Analysis

  • max time kernel
    151s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2022, 01:44

General

  • Target
    file.exe
  • Size 186KB
  • Sample221122-b5tsvaaa4y
  • SHA256 b64e8eabf80fa115d768b803a66a6d3b1548f9be895a2d4bbd1f85ce1e8f8b31
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • KRIPT

C2
  • 212.8.246.157:32348

Attributes
  • auth_value

    80ebe4bab7a98a7ce9c75989ff9f40b4

Extracted

Family
  • amadey

Version
  • 3.50

C2
  • 193.56.146.174/g84kvj4jck/index.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detect Amadey credential stealer module 2 IoCs
  • Detects Smokeloader packer 2 IoCs
  • 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.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4592
  • C:\Users\Admin\AppData\Local\Temp\348D.exe
    C:\Users\Admin\AppData\Local\Temp\348D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3880
  • C:\Users\Admin\AppData\Local\Temp\4372.exe
    C:\Users\Admin\AppData\Local\Temp\4372.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    PID:1416
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
      2⤵
        PID:3100
    • C:\Users\Admin\AppData\Local\Temp\4E03.exe
      C:\Users\Admin\AppData\Local\Temp\4E03.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4176
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 1580
        2⤵
        • Program crash
        PID:3312
    • C:\Users\Admin\AppData\Local\Temp\55D4.exe
      C:\Users\Admin\AppData\Local\Temp\55D4.exe
      1⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3112
      • C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
        "C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe"
        2⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:3092
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe" /F
          3⤵
          • Creates scheduled task(s)
          PID:1152
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "rovwer.exe" /P "Admin:N"&&CACLS "rovwer.exe" /P "Admin:R" /E&&echo Y|CACLS "..\99e342142d" /P "Admin:N"&&CACLS "..\99e342142d" /P "Admin:R" /E&&Exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4840
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo Y"
            4⤵
              PID:2492
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "rovwer.exe" /P "Admin:N"
              4⤵
                PID:3360
              • C:\Windows\SysWOW64\cacls.exe
                CACLS "rovwer.exe" /P "Admin:R" /E
                4⤵
                  PID:5044
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "..\99e342142d" /P "Admin:N"
                  4⤵
                    PID:1344
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\99e342142d" /P "Admin:R" /E
                    4⤵
                      PID:2288
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                      4⤵
                        PID:4172
                    • C:\Windows\SysWOW64\rundll32.exe
                      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
                      3⤵
                      • Blocklisted process makes network request
                      • Loads dropped DLL
                      • Accesses Microsoft Outlook profiles
                      • outlook_win_path
                      PID:2176
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 1148
                    2⤵
                    • Program crash
                    PID:4696
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3112 -ip 3112
                  1⤵
                    PID:1232
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:4264
                    • C:\Windows\explorer.exe
                      C:\Windows\explorer.exe
                      1⤵
                        PID:716
                      • C:\Windows\SysWOW64\explorer.exe
                        C:\Windows\SysWOW64\explorer.exe
                        1⤵
                          PID:1124
                        • C:\Windows\explorer.exe
                          C:\Windows\explorer.exe
                          1⤵
                            PID:3856
                          • C:\Windows\SysWOW64\explorer.exe
                            C:\Windows\SysWOW64\explorer.exe
                            1⤵
                              PID:1920
                            • C:\Windows\SysWOW64\explorer.exe
                              C:\Windows\SysWOW64\explorer.exe
                              1⤵
                                PID:1780
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4176 -ip 4176
                                1⤵
                                  PID:4572
                                • C:\Windows\SysWOW64\explorer.exe
                                  C:\Windows\SysWOW64\explorer.exe
                                  1⤵
                                    PID:2088
                                  • C:\Windows\explorer.exe
                                    C:\Windows\explorer.exe
                                    1⤵
                                      PID:2104
                                    • C:\Windows\SysWOW64\explorer.exe
                                      C:\Windows\SysWOW64\explorer.exe
                                      1⤵
                                        PID:1616
                                      • C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                                        C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                                        1⤵
                                        • Executes dropped EXE
                                        PID:3992
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 428
                                          2⤵
                                          • Program crash
                                          PID:2148
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 3992 -ip 3992
                                        1⤵
                                          PID:2256

                                        Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              348D.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\348D.exe
                                              • Size 1.2MB
                                              • SHA256 63018f38311387aa7f511f090fd154ea6ec3799c2f4762890082793912c68146
                                              • MD5 SHA1 SHA512 SSDEEP

                                              348D.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\348D.exe
                                              • Size 1.2MB
                                              • SHA256 63018f38311387aa7f511f090fd154ea6ec3799c2f4762890082793912c68146
                                              • MD5 SHA1 SHA512 SSDEEP

                                              4372.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\4372.exe
                                              • Size 3.0MB
                                              • SHA256 9e0425e14520485fa7e86057d07d26e8064f99a7ad09e35211edd4a428ee57ae
                                              • MD5 SHA1 SHA512 SSDEEP

                                              4372.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\4372.exe
                                              • Size 3.0MB
                                              • SHA256 9e0425e14520485fa7e86057d07d26e8064f99a7ad09e35211edd4a428ee57ae
                                              • MD5 SHA1 SHA512 SSDEEP

                                              4E03.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\4E03.exe
                                              • Size 294KB
                                              • SHA256 675e5cd9c9dbfd1ff9fc32a0f2dabd8151e43e0f77841a3572a693fcde468823
                                              • MD5 SHA1 SHA512 SSDEEP

                                              4E03.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\4E03.exe
                                              • Size 294KB
                                              • SHA256 675e5cd9c9dbfd1ff9fc32a0f2dabd8151e43e0f77841a3572a693fcde468823
                                              • MD5 SHA1 SHA512 SSDEEP

                                              55D4.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\55D4.exe
                                              • Size 244KB
                                              • SHA256 e0f76f0f157e3c900bd9b9b0cab7d5a9e6544d689f96b2725fb5c39f499d7a69
                                              • MD5 SHA1 SHA512 SSDEEP

                                              55D4.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\55D4.exe
                                              • Size 244KB
                                              • SHA256 e0f76f0f157e3c900bd9b9b0cab7d5a9e6544d689f96b2725fb5c39f499d7a69
                                              • MD5 SHA1 SHA512 SSDEEP

                                              rovwer.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                                              • Size 244KB
                                              • SHA256 e0f76f0f157e3c900bd9b9b0cab7d5a9e6544d689f96b2725fb5c39f499d7a69
                                              • MD5 SHA1 SHA512 SSDEEP

                                              rovwer.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                                              • Size 244KB
                                              • SHA256 e0f76f0f157e3c900bd9b9b0cab7d5a9e6544d689f96b2725fb5c39f499d7a69
                                              • MD5 SHA1 SHA512 SSDEEP

                                              rovwer.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\99e342142d\rovwer.exe
                                              • Size 244KB
                                              • SHA256 e0f76f0f157e3c900bd9b9b0cab7d5a9e6544d689f96b2725fb5c39f499d7a69
                                              • MD5 SHA1 SHA512 SSDEEP

                                              cred64.dll

                                              • Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
                                              • Size 126KB
                                              • SHA256 3b82a0ea49d855327b64073872ebb6b63eee056e182be6b1935aa512628252af
                                              • MD5 SHA1 SHA512 SSDEEP

                                              cred64.dll

                                              • Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
                                              • Size 126KB
                                              • SHA256 3b82a0ea49d855327b64073872ebb6b63eee056e182be6b1935aa512628252af
                                              • MD5 SHA1 SHA512 SSDEEP

                                              memory/716-194-0x00000000004F0000-0x00000000004F9000-memory.dmp

                                              memory/716-220-0x00000000004F0000-0x00000000004F9000-memory.dmp

                                              memory/716-188-0x00000000004E0000-0x00000000004EF000-memory.dmp

                                              memory/1124-196-0x0000000000B60000-0x0000000000B65000-memory.dmp

                                              memory/1124-197-0x0000000000B50000-0x0000000000B59000-memory.dmp

                                              memory/1124-221-0x0000000000B60000-0x0000000000B65000-memory.dmp

                                              memory/1616-227-0x0000000000580000-0x0000000000588000-memory.dmp

                                              memory/1616-218-0x0000000000570000-0x000000000057B000-memory.dmp

                                              memory/1616-217-0x0000000000580000-0x0000000000588000-memory.dmp

                                              memory/1780-205-0x0000000000A00000-0x0000000000A09000-memory.dmp

                                              memory/1780-207-0x0000000000A10000-0x0000000000A15000-memory.dmp

                                              memory/1780-224-0x0000000000A10000-0x0000000000A15000-memory.dmp

                                              memory/1920-204-0x00000000016A0000-0x00000000016C7000-memory.dmp

                                              memory/1920-223-0x00000000016D0000-0x00000000016F2000-memory.dmp

                                              memory/1920-203-0x00000000016D0000-0x00000000016F2000-memory.dmp

                                              memory/2088-208-0x0000000000A70000-0x0000000000A76000-memory.dmp

                                              memory/2088-209-0x0000000000A60000-0x0000000000A6B000-memory.dmp

                                              memory/2088-225-0x0000000000A70000-0x0000000000A76000-memory.dmp

                                              memory/2092-160-0x0000000002B23000-0x0000000002C12000-memory.dmp

                                              memory/2092-144-0x000000000FD30000-0x000000000FE82000-memory.dmp

                                              memory/2092-143-0x0000000002B23000-0x0000000002C12000-memory.dmp

                                              memory/2092-139-0x0000000002658000-0x0000000002B19000-memory.dmp

                                              memory/2104-216-0x0000000000110000-0x000000000011D000-memory.dmp

                                              memory/2104-226-0x0000000000120000-0x0000000000127000-memory.dmp

                                              memory/2104-215-0x0000000000120000-0x0000000000127000-memory.dmp

                                              memory/3092-175-0x0000000000400000-0x00000000027F7000-memory.dmp

                                              memory/3092-172-0x0000000002998000-0x00000000029B7000-memory.dmp

                                              memory/3092-213-0x0000000000400000-0x00000000027F7000-memory.dmp

                                              memory/3100-234-0x0000000000400000-0x0000000000BEB000-memory.dmp

                                              memory/3100-232-0x0000000000400000-0x0000000000BEB000-memory.dmp

                                              memory/3100-233-0x0000000000400000-0x0000000000BEB000-memory.dmp

                                              memory/3100-231-0x0000000000400000-0x0000000000BEB000-memory.dmp

                                              memory/3100-230-0x0000000000400000-0x0000000000BEB000-memory.dmp

                                              memory/3100-228-0x0000000000400000-0x0000000000BEB000-memory.dmp

                                              memory/3112-165-0x00000000028D9000-0x00000000028F8000-memory.dmp

                                              memory/3112-178-0x0000000000400000-0x00000000027F7000-memory.dmp

                                              memory/3112-166-0x0000000002870000-0x00000000028AE000-memory.dmp

                                              memory/3112-170-0x0000000000400000-0x00000000027F7000-memory.dmp

                                              memory/3112-174-0x00000000028D9000-0x00000000028F8000-memory.dmp

                                              memory/3856-199-0x0000000000F40000-0x0000000000F46000-memory.dmp

                                              memory/3856-200-0x0000000000F30000-0x0000000000F3C000-memory.dmp

                                              memory/3856-222-0x0000000000F40000-0x0000000000F46000-memory.dmp

                                              memory/3880-159-0x0000000000400000-0x0000000000428000-memory.dmp

                                              memory/3880-193-0x0000000005F20000-0x0000000005F70000-memory.dmp

                                              memory/3880-191-0x0000000006080000-0x00000000060F6000-memory.dmp

                                              memory/3880-156-0x0000000000400000-0x0000000000428000-memory.dmp

                                              memory/3880-161-0x00000000052C0000-0x00000000058D8000-memory.dmp

                                              memory/3880-163-0x0000000004D70000-0x0000000004D82000-memory.dmp

                                              memory/3880-184-0x00000000050E0000-0x0000000005146000-memory.dmp

                                              memory/3880-164-0x0000000004DD0000-0x0000000004E0C000-memory.dmp

                                              memory/3992-237-0x0000000000400000-0x00000000027F7000-memory.dmp

                                              memory/3992-236-0x00000000029DC000-0x00000000029FB000-memory.dmp

                                              memory/4176-150-0x0000000000400000-0x00000000005AE000-memory.dmp

                                              memory/4176-189-0x00000000070A0000-0x0000000007262000-memory.dmp

                                              memory/4176-210-0x0000000000659000-0x000000000068A000-memory.dmp

                                              memory/4176-211-0x0000000000400000-0x00000000005AE000-memory.dmp

                                              memory/4176-148-0x0000000000659000-0x000000000068A000-memory.dmp

                                              memory/4176-162-0x0000000005410000-0x000000000551A000-memory.dmp

                                              memory/4176-149-0x00000000021F0000-0x000000000222E000-memory.dmp

                                              memory/4176-202-0x0000000000659000-0x000000000068A000-memory.dmp

                                              memory/4176-152-0x0000000004D20000-0x00000000052C4000-memory.dmp

                                              memory/4176-157-0x00000000052D0000-0x0000000005362000-memory.dmp

                                              memory/4176-190-0x0000000007530000-0x0000000007A5C000-memory.dmp

                                              memory/4264-186-0x0000000000910000-0x0000000000917000-memory.dmp

                                              memory/4264-187-0x0000000000900000-0x000000000090B000-memory.dmp

                                              memory/4264-219-0x0000000000910000-0x0000000000917000-memory.dmp

                                              memory/4592-132-0x0000000002B59000-0x0000000002B6A000-memory.dmp

                                              memory/4592-135-0x0000000000400000-0x00000000027E8000-memory.dmp

                                              memory/4592-134-0x0000000000400000-0x00000000027E8000-memory.dmp

                                              memory/4592-133-0x0000000002A80000-0x0000000002A89000-memory.dmp