Analysis
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max time kernel
104s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2022 20:43
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
424KB
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MD5
6b01ac6cec9ad9f683ff5397e1ab5ddc
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SHA1
299a8eb8a6bd59b701706a43959e11cf10dfbba0
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SHA256
292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf
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SHA512
c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84
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SSDEEP
6144:td/JZr5YLMGh1j1bKfffREArY4TgvtOMo1AJ5MeAWcoBlCXaVe:tdBZlYQGh1JefffRbxgKSjTcWCX3
Malware Config
Extracted
amadey
3.50
62.204.41.6/p9cWxH/index.php
Signatures
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Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x0005000000022e0f-146.dat amadey_cred_module behavioral2/files/0x0005000000022e0f-147.dat amadey_cred_module -
Blocklisted process makes network request 1 IoCs
flow pid Process 42 916 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 1476 gntuud.exe 564 gntuud.exe 4840 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 916 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
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.
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Program crash 3 IoCs
pid pid_target Process procid_target 3932 2836 WerFault.exe 80 1032 564 WerFault.exe 94 1324 4840 WerFault.exe 98 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3448 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 916 rundll32.exe 916 rundll32.exe 916 rundll32.exe 916 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2836 wrote to memory of 1476 2836 file.exe 81 PID 2836 wrote to memory of 1476 2836 file.exe 81 PID 2836 wrote to memory of 1476 2836 file.exe 81 PID 1476 wrote to memory of 3448 1476 gntuud.exe 84 PID 1476 wrote to memory of 3448 1476 gntuud.exe 84 PID 1476 wrote to memory of 3448 1476 gntuud.exe 84 PID 1476 wrote to memory of 916 1476 gntuud.exe 97 PID 1476 wrote to memory of 916 1476 gntuud.exe 97 PID 1476 wrote to memory of 916 1476 gntuud.exe 97 -
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
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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:2836 -
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1476 -
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)
PID:3448
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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
PID:916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 8882⤵
- Program crash
PID:3932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2836 -ip 28361⤵PID:3372
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C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe1⤵
- Executes dropped EXE
PID:564 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 564 -s 4162⤵
- Program crash
PID:1032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 564 -ip 5641⤵PID:3324
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C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exeC:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe1⤵
- Executes dropped EXE
PID:4840 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 4242⤵
- Program crash
PID:1324
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4840 -ip 48401⤵PID:440
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
424KB
MD56b01ac6cec9ad9f683ff5397e1ab5ddc
SHA1299a8eb8a6bd59b701706a43959e11cf10dfbba0
SHA256292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf
SHA512c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84
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Filesize
424KB
MD56b01ac6cec9ad9f683ff5397e1ab5ddc
SHA1299a8eb8a6bd59b701706a43959e11cf10dfbba0
SHA256292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf
SHA512c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84
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Filesize
424KB
MD56b01ac6cec9ad9f683ff5397e1ab5ddc
SHA1299a8eb8a6bd59b701706a43959e11cf10dfbba0
SHA256292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf
SHA512c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84
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Filesize
424KB
MD56b01ac6cec9ad9f683ff5397e1ab5ddc
SHA1299a8eb8a6bd59b701706a43959e11cf10dfbba0
SHA256292a684446c0aed9029b0ffafdb91a17a8790335467097c3280aa15e1ea299bf
SHA512c11adaa8871b89e3ae286f3aa7529e8a11917cc6ca48168ff060cbf4764187c51886654b84914835039a3a9218be02099ac30cc4f3559f36a43231b29bcecd84
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Filesize
126KB
MD598cc0f811ad5ff43fedc262961002498
SHA137e48635fcef35c0b3db3c1f0c35833899eb53d8
SHA25662d5b300b911a022c5c146ea010769cd0c2fdcc86aba7e5be25aff1f799220be
SHA512d2ae90628acf92c6f7d176a4c866a0b6a6cfcfd722f0aec89cb48afead4318311c3ca95fe6865ac254b601b70ef5f289a35f4b26fba67a4c9b3cc5e68c7bf9c1
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Filesize
126KB
MD598cc0f811ad5ff43fedc262961002498
SHA137e48635fcef35c0b3db3c1f0c35833899eb53d8
SHA25662d5b300b911a022c5c146ea010769cd0c2fdcc86aba7e5be25aff1f799220be
SHA512d2ae90628acf92c6f7d176a4c866a0b6a6cfcfd722f0aec89cb48afead4318311c3ca95fe6865ac254b601b70ef5f289a35f4b26fba67a4c9b3cc5e68c7bf9c1