Analysis
- max time kernel
107s - max time network
135s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
02/12/2022, 09:28
General
- Target file.exe
- Size 388KB
- Sample221202-lfc4xada97
- SHA256 3140a26ef9d371bece3495df60aebd853f1d31ae818bf27ba2ba1c23baa7431e
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 6 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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C:\Windows\system32\taskeng.exetaskeng.exe {91CFADDB-1675-4288-A1FA-B3C8A098C814} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\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
-
-
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/852-55-0x00000000005EA000-0x0000000000608000-memory.dmp
memory/852-63-0x0000000000400000-0x0000000000466000-memory.dmp
memory/852-56-0x0000000000220000-0x000000000025E000-memory.dmp
memory/852-62-0x00000000005EA000-0x0000000000608000-memory.dmp
memory/852-57-0x0000000000400000-0x0000000000466000-memory.dmp
memory/852-54-0x0000000074E41000-0x0000000074E43000-memory.dmp
memory/900-68-0x0000000000400000-0x0000000000466000-memory.dmp
memory/900-69-0x0000000000400000-0x0000000000466000-memory.dmp
memory/900-67-0x000000000058A000-0x00000000005A8000-memory.dmp
memory/1392-86-0x000000000064A000-0x0000000000668000-memory.dmp
memory/1392-87-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1772-82-0x00000000001C0000-0x00000000001E4000-memory.dmp
memory/1880-74-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1880-73-0x000000000056A000-0x0000000000588000-memory.dmp