Analysis
-
max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 20:10
Static task
static1
Behavioral task
behavioral1
Sample
f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
ktvrnf.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
ktvrnf.exe
Resource
win10v2004-20241007-en
General
-
Target
ktvrnf.exe
-
Size
117KB
-
MD5
918b5b3ab8c29f68394eb7017a42aa85
-
SHA1
1a783f39a9ed81412bc018a0d54a116bf9de3277
-
SHA256
b4e506d84bae993428232dd52683753944461f639b7228639be20000563a96e3
-
SHA512
4a50d82e01690f12f6254f31f11db1fe69d40891b84675d4db25b55b90eb58a078ddafbeb125330df7dec31c6d6af752186ba57a05fd9eb5b6592b636885f672
-
SSDEEP
1536:9oMraTSjiYFwlvwVC1TsJ66zafChiCLfgOKRy0Ez4w8/GrZc8oA5YfnsWjcd7on:XjFwlvweI8kaZQvKReHXmfIkn
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1992 2364 WerFault.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 ktvrnf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2364 wrote to memory of 1992 2364 ktvrnf.exe 30 PID 2364 wrote to memory of 1992 2364 ktvrnf.exe 30 PID 2364 wrote to memory of 1992 2364 ktvrnf.exe 30 PID 2364 wrote to memory of 1992 2364 ktvrnf.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\ktvrnf.exe"C:\Users\Admin\AppData\Local\Temp\ktvrnf.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 1762⤵
- Program crash
PID:1992
-