Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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 12:25

General

  • Target

    8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe

  • Size

    206KB

  • MD5

    fa88feb7e83019914c5bc21121a3dca5

  • SHA1

    d28d4f68b6d7d91063cae67f5cb950e0bf2bb085

  • SHA256

    8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1

  • SHA512

    d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191

  • SSDEEP

    3072:FQ2RgCKWIEFKWv5gv7kNIxzGTPBCasbPOP/9BD2sbgnjd5:nWCKWIEgD7kNItjaszOH9M7j

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 3 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\8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe
    "C:\Users\Admin\AppData\Local\Temp\8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3068
    • 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:1348
      • 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:1584
      • 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:4816
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 920
      2⤵
      • Program crash
      PID:3508
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3068 -ip 3068
    1⤵
      PID:396
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:2504
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 416
        2⤵
        • Program crash
        PID:4900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2504 -ip 2504
      1⤵
        PID:1668
      • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:4748
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 416
          2⤵
          • Program crash
          PID:4080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4748 -ip 4748
        1⤵
          PID:2192
        • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
          1⤵
          • Executes dropped EXE
          PID:2772

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          206KB

          MD5

          fa88feb7e83019914c5bc21121a3dca5

          SHA1

          d28d4f68b6d7d91063cae67f5cb950e0bf2bb085

          SHA256

          8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1

          SHA512

          d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191

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

          206KB

          MD5

          fa88feb7e83019914c5bc21121a3dca5

          SHA1

          d28d4f68b6d7d91063cae67f5cb950e0bf2bb085

          SHA256

          8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1

          SHA512

          d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191

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

          206KB

          MD5

          fa88feb7e83019914c5bc21121a3dca5

          SHA1

          d28d4f68b6d7d91063cae67f5cb950e0bf2bb085

          SHA256

          8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1

          SHA512

          d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191

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

          206KB

          MD5

          fa88feb7e83019914c5bc21121a3dca5

          SHA1

          d28d4f68b6d7d91063cae67f5cb950e0bf2bb085

          SHA256

          8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1

          SHA512

          d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191

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

          206KB

          MD5

          fa88feb7e83019914c5bc21121a3dca5

          SHA1

          d28d4f68b6d7d91063cae67f5cb950e0bf2bb085

          SHA256

          8a75eb40f565ba16ea141ad0473315253ac17c6368ce59506ff6532f219181d1

          SHA512

          d2925f553cd10be8e185d53fb7490467594d5552fc3ed3ad2eaf5fa9069dd95b3d2de34ce17dbc541c545a0d0aca694c1b31b9a3ac60ab60bc27f838504d7191

        • 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/1348-142-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/1348-135-0x0000000000000000-mapping.dmp
        • memory/1348-141-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/1348-139-0x0000000000C9C000-0x0000000000CBB000-memory.dmp
          Filesize

          124KB

        • memory/1584-140-0x0000000000000000-mapping.dmp
        • memory/2504-144-0x0000000000D11000-0x0000000000D30000-memory.dmp
          Filesize

          124KB

        • memory/2504-145-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/2504-146-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/3068-132-0x0000000000CDE000-0x0000000000CFD000-memory.dmp
          Filesize

          124KB

        • memory/3068-138-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/3068-134-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/3068-133-0x0000000002860000-0x000000000289E000-memory.dmp
          Filesize

          248KB

        • memory/4748-151-0x0000000000D20000-0x0000000000D3F000-memory.dmp
          Filesize

          124KB

        • memory/4748-152-0x0000000000400000-0x0000000000AE5000-memory.dmp
          Filesize

          6.9MB

        • memory/4816-147-0x0000000000000000-mapping.dmp