Analysis
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max time kernel
148s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 14:35
Static task
static1
Behavioral task
behavioral1
Sample
46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe
Resource
win10v2004-20220901-en
General
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Target
46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe
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Size
207KB
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MD5
3aac99a54cfdd924ec513a839b25e03b
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SHA1
0ba641dc2a9feb7d686a8750d33402ef77402918
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SHA256
46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
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SHA512
27ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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SSDEEP
3072:ixjTCc9AiGJlcn5q1Wf1PMaWFYRri6CEDBDY6wTwgdxfcXOWq3APnLRPHc:kTCqAiQlrWf1kXGNBckgHBTQjRP
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 39 3816 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
Processes:
gntuud.exegntuud.exegntuud.exegntuud.exepid process 2576 gntuud.exe 2244 gntuud.exe 2528 gntuud.exe 4128 gntuud.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exegntuud.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.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
Processes:
rundll32.exepid process 3816 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-1-5-21-929662420-1054238289-2961194603-1000\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 4 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 416 4828 WerFault.exe 46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe 2448 2244 WerFault.exe gntuud.exe 1516 2528 WerFault.exe gntuud.exe 1000 4128 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 3816 rundll32.exe 3816 rundll32.exe 3816 rundll32.exe 3816 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exegntuud.exedescription pid process target process PID 4828 wrote to memory of 2576 4828 46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe gntuud.exe PID 4828 wrote to memory of 2576 4828 46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe gntuud.exe PID 4828 wrote to memory of 2576 4828 46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe gntuud.exe PID 2576 wrote to memory of 1756 2576 gntuud.exe schtasks.exe PID 2576 wrote to memory of 1756 2576 gntuud.exe schtasks.exe PID 2576 wrote to memory of 1756 2576 gntuud.exe schtasks.exe PID 2576 wrote to memory of 3816 2576 gntuud.exe rundll32.exe PID 2576 wrote to memory of 3816 2576 gntuud.exe rundll32.exe PID 2576 wrote to memory of 3816 2576 gntuud.exe rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription 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\46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe"C:\Users\Admin\AppData\Local\Temp\46b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4828 -
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:2576 -
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:1756
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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:3816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 11362⤵
- Program crash
PID:416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4828 -ip 48281⤵PID:2892
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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:2244 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 4162⤵
- Program crash
PID:2448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2244 -ip 22441⤵PID:3376
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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:2528 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 4162⤵
- Program crash
PID:1516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2528 -ip 25281⤵PID:856
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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:4128 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 4162⤵
- Program crash
PID:1000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4128 -ip 41281⤵PID:1692
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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Filesize
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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Filesize
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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Filesize
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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Filesize
207KB
MD53aac99a54cfdd924ec513a839b25e03b
SHA10ba641dc2a9feb7d686a8750d33402ef77402918
SHA25646b06cf3946145ad58081131067df324905b03271e8e1a2d215a9eca6feb8e3b
SHA51227ee9716d48542b602ccbcc4fc7896340621bad3acd252e952744b0460e461f5d13721dc0628541cfca7ca926590b139798cd452f3dded22e2454eb015f7148a
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
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Filesize
126KB
MD5adbaf286228c46522e50371c4be31a03
SHA1a29d644c4663b2e2b2bd92046ba0df629537c297
SHA256d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
SHA51274a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d