Analysis
- max time kernel
194s - max time network
257s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
05/12/2022, 17:16
General
- Target file.exe
- Size 332KB
- Sample221205-vs48laaa73
- SHA256 7c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8
Malware Config
Extracted
-
amadey
-
3.50
-
62.204.41.6/p9cWxH/index.php
Extracted
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redline
-
Wish
-
31.41.244.14:4694
-
auth_value
836b5b05c28f01127949ef1e84b93e92
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 5 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 9 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
- Adds Run key to start application 2 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
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C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- 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\99e342142d\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\a091ec0a6e2227\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:\Users\Admin\AppData\Local\Temp\1000012001\wish.exe"C:\Users\Admin\AppData\Local\Temp\1000012001\wish.exe"3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\1000013001\build333333.exe"C:\Users\Admin\AppData\Local\Temp\1000013001\build333333.exe"3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
wish.exe
wish.exe
build333333.exe
gntuud.exe
gntuud.exe
cred64.dll
wish.exe
build333333.exe
build333333.exe
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
memory/108-81-0x00000000003C0000-0x00000000003F2000-memory.dmp
memory/528-69-0x0000000000400000-0x0000000000471000-memory.dmp
memory/528-66-0x0000000000400000-0x0000000000471000-memory.dmp
memory/528-65-0x000000000055B000-0x000000000057A000-memory.dmp
memory/1164-54-0x0000000076931000-0x0000000076933000-memory.dmp
memory/1164-63-0x0000000000400000-0x0000000000471000-memory.dmp
memory/1164-62-0x0000000000290000-0x00000000002CE000-memory.dmp
memory/1164-61-0x000000000030B000-0x000000000032A000-memory.dmp
memory/1164-56-0x0000000000290000-0x00000000002CE000-memory.dmp
memory/1164-55-0x000000000030B000-0x000000000032A000-memory.dmp