Analysis

  • max time kernel
    151s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 03:52

General

  • Target

    file.exe

  • Size

    206KB

  • MD5

    99eb0821bf77a45bb19300819ba8712f

  • SHA1

    8a45e7af8b9c5e6bc66068375d783b93fdfa9447

  • SHA256

    209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e

  • SHA512

    c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b

  • SSDEEP

    3072:R0cVsFuzOk14P0j65XRWude3ZnKPUnEp40R/zXy9tAHyQnEnd/G8ZjfSNItdoh:R/s3kGPiua1I+EFR/jGCH2pZjAuo

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 5 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 4 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 27 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:1424
    • 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:616
      • 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:1992
      • 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:1392
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8A0D1CCF-6210-429B-A2BC-0E22698C74A5} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1488
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1188
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    206KB

    MD5

    99eb0821bf77a45bb19300819ba8712f

    SHA1

    8a45e7af8b9c5e6bc66068375d783b93fdfa9447

    SHA256

    209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e

    SHA512

    c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b

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

    Filesize

    206KB

    MD5

    99eb0821bf77a45bb19300819ba8712f

    SHA1

    8a45e7af8b9c5e6bc66068375d783b93fdfa9447

    SHA256

    209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e

    SHA512

    c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b

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

    Filesize

    206KB

    MD5

    99eb0821bf77a45bb19300819ba8712f

    SHA1

    8a45e7af8b9c5e6bc66068375d783b93fdfa9447

    SHA256

    209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e

    SHA512

    c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b

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

    Filesize

    206KB

    MD5

    99eb0821bf77a45bb19300819ba8712f

    SHA1

    8a45e7af8b9c5e6bc66068375d783b93fdfa9447

    SHA256

    209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e

    SHA512

    c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b

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

    Filesize

    206KB

    MD5

    99eb0821bf77a45bb19300819ba8712f

    SHA1

    8a45e7af8b9c5e6bc66068375d783b93fdfa9447

    SHA256

    209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e

    SHA512

    c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b

  • 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

    206KB

    MD5

    99eb0821bf77a45bb19300819ba8712f

    SHA1

    8a45e7af8b9c5e6bc66068375d783b93fdfa9447

    SHA256

    209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e

    SHA512

    c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b

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

    Filesize

    206KB

    MD5

    99eb0821bf77a45bb19300819ba8712f

    SHA1

    8a45e7af8b9c5e6bc66068375d783b93fdfa9447

    SHA256

    209bad4a03d0983d2c52bf41358d97c31d205b42858ce769c660f9720220b08e

    SHA512

    c87a7000117569c04f8b77b6f9aea86279e083b720843814af556871604972b1cb9a94c91e6950bbc9c4fdc679500d4f8e55f7abd1bc2a26cbada78c3375770b

  • \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/616-69-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/616-68-0x0000000000C8B000-0x0000000000CAA000-memory.dmp

    Filesize

    124KB

  • memory/616-64-0x0000000000C8B000-0x0000000000CAA000-memory.dmp

    Filesize

    124KB

  • memory/616-60-0x0000000000000000-mapping.dmp

  • memory/616-65-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/1188-86-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/1188-82-0x0000000000000000-mapping.dmp

  • memory/1392-75-0x0000000000000000-mapping.dmp

  • memory/1424-54-0x0000000076151000-0x0000000076153000-memory.dmp

    Filesize

    8KB

  • memory/1424-57-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/1424-62-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/1424-56-0x0000000000220000-0x000000000025E000-memory.dmp

    Filesize

    248KB

  • memory/1424-55-0x0000000000F6B000-0x0000000000F8A000-memory.dmp

    Filesize

    124KB

  • memory/1488-74-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/1488-73-0x00000000002CB000-0x00000000002EA000-memory.dmp

    Filesize

    124KB

  • memory/1488-70-0x0000000000000000-mapping.dmp

  • memory/1864-87-0x0000000000000000-mapping.dmp

  • memory/1992-66-0x0000000000000000-mapping.dmp