Analysis
- max time kernel
148s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
27/11/2022, 16:22
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
15 signatures
150 seconds
General
- Target file.exe
- Size 208KB
- Sample221127-tt8rqsbc76
- SHA256 dd0435d64c9b73f519e4635928b4e2ca1b2553c0f2ea5014692f101e2361984e
- MD5 98066e8310c468bb3421bef038084b87
- SHA1 3bfdbb451ea0919e162c2c218a1dcba0ffe6d826
- SHA512 bbb55986c355a618d7ebda3e92a77d654a5dc0fcb5591a1800804e6eefaff0ab11fa3a70f4f641863f71d702f9ca8a8e16b2a2e4dbdd7c8a50bbad2831b80df2
- SSDEEP 3072:rFTeKwqMaXsGiz644iORz5hr2BWia7ucCE6JCOx/AjfacBnzTt1W6mDly5:xeqtX46fiORCBsych6Jz+hzJky5
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
amadey
Version
-
3.50
C2
-
31.41.244.17/hfk3vK9/index.php
Signatures
- Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x000b000000022f66-149.dat amadey_cred_module behavioral2/files/0x000b000000022f66-150.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 36 1680 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 4 IoCs
pid Process 1208 gntuud.exe 1328 gntuud.exe 4596 gntuud.exe 644 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation gntuud.exe Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation file.exe - Loads dropped DLL 1 IoCs
pid Process 1680 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-1-5-21-2891029575-1462575-1165213807-1000\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 4 IoCs
pid pid_target Process procid_target 1616 4772 WerFault.exe 79 1200 1328 WerFault.exe 85 1700 4596 WerFault.exe 97 4204 644 WerFault.exe 100 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4148 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1680 rundll32.exe 1680 rundll32.exe 1680 rundll32.exe 1680 rundll32.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4772 wrote to memory of 1208 4772 file.exe 80 PID 4772 wrote to memory of 1208 4772 file.exe 80 PID 4772 wrote to memory of 1208 4772 file.exe 80 PID 1208 wrote to memory of 4148 1208 gntuud.exe 83 PID 1208 wrote to memory of 4148 1208 gntuud.exe 83 PID 1208 wrote to memory of 4148 1208 gntuud.exe 83 PID 1208 wrote to memory of 1680 1208 gntuud.exe 90 PID 1208 wrote to memory of 1680 1208 gntuud.exe 90 PID 1208 wrote to memory of 1680 1208 gntuud.exe 90 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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:4772 -
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:1208 -
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:4148
-
-
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:1680
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 11402⤵
- Program crash
PID:1616
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4772 -ip 47721⤵PID:3068
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:1328 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 4202⤵
- Program crash
PID:1200
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1328 -ip 13281⤵PID:1296
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:4596 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 4282⤵
- Program crash
PID:1700
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4596 -ip 45961⤵PID:2700
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:644 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 4202⤵
- Program crash
PID:4204
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 644 -ip 6441⤵PID:1684
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 208KB
- SHA256 dd0435d64c9b73f519e4635928b4e2ca1b2553c0f2ea5014692f101e2361984e
- MD5 98066e8310c468bb3421bef038084b87
- SHA1 3bfdbb451ea0919e162c2c218a1dcba0ffe6d826
- SHA512 bbb55986c355a618d7ebda3e92a77d654a5dc0fcb5591a1800804e6eefaff0ab11fa3a70f4f641863f71d702f9ca8a8e16b2a2e4dbdd7c8a50bbad2831b80df2
- SSDEEP 3072:rFTeKwqMaXsGiz644iORz5hr2BWia7ucCE6JCOx/AjfacBnzTt1W6mDly5:xeqtX46fiORCBsych6Jz+hzJky5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 208KB
- SHA256 dd0435d64c9b73f519e4635928b4e2ca1b2553c0f2ea5014692f101e2361984e
- MD5 98066e8310c468bb3421bef038084b87
- SHA1 3bfdbb451ea0919e162c2c218a1dcba0ffe6d826
- SHA512 bbb55986c355a618d7ebda3e92a77d654a5dc0fcb5591a1800804e6eefaff0ab11fa3a70f4f641863f71d702f9ca8a8e16b2a2e4dbdd7c8a50bbad2831b80df2
- SSDEEP 3072:rFTeKwqMaXsGiz644iORz5hr2BWia7ucCE6JCOx/AjfacBnzTt1W6mDly5:xeqtX46fiORCBsych6Jz+hzJky5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 208KB
- SHA256 dd0435d64c9b73f519e4635928b4e2ca1b2553c0f2ea5014692f101e2361984e
- MD5 98066e8310c468bb3421bef038084b87
- SHA1 3bfdbb451ea0919e162c2c218a1dcba0ffe6d826
- SHA512 bbb55986c355a618d7ebda3e92a77d654a5dc0fcb5591a1800804e6eefaff0ab11fa3a70f4f641863f71d702f9ca8a8e16b2a2e4dbdd7c8a50bbad2831b80df2
- SSDEEP 3072:rFTeKwqMaXsGiz644iORz5hr2BWia7ucCE6JCOx/AjfacBnzTt1W6mDly5:xeqtX46fiORCBsych6Jz+hzJky5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 208KB
- SHA256 dd0435d64c9b73f519e4635928b4e2ca1b2553c0f2ea5014692f101e2361984e
- MD5 98066e8310c468bb3421bef038084b87
- SHA1 3bfdbb451ea0919e162c2c218a1dcba0ffe6d826
- SHA512 bbb55986c355a618d7ebda3e92a77d654a5dc0fcb5591a1800804e6eefaff0ab11fa3a70f4f641863f71d702f9ca8a8e16b2a2e4dbdd7c8a50bbad2831b80df2
- SSDEEP 3072:rFTeKwqMaXsGiz644iORz5hr2BWia7ucCE6JCOx/AjfacBnzTt1W6mDly5:xeqtX46fiORCBsych6Jz+hzJky5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 208KB
- SHA256 dd0435d64c9b73f519e4635928b4e2ca1b2553c0f2ea5014692f101e2361984e
- MD5 98066e8310c468bb3421bef038084b87
- SHA1 3bfdbb451ea0919e162c2c218a1dcba0ffe6d826
- SHA512 bbb55986c355a618d7ebda3e92a77d654a5dc0fcb5591a1800804e6eefaff0ab11fa3a70f4f641863f71d702f9ca8a8e16b2a2e4dbdd7c8a50bbad2831b80df2
- SSDEEP 3072:rFTeKwqMaXsGiz644iORz5hr2BWia7ucCE6JCOx/AjfacBnzTt1W6mDly5:xeqtX46fiORCBsych6Jz+hzJky5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
- Size 126KB
- SHA256 d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
- MD5 adbaf286228c46522e50371c4be31a03
- SHA1 a29d644c4663b2e2b2bd92046ba0df629537c297
- SHA512 74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
- SSDEEP 3072:ox7pOYzBekBmWDWCMq6As523HeS9FAiZ87vO2rlL3Rnm9:ox7ZNhB/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
- Size 126KB
- SHA256 d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0
- MD5 adbaf286228c46522e50371c4be31a03
- SHA1 a29d644c4663b2e2b2bd92046ba0df629537c297
- SHA512 74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d
- SSDEEP 3072:ox7pOYzBekBmWDWCMq6As523HeS9FAiZ87vO2rlL3Rnm9:ox7ZNhB/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP