Analysis
- max time kernel
122s - max time network
134s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
06/12/2022, 11:11
General
- Target file.exe
- Size 417KB
- Sample221206-m99kmscb79
- SHA256 7fe4df106cfa644d70167441ff7977fce0a5cc7aeeccd566747eb43763658682
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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C:\Windows\system32\taskeng.exetaskeng.exe {B70B6095-4D1A-460F-84D3-CEF1EBA2E106} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\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/276-68-0x0000000000518000-0x0000000000537000-memory.dmp
memory/276-69-0x0000000000400000-0x000000000046D000-memory.dmp
memory/276-70-0x0000000000518000-0x0000000000537000-memory.dmp
memory/276-71-0x0000000000400000-0x000000000046D000-memory.dmp
memory/276-64-0x0000000000518000-0x0000000000537000-memory.dmp
memory/280-84-0x0000000000400000-0x000000000046D000-memory.dmp
memory/280-83-0x00000000002C8000-0x00000000002E7000-memory.dmp
memory/280-81-0x00000000002C8000-0x00000000002E7000-memory.dmp
memory/1468-87-0x0000000000568000-0x0000000000587000-memory.dmp
memory/1468-89-0x0000000000568000-0x0000000000587000-memory.dmp
memory/1468-90-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2032-54-0x0000000000608000-0x0000000000627000-memory.dmp
memory/2032-56-0x0000000000608000-0x0000000000627000-memory.dmp
memory/2032-63-0x0000000000608000-0x0000000000627000-memory.dmp
memory/2032-57-0x0000000000220000-0x000000000025E000-memory.dmp
memory/2032-62-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2032-55-0x0000000076261000-0x0000000076263000-memory.dmp