Analysis

  • max time kernel
    117s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/12/2022, 17:38

General

  • Target
    file.exe
  • Size 291KB
  • Sample221214-v7prfsaf44
  • SHA256 5f9376c01729d8e5dcdff078cec30b27b754bd7784cbeb33ed50bb642a0ded5e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.60

C2
  • 62.204.41.79/fb73jc3/index.php

Extracted

Family
  • redline

Botnet
  • sila

C2
  • 31.41.244.186:4083

Attributes
  • auth_value

    489039b8bd277c20d87811d486157ac3

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 4 IoCs
  • RedLine

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

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Loads dropped DLL 3 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
  • Adds Run key to start application 2 TTPs 3 IoCs
  • 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). Likely ransomware behaviour.

  • Program crash 4 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 42 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 computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3204
    • C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1692
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "gntuud.exe" /P "Admin:N"&&CACLS "gntuud.exe" /P "Admin:R" /E&&echo Y|CACLS "..\2c33368f7d" /P "Admin:N"&&CACLS "..\2c33368f7d" /P "Admin:R" /E&&Exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:336
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
          4⤵
            PID:5052
          • C:\Windows\SysWOW64\cacls.exe
            CACLS "gntuud.exe" /P "Admin:N"
            4⤵
              PID:2572
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "gntuud.exe" /P "Admin:R" /E
              4⤵
                PID:3488
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                4⤵
                  PID:1456
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "..\2c33368f7d" /P "Admin:N"
                  4⤵
                    PID:3580
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\2c33368f7d" /P "Admin:R" /E
                    4⤵
                      PID:4732
                  • C:\Users\Admin\Desktop\1000015053\anon.exe
                    "C:\Users\Admin\Desktop\1000015053\anon.exe"
                    3⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3624
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 1940
                      4⤵
                      • Program crash
                      PID:4248
                  • C:\Users\Admin\Desktop\1000016053\linda5.exe
                    "C:\Users\Admin\Desktop\1000016053\linda5.exe"
                    3⤵
                    • Executes dropped EXE
                    • Checks computer location settings
                    • Suspicious use of WriteProcessMemory
                    PID:3412
                    • C:\Windows\SysWOW64\msiexec.exe
                      "C:\Windows\System32\msiexec.exe" -y .\_azYV.2
                      4⤵
                      • Loads dropped DLL
                      PID:4488
                  • C:\Users\Admin\Desktop\1000017053\sila.exe
                    "C:\Users\Admin\Desktop\1000017053\sila.exe"
                    3⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3592
                  • C:\Windows\SysWOW64\rundll32.exe
                    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
                    3⤵
                    • Blocklisted process makes network request
                    • Loads dropped DLL
                    • Accesses Microsoft Outlook profiles
                    • Suspicious behavior: EnumeratesProcesses
                    • outlook_win_path
                    PID:1120
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 1144
                  2⤵
                  • Program crash
                  PID:4288
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3204 -ip 3204
                1⤵
                  PID:5080
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3624 -ip 3624
                  1⤵
                    PID:1444
                  • C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                    C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                    1⤵
                    • Executes dropped EXE
                    PID:1972
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 424
                      2⤵
                      • Program crash
                      PID:4796
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1972 -ip 1972
                    1⤵
                      PID:3720
                    • C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                      C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                      1⤵
                      • Executes dropped EXE
                      PID:3400
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 428
                        2⤵
                        • Program crash
                        PID:112
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3400 -ip 3400
                      1⤵
                        PID:4016

                      Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            gntuud.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                            • Size 291KB
                            • SHA256 5f9376c01729d8e5dcdff078cec30b27b754bd7784cbeb33ed50bb642a0ded5e
                            • MD5 SHA1 SHA512 SSDEEP

                            gntuud.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                            • Size 291KB
                            • SHA256 5f9376c01729d8e5dcdff078cec30b27b754bd7784cbeb33ed50bb642a0ded5e
                            • MD5 SHA1 SHA512 SSDEEP

                            gntuud.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                            • Size 291KB
                            • SHA256 5f9376c01729d8e5dcdff078cec30b27b754bd7784cbeb33ed50bb642a0ded5e
                            • MD5 SHA1 SHA512 SSDEEP

                            gntuud.exe

                            • Path C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                            • Size 291KB
                            • SHA256 5f9376c01729d8e5dcdff078cec30b27b754bd7784cbeb33ed50bb642a0ded5e
                            • MD5 SHA1 SHA512 SSDEEP

                            _azYV.2

                            • Path C:\Users\Admin\AppData\Local\Temp\_azYV.2
                            • Size 1.4MB
                            • SHA256 01de478710841d9fe919b61245e92c8b4d5ef5ebfedf1f9a5c19ee7994c668f8
                            • MD5 SHA1 SHA512 SSDEEP

                            _azyV.2

                            • Path C:\Users\Admin\AppData\Local\Temp\_azyV.2
                            • Size 1.4MB
                            • SHA256 01de478710841d9fe919b61245e92c8b4d5ef5ebfedf1f9a5c19ee7994c668f8
                            • MD5 SHA1 SHA512 SSDEEP

                            cred64.dll

                            • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                            • Size 126KB
                            • SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
                            • MD5 SHA1 SHA512 SSDEEP

                            cred64.dll

                            • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                            • Size 126KB
                            • SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
                            • MD5 SHA1 SHA512 SSDEEP

                            cred64.dll

                            • Path C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
                            • Size 126KB
                            • SHA256 d35b5dd18d91dbfe3dc89cb75b6a26757777b5c52a33cd8fcf6e5ed45a946f1a
                            • MD5 SHA1 SHA512 SSDEEP

                            anon.exe

                            • Path C:\Users\Admin\Desktop\1000015053\anon.exe
                            • Size 353KB
                            • SHA256 4343c3ad32fa7e10bd408f79d1c4e3d12a9355236774874edc10564974194fa0
                            • MD5 SHA1 SHA512 SSDEEP

                            anon.exe

                            • Path C:\Users\Admin\Desktop\1000015053\anon.exe
                            • Size 353KB
                            • SHA256 4343c3ad32fa7e10bd408f79d1c4e3d12a9355236774874edc10564974194fa0
                            • MD5 SHA1 SHA512 SSDEEP

                            linda5.exe

                            • Path C:\Users\Admin\Desktop\1000016053\linda5.exe
                            • Size 1.6MB
                            • SHA256 a28da4a5a2032b83e89509e897267703307533f201aa3b09447f90bf788aa179
                            • MD5 SHA1 SHA512 SSDEEP

                            linda5.exe

                            • Path C:\Users\Admin\Desktop\1000016053\linda5.exe
                            • Size 1.6MB
                            • SHA256 a28da4a5a2032b83e89509e897267703307533f201aa3b09447f90bf788aa179
                            • MD5 SHA1 SHA512 SSDEEP

                            sila.exe

                            • Path C:\Users\Admin\Desktop\1000017053\sila.exe
                            • Size 175KB
                            • SHA256 81e5e9e2ea32a672ccf1fad05da545fd6227dba2162730a7262da824b268c65c
                            • MD5 SHA1 SHA512 SSDEEP

                            sila.exe

                            • Path C:\Users\Admin\Desktop\1000017053\sila.exe
                            • Size 175KB
                            • SHA256 81e5e9e2ea32a672ccf1fad05da545fd6227dba2162730a7262da824b268c65c
                            • MD5 SHA1 SHA512 SSDEEP

                            memory/1120-197-0x0000000002120000-0x0000000002144000-memory.dmp

                            memory/1972-191-0x0000000000684000-0x00000000006A3000-memory.dmp

                            memory/1972-192-0x0000000000400000-0x0000000000465000-memory.dmp

                            memory/3204-133-0x00000000004C0000-0x00000000005C0000-memory.dmp

                            memory/3204-135-0x0000000000400000-0x0000000000465000-memory.dmp

                            memory/3204-139-0x0000000000400000-0x0000000000465000-memory.dmp

                            memory/3204-134-0x00000000007D0000-0x000000000080E000-memory.dmp

                            memory/3400-200-0x0000000000400000-0x0000000000465000-memory.dmp

                            memory/3400-199-0x0000000000534000-0x0000000000553000-memory.dmp

                            memory/3592-185-0x0000000006BE0000-0x0000000006DA2000-memory.dmp

                            memory/3592-186-0x00000000072E0000-0x000000000780C000-memory.dmp

                            memory/3592-176-0x0000000000950000-0x0000000000982000-memory.dmp

                            memory/3592-188-0x0000000006B50000-0x0000000006BC6000-memory.dmp

                            memory/3592-189-0x0000000006DB0000-0x0000000006E00000-memory.dmp

                            memory/3624-165-0x0000000005430000-0x000000000546C000-memory.dmp

                            memory/3624-187-0x0000000000400000-0x0000000000475000-memory.dmp

                            memory/3624-154-0x0000000000480000-0x0000000000580000-memory.dmp

                            memory/3624-155-0x00000000006D0000-0x000000000071B000-memory.dmp

                            memory/3624-177-0x0000000000480000-0x0000000000580000-memory.dmp

                            memory/3624-178-0x0000000000400000-0x0000000000475000-memory.dmp

                            memory/3624-179-0x0000000007600000-0x0000000007666000-memory.dmp

                            memory/3624-156-0x0000000000400000-0x0000000000475000-memory.dmp

                            memory/3624-157-0x0000000004C90000-0x0000000005234000-memory.dmp

                            memory/3624-158-0x0000000004BA0000-0x0000000004C32000-memory.dmp

                            memory/3624-162-0x0000000007BD0000-0x00000000081E8000-memory.dmp

                            memory/3624-164-0x0000000005410000-0x0000000005422000-memory.dmp

                            memory/3624-163-0x00000000052D0000-0x00000000053DA000-memory.dmp

                            memory/4392-169-0x0000000000563000-0x0000000000582000-memory.dmp

                            memory/4392-141-0x0000000000563000-0x0000000000582000-memory.dmp

                            memory/4392-142-0x0000000000400000-0x0000000000465000-memory.dmp

                            memory/4392-170-0x0000000000400000-0x0000000000465000-memory.dmp

                            memory/4488-181-0x0000000003640000-0x0000000003714000-memory.dmp

                            memory/4488-180-0x0000000003550000-0x000000000363A000-memory.dmp

                            memory/4488-171-0x0000000003160000-0x00000000032A5000-memory.dmp

                            memory/4488-172-0x0000000003400000-0x0000000003543000-memory.dmp

                            memory/4488-184-0x0000000003400000-0x0000000003543000-memory.dmp