Analysis

  • max time kernel
    156s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 11:07

General

  • Target

    file.exe

  • Size

    209KB

  • MD5

    bebede721760bb01fec9a831b1a81ff1

  • SHA1

    4f8204edd4d53d878e9a47ec36f4d4be1962903b

  • SHA256

    e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68

  • SHA512

    7e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7

  • SSDEEP

    3072:Bp4WwqNbH3iGA+0OXW51o3/aDgMg+UmdhN5GFA/q6Ww0AitabmjjPf:w+9F0OUo3qg+DNAFAdj0RIy

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 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 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:784
    • 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:4352
      • 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:3368
      • 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:2592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 1152
      2⤵
      • Program crash
      PID:3320
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 784 -ip 784
    1⤵
      PID:2744
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:1448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 420
        2⤵
        • Program crash
        PID:2248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1448 -ip 1448
      1⤵
        PID:3432
      • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:4088
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 420
          2⤵
          • Program crash
          PID:1824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4088 -ip 4088
        1⤵
          PID:3920

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          209KB

          MD5

          bebede721760bb01fec9a831b1a81ff1

          SHA1

          4f8204edd4d53d878e9a47ec36f4d4be1962903b

          SHA256

          e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68

          SHA512

          7e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7

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

          Filesize

          209KB

          MD5

          bebede721760bb01fec9a831b1a81ff1

          SHA1

          4f8204edd4d53d878e9a47ec36f4d4be1962903b

          SHA256

          e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68

          SHA512

          7e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7

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

          Filesize

          209KB

          MD5

          bebede721760bb01fec9a831b1a81ff1

          SHA1

          4f8204edd4d53d878e9a47ec36f4d4be1962903b

          SHA256

          e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68

          SHA512

          7e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7

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

          Filesize

          209KB

          MD5

          bebede721760bb01fec9a831b1a81ff1

          SHA1

          4f8204edd4d53d878e9a47ec36f4d4be1962903b

          SHA256

          e6dfff250936d9cfeac0a71fd1147d4b290e078ea382e52dba09516f35a1dc68

          SHA512

          7e595d29ad8ef52aafba9cc162d2a042b70f81819242f01047c15e2bd430e1119b5a793119834a759f41720b0ee480a8d27b37e5100e4a098b5eab4b37d916c7

        • 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/784-134-0x0000000000400000-0x000000000046A000-memory.dmp

          Filesize

          424KB

        • memory/784-142-0x000000000072D000-0x000000000074C000-memory.dmp

          Filesize

          124KB

        • memory/784-143-0x0000000000400000-0x000000000046A000-memory.dmp

          Filesize

          424KB

        • memory/784-132-0x000000000072D000-0x000000000074C000-memory.dmp

          Filesize

          124KB

        • memory/784-133-0x00000000021B0000-0x00000000021EE000-memory.dmp

          Filesize

          248KB

        • memory/1448-147-0x00000000004DF000-0x00000000004FE000-memory.dmp

          Filesize

          124KB

        • memory/1448-148-0x0000000002090000-0x00000000020CE000-memory.dmp

          Filesize

          248KB

        • memory/1448-149-0x0000000000400000-0x000000000046A000-memory.dmp

          Filesize

          424KB

        • memory/1448-150-0x00000000004DF000-0x00000000004FE000-memory.dmp

          Filesize

          124KB

        • memory/2592-151-0x0000000000000000-mapping.dmp

        • memory/3368-139-0x0000000000000000-mapping.dmp

        • memory/4088-155-0x00000000006DF000-0x00000000006FE000-memory.dmp

          Filesize

          124KB

        • memory/4088-156-0x0000000000400000-0x000000000046A000-memory.dmp

          Filesize

          424KB

        • memory/4352-140-0x00000000004C0000-0x00000000005C0000-memory.dmp

          Filesize

          1024KB

        • memory/4352-145-0x0000000000400000-0x000000000046A000-memory.dmp

          Filesize

          424KB

        • memory/4352-144-0x00000000004C0000-0x00000000005C0000-memory.dmp

          Filesize

          1024KB

        • memory/4352-141-0x0000000000400000-0x000000000046A000-memory.dmp

          Filesize

          424KB

        • memory/4352-135-0x0000000000000000-mapping.dmp