Analysis
- max time kernel
110s - max time network
127s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
09/12/2022, 04:32
General
- Target file.exe
- Size 326KB
- Sample221209-e5yzcacd23
- SHA256 1398b06e4f4aa65cfda4870a59d7ad4bb2ab5e651330a3b27ec69b20b547ad70
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 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
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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
-
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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C:\Windows\system32\taskeng.exetaskeng.exe {6A457B77-A692-4830-89F3-E87B731DD73A} 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\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
cred64.dll
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
memory/816-80-0x0000000000190000-0x00000000001B4000-memory.dmp
memory/1128-61-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1128-59-0x000000000062B000-0x000000000064A000-memory.dmp
memory/1128-54-0x0000000076961000-0x0000000076963000-memory.dmp
memory/1128-60-0x0000000000220000-0x000000000025E000-memory.dmp
memory/1716-65-0x000000000051B000-0x000000000053A000-memory.dmp
memory/1716-67-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1716-66-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1904-72-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1904-71-0x000000000063B000-0x000000000065A000-memory.dmp
memory/1920-84-0x000000000055B000-0x000000000057A000-memory.dmp
memory/1920-85-0x0000000000400000-0x000000000046E000-memory.dmp