Analysis

  • max time kernel
    272s
  • max time network
    354s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 10:01

General

  • Target

    file.exe

  • Size

    205KB

  • MD5

    72a850ada8fcec699d6a0303642306f6

  • SHA1

    65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

  • SHA256

    2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

  • SHA512

    5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

  • SSDEEP

    3072:CYM9bmaFPDXbh5exdKjNyTZybzhWSGEVCEKRZMHPjUCkD5KwNCwUNmvpX+snId/V:oJDXj6y3YSzwEsiUCkDEQCEvZnId/

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 6 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 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.

  • 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 19 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:1468
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1768
      • 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:1684
      • 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:1632
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {799BA882-DE73-47CA-9432-547B4C14B39A} S-1-5-21-1214520366-621468234-4062160515-1000:VDWSWJJD\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    205KB

    MD5

    72a850ada8fcec699d6a0303642306f6

    SHA1

    65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

    SHA256

    2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

    SHA512

    5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

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

    205KB

    MD5

    72a850ada8fcec699d6a0303642306f6

    SHA1

    65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

    SHA256

    2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

    SHA512

    5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

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

    205KB

    MD5

    72a850ada8fcec699d6a0303642306f6

    SHA1

    65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

    SHA256

    2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

    SHA512

    5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

  • C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

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

    205KB

    MD5

    72a850ada8fcec699d6a0303642306f6

    SHA1

    65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

    SHA256

    2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

    SHA512

    5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

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

    205KB

    MD5

    72a850ada8fcec699d6a0303642306f6

    SHA1

    65ec94dc7a0c51f2fb2600cb04c7f8fceef03d37

    SHA256

    2a77917f57a08fa5a935003dc71b1f82d13ec9000486006c9dc2e7cc3cb971d4

    SHA512

    5a416f3f15d7a41e32e4aca44d2beba673084b95bf86c90cfef2e9d224cfc8fb9ab7b2a14fc849fed0d3196fe5e7fefb66ef324194d78a5c1b1d75616336bbea

  • \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

  • \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

  • \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

  • \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

  • memory/1468-62-0x0000000000B8B000-0x0000000000BAA000-memory.dmp
    Filesize

    124KB

  • memory/1468-54-0x0000000074E61000-0x0000000074E63000-memory.dmp
    Filesize

    8KB

  • memory/1468-63-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/1468-57-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/1468-55-0x0000000000B8B000-0x0000000000BAA000-memory.dmp
    Filesize

    124KB

  • memory/1468-56-0x00000000002B0000-0x00000000002EE000-memory.dmp
    Filesize

    248KB

  • memory/1632-78-0x0000000000690000-0x00000000006B4000-memory.dmp
    Filesize

    144KB

  • memory/1632-71-0x0000000000000000-mapping.dmp
  • memory/1684-67-0x0000000000000000-mapping.dmp
  • memory/1768-70-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/1768-69-0x0000000000BDB000-0x0000000000BFA000-memory.dmp
    Filesize

    124KB

  • memory/1768-66-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/1768-65-0x0000000000BDB000-0x0000000000BFA000-memory.dmp
    Filesize

    124KB

  • memory/1768-60-0x0000000000000000-mapping.dmp
  • memory/1996-79-0x0000000000000000-mapping.dmp
  • memory/1996-82-0x0000000000C1B000-0x0000000000C3A000-memory.dmp
    Filesize

    124KB

  • memory/1996-83-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB