Analysis
-
max time kernel
153s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 23:43
Static task
static1
Behavioral task
behavioral1
Sample
989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
-
Target
989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe
-
Size
232KB
-
MD5
022e35ae124670312c7f6b2d20fd8320
-
SHA1
e6f584f5f7c7ffd24ef08f23788c28d81fa88408
-
SHA256
989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e
-
SHA512
0595d6dd853e13c92d565f963fe49ab99f2b6d59a953ace920648d0275ea5f7ec43817a7fcb9efaba457194db69c2131469ea719ccd5e776e3266fdffcb248d0
-
SSDEEP
6144:DgzdKcR4oRTIVlzTE8UPXo8y9kaFyflfoSxt/jMpw5:cdKxnzTcfoSxt/jMpg
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tuawa.exe -
Executes dropped EXE 1 IoCs
pid Process 1444 tuawa.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /t" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /w" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /n" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /l" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /q" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /g" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /x" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /o" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /y" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /m" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /r" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /d" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /k" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /y" 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /v" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /i" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /j" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /s" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /u" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /z" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /f" tuawa.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /c" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /a" tuawa.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /e" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /h" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /p" tuawa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tuawa = "C:\\Users\\Admin\\tuawa.exe /b" tuawa.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum tuawa.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 tuawa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5036 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe 5036 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe 1444 tuawa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5036 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe 1444 tuawa.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5036 wrote to memory of 1444 5036 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe 81 PID 5036 wrote to memory of 1444 5036 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe 81 PID 5036 wrote to memory of 1444 5036 989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe"C:\Users\Admin\AppData\Local\Temp\989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Users\Admin\tuawa.exe"C:\Users\Admin\tuawa.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1444
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4368
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
232KB
MD5022e35ae124670312c7f6b2d20fd8320
SHA1e6f584f5f7c7ffd24ef08f23788c28d81fa88408
SHA256989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e
SHA5120595d6dd853e13c92d565f963fe49ab99f2b6d59a953ace920648d0275ea5f7ec43817a7fcb9efaba457194db69c2131469ea719ccd5e776e3266fdffcb248d0
-
Filesize
232KB
MD5022e35ae124670312c7f6b2d20fd8320
SHA1e6f584f5f7c7ffd24ef08f23788c28d81fa88408
SHA256989d877762744b2bd3af1ff232a72f763231762a46e5e612829dfc758c46e79e
SHA5120595d6dd853e13c92d565f963fe49ab99f2b6d59a953ace920648d0275ea5f7ec43817a7fcb9efaba457194db69c2131469ea719ccd5e776e3266fdffcb248d0