Analysis
- max time kernel
143s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
09/12/2022, 01:01
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
15 signatures
150 seconds
General
- Target file.exe
- Size 326KB
- Sample221209-bc823aeh6v
- SHA256 196d0616fb958f8b9f10ae79c0560f3074faaf500e25c25c756f396ec2eaee49
- MD5 ffe23ca88494f94e424ef2d8b06b52fa
- SHA1 01074102641bba5356e867de0d257bd8d64ddcb2
- SHA512 8c3575417490882b50808977369b8cae4a1040515b56d0ba49c13b3f2a6039fe986cc6712bd4f1716e5a994d18b972d771b8848ee23e17bbf484a5c527c5decc
- SSDEEP 6144:Tq7XE8FDoONuTXrEZVlBNWi6hzCF2TBpYr0w:Tq7XE8JpFZVlBNWBuF+M0w
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
amadey
Version
-
3.50
C2
-
77.73.133.72/hfk3vK9/index.php
Signatures
- Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x0007000000022e7e-149.dat amadey_cred_module behavioral2/files/0x0007000000022e7e-150.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 48 872 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
pid Process 368 gntuud.exe 4036 gntuud.exe 1972 gntuud.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation gntuud.exe - Loads dropped DLL 1 IoCs
pid Process 872 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-1-5-21-929662420-1054238289-2961194603-1000\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.
- Program crash 3 IoCs
pid pid_target Process procid_target 1876 3404 WerFault.exe 80 5040 4036 WerFault.exe 93 396 1972 WerFault.exe 97 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3148 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 872 rundll32.exe 872 rundll32.exe 872 rundll32.exe 872 rundll32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3404 wrote to memory of 368 3404 file.exe 81 PID 3404 wrote to memory of 368 3404 file.exe 81 PID 3404 wrote to memory of 368 3404 file.exe 81 PID 368 wrote to memory of 3148 368 gntuud.exe 84 PID 368 wrote to memory of 3148 368 gntuud.exe 84 PID 368 wrote to memory of 3148 368 gntuud.exe 84 PID 368 wrote to memory of 872 368 gntuud.exe 96 PID 368 wrote to memory of 872 368 gntuud.exe 96 PID 368 wrote to memory of 872 368 gntuud.exe 96 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3404 -
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:368 -
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)
PID:3148
-
-
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
PID:872
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 11322⤵
- Program crash
PID:1876
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3404 -ip 34041⤵PID:4000
-
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe1⤵
- Executes dropped EXE
PID:4036 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 4322⤵
- Program crash
PID:5040
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4036 -ip 40361⤵PID:2960
-
C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe1⤵
- Executes dropped EXE
PID:1972 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 4162⤵
- Program crash
PID:396
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1972 -ip 19721⤵PID:2296
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
- Size 326KB
- SHA256 196d0616fb958f8b9f10ae79c0560f3074faaf500e25c25c756f396ec2eaee49
- MD5 ffe23ca88494f94e424ef2d8b06b52fa
- SHA1 01074102641bba5356e867de0d257bd8d64ddcb2
- SHA512 8c3575417490882b50808977369b8cae4a1040515b56d0ba49c13b3f2a6039fe986cc6712bd4f1716e5a994d18b972d771b8848ee23e17bbf484a5c527c5decc
- SSDEEP 6144:Tq7XE8FDoONuTXrEZVlBNWi6hzCF2TBpYr0w:Tq7XE8JpFZVlBNWBuF+M0w
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
- Size 326KB
- SHA256 196d0616fb958f8b9f10ae79c0560f3074faaf500e25c25c756f396ec2eaee49
- MD5 ffe23ca88494f94e424ef2d8b06b52fa
- SHA1 01074102641bba5356e867de0d257bd8d64ddcb2
- SHA512 8c3575417490882b50808977369b8cae4a1040515b56d0ba49c13b3f2a6039fe986cc6712bd4f1716e5a994d18b972d771b8848ee23e17bbf484a5c527c5decc
- SSDEEP 6144:Tq7XE8FDoONuTXrEZVlBNWi6hzCF2TBpYr0w:Tq7XE8JpFZVlBNWBuF+M0w
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
- Size 326KB
- SHA256 196d0616fb958f8b9f10ae79c0560f3074faaf500e25c25c756f396ec2eaee49
- MD5 ffe23ca88494f94e424ef2d8b06b52fa
- SHA1 01074102641bba5356e867de0d257bd8d64ddcb2
- SHA512 8c3575417490882b50808977369b8cae4a1040515b56d0ba49c13b3f2a6039fe986cc6712bd4f1716e5a994d18b972d771b8848ee23e17bbf484a5c527c5decc
- SSDEEP 6144:Tq7XE8FDoONuTXrEZVlBNWi6hzCF2TBpYr0w:Tq7XE8JpFZVlBNWBuF+M0w
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
- Size 326KB
- SHA256 196d0616fb958f8b9f10ae79c0560f3074faaf500e25c25c756f396ec2eaee49
- MD5 ffe23ca88494f94e424ef2d8b06b52fa
- SHA1 01074102641bba5356e867de0d257bd8d64ddcb2
- SHA512 8c3575417490882b50808977369b8cae4a1040515b56d0ba49c13b3f2a6039fe986cc6712bd4f1716e5a994d18b972d771b8848ee23e17bbf484a5c527c5decc
- SSDEEP 6144:Tq7XE8FDoONuTXrEZVlBNWi6hzCF2TBpYr0w:Tq7XE8JpFZVlBNWBuF+M0w
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
- Size 126KB
- SHA256 5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0
- MD5 349b2b47fef50fa6a1fc19d0ee4b2db8
- SHA1 077f4328b3f060a9f010b1a63d9e127d24ddafd4
- SHA512 83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773
- SSDEEP 3072:ox7pOYzBekTRmWDWCMq6As523HeS9FAiZ87vO2rlL3RnG9:ox7ZNhTR/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll
- Size 126KB
- SHA256 5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0
- MD5 349b2b47fef50fa6a1fc19d0ee4b2db8
- SHA1 077f4328b3f060a9f010b1a63d9e127d24ddafd4
- SHA512 83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773
- SSDEEP 3072:ox7pOYzBekTRmWDWCMq6As523HeS9FAiZ87vO2rlL3RnG9:ox7ZNhTR/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP