Analysis

  • max time kernel
    117s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2022, 04:47

General

  • Target
    file.exe
  • Size 301KB
  • Sample221229-fejbmsfd61
  • SHA256 59bb9cb2e2303067e37fbe85becdf96f81ceef791356da211e877a62295cb890
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.63

C2
  • 62.204.41.17/8bdSvcD/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 8 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 34 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:1764
    • C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
      "C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN nbveek.exe /TR "C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1524
      • C:\Users\Admin\AppData\Local\Temp\1000011051\linda5.exe
        "C:\Users\Admin\AppData\Local\Temp\1000011051\linda5.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1544
        • C:\Windows\SysWOW64\msiexec.exe
          "C:\Windows\System32\msiexec.exe" /y .\XEhHTIbp.~R
          4⤵
          • Loads dropped DLL
          PID:1712
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:1796
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E02BD9D7-458C-429E-A294-1E142B20C1B8} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
      C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
      2⤵
      • Executes dropped EXE
      PID:1012
    • C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
      C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
      2⤵
      • Executes dropped EXE
      PID:108

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        linda5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000011051\linda5.exe
        • Size 1.6MB
        • SHA256 a2254ee7a95c310b7c27eb6bca96d36c8e037d2769fb23c1f475bac5a21a83f8
        • MD5 SHA1 SHA512 SSDEEP

        linda5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000011051\linda5.exe
        • Size 1.6MB
        • SHA256 a2254ee7a95c310b7c27eb6bca96d36c8e037d2769fb23c1f475bac5a21a83f8
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 59bb9cb2e2303067e37fbe85becdf96f81ceef791356da211e877a62295cb890
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 59bb9cb2e2303067e37fbe85becdf96f81ceef791356da211e877a62295cb890
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 59bb9cb2e2303067e37fbe85becdf96f81ceef791356da211e877a62295cb890
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 59bb9cb2e2303067e37fbe85becdf96f81ceef791356da211e877a62295cb890
        • MD5 SHA1 SHA512 SSDEEP

        XEhHTIbp.~R

        • Path C:\Users\Admin\AppData\Local\Temp\XEhHTIbp.~R
        • Size 1.5MB
        • SHA256 87b0c30c97dd79163d668f4f67d22c9f7cd573781ae7cc58a7a119618009b500
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll
        • Size 126KB
        • SHA256 53bb660c1ae533d41b887a771ab2d8a2f73320c4d1441448c4bf75dfbc875321
        • MD5 SHA1 SHA512 SSDEEP

        linda5.exe

        • Path \Users\Admin\AppData\Local\Temp\1000011051\linda5.exe
        • Size 1.6MB
        • SHA256 a2254ee7a95c310b7c27eb6bca96d36c8e037d2769fb23c1f475bac5a21a83f8
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path \Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 59bb9cb2e2303067e37fbe85becdf96f81ceef791356da211e877a62295cb890
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path \Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 59bb9cb2e2303067e37fbe85becdf96f81ceef791356da211e877a62295cb890
        • MD5 SHA1 SHA512 SSDEEP

        xEhHTibp.~R

        • Path \Users\Admin\AppData\Local\Temp\xEhHTibp.~R
        • Size 1.5MB
        • SHA256 87b0c30c97dd79163d668f4f67d22c9f7cd573781ae7cc58a7a119618009b500
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll
        • Size 126KB
        • SHA256 53bb660c1ae533d41b887a771ab2d8a2f73320c4d1441448c4bf75dfbc875321
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll
        • Size 126KB
        • SHA256 53bb660c1ae533d41b887a771ab2d8a2f73320c4d1441448c4bf75dfbc875321
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll
        • Size 126KB
        • SHA256 53bb660c1ae533d41b887a771ab2d8a2f73320c4d1441448c4bf75dfbc875321
        • MD5 SHA1 SHA512 SSDEEP

        cred64.dll

        • Path \Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll
        • Size 126KB
        • SHA256 53bb660c1ae533d41b887a771ab2d8a2f73320c4d1441448c4bf75dfbc875321
        • MD5 SHA1 SHA512 SSDEEP

        memory/108-101-0x000000000053B000-0x000000000055A000-memory.dmp

        memory/108-102-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/1012-96-0x000000000056B000-0x000000000058A000-memory.dmp

        memory/1012-97-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/1712-77-0x0000000073360000-0x00000000734EE000-memory.dmp

        memory/1712-81-0x0000000000DD0000-0x0000000000E9E000-memory.dmp

        memory/1712-80-0x0000000000CE0000-0x0000000000DC6000-memory.dmp

        memory/1712-84-0x0000000002410000-0x0000000002594000-memory.dmp

        memory/1712-76-0x0000000002410000-0x0000000002594000-memory.dmp

        memory/1764-61-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/1764-60-0x0000000000220000-0x000000000025C000-memory.dmp

        memory/1764-59-0x000000000053B000-0x000000000055A000-memory.dmp

        memory/1764-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

        memory/1796-94-0x00000000002A0000-0x00000000002C4000-memory.dmp

        memory/2004-66-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/2004-65-0x00000000004FB000-0x000000000051A000-memory.dmp

        memory/2004-79-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/2004-78-0x00000000004FB000-0x000000000051A000-memory.dmp