Analysis
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max time kernel
189s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 06:20
Static task
static1
Behavioral task
behavioral1
Sample
2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe
Resource
win10v2004-20221111-en
General
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Target
2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe
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Size
206KB
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MD5
19aa4680a02b9757425648dcec653c42
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SHA1
517d0093ff04b203feb8218f31ed9ebb932b3cc8
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SHA256
2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07
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SHA512
43bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077
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SSDEEP
3072:HqOvgpiFl6cB5xYornydoj7+T+/kJa/rmXspbm7l48J5wOxy:9rL6eYoudK+a0aDFKuMq
Malware Config
Extracted
amadey
3.50
31.41.244.17/hfk3vK9/index.php
Signatures
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Detect Amadey credential stealer module 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll amadey_cred_module -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 62 1092 rundll32.exe -
Executes dropped EXE 3 IoCs
Processes:
gntuud.exegntuud.exegntuud.exepid process 3332 gntuud.exe 2604 gntuud.exe 4832 gntuud.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exegntuud.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation gntuud.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 1092 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.
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Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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.
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Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4240 4124 WerFault.exe 2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe 400 2604 WerFault.exe gntuud.exe 3352 4832 WerFault.exe gntuud.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 1092 rundll32.exe 1092 rundll32.exe 1092 rundll32.exe 1092 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exegntuud.exedescription pid process target process PID 4124 wrote to memory of 3332 4124 2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe gntuud.exe PID 4124 wrote to memory of 3332 4124 2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe gntuud.exe PID 4124 wrote to memory of 3332 4124 2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe gntuud.exe PID 3332 wrote to memory of 4920 3332 gntuud.exe schtasks.exe PID 3332 wrote to memory of 4920 3332 gntuud.exe schtasks.exe PID 3332 wrote to memory of 4920 3332 gntuud.exe schtasks.exe PID 3332 wrote to memory of 1092 3332 gntuud.exe rundll32.exe PID 3332 wrote to memory of 1092 3332 gntuud.exe rundll32.exe PID 3332 wrote to memory of 1092 3332 gntuud.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe"C:\Users\Admin\AppData\Local\Temp\2f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3332 -
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:4920
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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
PID:1092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 8762⤵
- Program crash
PID:4240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4124 -ip 41241⤵PID:3576
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:2604 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 4202⤵
- Program crash
PID:400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2604 -ip 26041⤵PID:4712
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:4832 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 4202⤵
- Program crash
PID:3352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4832 -ip 48321⤵PID:1284
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
206KB
MD519aa4680a02b9757425648dcec653c42
SHA1517d0093ff04b203feb8218f31ed9ebb932b3cc8
SHA2562f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07
SHA51243bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077
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Filesize
206KB
MD519aa4680a02b9757425648dcec653c42
SHA1517d0093ff04b203feb8218f31ed9ebb932b3cc8
SHA2562f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07
SHA51243bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077
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Filesize
206KB
MD519aa4680a02b9757425648dcec653c42
SHA1517d0093ff04b203feb8218f31ed9ebb932b3cc8
SHA2562f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07
SHA51243bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077
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Filesize
206KB
MD519aa4680a02b9757425648dcec653c42
SHA1517d0093ff04b203feb8218f31ed9ebb932b3cc8
SHA2562f2495990a1e85576f68b5638a10efcdde9000dc3ab5d80662c1bf2b41064a07
SHA51243bf821af6aa6a26e17380f9e181a0728a78a8a3f33566955ec4cce105479ce544dc5243eef56b8557d087f8187f6298037fc79a8a4fa98caa923e8684074077
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d