
    • Executes dropped EXE
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 10
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4832
      • C:\Windows\SysWOW64\timeout.exe
        timeout 10
        3⤵
        • Delays execution with timeout.exe
        PID:412
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3552
  • C:\Users\Admin\AppData\Local\Temp\5FC4.exe
    C:\Users\Admin\AppData\Local\Temp\5FC4.exe
    1⤵
    • Executes dropped EXE
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im 5FC4.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\5FC4.exe" & del C:\ProgramData\*.dll & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3452
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 5FC4.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2864
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:3684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 1912
      2⤵
      • Program crash
      PID:1996
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4176
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 884
        2⤵
        • Program crash
        PID:4888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4176 -ip 4176
      1⤵
        PID:204
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe
        1⤵
          PID:3756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4524 -ip 4524
          1⤵
            PID:636

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Credential Access

          Credentials in Files

          3
          T1081

          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\freebl3.dll
            Filesize

            326KB

            MD5

            ef2834ac4ee7d6724f255beaf527e635

            SHA1

            5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

            SHA256

            a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

            SHA512

            c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

          • C:\ProgramData\mozglue.dll
            Filesize

            133KB

            MD5

            8f73c08a9660691143661bf7332c3c27

            SHA1

            37fa65dd737c50fda710fdbde89e51374d0c204a

            SHA256

            3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

            SHA512

            0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

          • C:\ProgramData\mozglue.dll
            Filesize

            133KB

            MD5

            8f73c08a9660691143661bf7332c3c27

            SHA1

            37fa65dd737c50fda710fdbde89e51374d0c204a

            SHA256

            3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

            SHA512

            0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

          • C:\ProgramData\msvcp140.dll
            Filesize

            429KB

            MD5

            109f0f02fd37c84bfc7508d4227d7ed5

            SHA1

            ef7420141bb15ac334d3964082361a460bfdb975

            SHA256

            334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

            SHA512

            46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

          • C:\ProgramData\nss3.dll
            Filesize

            1.2MB

            MD5

            bfac4e3c5908856ba17d41edcd455a51

            SHA1

            8eec7e888767aa9e4cca8ff246eb2aacb9170428

            SHA256

            e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

            SHA512

            2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

          • C:\ProgramData\nss3.dll
            Filesize

            1.2MB

            MD5

            bfac4e3c5908856ba17d41edcd455a51

            SHA1

            8eec7e888767aa9e4cca8ff246eb2aacb9170428

            SHA256

            e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

            SHA512

            2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

          • C:\ProgramData\softokn3.dll
            Filesize

            141KB

            MD5

            a2ee53de9167bf0d6c019303b7ca84e5

            SHA1

            2a3c737fa1157e8483815e98b666408a18c0db42

            SHA256

            43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

            SHA512

            45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

          • C:\ProgramData\vcruntime140.dll
            Filesize

            81KB

            MD5

            7587bf9cb4147022cd5681b015183046

            SHA1

            f2106306a8f6f0da5afb7fc765cfa0757ad5a628

            SHA256

            c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

            SHA512

            0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

          • C:\Users\Admin\AppData\Local\Temp\4006.exe
            Filesize

            342KB

            MD5

            5081f141de74d785dacfe8254097d29f

            SHA1

            bd8f230e9c79d66718871c0b2a770988e021aa21

            SHA256

            dac6ad2b96313e9fed6a84abc829204b40effc0f89fc602889377b589c28fe4a

            SHA512

            09d507af2faece517c5bdc69ab37d468a9cc9dc177e3737d4e31beffcb38037827c1d3f95a7de5321c914a85e69e1b4fb1c9f5d93ef08457bef57109cca0b6dc

          • C:\Users\Admin\AppData\Local\Temp\4006.exe
            Filesize

            342KB

            MD5

            5081f141de74d785dacfe8254097d29f

            SHA1

            bd8f230e9c79d66718871c0b2a770988e021aa21

            SHA256

            dac6ad2b96313e9fed6a84abc829204b40effc0f89fc602889377b589c28fe4a

            SHA512

            09d507af2faece517c5bdc69ab37d468a9cc9dc177e3737d4e31beffcb38037827c1d3f95a7de5321c914a85e69e1b4fb1c9f5d93ef08457bef57109cca0b6dc

          • C:\Users\Admin\AppData\Local\Temp\5FC4.exe
            Filesize

            424KB

            MD5

            6641efc4581527396f07ecb7064b0b70

            SHA1

            d7d311b3c434142ae4475bce8a29d00db63171fd

            SHA256

            ce72b2805cd1f5215210a5318ceba62bebafe82a54fc593487b361375c24302e

            SHA512

            43c5bccfbeea12585b97827e17a21b1de8856f3d177d58422022393d8cd28d8a0e6e8468468b798a1f71341f22705ecf5bd69b8ea3395a3936912459d77c313f

          • C:\Users\Admin\AppData\Local\Temp\5FC4.exe
            Filesize

            424KB

            MD5

            6641efc4581527396f07ecb7064b0b70

            SHA1

            d7d311b3c434142ae4475bce8a29d00db63171fd

            SHA256

            ce72b2805cd1f5215210a5318ceba62bebafe82a54fc593487b361375c24302e

            SHA512

            43c5bccfbeea12585b97827e17a21b1de8856f3d177d58422022393d8cd28d8a0e6e8468468b798a1f71341f22705ecf5bd69b8ea3395a3936912459d77c313f

          • memory/412-171-0x0000000000000000-mapping.dmp
          • memory/1864-180-0x0000000023D90000-0x0000000024334000-memory.dmp
            Filesize

            5.6MB

          • memory/1864-179-0x0000000023740000-0x00000000237D2000-memory.dmp
            Filesize

            584KB

          • memory/1864-178-0x0000000004BD0000-0x0000000004C36000-memory.dmp
            Filesize

            408KB

          • memory/1864-137-0x00000000000C0000-0x000000000011C000-memory.dmp
            Filesize

            368KB

          • memory/1864-134-0x0000000000000000-mapping.dmp
          • memory/1872-131-0x00000000005D0000-0x00000000005D9000-memory.dmp
            Filesize

            36KB

          • memory/1872-132-0x0000000000400000-0x0000000000435000-memory.dmp
            Filesize

            212KB

          • memory/1872-130-0x000000000065E000-0x0000000000667000-memory.dmp
            Filesize

            36KB

          • memory/2636-133-0x0000000000B00000-0x0000000000B16000-memory.dmp
            Filesize

            88KB

          • memory/2864-168-0x0000000000000000-mapping.dmp
          • memory/3452-167-0x0000000000000000-mapping.dmp
          • memory/3552-188-0x00000000059C0000-0x00000000059DE000-memory.dmp
            Filesize

            120KB

          • memory/3552-186-0x0000000004E80000-0x0000000004EBC000-memory.dmp
            Filesize

            240KB

          • memory/3552-185-0x0000000004F40000-0x000000000504A000-memory.dmp
            Filesize

            1.0MB

          • memory/3552-187-0x0000000005280000-0x00000000052F6000-memory.dmp
            Filesize

            472KB

          • memory/3552-189-0x00000000074D0000-0x0000000007520000-memory.dmp
            Filesize

            320KB

          • memory/3552-190-0x0000000006DA0000-0x0000000006F62000-memory.dmp
            Filesize

            1.8MB

          • memory/3552-191-0x0000000008A50000-0x0000000008F7C000-memory.dmp
            Filesize

            5.2MB

          • memory/3552-181-0x0000000000000000-mapping.dmp
          • memory/3552-182-0x0000000000400000-0x0000000000420000-memory.dmp
            Filesize

            128KB

          • memory/3552-183-0x00000000053A0000-0x00000000059B8000-memory.dmp
            Filesize

            6.1MB

          • memory/3552-184-0x0000000004E10000-0x0000000004E22000-memory.dmp
            Filesize

            72KB

          • memory/3684-169-0x0000000000000000-mapping.dmp
          • memory/3756-145-0x0000000000000000-mapping.dmp
          • memory/4176-141-0x0000000000000000-mapping.dmp
          • memory/4524-146-0x0000000060900000-0x0000000060992000-memory.dmp
            Filesize

            584KB

          • memory/4524-144-0x0000000000400000-0x0000000000933000-memory.dmp
            Filesize

            5.2MB

          • memory/4524-143-0x0000000000BB0000-0x0000000000BFF000-memory.dmp
            Filesize

            316KB

          • memory/4524-142-0x0000000000AC9000-0x0000000000AF7000-memory.dmp
            Filesize

            184KB

          • memory/4524-138-0x0000000000000000-mapping.dmp
          • memory/4832-170-0x0000000000000000-mapping.dmp