Analysis

  • max time kernel
    114s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2022, 01:16

General

  • Target
    file.exe
  • Size 301KB
  • Sample221229-bmtecscb35
  • SHA256 e3e1cbd1c005c4da3daefa10b395827d3f0eca9d474387fa97ca9947be7f41f5
  • 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:2000
    • 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:2036
      • 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:1552
      • 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:1168
        • C:\Windows\SysWOW64\regsvr32.exe
          "C:\Windows\System32\regsvr32.exe" /S AWYuID.Sh4
          4⤵
          • Loads dropped DLL
          PID:748
      • 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:1488
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {FE5C3685-8A4F-4653-8EFF-3132A824E98E} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
      C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
      2⤵
      • Executes dropped EXE
      PID:920
    • C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
      C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
      2⤵
      • Executes dropped EXE
      PID:1648

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 4efe8814fed12848173ac6f73cf929931c298b04562ef8a93dab2997846637ea
        • MD5 SHA1 SHA512 SSDEEP

        linda5.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1000011051\linda5.exe
        • Size 1.6MB
        • SHA256 4efe8814fed12848173ac6f73cf929931c298b04562ef8a93dab2997846637ea
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 e3e1cbd1c005c4da3daefa10b395827d3f0eca9d474387fa97ca9947be7f41f5
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 e3e1cbd1c005c4da3daefa10b395827d3f0eca9d474387fa97ca9947be7f41f5
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 e3e1cbd1c005c4da3daefa10b395827d3f0eca9d474387fa97ca9947be7f41f5
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 e3e1cbd1c005c4da3daefa10b395827d3f0eca9d474387fa97ca9947be7f41f5
        • MD5 SHA1 SHA512 SSDEEP

        AWYuID.Sh4

        • Path C:\Users\Admin\AppData\Local\Temp\AWYuID.Sh4
        • Size 1.5MB
        • SHA256 f5e198abce5a306fd621978b027100343a6e54f1d9293d8998e5a901cc4eb69f
        • 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 4efe8814fed12848173ac6f73cf929931c298b04562ef8a93dab2997846637ea
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path \Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 e3e1cbd1c005c4da3daefa10b395827d3f0eca9d474387fa97ca9947be7f41f5
        • MD5 SHA1 SHA512 SSDEEP

        nbveek.exe

        • Path \Users\Admin\AppData\Local\Temp\3858e4df6b\nbveek.exe
        • Size 301KB
        • SHA256 e3e1cbd1c005c4da3daefa10b395827d3f0eca9d474387fa97ca9947be7f41f5
        • MD5 SHA1 SHA512 SSDEEP

        aWyuId.Sh4

        • Path \Users\Admin\AppData\Local\Temp\aWyuId.Sh4
        • Size 1.5MB
        • SHA256 f5e198abce5a306fd621978b027100343a6e54f1d9293d8998e5a901cc4eb69f
        • 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/748-76-0x0000000002210000-0x0000000002395000-memory.dmp

        memory/748-77-0x0000000073F70000-0x00000000740FC000-memory.dmp

        memory/748-80-0x0000000002090000-0x0000000002176000-memory.dmp

        memory/748-81-0x0000000000150000-0x000000000021E000-memory.dmp

        memory/920-88-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/920-87-0x000000000061B000-0x000000000063A000-memory.dmp

        memory/1488-96-0x00000000001E0000-0x0000000000204000-memory.dmp

        memory/1648-100-0x000000000055B000-0x000000000057A000-memory.dmp

        memory/1648-101-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/2000-54-0x0000000075501000-0x0000000075503000-memory.dmp

        memory/2000-59-0x000000000030B000-0x000000000032A000-memory.dmp

        memory/2000-61-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/2000-60-0x0000000000290000-0x00000000002CC000-memory.dmp

        memory/2036-79-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/2036-65-0x000000000028B000-0x00000000002AA000-memory.dmp

        memory/2036-66-0x0000000000400000-0x000000000046F000-memory.dmp

        memory/2036-78-0x000000000028B000-0x00000000002AA000-memory.dmp