Analysis
-
max time kernel
150s -
max time network
148s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
04/12/2022, 14:10
Static task
static1
Behavioral task
behavioral1
Sample
1284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04.exe
Resource
win10-20220901-en
General
-
Target
1284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04.exe
-
Size
380KB
-
MD5
510f83855d1e0b0f19ecf0e1958f015a
-
SHA1
e747bfc6ebcd01044d8d5b0683cff8918f94662a
-
SHA256
1284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04
-
SHA512
98be1625c118981c2ffed06c91a0df1b94e2301424b1f27b53ae1fcd32712503c673e98265d446672dca7b2ec6d7cdc1fdda62b897029b19f7f9955113a5a07d
-
SSDEEP
6144:zFUFiQcvqpeKmq64/JnG8tqRPhVymlgl+2k1OG1PZ:zFUFiQcoeK8gxPtOPhVyWgl+2KOG
Malware Config
Extracted
amadey
3.50
31.41.244.167/v7eWcjs/index.php
Signatures
-
Detect Amadey credential stealer module 3 IoCs
resource yara_rule behavioral1/files/0x000200000001557b-327.dat amadey_cred_module behavioral1/files/0x000200000001557b-328.dat amadey_cred_module behavioral1/files/0x000200000001557b-329.dat amadey_cred_module -
Blocklisted process makes network request 1 IoCs
flow pid Process 8 4832 rundll32.exe -
Downloads MZ/PE file
-
Executes dropped EXE 4 IoCs
pid Process 4540 gntuud.exe 4512 gntuud.exe 4312 gntuud.exe 2400 gntuud.exe -
Loads dropped DLL 2 IoCs
pid Process 4832 rundll32.exe 4832 rundll32.exe -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe -
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.
pid Process 3724 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4832 rundll32.exe 4832 rundll32.exe 4832 rundll32.exe 4832 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4760 wrote to memory of 4540 4760 1284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04.exe 66 PID 4760 wrote to memory of 4540 4760 1284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04.exe 66 PID 4760 wrote to memory of 4540 4760 1284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04.exe 66 PID 4540 wrote to memory of 3724 4540 gntuud.exe 67 PID 4540 wrote to memory of 3724 4540 gntuud.exe 67 PID 4540 wrote to memory of 3724 4540 gntuud.exe 67 PID 4540 wrote to memory of 4832 4540 gntuud.exe 70 PID 4540 wrote to memory of 4832 4540 gntuud.exe 70 PID 4540 wrote to memory of 4832 4540 gntuud.exe 70 -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04.exe"C:\Users\Admin\AppData\Local\Temp\1284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4760 -
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
PID:4540 -
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)
PID:3724
-
-
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
PID:4832
-
-
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:4512
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:4312
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:2400
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
380KB
MD5510f83855d1e0b0f19ecf0e1958f015a
SHA1e747bfc6ebcd01044d8d5b0683cff8918f94662a
SHA2561284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04
SHA51298be1625c118981c2ffed06c91a0df1b94e2301424b1f27b53ae1fcd32712503c673e98265d446672dca7b2ec6d7cdc1fdda62b897029b19f7f9955113a5a07d
-
Filesize
380KB
MD5510f83855d1e0b0f19ecf0e1958f015a
SHA1e747bfc6ebcd01044d8d5b0683cff8918f94662a
SHA2561284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04
SHA51298be1625c118981c2ffed06c91a0df1b94e2301424b1f27b53ae1fcd32712503c673e98265d446672dca7b2ec6d7cdc1fdda62b897029b19f7f9955113a5a07d
-
Filesize
380KB
MD5510f83855d1e0b0f19ecf0e1958f015a
SHA1e747bfc6ebcd01044d8d5b0683cff8918f94662a
SHA2561284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04
SHA51298be1625c118981c2ffed06c91a0df1b94e2301424b1f27b53ae1fcd32712503c673e98265d446672dca7b2ec6d7cdc1fdda62b897029b19f7f9955113a5a07d
-
Filesize
380KB
MD5510f83855d1e0b0f19ecf0e1958f015a
SHA1e747bfc6ebcd01044d8d5b0683cff8918f94662a
SHA2561284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04
SHA51298be1625c118981c2ffed06c91a0df1b94e2301424b1f27b53ae1fcd32712503c673e98265d446672dca7b2ec6d7cdc1fdda62b897029b19f7f9955113a5a07d
-
Filesize
380KB
MD5510f83855d1e0b0f19ecf0e1958f015a
SHA1e747bfc6ebcd01044d8d5b0683cff8918f94662a
SHA2561284201c45b0e44d114c8edd3c0ac453dc51be2a9ef715c9fe20f681bdeaad04
SHA51298be1625c118981c2ffed06c91a0df1b94e2301424b1f27b53ae1fcd32712503c673e98265d446672dca7b2ec6d7cdc1fdda62b897029b19f7f9955113a5a07d
-
Filesize
126KB
MD5aebf8cd9ea982decded5ee6f3777c6d7
SHA1406e723158cd5697503d1d04839d3bc7a5051603
SHA256104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
SHA512f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981
-
Filesize
126KB
MD5aebf8cd9ea982decded5ee6f3777c6d7
SHA1406e723158cd5697503d1d04839d3bc7a5051603
SHA256104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
SHA512f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981
-
Filesize
126KB
MD5aebf8cd9ea982decded5ee6f3777c6d7
SHA1406e723158cd5697503d1d04839d3bc7a5051603
SHA256104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
SHA512f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981