Analysis
- max time kernel
185s - max time network
177s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
30/11/2022, 23:32
General
- Target file.exe
- Size 244KB
- Sample221130-3ja76aaa2z
- SHA256 b683607df14ae608daf23153c5714922fc1ccf1bd2f298ac7647e98eb59cc2cf
Malware Config
Extracted
-
amadey
-
3.50
-
31.41.244.17/hfk3vK9/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 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\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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-
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C:\Windows\system32\taskeng.exetaskeng.exe {7C1D364A-2E1E-413B-B4A8-7AC5DE2880B2} S-1-5-21-3406023954-474543476-3319432036-1000:VUIIVLGQ\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
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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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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/288-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp
memory/288-59-0x000000000051D000-0x000000000053C000-memory.dmp
memory/288-60-0x00000000002B0000-0x00000000002EE000-memory.dmp
memory/288-61-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1240-66-0x0000000000230000-0x0000000000330000-memory.dmp
memory/1240-69-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1240-68-0x0000000000230000-0x0000000000330000-memory.dmp
memory/1240-67-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1320-85-0x00000000008FD000-0x000000000091C000-memory.dmp
memory/1320-86-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1504-91-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1504-90-0x000000000064D000-0x000000000066C000-memory.dmp
memory/1652-73-0x000000000028D000-0x00000000002AC000-memory.dmp
memory/1652-74-0x0000000000400000-0x0000000000472000-memory.dmp