Analysis
-
max time kernel
119s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2024, 15:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f4b6be5d7fe3b21b724183c3d53e8ea0N.exe
Resource
win7-20240705-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
f4b6be5d7fe3b21b724183c3d53e8ea0N.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
-
Target
f4b6be5d7fe3b21b724183c3d53e8ea0N.exe
-
Size
292KB
-
MD5
f4b6be5d7fe3b21b724183c3d53e8ea0
-
SHA1
75e64f08453ff65eb2e008b501d467e5f06f1072
-
SHA256
be7cfef7dc2da9eebc595cef9490e1cfa85b46dfdc5b1dbf7b6c6b232431eac4
-
SHA512
a3518464499530896fcf3de0b0ee6c614d811767b5beb6efab938548050f10d52d4a036bcbea03208ff9e42ced50d2327d3ce11b8d3bec2b2662c6b7e25c49f7
-
SSDEEP
6144:faczMnqtrZjQCBBvfmge2uXOyDDaX66UEbuGHAceNEFKLrLRKD7ucfnxh4B7yCJo:fajnqtti9K5CooEeOniod
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f4b6be5d7fe3b21b724183c3d53e8ea0N.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" teiuziw.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation f4b6be5d7fe3b21b724183c3d53e8ea0N.exe -
Executes dropped EXE 1 IoCs
pid Process 1236 teiuziw.exe -
Adds Run key to start application 2 TTPs 24 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /h" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /j" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /w" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /o" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /z" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /x" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /y" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /u" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /l" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /p" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /u" f4b6be5d7fe3b21b724183c3d53e8ea0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /c" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /k" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /s" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /g" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /m" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /q" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /a" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /t" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /v" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /e" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /i" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /n" teiuziw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\teiuziw = "C:\\Users\\Admin\\teiuziw.exe /f" teiuziw.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f4b6be5d7fe3b21b724183c3d53e8ea0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language teiuziw.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2228 f4b6be5d7fe3b21b724183c3d53e8ea0N.exe 2228 f4b6be5d7fe3b21b724183c3d53e8ea0N.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe 1236 teiuziw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2228 f4b6be5d7fe3b21b724183c3d53e8ea0N.exe 1236 teiuziw.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2228 wrote to memory of 1236 2228 f4b6be5d7fe3b21b724183c3d53e8ea0N.exe 95 PID 2228 wrote to memory of 1236 2228 f4b6be5d7fe3b21b724183c3d53e8ea0N.exe 95 PID 2228 wrote to memory of 1236 2228 f4b6be5d7fe3b21b724183c3d53e8ea0N.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\f4b6be5d7fe3b21b724183c3d53e8ea0N.exe"C:\Users\Admin\AppData\Local\Temp\f4b6be5d7fe3b21b724183c3d53e8ea0N.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\teiuziw.exe"C:\Users\Admin\teiuziw.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1236
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
292KB
MD599032e30eed37ff2103c66fd555a5888
SHA150117a17409d3c0a574d59fc8f75daebd9e1efb2
SHA256889ae5f854a182c51560f8013da656c01543a65d24a7513d98bdffc23ceda866
SHA512a3e11148ed076c4874332c5023b1d20adc97df5991907aef8ed0eac31dc5614c6b215cc8cf903f6d285d4e493741d78b1623141f0385036bab66de59e9badecb