Analysis

  • max time kernel
    152s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 23:33

General

  • Target

    file.exe

  • Size

    227KB

  • MD5

    114b5b705fdfe9aab9c96c95a486e862

  • SHA1

    cc1484deb9151c9947da10d8828b87bc45d078b8

  • SHA256

    c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

  • SHA512

    59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

  • SSDEEP

    3072:kcHEpYUaUKMUK6Vu5xqT+3IvtrVdg815dL9ZwJ5UeCwL6EX/pG7ZrDjh8nRn081x:krrKMUK6z+3IdVy814JxL/BAp2Rn0O5

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 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:1224
    • 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:1256
      • 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:668
      • 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:316
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B5E26C33-B88E-4511-BBDE-E3132F7CCCA2} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1584
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    227KB

    MD5

    114b5b705fdfe9aab9c96c95a486e862

    SHA1

    cc1484deb9151c9947da10d8828b87bc45d078b8

    SHA256

    c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

    SHA512

    59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

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

    Filesize

    227KB

    MD5

    114b5b705fdfe9aab9c96c95a486e862

    SHA1

    cc1484deb9151c9947da10d8828b87bc45d078b8

    SHA256

    c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

    SHA512

    59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

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

    Filesize

    227KB

    MD5

    114b5b705fdfe9aab9c96c95a486e862

    SHA1

    cc1484deb9151c9947da10d8828b87bc45d078b8

    SHA256

    c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

    SHA512

    59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

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

    Filesize

    227KB

    MD5

    114b5b705fdfe9aab9c96c95a486e862

    SHA1

    cc1484deb9151c9947da10d8828b87bc45d078b8

    SHA256

    c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

    SHA512

    59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

  • 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

    227KB

    MD5

    114b5b705fdfe9aab9c96c95a486e862

    SHA1

    cc1484deb9151c9947da10d8828b87bc45d078b8

    SHA256

    c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

    SHA512

    59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

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

    Filesize

    227KB

    MD5

    114b5b705fdfe9aab9c96c95a486e862

    SHA1

    cc1484deb9151c9947da10d8828b87bc45d078b8

    SHA256

    c8a47f40b677fe913a3bc2c13ab9252790f2ca7492e25a55f553bc62a9f6712c

    SHA512

    59373d9952a144679c6b37cc9cdfbe67d1a2623e791d84c8ae3b3ec18be9259d7e1d1c61ecab87933756965bcbceb7f22c27915ff1d3399225ea54295aa20bcd

  • \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/316-68-0x0000000000000000-mapping.dmp

  • memory/316-75-0x0000000000160000-0x0000000000184000-memory.dmp

    Filesize

    144KB

  • memory/668-64-0x0000000000000000-mapping.dmp

  • memory/948-85-0x0000000000400000-0x000000000071A000-memory.dmp

    Filesize

    3.1MB

  • memory/948-84-0x00000000008CB000-0x00000000008EA000-memory.dmp

    Filesize

    124KB

  • memory/948-81-0x0000000000000000-mapping.dmp

  • memory/1224-54-0x0000000075C41000-0x0000000075C43000-memory.dmp

    Filesize

    8KB

  • memory/1224-59-0x000000000083B000-0x000000000085A000-memory.dmp

    Filesize

    124KB

  • memory/1224-58-0x000000000083B000-0x000000000085A000-memory.dmp

    Filesize

    124KB

  • memory/1224-62-0x0000000000400000-0x000000000071A000-memory.dmp

    Filesize

    3.1MB

  • memory/1224-60-0x0000000000230000-0x000000000026E000-memory.dmp

    Filesize

    248KB

  • memory/1256-57-0x0000000000000000-mapping.dmp

  • memory/1256-67-0x0000000000400000-0x000000000071A000-memory.dmp

    Filesize

    3.1MB

  • memory/1256-66-0x000000000081B000-0x000000000083A000-memory.dmp

    Filesize

    124KB

  • memory/1584-76-0x0000000000000000-mapping.dmp

  • memory/1584-79-0x00000000007EB000-0x000000000080A000-memory.dmp

    Filesize

    124KB

  • memory/1584-80-0x0000000000400000-0x000000000071A000-memory.dmp

    Filesize

    3.1MB