Analysis

  • max time kernel
    116s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 04:57

General

  • Target
    file.exe
  • Size 410KB
  • Sample221205-fk9qsage27
  • SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.50

C2
  • 31.41.244.167/v7eWcjs/index.php

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 6 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 15 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 49 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1580
      • 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:936
      • C:\Users\Admin\AppData\Local\Temp\1000007001\linda5.exe
        "C:\Users\Admin\AppData\Local\Temp\1000007001\linda5.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1776
        • C:\Windows\SysWOW64\control.exe
          "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\Zcke.cpL",
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1628
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\Zcke.cpL",
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1544
            • C:\Windows\system32\RunDll32.exe
              C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\Zcke.cpL",
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1488
              • C:\Windows\SysWOW64\rundll32.exe
                "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\Zcke.cpL",
                7⤵
                • Loads dropped DLL
                PID:1292
      • 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:576
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B1AA2E60-106D-4697-9390-37D502606791} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1408
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1964

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        linda5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000007001\linda5.exe
        • Size 1.6MB
        • SHA256 19047cad6729d69fe8e203f2d0b91cd314998d9e30c74f423358d961dbaf0ddf
        • MD5 SHA1 SHA512 SSDEEP

        linda5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000007001\linda5.exe
        • Size 1.6MB
        • SHA256 19047cad6729d69fe8e203f2d0b91cd314998d9e30c74f423358d961dbaf0ddf
        • MD5 SHA1 SHA512 SSDEEP

        gntuud.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        • Size 410KB
        • SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
        • MD5 SHA1 SHA512 SSDEEP

        gntuud.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        • Size 410KB
        • SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
        • MD5 SHA1 SHA512 SSDEEP

        gntuud.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        • Size 410KB
        • SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
        • MD5 SHA1 SHA512 SSDEEP

        gntuud.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        • Size 410KB
        • SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
        • MD5 SHA1 SHA512 SSDEEP

        Zcke.cpL

        • Path C:\Users\Admin\AppData\Local\Temp\Zcke.cpL
        • Size 3.0MB
        • SHA256 e95d57ee7a6984311767b85e76666ae13bbed41f5351e29e07d5b9b3df8621d4
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
        • Size 126KB
        • SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
        • MD5 SHA1 SHA512 SSDEEP

        linda5.exe

        • Path \Users\Admin\AppData\Local\Temp\1000007001\linda5.exe
        • Size 1.6MB
        • SHA256 19047cad6729d69fe8e203f2d0b91cd314998d9e30c74f423358d961dbaf0ddf
        • MD5 SHA1 SHA512 SSDEEP

        gntuud.exe

        • Path \Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        • Size 410KB
        • SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
        • MD5 SHA1 SHA512 SSDEEP

        gntuud.exe

        • Path \Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
        • Size 410KB
        • SHA256 a17b1b48e85e6f8713723bb4417ecfc2deb0741a1a9a33f5c54b286d7e4de5f5
        • MD5 SHA1 SHA512 SSDEEP

        zcke.cpl

        • Path \Users\Admin\AppData\Local\Temp\zcke.cpl
        • Size 3.0MB
        • SHA256 e95d57ee7a6984311767b85e76666ae13bbed41f5351e29e07d5b9b3df8621d4
        • MD5 SHA1 SHA512 SSDEEP

        zcke.cpl

        • Path \Users\Admin\AppData\Local\Temp\zcke.cpl
        • Size 3.0MB
        • SHA256 e95d57ee7a6984311767b85e76666ae13bbed41f5351e29e07d5b9b3df8621d4
        • MD5 SHA1 SHA512 SSDEEP

        zcke.cpl

        • Path \Users\Admin\AppData\Local\Temp\zcke.cpl
        • Size 3.0MB
        • SHA256 e95d57ee7a6984311767b85e76666ae13bbed41f5351e29e07d5b9b3df8621d4
        • MD5 SHA1 SHA512 SSDEEP

        zcke.cpl

        • Path \Users\Admin\AppData\Local\Temp\zcke.cpl
        • Size 3.0MB
        • SHA256 e95d57ee7a6984311767b85e76666ae13bbed41f5351e29e07d5b9b3df8621d4
        • MD5 SHA1 SHA512 SSDEEP

        zcke.cpl

        • Path \Users\Admin\AppData\Local\Temp\zcke.cpl
        • Size 3.0MB
        • SHA256 e95d57ee7a6984311767b85e76666ae13bbed41f5351e29e07d5b9b3df8621d4
        • MD5 SHA1 SHA512 SSDEEP

        zcke.cpl

        • Path \Users\Admin\AppData\Local\Temp\zcke.cpl
        • Size 3.0MB
        • SHA256 e95d57ee7a6984311767b85e76666ae13bbed41f5351e29e07d5b9b3df8621d4
        • MD5 SHA1 SHA512 SSDEEP

        zcke.cpl

        • Path \Users\Admin\AppData\Local\Temp\zcke.cpl
        • Size 3.0MB
        • SHA256 e95d57ee7a6984311767b85e76666ae13bbed41f5351e29e07d5b9b3df8621d4
        • MD5 SHA1 SHA512 SSDEEP

        zcke.cpl

        • Path \Users\Admin\AppData\Local\Temp\zcke.cpl
        • Size 3.0MB
        • SHA256 e95d57ee7a6984311767b85e76666ae13bbed41f5351e29e07d5b9b3df8621d4
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
        • Size 126KB
        • SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
        • Size 126KB
        • SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
        • Size 126KB
        • SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
        • Size 126KB
        • SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
        • MD5 SHA1 SHA512 SSDEEP

        memory/576-104-0x0000000001AC0000-0x0000000001AE4000-memory.dmp

        memory/1292-126-0x0000000002DB0000-0x0000000002E7C000-memory.dmp

        memory/1292-117-0x0000000002B90000-0x0000000002CBB000-memory.dmp

        memory/1292-128-0x0000000002B90000-0x0000000002CBB000-memory.dmp

        memory/1292-124-0x0000000002CC0000-0x0000000002DA3000-memory.dmp

        memory/1408-94-0x0000000000598000-0x00000000005B7000-memory.dmp

        memory/1408-92-0x0000000000598000-0x00000000005B7000-memory.dmp

        memory/1408-95-0x0000000000400000-0x000000000046C000-memory.dmp

        memory/1416-63-0x0000000000508000-0x0000000000527000-memory.dmp

        memory/1416-54-0x0000000000508000-0x0000000000527000-memory.dmp

        memory/1416-57-0x00000000002B0000-0x00000000002EE000-memory.dmp

        memory/1416-55-0x0000000075E81000-0x0000000075E83000-memory.dmp

        memory/1416-56-0x0000000000508000-0x0000000000527000-memory.dmp

        memory/1416-58-0x0000000000400000-0x000000000046C000-memory.dmp

        memory/1416-64-0x0000000000400000-0x000000000046C000-memory.dmp

        memory/1544-106-0x0000000002E50000-0x0000000002F1C000-memory.dmp

        memory/1544-105-0x0000000002D60000-0x0000000002E43000-memory.dmp

        memory/1544-96-0x0000000001F60000-0x0000000002BAA000-memory.dmp

        memory/1544-107-0x0000000002E50000-0x0000000002F1C000-memory.dmp

        memory/1544-89-0x0000000002C30000-0x0000000002D5B000-memory.dmp

        memory/1544-88-0x0000000001F60000-0x0000000002BAA000-memory.dmp

        memory/1544-129-0x0000000002C30000-0x0000000002D5B000-memory.dmp

        memory/1580-75-0x00000000004F8000-0x0000000000517000-memory.dmp

        memory/1580-76-0x0000000000400000-0x000000000046C000-memory.dmp

        memory/1580-70-0x0000000000400000-0x000000000046C000-memory.dmp

        memory/1580-69-0x00000000004F8000-0x0000000000517000-memory.dmp

        memory/1580-65-0x00000000004F8000-0x0000000000517000-memory.dmp

        memory/1964-120-0x00000000004F8000-0x0000000000517000-memory.dmp

        memory/1964-123-0x0000000000400000-0x000000000046C000-memory.dmp

        memory/1964-122-0x00000000004F8000-0x0000000000517000-memory.dmp