Analysis
- max time kernel
120s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
13/08/2024, 15:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7b012e1bd9d266a05fa0c40f2af03870N.exe
Resource
win7-20240705-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
7b012e1bd9d266a05fa0c40f2af03870N.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
- Target 7b012e1bd9d266a05fa0c40f2af03870N.exe
- Size 53KB
- Sample240813-tap6aasejf
- SHA256 7badae8ffbe7744b6bd59ed554a7dd96a88468fb286f68c2bc1b97728076d4b2
- MD5 7b012e1bd9d266a05fa0c40f2af03870
- SHA1 4a37df944b090b7e29d2e36c56ffb6c720805026
- SHA512 1f1f275380e6e6decddabbec41625d2d462f4c78bce37898a0c1b1d7f2243132defc6a00de8fa6080dd5e80229075d2fd420160b94d1513b28311d8132b1f77a
- SSDEEP 1536:vNmg8r8QsuSaLXtjC9e7Kp3StjEMjmLM3ztDJWZsXy4JzxPMU:4tjC9eJJjmLM3zRJWZsXy4Jd
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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" ruiehi.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 7b012e1bd9d266a05fa0c40f2af03870N.exe - Executes dropped EXE 1 IoCs
pid Process 3336 ruiehi.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ruiehi = "C:\\Users\\Admin\\ruiehi.exe" ruiehi.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 7b012e1bd9d266a05fa0c40f2af03870N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ruiehi.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe 3336 ruiehi.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 428 7b012e1bd9d266a05fa0c40f2af03870N.exe 3336 ruiehi.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 428 wrote to memory of 3336 428 7b012e1bd9d266a05fa0c40f2af03870N.exe 87 PID 428 wrote to memory of 3336 428 7b012e1bd9d266a05fa0c40f2af03870N.exe 87 PID 428 wrote to memory of 3336 428 7b012e1bd9d266a05fa0c40f2af03870N.exe 87 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83 PID 3336 wrote to memory of 428 3336 ruiehi.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\7b012e1bd9d266a05fa0c40f2af03870N.exe"C:\Users\Admin\AppData\Local\Temp\7b012e1bd9d266a05fa0c40f2af03870N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:428 -
C:\Users\Admin\ruiehi.exe"C:\Users\Admin\ruiehi.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
- Suspicious use of WriteProcessMemory
PID:3336
-
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
- Path C:\Users\Admin\ruiehi.exe
- Size 53KB
- SHA256 fdc5986602d7241abd4585dbba3f598b1a22816ca9e477f40ddbc0adfaa4ab17
- MD5 8017a16c657c5ed986a56974205cdbae
- SHA1 eb20d0bf1afddd47f3163bd5041b5a9c8ab3bf0f
- SHA512 b176f7613ae45b4dbd8b0a82e523788aa94060088deb6bea0d87830dc1c87b54187d266954dca5e175cd5b221e784a0276d6f3ff74bf18f0ca26e8096f46a257
- SSDEEP 1536:vN1g8r8Qp85Atd7Kp3StjEMjmLM3ztDJWZsXy4JzxPMk:l85AtdJJjmLM3zRJWZsXy4Jt
- MD5 SHA1 SHA512 SSDEEP