Analysis

  • max time kernel
    241s
  • max time network
    312s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 08:52

General

  • Target

    file.exe

  • Size

    209KB

  • MD5

    b0b9612e0e15907921198e9a503d70b4

  • SHA1

    a0ff3627a344d2c83a053e0888e15c389080f1dc

  • SHA256

    0cef22764f306811a4ceadfa4f5982e0db586a1d1174b8cae38a0d0848fc559e

  • SHA512

    1aba33d8dce5486bb0bbe67dbaf0de68690b22d5c2e09e6b35153da837a5101d6f8c0ce38716202541d88e2fd657d60108dfc33ff4004a09c89ea8c61855bb9b

  • SSDEEP

    3072:OQRzCHUaBgHkE5Uz69HYvDdRREeRfh17qqk/n5pQcvr4ydTnHfx/:fzPvHEQHepLfhlhk/nUcvrr5

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 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:1044
    • 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:688
      • 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:1768
      • 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:1960
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {DD512D7C-3069-4B81-B413-0488AFBE4F67} S-1-5-21-1214520366-621468234-4062160515-1000:VDWSWJJD\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1640

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

    209KB

    MD5

    b0b9612e0e15907921198e9a503d70b4

    SHA1

    a0ff3627a344d2c83a053e0888e15c389080f1dc

    SHA256

    0cef22764f306811a4ceadfa4f5982e0db586a1d1174b8cae38a0d0848fc559e

    SHA512

    1aba33d8dce5486bb0bbe67dbaf0de68690b22d5c2e09e6b35153da837a5101d6f8c0ce38716202541d88e2fd657d60108dfc33ff4004a09c89ea8c61855bb9b

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

    209KB

    MD5

    b0b9612e0e15907921198e9a503d70b4

    SHA1

    a0ff3627a344d2c83a053e0888e15c389080f1dc

    SHA256

    0cef22764f306811a4ceadfa4f5982e0db586a1d1174b8cae38a0d0848fc559e

    SHA512

    1aba33d8dce5486bb0bbe67dbaf0de68690b22d5c2e09e6b35153da837a5101d6f8c0ce38716202541d88e2fd657d60108dfc33ff4004a09c89ea8c61855bb9b

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

    209KB

    MD5

    b0b9612e0e15907921198e9a503d70b4

    SHA1

    a0ff3627a344d2c83a053e0888e15c389080f1dc

    SHA256

    0cef22764f306811a4ceadfa4f5982e0db586a1d1174b8cae38a0d0848fc559e

    SHA512

    1aba33d8dce5486bb0bbe67dbaf0de68690b22d5c2e09e6b35153da837a5101d6f8c0ce38716202541d88e2fd657d60108dfc33ff4004a09c89ea8c61855bb9b

  • 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

    209KB

    MD5

    b0b9612e0e15907921198e9a503d70b4

    SHA1

    a0ff3627a344d2c83a053e0888e15c389080f1dc

    SHA256

    0cef22764f306811a4ceadfa4f5982e0db586a1d1174b8cae38a0d0848fc559e

    SHA512

    1aba33d8dce5486bb0bbe67dbaf0de68690b22d5c2e09e6b35153da837a5101d6f8c0ce38716202541d88e2fd657d60108dfc33ff4004a09c89ea8c61855bb9b

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

    209KB

    MD5

    b0b9612e0e15907921198e9a503d70b4

    SHA1

    a0ff3627a344d2c83a053e0888e15c389080f1dc

    SHA256

    0cef22764f306811a4ceadfa4f5982e0db586a1d1174b8cae38a0d0848fc559e

    SHA512

    1aba33d8dce5486bb0bbe67dbaf0de68690b22d5c2e09e6b35153da837a5101d6f8c0ce38716202541d88e2fd657d60108dfc33ff4004a09c89ea8c61855bb9b

  • \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/688-64-0x0000000000220000-0x000000000025E000-memory.dmp
    Filesize

    248KB

  • memory/688-65-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/688-57-0x0000000000000000-mapping.dmp
  • memory/688-63-0x000000000055D000-0x000000000057C000-memory.dmp
    Filesize

    124KB

  • memory/688-68-0x000000000055D000-0x000000000057C000-memory.dmp
    Filesize

    124KB

  • memory/688-69-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/1044-62-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/1044-54-0x00000000761F1000-0x00000000761F3000-memory.dmp
    Filesize

    8KB

  • memory/1044-61-0x0000000000220000-0x000000000025E000-memory.dmp
    Filesize

    248KB

  • memory/1044-60-0x00000000005AD000-0x00000000005CC000-memory.dmp
    Filesize

    124KB

  • memory/1640-72-0x0000000000000000-mapping.dmp
  • memory/1640-81-0x000000000030D000-0x000000000032C000-memory.dmp
    Filesize

    124KB

  • memory/1640-82-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/1768-66-0x0000000000000000-mapping.dmp
  • memory/1960-70-0x0000000000000000-mapping.dmp
  • memory/1960-79-0x00000000000B1000-0x00000000000CB000-memory.dmp
    Filesize

    104KB