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Analysis

  • max time kernel
    137s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2022, 23:30

General

  • Target

    b683607df14ae608daf23153c5714922fc1ccf1bd2f298ac7647e98eb59cc2cf.exe

  • Size

    244KB

  • MD5

    58588ea18c2dcc2a1b615487e9eef4f0

  • SHA1

    71d0005f925bdd040e73dd8431bd9425b71ab7b4

  • SHA256

    b683607df14ae608daf23153c5714922fc1ccf1bd2f298ac7647e98eb59cc2cf

  • SHA512

    1beee595cd09befcada46c89fb090e74804f11f6ff1c2e8f9fb5c2a9341b06122f7adddb85c19572392d835607edbf69375917ea6ccca22d18c1b868dce29def

  • SSDEEP

    3072:6hMyv8+z1C4MinBr652ai+bXyXsd8li6Sab2QLi3rAX4iqSWoSEJsnE2zRsF2KRh:4Mykj4NnhP+bI4XViqNMKnnzT+Mc

Malware Config

Extracted

Family

amadey

Version

3.50

C2

31.41.244.17/hfk3vK9/index.php

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 3 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 5 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 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b683607df14ae608daf23153c5714922fc1ccf1bd2f298ac7647e98eb59cc2cf.exe
    "C:\Users\Admin\AppData\Local\Temp\b683607df14ae608daf23153c5714922fc1ccf1bd2f298ac7647e98eb59cc2cf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4896
      • 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\3f904562a0\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1608
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:1956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 1140
      2⤵
      • Program crash
      PID:4532
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1488 -ip 1488
    1⤵
      PID:2844
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 460
        2⤵
        • Program crash
        PID:1060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 480
        2⤵
        • Program crash
        PID:3504
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 536 -ip 536
      1⤵
        PID:2736
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 536 -ip 536
        1⤵
          PID:2428
        • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          1⤵
          • Executes dropped EXE
          PID:2328
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 460
            2⤵
            • Program crash
            PID:3140
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 480
            2⤵
            • Program crash
            PID:4052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2328 -ip 2328
          1⤵
            PID:2508
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2328 -ip 2328
            1⤵
              PID:3460

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

              Filesize

              244KB

              MD5

              58588ea18c2dcc2a1b615487e9eef4f0

              SHA1

              71d0005f925bdd040e73dd8431bd9425b71ab7b4

              SHA256

              b683607df14ae608daf23153c5714922fc1ccf1bd2f298ac7647e98eb59cc2cf

              SHA512

              1beee595cd09befcada46c89fb090e74804f11f6ff1c2e8f9fb5c2a9341b06122f7adddb85c19572392d835607edbf69375917ea6ccca22d18c1b868dce29def

            • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

              Filesize

              244KB

              MD5

              58588ea18c2dcc2a1b615487e9eef4f0

              SHA1

              71d0005f925bdd040e73dd8431bd9425b71ab7b4

              SHA256

              b683607df14ae608daf23153c5714922fc1ccf1bd2f298ac7647e98eb59cc2cf

              SHA512

              1beee595cd09befcada46c89fb090e74804f11f6ff1c2e8f9fb5c2a9341b06122f7adddb85c19572392d835607edbf69375917ea6ccca22d18c1b868dce29def

            • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

              Filesize

              244KB

              MD5

              58588ea18c2dcc2a1b615487e9eef4f0

              SHA1

              71d0005f925bdd040e73dd8431bd9425b71ab7b4

              SHA256

              b683607df14ae608daf23153c5714922fc1ccf1bd2f298ac7647e98eb59cc2cf

              SHA512

              1beee595cd09befcada46c89fb090e74804f11f6ff1c2e8f9fb5c2a9341b06122f7adddb85c19572392d835607edbf69375917ea6ccca22d18c1b868dce29def

            • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

              Filesize

              244KB

              MD5

              58588ea18c2dcc2a1b615487e9eef4f0

              SHA1

              71d0005f925bdd040e73dd8431bd9425b71ab7b4

              SHA256

              b683607df14ae608daf23153c5714922fc1ccf1bd2f298ac7647e98eb59cc2cf

              SHA512

              1beee595cd09befcada46c89fb090e74804f11f6ff1c2e8f9fb5c2a9341b06122f7adddb85c19572392d835607edbf69375917ea6ccca22d18c1b868dce29def

            • C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll

              Filesize

              126KB

              MD5

              adbaf286228c46522e50371c4be31a03

              SHA1

              a29d644c4663b2e2b2bd92046ba0df629537c297

              SHA256

              d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

              SHA512

              74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

            • C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll

              Filesize

              126KB

              MD5

              adbaf286228c46522e50371c4be31a03

              SHA1

              a29d644c4663b2e2b2bd92046ba0df629537c297

              SHA256

              d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

              SHA512

              74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

            • memory/536-146-0x000000000060F000-0x000000000062E000-memory.dmp

              Filesize

              124KB

            • memory/536-149-0x0000000000400000-0x0000000000472000-memory.dmp

              Filesize

              456KB

            • memory/536-148-0x000000000060F000-0x000000000062E000-memory.dmp

              Filesize

              124KB

            • memory/536-147-0x0000000000400000-0x0000000000472000-memory.dmp

              Filesize

              456KB

            • memory/1488-133-0x00000000021C0000-0x00000000021FE000-memory.dmp

              Filesize

              248KB

            • memory/1488-134-0x0000000000400000-0x0000000000472000-memory.dmp

              Filesize

              456KB

            • memory/1488-132-0x00000000004ED000-0x000000000050C000-memory.dmp

              Filesize

              124KB

            • memory/1488-142-0x0000000000400000-0x0000000000472000-memory.dmp

              Filesize

              456KB

            • memory/1488-141-0x00000000004ED000-0x000000000050C000-memory.dmp

              Filesize

              124KB

            • memory/2328-154-0x000000000067F000-0x000000000069E000-memory.dmp

              Filesize

              124KB

            • memory/2328-155-0x0000000000400000-0x0000000000472000-memory.dmp

              Filesize

              456KB

            • memory/2328-156-0x000000000067F000-0x000000000069E000-memory.dmp

              Filesize

              124KB

            • memory/2328-157-0x0000000000400000-0x0000000000472000-memory.dmp

              Filesize

              456KB

            • memory/4896-140-0x0000000000400000-0x0000000000472000-memory.dmp

              Filesize

              456KB

            • memory/4896-143-0x0000000000480000-0x0000000000580000-memory.dmp

              Filesize

              1024KB

            • memory/4896-139-0x0000000000480000-0x0000000000580000-memory.dmp

              Filesize

              1024KB