Analysis
- max time kernel
204s - max time network
210s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/12/2022, 03:32
General
- Target file.exe
- Size 421KB
- Sample221207-d3mb4abf32
- SHA256 0a4174a69b0e01fefc64d10691910cfc94ec7b664701d7ebe2e80a8600d20a0c
Malware Config
Extracted
-
amadey
-
3.50
-
77.73.133.72/hfk3vK9/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 4 IoCs
- Blocklisted process makes network request 1 IoCs
- Executes dropped EXE 2 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 2 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.
- Program crash 2 IoCs
- 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 9 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- 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\ecaac49691\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\f49dfc5e4e2508\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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 9162⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4644 -ip 46441⤵
-
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 4162⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3904 -ip 39041⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
memory/616-153-0x00000000005B0000-0x00000000005D4000-memory.dmp
memory/3904-147-0x000000000050A000-0x0000000000529000-memory.dmp
memory/3904-148-0x0000000000400000-0x000000000046E000-memory.dmp
memory/4212-144-0x0000000000736000-0x0000000000755000-memory.dmp
memory/4212-145-0x0000000000400000-0x000000000046E000-memory.dmp
memory/4212-140-0x0000000000400000-0x000000000046E000-memory.dmp
memory/4212-138-0x0000000000736000-0x0000000000755000-memory.dmp
memory/4212-139-0x00000000005B0000-0x00000000005EE000-memory.dmp
memory/4644-142-0x0000000000747000-0x0000000000766000-memory.dmp
memory/4644-143-0x0000000000400000-0x000000000046E000-memory.dmp
memory/4644-132-0x0000000000747000-0x0000000000766000-memory.dmp
memory/4644-134-0x0000000000400000-0x000000000046E000-memory.dmp
memory/4644-133-0x00000000005D0000-0x000000000060E000-memory.dmp