Analysis
-
max time kernel
141s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
13/03/2024, 03:44
Static task
static1
Behavioral task
behavioral1
Sample
c4e30adbc0004c8b24f86e36cfff81f7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c4e30adbc0004c8b24f86e36cfff81f7.exe
Resource
win10v2004-20240226-en
General
-
Target
c4e30adbc0004c8b24f86e36cfff81f7.exe
-
Size
13.0MB
-
MD5
c4e30adbc0004c8b24f86e36cfff81f7
-
SHA1
e77b025e8ae17a4c8485929593118423f745423b
-
SHA256
901847a959678fa8c5a673996b31303d6de209e124ad922debe57f019c38fe25
-
SHA512
460e5b118caa460ea144fa9d03bb09aa80085be28d3890dc0c03761a773f15d20e57e9e0a4886ba82fcc3a89d80ad36a44972c60e603d3bf19397ae0a8c5f21f
-
SSDEEP
49152:NQsPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:NQ
Malware Config
Extracted
tofsee
43.231.4.7
lazystax.ru
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ezwsjjsy = "0" svchost.exe -
Creates new service(s) 1 TTPs
-
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2424 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ezwsjjsy\ImagePath = "C:\\Windows\\SysWOW64\\ezwsjjsy\\nlsonwul.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2584 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2068 nlsonwul.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2068 set thread context of 2584 2068 nlsonwul.exe 41 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2104 sc.exe 2664 sc.exe 2528 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1964 wrote to memory of 1768 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 28 PID 1964 wrote to memory of 1768 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 28 PID 1964 wrote to memory of 1768 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 28 PID 1964 wrote to memory of 1768 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 28 PID 1964 wrote to memory of 1908 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 30 PID 1964 wrote to memory of 1908 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 30 PID 1964 wrote to memory of 1908 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 30 PID 1964 wrote to memory of 1908 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 30 PID 1964 wrote to memory of 2104 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 32 PID 1964 wrote to memory of 2104 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 32 PID 1964 wrote to memory of 2104 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 32 PID 1964 wrote to memory of 2104 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 32 PID 1964 wrote to memory of 2664 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 34 PID 1964 wrote to memory of 2664 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 34 PID 1964 wrote to memory of 2664 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 34 PID 1964 wrote to memory of 2664 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 34 PID 1964 wrote to memory of 2528 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 36 PID 1964 wrote to memory of 2528 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 36 PID 1964 wrote to memory of 2528 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 36 PID 1964 wrote to memory of 2528 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 36 PID 1964 wrote to memory of 2424 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 38 PID 1964 wrote to memory of 2424 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 38 PID 1964 wrote to memory of 2424 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 38 PID 1964 wrote to memory of 2424 1964 c4e30adbc0004c8b24f86e36cfff81f7.exe 38 PID 2068 wrote to memory of 2584 2068 nlsonwul.exe 41 PID 2068 wrote to memory of 2584 2068 nlsonwul.exe 41 PID 2068 wrote to memory of 2584 2068 nlsonwul.exe 41 PID 2068 wrote to memory of 2584 2068 nlsonwul.exe 41 PID 2068 wrote to memory of 2584 2068 nlsonwul.exe 41 PID 2068 wrote to memory of 2584 2068 nlsonwul.exe 41
Processes
-
C:\Users\Admin\AppData\Local\Temp\c4e30adbc0004c8b24f86e36cfff81f7.exe"C:\Users\Admin\AppData\Local\Temp\c4e30adbc0004c8b24f86e36cfff81f7.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ezwsjjsy\2⤵PID:1768
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nlsonwul.exe" C:\Windows\SysWOW64\ezwsjjsy\2⤵PID:1908
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ezwsjjsy binPath= "C:\Windows\SysWOW64\ezwsjjsy\nlsonwul.exe /d\"C:\Users\Admin\AppData\Local\Temp\c4e30adbc0004c8b24f86e36cfff81f7.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:2104
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ezwsjjsy "wifi internet conection"2⤵
- Launches sc.exe
PID:2664
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ezwsjjsy2⤵
- Launches sc.exe
PID:2528
-
-
C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
PID:2424
-
-
C:\Windows\SysWOW64\ezwsjjsy\nlsonwul.exeC:\Windows\SysWOW64\ezwsjjsy\nlsonwul.exe /d"C:\Users\Admin\AppData\Local\Temp\c4e30adbc0004c8b24f86e36cfff81f7.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2584
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
14.2MB
MD579e4d24d8728cabc83e1765ff05f86de
SHA1dc375306e7e7f6ea65c07880786322e18a0443c6
SHA25605a7e9d48b9a89d570d9f0a000785be551f7eefd3f15babdc2a5387aad9486d2
SHA512aaece4f61e38be2de2498e05bfc0dd85aebfb029530dda7dadef4c6a15a6957d5d7a135e3ca0b085bd0273380219f2454308bc5c408bd71eb3ea9ccdaa17d470
-
Filesize
3.7MB
MD50546a906f72bf1b11637caa4da9f48d5
SHA1a8b197068200ad072ca9e2ffe7cae035effeb4a9
SHA256b21eb5ab574e6acc03ac86bafb5700324e8acf56e1b93e1241ca8d161af6671a
SHA51275b374c76d6bdeccb7ca214f6382018352c5b79216d75ea695e01d79a70a50799ec60ba5b25558e5cd22e6439b8ae2f4948865fbe611dd195c904ebd296fd1d1