Analysis

  • max time kernel
    138s
  • max time network
    169s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 06:21

General

  • Target

    file.exe

  • Size

    206KB

  • MD5

    19aa4680a02b9757425648dcec653c42

  • SHA1

    517d0093ff04b203feb8218f31ed9ebb932b3cc8

  • SHA256

    2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

  • SHA512

    43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

  • SSDEEP

    3072:HqOvgpiFl6cB5xYornydoj7+T+/kJa/rmXspbm7l48J5wOxy:9rL6eYoudK+a0aDFKuMq

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
  • Downloads MZ/PE file
  • Executes dropped EXE 3 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 23 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:2004
    • 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:672
      • 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:1268
      • 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:2036
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9C608730-7A1C-494D-A188-806006ED18E1} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:284
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1856

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    206KB

    MD5

    19aa4680a02b9757425648dcec653c42

    SHA1

    517d0093ff04b203feb8218f31ed9ebb932b3cc8

    SHA256

    2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

    SHA512

    43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

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

    206KB

    MD5

    19aa4680a02b9757425648dcec653c42

    SHA1

    517d0093ff04b203feb8218f31ed9ebb932b3cc8

    SHA256

    2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

    SHA512

    43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

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

    206KB

    MD5

    19aa4680a02b9757425648dcec653c42

    SHA1

    517d0093ff04b203feb8218f31ed9ebb932b3cc8

    SHA256

    2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

    SHA512

    43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

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

    206KB

    MD5

    19aa4680a02b9757425648dcec653c42

    SHA1

    517d0093ff04b203feb8218f31ed9ebb932b3cc8

    SHA256

    2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

    SHA512

    43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

  • 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

    19aa4680a02b9757425648dcec653c42

    SHA1

    517d0093ff04b203feb8218f31ed9ebb932b3cc8

    SHA256

    2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

    SHA512

    43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

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

    206KB

    MD5

    19aa4680a02b9757425648dcec653c42

    SHA1

    517d0093ff04b203feb8218f31ed9ebb932b3cc8

    SHA256

    2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07

    SHA512

    43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077

  • \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/284-81-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/284-80-0x00000000002CD000-0x00000000002EC000-memory.dmp
    Filesize

    124KB

  • memory/284-77-0x0000000000000000-mapping.dmp
  • memory/672-60-0x0000000000000000-mapping.dmp
  • memory/672-68-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/672-67-0x000000000051D000-0x000000000053C000-memory.dmp
    Filesize

    124KB

  • memory/1268-65-0x0000000000000000-mapping.dmp
  • memory/1856-82-0x0000000000000000-mapping.dmp
  • memory/1856-86-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/1856-85-0x00000000004FD000-0x000000000051C000-memory.dmp
    Filesize

    124KB

  • memory/2004-56-0x0000000000230000-0x000000000026E000-memory.dmp
    Filesize

    248KB

  • memory/2004-63-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/2004-62-0x00000000008ED000-0x000000000090C000-memory.dmp
    Filesize

    124KB

  • memory/2004-54-0x00000000761E1000-0x00000000761E3000-memory.dmp
    Filesize

    8KB

  • memory/2004-57-0x0000000000400000-0x0000000000469000-memory.dmp
    Filesize

    420KB

  • memory/2004-55-0x00000000008ED000-0x000000000090C000-memory.dmp
    Filesize

    124KB

  • memory/2036-76-0x0000000000161000-0x000000000017B000-memory.dmp
    Filesize

    104KB

  • memory/2036-69-0x0000000000000000-mapping.dmp