Analysis
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max time kernel
144s -
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
05-12-2022 17:17
Static task
static1
Behavioral task
behavioral1
Sample
7c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8.exe
Resource
win10-20220901-en
General
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Target
7c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8.exe
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Size
332KB
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MD5
cb224fa9c997ca170553d96aedc36f5e
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SHA1
40fe73f63ad3eee278f194c321419595f61dad91
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SHA256
7c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8
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SHA512
c70459ade226e1040412d41e20c60c8eaec0a85d3ad77596e5f99ed266db78bcb163232ea7eefbab11c362afc0e1fcb903cc4df2e6bf8e72b8eb64e1a6f62729
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SSDEEP
6144:ZaR9xA3l8Er8vQ4Ifmc6PoJG4iKWzujBNfIDcJbDTVS:ZaR7AVjrmDoZ6PoJGcwDcJbXVS
Malware Config
Extracted
amadey
3.50
62.204.41.6/p9cWxH/index.php
Signatures
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Detect Amadey credential stealer module 3 IoCs
resource yara_rule behavioral1/files/0x000200000001557b-334.dat amadey_cred_module behavioral1/files/0x000200000001557b-335.dat amadey_cred_module behavioral1/files/0x000200000001557b-336.dat amadey_cred_module -
Blocklisted process makes network request 1 IoCs
flow pid Process 7 3464 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 804 gntuud.exe 4596 gntuud.exe 4932 gntuud.exe -
Loads dropped DLL 2 IoCs
pid Process 3464 rundll32.exe 3464 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-1-5-21-2368682536-4045190062-1465778271-1000\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.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4612 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3464 rundll32.exe 3464 rundll32.exe 3464 rundll32.exe 3464 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3500 wrote to memory of 804 3500 7c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8.exe 66 PID 3500 wrote to memory of 804 3500 7c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8.exe 66 PID 3500 wrote to memory of 804 3500 7c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8.exe 66 PID 804 wrote to memory of 4612 804 gntuud.exe 67 PID 804 wrote to memory of 4612 804 gntuud.exe 67 PID 804 wrote to memory of 4612 804 gntuud.exe 67 PID 804 wrote to memory of 3464 804 gntuud.exe 70 PID 804 wrote to memory of 3464 804 gntuud.exe 70 PID 804 wrote to memory of 3464 804 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
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C:\Users\Admin\AppData\Local\Temp\7c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8.exe"C:\Users\Admin\AppData\Local\Temp\7c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3500 -
C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\99e342142d\gntuud.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:804 -
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:4612
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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:3464
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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:4596
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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:4932
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
332KB
MD5cb224fa9c997ca170553d96aedc36f5e
SHA140fe73f63ad3eee278f194c321419595f61dad91
SHA2567c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8
SHA512c70459ade226e1040412d41e20c60c8eaec0a85d3ad77596e5f99ed266db78bcb163232ea7eefbab11c362afc0e1fcb903cc4df2e6bf8e72b8eb64e1a6f62729
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Filesize
332KB
MD5cb224fa9c997ca170553d96aedc36f5e
SHA140fe73f63ad3eee278f194c321419595f61dad91
SHA2567c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8
SHA512c70459ade226e1040412d41e20c60c8eaec0a85d3ad77596e5f99ed266db78bcb163232ea7eefbab11c362afc0e1fcb903cc4df2e6bf8e72b8eb64e1a6f62729
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Filesize
332KB
MD5cb224fa9c997ca170553d96aedc36f5e
SHA140fe73f63ad3eee278f194c321419595f61dad91
SHA2567c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8
SHA512c70459ade226e1040412d41e20c60c8eaec0a85d3ad77596e5f99ed266db78bcb163232ea7eefbab11c362afc0e1fcb903cc4df2e6bf8e72b8eb64e1a6f62729
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Filesize
332KB
MD5cb224fa9c997ca170553d96aedc36f5e
SHA140fe73f63ad3eee278f194c321419595f61dad91
SHA2567c8da0a30496367922885931c4744e8a844dfd1f3cd3333253a92af768e9aba8
SHA512c70459ade226e1040412d41e20c60c8eaec0a85d3ad77596e5f99ed266db78bcb163232ea7eefbab11c362afc0e1fcb903cc4df2e6bf8e72b8eb64e1a6f62729
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Filesize
126KB
MD598cc0f811ad5ff43fedc262961002498
SHA137e48635fcef35c0b3db3c1f0c35833899eb53d8
SHA25662d5b300b911a022c5c146ea010769cd0c2fdcc86aba7e5be25aff1f799220be
SHA512d2ae90628acf92c6f7d176a4c866a0b6a6cfcfd722f0aec89cb48afead4318311c3ca95fe6865ac254b601b70ef5f289a35f4b26fba67a4c9b3cc5e68c7bf9c1
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Filesize
126KB
MD598cc0f811ad5ff43fedc262961002498
SHA137e48635fcef35c0b3db3c1f0c35833899eb53d8
SHA25662d5b300b911a022c5c146ea010769cd0c2fdcc86aba7e5be25aff1f799220be
SHA512d2ae90628acf92c6f7d176a4c866a0b6a6cfcfd722f0aec89cb48afead4318311c3ca95fe6865ac254b601b70ef5f289a35f4b26fba67a4c9b3cc5e68c7bf9c1
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Filesize
126KB
MD598cc0f811ad5ff43fedc262961002498
SHA137e48635fcef35c0b3db3c1f0c35833899eb53d8
SHA25662d5b300b911a022c5c146ea010769cd0c2fdcc86aba7e5be25aff1f799220be
SHA512d2ae90628acf92c6f7d176a4c866a0b6a6cfcfd722f0aec89cb48afead4318311c3ca95fe6865ac254b601b70ef5f289a35f4b26fba67a4c9b3cc5e68c7bf9c1