Analysis
- max time kernel
110s - max time network
144s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
01/12/2022, 16:17
General
- Target file.exe
- Size 244KB
- Sample221201-trdhtafa76
- SHA256 db2653ed3a2c4dce389b0498c7b43b20c18bff72630d4bcf9b79f29257349892
Malware Config
Extracted
-
amadey
-
3.50
-
31.41.244.167/v7eWcjs/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 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
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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
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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" /F3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
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-
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C:\Windows\system32\taskeng.exetaskeng.exe {8A0D1CCF-6210-429B-A2BC-0E22698C74A5} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
memory/616-71-0x0000000000400000-0x0000000000472000-memory.dmp
memory/616-67-0x0000000000400000-0x0000000000472000-memory.dmp
memory/616-66-0x00000000002CB000-0x00000000002EA000-memory.dmp
memory/616-70-0x00000000002CB000-0x00000000002EA000-memory.dmp
memory/972-89-0x0000000000400000-0x0000000000472000-memory.dmp
memory/972-88-0x000000000052B000-0x000000000054A000-memory.dmp
memory/1380-76-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1380-75-0x000000000050B000-0x000000000052A000-memory.dmp
memory/1396-84-0x0000000000131000-0x000000000014B000-memory.dmp
memory/2036-63-0x0000000000230000-0x000000000026E000-memory.dmp
memory/2036-57-0x0000000000400000-0x0000000000472000-memory.dmp
memory/2036-56-0x0000000000230000-0x000000000026E000-memory.dmp
memory/2036-55-0x000000000055B000-0x000000000057A000-memory.dmp
memory/2036-62-0x000000000055B000-0x000000000057A000-memory.dmp
memory/2036-64-0x0000000000400000-0x0000000000472000-memory.dmp
memory/2036-54-0x0000000076151000-0x0000000076153000-memory.dmp