Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2022, 15:56

General

  • Target
    bdf04d658b7ae747a172c2410a6622e9.exe
  • Size 266KB
  • Sample221007-tdcdlacgg7
  • SHA256 261fb304bbbd9c1501bd76529bbe7affe77c12b802598fa2bc365626346d20ff
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 5 IoCs
  • Detects Smokeloader packer 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Checks computer location settings 2 TTPs 2 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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.

  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdf04d658b7ae747a172c2410a6622e9.exe
    "C:\Users\Admin\AppData\Local\Temp\bdf04d658b7ae747a172c2410a6622e9.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1512
  • C:\Users\Admin\AppData\Local\Temp\E5E0.exe
    C:\Users\Admin\AppData\Local\Temp\E5E0.exe
    1⤵
    • Executes dropped EXE
    PID:4220
  • C:\Users\Admin\AppData\Local\Temp\E9C9.exe
    C:\Users\Admin\AppData\Local\Temp\E9C9.exe
    1⤵
    • Executes dropped EXE
    PID:600
  • C:\Users\Admin\AppData\Local\Temp\2E46.exe
    C:\Users\Admin\AppData\Local\Temp\2E46.exe
    1⤵
    • Executes dropped EXE
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
      "C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4380
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN wfyoot.exe /TR "C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:4776
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\70b90d83e65db7\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • outlook_win_path
        PID:2460
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\70b90d83e65db7\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:1204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 1136
      2⤵
      • Program crash
      PID:1320
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3688
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3576
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3692 -ip 3692
          1⤵
            PID:4140
          • C:\Windows\explorer.exe
            C:\Windows\explorer.exe
            1⤵
              PID:4048
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:2996
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:3756
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:4940
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:3992
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:3524
                      • C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                        C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                        1⤵
                        • Executes dropped EXE
                        PID:1060
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 312
                          2⤵
                          • Program crash
                          PID:1364
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1060 -ip 1060
                        1⤵
                          PID:1572

                        Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              wfyoot.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                              • Size 314KB
                              • SHA256 23443648c2468ae2297b052c2cef4c652cfac9dc275b825a4407d8ba97963904
                              • MD5 SHA1 SHA512 SSDEEP

                              wfyoot.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                              • Size 314KB
                              • SHA256 23443648c2468ae2297b052c2cef4c652cfac9dc275b825a4407d8ba97963904
                              • MD5 SHA1 SHA512 SSDEEP

                              wfyoot.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                              • Size 314KB
                              • SHA256 23443648c2468ae2297b052c2cef4c652cfac9dc275b825a4407d8ba97963904
                              • MD5 SHA1 SHA512 SSDEEP

                              2E46.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\2E46.exe
                              • Size 314KB
                              • SHA256 23443648c2468ae2297b052c2cef4c652cfac9dc275b825a4407d8ba97963904
                              • MD5 SHA1 SHA512 SSDEEP

                              2E46.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\2E46.exe
                              • Size 314KB
                              • SHA256 23443648c2468ae2297b052c2cef4c652cfac9dc275b825a4407d8ba97963904
                              • MD5 SHA1 SHA512 SSDEEP

                              E5E0.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\E5E0.exe
                              • Size 363KB
                              • SHA256 39c4fa10490d1f6e5f909786dee9ab0d8e8eb79bb04a9c541d2209224367ad16
                              • MD5 SHA1 SHA512 SSDEEP

                              E5E0.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\E5E0.exe
                              • Size 363KB
                              • SHA256 39c4fa10490d1f6e5f909786dee9ab0d8e8eb79bb04a9c541d2209224367ad16
                              • MD5 SHA1 SHA512 SSDEEP

                              E9C9.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\E9C9.exe
                              • Size 363KB
                              • SHA256 5e924125ff6aeb76684f4fb7f578c6d9278b243ed18e9a9eff8b2b28045ec5a5
                              • MD5 SHA1 SHA512 SSDEEP

                              E9C9.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\E9C9.exe
                              • Size 363KB
                              • SHA256 5e924125ff6aeb76684f4fb7f578c6d9278b243ed18e9a9eff8b2b28045ec5a5
                              • MD5 SHA1 SHA512 SSDEEP

                              cred64.dll

                              • Path C:\Users\Admin\AppData\Roaming\70b90d83e65db7\cred64.dll
                              • Size 126KB
                              • SHA256 ed09ad4a634284fcff5d1e12eb0263092d5fdbe910c5c2ae76827bbab6401675
                              • MD5 SHA1 SHA512 SSDEEP

                              cred64.dll

                              • Path C:\Users\Admin\AppData\Roaming\70b90d83e65db7\cred64.dll
                              • Size 126KB
                              • SHA256 ed09ad4a634284fcff5d1e12eb0263092d5fdbe910c5c2ae76827bbab6401675
                              • MD5 SHA1 SHA512 SSDEEP

                              cred64.dll

                              • Path C:\Users\Admin\AppData\Roaming\70b90d83e65db7\cred64.dll
                              • Size 126KB
                              • SHA256 ed09ad4a634284fcff5d1e12eb0263092d5fdbe910c5c2ae76827bbab6401675
                              • MD5 SHA1 SHA512 SSDEEP

                              cred64.dll

                              • Path C:\Users\Admin\AppData\Roaming\70b90d83e65db7\cred64.dll
                              • Size 126KB
                              • SHA256 ed09ad4a634284fcff5d1e12eb0263092d5fdbe910c5c2ae76827bbab6401675
                              • MD5 SHA1 SHA512 SSDEEP

                              memory/1060-200-0x0000000000400000-0x0000000000453000-memory.dmp

                              memory/1060-199-0x0000000000740000-0x000000000075C000-memory.dmp

                              memory/1512-134-0x0000000000400000-0x0000000000447000-memory.dmp

                              memory/1512-132-0x000000000061D000-0x000000000062D000-memory.dmp

                              memory/1512-133-0x00000000005A0000-0x00000000005A9000-memory.dmp

                              memory/1512-135-0x0000000000400000-0x0000000000447000-memory.dmp

                              memory/2460-196-0x0000000000A80000-0x0000000000AA4000-memory.dmp

                              memory/2996-167-0x0000000001020000-0x0000000001047000-memory.dmp

                              memory/2996-186-0x0000000001050000-0x0000000001072000-memory.dmp

                              memory/2996-166-0x0000000001050000-0x0000000001072000-memory.dmp

                              memory/3100-155-0x0000000000970000-0x0000000000975000-memory.dmp

                              memory/3100-156-0x0000000000960000-0x0000000000969000-memory.dmp

                              memory/3524-190-0x0000000000970000-0x0000000000978000-memory.dmp

                              memory/3524-182-0x0000000000960000-0x000000000096B000-memory.dmp

                              memory/3524-181-0x0000000000970000-0x0000000000978000-memory.dmp

                              memory/3576-149-0x00000000005E0000-0x00000000005E9000-memory.dmp

                              memory/3576-150-0x00000000005D0000-0x00000000005DF000-memory.dmp

                              memory/3576-184-0x00000000005E0000-0x00000000005E9000-memory.dmp

                              memory/3688-183-0x0000000000400000-0x0000000000407000-memory.dmp

                              memory/3688-146-0x0000000000400000-0x0000000000407000-memory.dmp

                              memory/3688-147-0x00000000001F0000-0x00000000001FB000-memory.dmp

                              memory/3692-154-0x0000000000400000-0x0000000000453000-memory.dmp

                              memory/3692-164-0x0000000000400000-0x0000000000453000-memory.dmp

                              memory/3692-152-0x00000000004AD000-0x00000000004CA000-memory.dmp

                              memory/3692-153-0x0000000002090000-0x00000000020C7000-memory.dmp

                              memory/3692-163-0x00000000004AD000-0x00000000004CA000-memory.dmp

                              memory/3756-187-0x0000000000DB0000-0x0000000000DB5000-memory.dmp

                              memory/3756-173-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

                              memory/3756-172-0x0000000000DB0000-0x0000000000DB5000-memory.dmp

                              memory/3992-189-0x0000000000F50000-0x0000000000F57000-memory.dmp

                              memory/3992-178-0x0000000000F40000-0x0000000000F4D000-memory.dmp

                              memory/3992-180-0x0000000000F50000-0x0000000000F57000-memory.dmp

                              memory/4048-162-0x0000000000DA0000-0x0000000000DAC000-memory.dmp

                              memory/4048-185-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

                              memory/4048-161-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

                              memory/4380-171-0x0000000000400000-0x0000000000453000-memory.dmp

                              memory/4380-170-0x000000000074C000-0x0000000000768000-memory.dmp

                              memory/4940-188-0x0000000000970000-0x0000000000976000-memory.dmp

                              memory/4940-176-0x0000000000970000-0x0000000000976000-memory.dmp

                              memory/4940-177-0x0000000000960000-0x000000000096B000-memory.dmp