Analysis

  • max time kernel
    116s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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
  • Upadated.1.223.4.5

C2
  • 185.106.92.214:27015

Attributes
  • auth_value

    0c304cf8b8401955246cabd794362647

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 5 IoCs
  • RedLine

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

  • RedLine payload 2 IoCs
  • .NET Reactor proctector 2 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 11 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.

  • 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 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⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1380
      • 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:680
      • 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:1460
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo Y"
          4⤵
            PID:1648
          • C:\Windows\SysWOW64\cacls.exe
            CACLS "gntuud.exe" /P "Admin:N"
            4⤵
              PID:1228
            • C:\Windows\SysWOW64\cacls.exe
              CACLS "gntuud.exe" /P "Admin:R" /E
              4⤵
                PID:576
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                4⤵
                  PID:536
                • C:\Windows\SysWOW64\cacls.exe
                  CACLS "..\2c33368f7d" /P "Admin:N"
                  4⤵
                    PID:828
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "..\2c33368f7d" /P "Admin:R" /E
                    4⤵
                      PID:564
                  • 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:1028
                  • C:\Users\Admin\Desktop\1000016053\linda5.exe
                    "C:\Users\Admin\Desktop\1000016053\linda5.exe"
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:1700
                    • C:\Windows\SysWOW64\msiexec.exe
                      "C:\Windows\System32\msiexec.exe" -y .\_azYV.2
                      4⤵
                      • Loads dropped DLL
                      PID:1344
                  • 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:772
                  • 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:1556
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {F7B122B4-9BFD-4B10-88BB-F5DE443C0845} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]
                1⤵
                • Suspicious use of WriteProcessMemory
                PID:2016
                • C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                  C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                  2⤵
                  • Executes dropped EXE
                  PID:1116
                • C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                  C:\Users\Admin\AppData\Local\Temp\2c33368f7d\gntuud.exe
                  2⤵
                  • Executes dropped EXE
                  PID:948

              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

                    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

                    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

                    gntuud.exe

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

                    gntuud.exe

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

                    _azyV.2

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

                    cred64.dll

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

                    cred64.dll

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

                    cred64.dll

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

                    cred64.dll

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

                    anon.exe

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

                    anon.exe

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

                    linda5.exe

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

                    sila.exe

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

                    memory/772-105-0x0000000000F00000-0x0000000000F32000-memory.dmp

                    memory/948-130-0x0000000000628000-0x0000000000648000-memory.dmp

                    memory/948-133-0x0000000000400000-0x0000000000465000-memory.dmp

                    memory/948-132-0x0000000000628000-0x0000000000648000-memory.dmp

                    memory/1028-112-0x0000000000558000-0x0000000000587000-memory.dmp

                    memory/1028-113-0x0000000000400000-0x0000000000475000-memory.dmp

                    memory/1028-80-0x0000000000558000-0x0000000000587000-memory.dmp

                    memory/1028-85-0x0000000000400000-0x0000000000475000-memory.dmp

                    memory/1028-84-0x0000000000220000-0x000000000026B000-memory.dmp

                    memory/1028-83-0x0000000000558000-0x0000000000587000-memory.dmp

                    memory/1028-107-0x0000000000558000-0x0000000000587000-memory.dmp

                    memory/1028-81-0x0000000002150000-0x0000000002196000-memory.dmp

                    memory/1028-82-0x0000000002190000-0x00000000021D4000-memory.dmp

                    memory/1116-123-0x0000000000400000-0x0000000000465000-memory.dmp

                    memory/1116-122-0x00000000002E8000-0x0000000000308000-memory.dmp

                    memory/1116-117-0x00000000002E8000-0x0000000000308000-memory.dmp

                    memory/1144-62-0x0000000000400000-0x0000000000465000-memory.dmp

                    memory/1144-60-0x0000000000578000-0x0000000000598000-memory.dmp

                    memory/1144-54-0x0000000000578000-0x0000000000598000-memory.dmp

                    memory/1144-61-0x0000000000220000-0x000000000025E000-memory.dmp

                    memory/1144-55-0x0000000076041000-0x0000000076043000-memory.dmp

                    memory/1344-98-0x0000000000B50000-0x0000000000CB6000-memory.dmp

                    memory/1344-108-0x0000000002B40000-0x0000000002C2A000-memory.dmp

                    memory/1344-109-0x0000000002C30000-0x0000000002D04000-memory.dmp

                    memory/1344-100-0x00000000029F0000-0x0000000002B33000-memory.dmp

                    memory/1344-114-0x00000000029F0000-0x0000000002B33000-memory.dmp

                    memory/1344-99-0x0000000002750000-0x0000000002895000-memory.dmp

                    memory/1380-74-0x0000000000308000-0x0000000000328000-memory.dmp

                    memory/1380-63-0x0000000000308000-0x0000000000328000-memory.dmp

                    memory/1380-75-0x0000000000400000-0x0000000000465000-memory.dmp

                    memory/1380-88-0x0000000000400000-0x0000000000465000-memory.dmp

                    memory/1380-87-0x0000000000308000-0x0000000000328000-memory.dmp