Analysis

  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 14:35

General

  • Target

    46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe

  • Size

    207KB

  • MD5

    3aac99a54cfdd924ec513a839b25e03b

  • SHA1

    0ba641dc2a9feb7d686a8750d33402ef77402918

  • SHA256

    46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b

  • SHA512

    27ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a

  • SSDEEP

    3072:ixjTCc9AiGJlcn5q1Wf1PMaWFYRri6CEDBDY6wTwgdxfcXOWq3APnLRPHc:kTCqAiQlrWf1kXGNBckgHBTQjRP

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
  • Downloads MZ/PE file
  • Executes dropped EXE 4 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 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 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe
    "C:\Users\Admin\AppData\Local\Temp\46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4828
    • 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:2576
      • 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:1756
      • 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:3816
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 1136
      2⤵
      • Program crash
      PID:416
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4828 -ip 4828
    1⤵
      PID:2892
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:2244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 416
        2⤵
        • Program crash
        PID:2448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2244 -ip 2244
      1⤵
        PID:3376
      • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:2528
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 416
          2⤵
          • Program crash
          PID:1516
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2528 -ip 2528
        1⤵
          PID:856
        • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          1⤵
          • Executes dropped EXE
          PID:4128
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 416
            2⤵
            • Program crash
            PID:1000
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4128 -ip 4128
          1⤵
            PID:1692

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            207KB

            MD5

            3aac99a54cfdd924ec513a839b25e03b

            SHA1

            0ba641dc2a9feb7d686a8750d33402ef77402918

            SHA256

            46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b

            SHA512

            27ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a

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

            Filesize

            207KB

            MD5

            3aac99a54cfdd924ec513a839b25e03b

            SHA1

            0ba641dc2a9feb7d686a8750d33402ef77402918

            SHA256

            46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b

            SHA512

            27ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a

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

            Filesize

            207KB

            MD5

            3aac99a54cfdd924ec513a839b25e03b

            SHA1

            0ba641dc2a9feb7d686a8750d33402ef77402918

            SHA256

            46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b

            SHA512

            27ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a

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

            Filesize

            207KB

            MD5

            3aac99a54cfdd924ec513a839b25e03b

            SHA1

            0ba641dc2a9feb7d686a8750d33402ef77402918

            SHA256

            46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b

            SHA512

            27ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a

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

            Filesize

            207KB

            MD5

            3aac99a54cfdd924ec513a839b25e03b

            SHA1

            0ba641dc2a9feb7d686a8750d33402ef77402918

            SHA256

            46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b

            SHA512

            27ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a

          • 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/1756-139-0x0000000000000000-mapping.dmp

          • memory/2244-144-0x0000000000CC0000-0x0000000000CDF000-memory.dmp

            Filesize

            124KB

          • memory/2244-145-0x0000000000400000-0x0000000000AE6000-memory.dmp

            Filesize

            6.9MB

          • memory/2528-151-0x0000000000400000-0x0000000000AE6000-memory.dmp

            Filesize

            6.9MB

          • memory/2528-150-0x0000000000B60000-0x0000000000B7F000-memory.dmp

            Filesize

            124KB

          • memory/2576-142-0x0000000000400000-0x0000000000AE6000-memory.dmp

            Filesize

            6.9MB

          • memory/2576-135-0x0000000000000000-mapping.dmp

          • memory/2576-141-0x0000000000400000-0x0000000000AE6000-memory.dmp

            Filesize

            6.9MB

          • memory/2576-140-0x0000000000DCC000-0x0000000000DEB000-memory.dmp

            Filesize

            124KB

          • memory/3816-146-0x0000000000000000-mapping.dmp

          • memory/4128-153-0x0000000000D00000-0x0000000000D1F000-memory.dmp

            Filesize

            124KB

          • memory/4128-154-0x0000000000400000-0x0000000000AE6000-memory.dmp

            Filesize

            6.9MB

          • memory/4828-132-0x0000000000D9E000-0x0000000000DBD000-memory.dmp

            Filesize

            124KB

          • memory/4828-138-0x0000000000400000-0x0000000000AE6000-memory.dmp

            Filesize

            6.9MB

          • memory/4828-134-0x0000000000400000-0x0000000000AE6000-memory.dmp

            Filesize

            6.9MB

          • memory/4828-133-0x0000000002820000-0x000000000285E000-memory.dmp

            Filesize

            248KB