Analysis

  • max time kernel
    103s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 08:01

General

  • Target

    file.exe

  • Size

    206KB

  • MD5

    2c7366e9e9fd9d121b26c286369d6a6d

  • SHA1

    85623beeaa7cd26d569632b449fdafb912c07248

  • SHA256

    2a1cee476f33a8e2dacc5a300e8d1d700f4f237b5444567289274990d122f629

  • SHA512

    e2e37a82b72c5441a3dd704bd1f40487f2a0df22640b604d9d51c2b4403ae175ab124f874a3f52d19452df83939ad6cc11d7be1a79f5043fec33bce61b37dd93

  • SSDEEP

    3072:7ZfKw2EUAAnE5Jm6fjGWurX4Ddj2VmpQF0ZjjWVyv+m6NFKum/wEEouoF7FaYxTM:Nm0AOrurX+UZOHK8+mOlBoZF7FhxQ

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
  • 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:1748
    • 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:1372
      • 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:1180
      • 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:1048
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E5F5C3D9-CA49-403D-82D6-61B74D076ECF} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1636

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

    2c7366e9e9fd9d121b26c286369d6a6d

    SHA1

    85623beeaa7cd26d569632b449fdafb912c07248

    SHA256

    2a1cee476f33a8e2dacc5a300e8d1d700f4f237b5444567289274990d122f629

    SHA512

    e2e37a82b72c5441a3dd704bd1f40487f2a0df22640b604d9d51c2b4403ae175ab124f874a3f52d19452df83939ad6cc11d7be1a79f5043fec33bce61b37dd93

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

    206KB

    MD5

    2c7366e9e9fd9d121b26c286369d6a6d

    SHA1

    85623beeaa7cd26d569632b449fdafb912c07248

    SHA256

    2a1cee476f33a8e2dacc5a300e8d1d700f4f237b5444567289274990d122f629

    SHA512

    e2e37a82b72c5441a3dd704bd1f40487f2a0df22640b604d9d51c2b4403ae175ab124f874a3f52d19452df83939ad6cc11d7be1a79f5043fec33bce61b37dd93

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

    206KB

    MD5

    2c7366e9e9fd9d121b26c286369d6a6d

    SHA1

    85623beeaa7cd26d569632b449fdafb912c07248

    SHA256

    2a1cee476f33a8e2dacc5a300e8d1d700f4f237b5444567289274990d122f629

    SHA512

    e2e37a82b72c5441a3dd704bd1f40487f2a0df22640b604d9d51c2b4403ae175ab124f874a3f52d19452df83939ad6cc11d7be1a79f5043fec33bce61b37dd93

  • 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

    2c7366e9e9fd9d121b26c286369d6a6d

    SHA1

    85623beeaa7cd26d569632b449fdafb912c07248

    SHA256

    2a1cee476f33a8e2dacc5a300e8d1d700f4f237b5444567289274990d122f629

    SHA512

    e2e37a82b72c5441a3dd704bd1f40487f2a0df22640b604d9d51c2b4403ae175ab124f874a3f52d19452df83939ad6cc11d7be1a79f5043fec33bce61b37dd93

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

    206KB

    MD5

    2c7366e9e9fd9d121b26c286369d6a6d

    SHA1

    85623beeaa7cd26d569632b449fdafb912c07248

    SHA256

    2a1cee476f33a8e2dacc5a300e8d1d700f4f237b5444567289274990d122f629

    SHA512

    e2e37a82b72c5441a3dd704bd1f40487f2a0df22640b604d9d51c2b4403ae175ab124f874a3f52d19452df83939ad6cc11d7be1a79f5043fec33bce61b37dd93

  • \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/1048-74-0x0000000000100000-0x0000000000124000-memory.dmp
    Filesize

    144KB

  • memory/1048-67-0x0000000000000000-mapping.dmp
  • memory/1180-63-0x0000000000000000-mapping.dmp
  • memory/1372-65-0x000000000052D000-0x000000000054C000-memory.dmp
    Filesize

    124KB

  • memory/1372-66-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/1372-57-0x0000000000000000-mapping.dmp
  • memory/1636-75-0x0000000000000000-mapping.dmp
  • memory/1636-78-0x000000000060D000-0x000000000062C000-memory.dmp
    Filesize

    124KB

  • memory/1636-79-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/1748-54-0x0000000076381000-0x0000000076383000-memory.dmp
    Filesize

    8KB

  • memory/1748-61-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/1748-60-0x0000000000220000-0x000000000025E000-memory.dmp
    Filesize

    248KB

  • memory/1748-59-0x000000000057D000-0x000000000059C000-memory.dmp
    Filesize

    124KB