Analysis
- max time kernel
134s - max time network
148s - platform
windows7_x64 - resource
win7-20221111-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 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
-
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 {96685C62-F84F-4C1C-8E23-2F4CE9CFBB4F} S-1-5-21-3406023954-474543476-3319432036-1000:VUIIVLGQ\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
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
-
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/660-78-0x0000000000400000-0x000000000046E000-memory.dmp
memory/660-77-0x000000000063A000-0x0000000000659000-memory.dmp
memory/768-70-0x000000000030A000-0x0000000000329000-memory.dmp
memory/768-71-0x0000000000400000-0x000000000046E000-memory.dmp
memory/768-72-0x000000000030A000-0x0000000000329000-memory.dmp
memory/768-73-0x0000000000400000-0x000000000046E000-memory.dmp
memory/972-65-0x000000000030A000-0x0000000000329000-memory.dmp
memory/972-66-0x0000000000400000-0x000000000046E000-memory.dmp
memory/972-56-0x00000000001B0000-0x00000000001EE000-memory.dmp
memory/972-54-0x0000000075D01000-0x0000000075D03000-memory.dmp
memory/972-55-0x000000000030A000-0x0000000000329000-memory.dmp
memory/972-60-0x0000000000400000-0x000000000046E000-memory.dmp
memory/972-59-0x00000000001B0000-0x00000000001EE000-memory.dmp
memory/972-58-0x000000000030A000-0x0000000000329000-memory.dmp
memory/972-57-0x0000000000400000-0x000000000046E000-memory.dmp
memory/976-86-0x0000000000130000-0x0000000000154000-memory.dmp
memory/1888-90-0x000000000055A000-0x0000000000579000-memory.dmp
memory/1888-91-0x0000000000400000-0x000000000046E000-memory.dmp