Analysis
- max time kernel
143s - max time network
130s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
06/12/2022, 14:30
General
- Target file.exe
- Size 416KB
- Sample221206-rt6ahaac9t
- SHA256 39330e4e7152d37161a2ce45f8b6dcd46168169779c2ee843e59761bda54cee2
Malware Config
Extracted
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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 6 IoCs
- Blocklisted process makes network request 1 IoCs
- Executes dropped EXE 4 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 27 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⤵
- Loads dropped DLL
- 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
- 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\system32\taskeng.exetaskeng.exe {8D7F05AD-6FAC-4127-A698-AC868840285F} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe2⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
memory/792-95-0x00000000005F8000-0x0000000000617000-memory.dmp
memory/792-97-0x00000000005F8000-0x0000000000617000-memory.dmp
memory/792-98-0x0000000000400000-0x000000000046D000-memory.dmp
memory/948-69-0x00000000008E8000-0x0000000000907000-memory.dmp
memory/948-72-0x0000000000400000-0x000000000046D000-memory.dmp
memory/948-71-0x00000000008E8000-0x0000000000907000-memory.dmp
memory/948-70-0x0000000000400000-0x000000000046D000-memory.dmp
memory/948-65-0x00000000008E8000-0x0000000000907000-memory.dmp
memory/1124-89-0x00000000005C8000-0x00000000005E7000-memory.dmp
memory/1124-92-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1124-91-0x00000000005C8000-0x00000000005E7000-memory.dmp
memory/1456-86-0x0000000000180000-0x00000000001A4000-memory.dmp
memory/1636-75-0x00000000005F8000-0x0000000000617000-memory.dmp
memory/1636-78-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1636-77-0x00000000005F8000-0x0000000000617000-memory.dmp
memory/1676-54-0x0000000000578000-0x0000000000597000-memory.dmp
memory/1676-64-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1676-63-0x0000000000578000-0x0000000000597000-memory.dmp
memory/1676-58-0x0000000000400000-0x000000000046D000-memory.dmp
memory/1676-57-0x0000000000220000-0x000000000025E000-memory.dmp
memory/1676-56-0x0000000000578000-0x0000000000597000-memory.dmp
memory/1676-55-0x0000000075E31000-0x0000000075E33000-memory.dmp