Analysis

  • max time kernel
    150s
  • max time network
    147s
  • 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, 13:18

General

  • Target
    79b2c383aa7f47ab2dc0e43f8a81cc0beb0587afa528c.exe
  • Size 266KB
  • Sample221007-qjybgaceh3
  • SHA256 79b2c383aa7f47ab2dc0e43f8a81cc0beb0587afa528c28d30450f7a3750dd8f
  • 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 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 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 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79b2c383aa7f47ab2dc0e43f8a81cc0beb0587afa528c.exe
    "C:\Users\Admin\AppData\Local\Temp\79b2c383aa7f47ab2dc0e43f8a81cc0beb0587afa528c.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:540
  • C:\Users\Admin\AppData\Local\Temp\E563.exe
    C:\Users\Admin\AppData\Local\Temp\E563.exe
    1⤵
    • Executes dropped EXE
    PID:5024
  • C:\Users\Admin\AppData\Local\Temp\E95C.exe
    C:\Users\Admin\AppData\Local\Temp\E95C.exe
    1⤵
    • Executes dropped EXE
    PID:3920
  • C:\Users\Admin\AppData\Local\Temp\30F.exe
    C:\Users\Admin\AppData\Local\Temp\30F.exe
    1⤵
    • Executes dropped EXE
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3796
    • 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:5104
      • 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:2904
      • 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:4352
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\70b90d83e65db7\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:3404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 1132
      2⤵
      • Program crash
      PID:4000
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3680
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3676
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3796 -ip 3796
          1⤵
            PID:812
          • C:\Windows\explorer.exe
            C:\Windows\explorer.exe
            1⤵
              PID:5016
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:5108
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:992
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:1624
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:952
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:4884
                      • C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                        C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                        1⤵
                        • Executes dropped EXE
                        PID:808
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 808 -s 312
                          2⤵
                          • Program crash
                          PID:788
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 808 -ip 808
                        1⤵
                          PID:1536
                        • C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                          C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                          1⤵
                          • Executes dropped EXE
                          PID:4072
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 320
                            2⤵
                            • Program crash
                            PID:2484
                        • C:\Users\Admin\AppData\Roaming\jggdwat
                          C:\Users\Admin\AppData\Roaming\jggdwat
                          1⤵
                          • Executes dropped EXE
                          • Checks SCSI registry key(s)
                          • Suspicious behavior: MapViewOfSection
                          PID:3788
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4072 -ip 4072
                          1⤵
                            PID:4472

                          Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                wfyoot.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                                • Size 314KB
                                • SHA256 292952ec16f4a603899012bc3f138de8f7b3953466fb56cd047a6118cabba11e
                                • MD5 SHA1 SHA512 SSDEEP

                                wfyoot.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                                • Size 314KB
                                • SHA256 292952ec16f4a603899012bc3f138de8f7b3953466fb56cd047a6118cabba11e
                                • MD5 SHA1 SHA512 SSDEEP

                                wfyoot.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                                • Size 314KB
                                • SHA256 292952ec16f4a603899012bc3f138de8f7b3953466fb56cd047a6118cabba11e
                                • MD5 SHA1 SHA512 SSDEEP

                                wfyoot.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe
                                • Size 314KB
                                • SHA256 292952ec16f4a603899012bc3f138de8f7b3953466fb56cd047a6118cabba11e
                                • MD5 SHA1 SHA512 SSDEEP

                                30F.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\30F.exe
                                • Size 314KB
                                • SHA256 292952ec16f4a603899012bc3f138de8f7b3953466fb56cd047a6118cabba11e
                                • MD5 SHA1 SHA512 SSDEEP

                                30F.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\30F.exe
                                • Size 314KB
                                • SHA256 292952ec16f4a603899012bc3f138de8f7b3953466fb56cd047a6118cabba11e
                                • MD5 SHA1 SHA512 SSDEEP

                                E563.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\E563.exe
                                • Size 363KB
                                • SHA256 39c4fa10490d1f6e5f909786dee9ab0d8e8eb79bb04a9c541d2209224367ad16
                                • MD5 SHA1 SHA512 SSDEEP

                                E563.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\E563.exe
                                • Size 363KB
                                • SHA256 39c4fa10490d1f6e5f909786dee9ab0d8e8eb79bb04a9c541d2209224367ad16
                                • MD5 SHA1 SHA512 SSDEEP

                                E95C.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\E95C.exe
                                • Size 363KB
                                • SHA256 5e924125ff6aeb76684f4fb7f578c6d9278b243ed18e9a9eff8b2b28045ec5a5
                                • MD5 SHA1 SHA512 SSDEEP

                                E95C.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\E95C.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

                                jggdwat

                                • Path C:\Users\Admin\AppData\Roaming\jggdwat
                                • Size 266KB
                                • SHA256 79b2c383aa7f47ab2dc0e43f8a81cc0beb0587afa528c28d30450f7a3750dd8f
                                • MD5 SHA1 SHA512 SSDEEP

                                jggdwat

                                • Path C:\Users\Admin\AppData\Roaming\jggdwat
                                • Size 266KB
                                • SHA256 79b2c383aa7f47ab2dc0e43f8a81cc0beb0587afa528c28d30450f7a3750dd8f
                                • MD5 SHA1 SHA512 SSDEEP

                                memory/540-135-0x0000000000400000-0x0000000000448000-memory.dmp

                                memory/540-134-0x0000000000400000-0x0000000000448000-memory.dmp

                                memory/540-133-0x00000000005A0000-0x00000000005A9000-memory.dmp

                                memory/540-132-0x000000000066D000-0x000000000067D000-memory.dmp

                                memory/808-189-0x00000000007D0000-0x00000000007EC000-memory.dmp

                                memory/808-190-0x0000000000400000-0x0000000000453000-memory.dmp

                                memory/952-178-0x00000000005D0000-0x00000000005DD000-memory.dmp

                                memory/952-177-0x00000000005E0000-0x00000000005E7000-memory.dmp

                                memory/992-187-0x0000000000DC0000-0x0000000000DC5000-memory.dmp

                                memory/992-172-0x0000000000DB0000-0x0000000000DB9000-memory.dmp

                                memory/992-171-0x0000000000DC0000-0x0000000000DC5000-memory.dmp

                                memory/1624-175-0x0000000000750000-0x000000000075B000-memory.dmp

                                memory/1624-188-0x0000000000760000-0x0000000000766000-memory.dmp

                                memory/1624-174-0x0000000000760000-0x0000000000766000-memory.dmp

                                memory/3404-197-0x0000000000390000-0x00000000003B4000-memory.dmp

                                memory/3668-158-0x00000000008D0000-0x00000000008D5000-memory.dmp

                                memory/3668-184-0x00000000008D0000-0x00000000008D5000-memory.dmp

                                memory/3668-159-0x00000000008C0000-0x00000000008C9000-memory.dmp

                                memory/3676-149-0x00000000001B0000-0x00000000001B9000-memory.dmp

                                memory/3676-150-0x00000000001A0000-0x00000000001AF000-memory.dmp

                                memory/3676-183-0x00000000001B0000-0x00000000001B9000-memory.dmp

                                memory/3680-148-0x0000000000C80000-0x0000000000C8B000-memory.dmp

                                memory/3680-147-0x0000000000C90000-0x0000000000C97000-memory.dmp

                                memory/3680-182-0x0000000000C90000-0x0000000000C97000-memory.dmp

                                memory/3788-206-0x0000000000400000-0x0000000000448000-memory.dmp

                                memory/3788-205-0x0000000000400000-0x0000000000448000-memory.dmp

                                memory/3788-204-0x000000000055D000-0x000000000056D000-memory.dmp

                                memory/3796-161-0x000000000065D000-0x0000000000679000-memory.dmp

                                memory/3796-154-0x00000000005C0000-0x00000000005F7000-memory.dmp

                                memory/3796-152-0x000000000065D000-0x0000000000679000-memory.dmp

                                memory/3796-157-0x0000000000400000-0x0000000000453000-memory.dmp

                                memory/4072-203-0x0000000000400000-0x0000000000453000-memory.dmp

                                memory/4072-202-0x0000000000560000-0x000000000057C000-memory.dmp

                                memory/4884-181-0x0000000001100000-0x000000000110B000-memory.dmp

                                memory/4884-180-0x0000000001110000-0x0000000001118000-memory.dmp

                                memory/4884-191-0x0000000001110000-0x0000000001118000-memory.dmp

                                memory/5016-162-0x0000000000790000-0x0000000000796000-memory.dmp

                                memory/5016-163-0x0000000000780000-0x000000000078C000-memory.dmp

                                memory/5104-169-0x00000000004FC000-0x0000000000518000-memory.dmp

                                memory/5104-170-0x0000000000400000-0x0000000000453000-memory.dmp

                                memory/5108-165-0x00000000008F0000-0x0000000000912000-memory.dmp

                                memory/5108-166-0x00000000008C0000-0x00000000008E7000-memory.dmp

                                memory/5108-186-0x00000000008F0000-0x0000000000912000-memory.dmp