Analysis
- max time kernel
97s - max time network
134s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
06/12/2022, 04:16
General
- Target file.exe
- Size 332KB
- Sample221206-evta4scd21
- SHA256 ca6d95e7f749f7ab89857bb4d2247a4ff286557a65f1aa63c02564b9e262bec1
Malware Config
Extracted
-
amadey
-
3.50
-
62.204.41.6/p9cWxH/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
- Downloads MZ/PE file
- Executes dropped EXE 2 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 19 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\99e342142d\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
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\99e342142d\gntuud.exe" /F3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
-
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {6E01B6C9-E8FF-476A-A5D9-A82A0D95A4BE} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
memory/556-77-0x000000000028B000-0x00000000002AA000-memory.dmp
memory/556-78-0x0000000000400000-0x0000000000471000-memory.dmp
memory/896-66-0x0000000000400000-0x0000000000471000-memory.dmp
memory/896-65-0x000000000054B000-0x000000000056A000-memory.dmp
memory/1196-55-0x0000000075F21000-0x0000000075F23000-memory.dmp
memory/1196-60-0x00000000003A0000-0x00000000003DE000-memory.dmp
memory/1196-61-0x0000000000400000-0x0000000000471000-memory.dmp