Analysis
-
max time kernel
128s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27/12/2022, 18:04
Static task
static1
Behavioral task
behavioral1
Sample
[Kimochi] RJ436992.rar
Resource
win7-20220901-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
[Kimochi] RJ436992.rar
Resource
win10v2004-20220812-en
3 signatures
150 seconds
General
-
Target
[Kimochi] RJ436992.rar
-
Size
48.5MB
-
MD5
e9d50c096f7094eb52582735652e8844
-
SHA1
6b32291149b301220b4de48701d09f7220af2b20
-
SHA256
31f8abd2733ec75af654648dd022ce1a4d89512ef3340292d5a84acf64db4280
-
SHA512
01ce96cfb1b29a764fad346f28e32c35e378c99e237982c8e76d698464e67417ebf0b502fa6213e84bd9118e7eea6f17e9c934685e5909dc23273fd30b720c72
-
SSDEEP
786432:buzqzjbvMlaiMfsmiCo14VgED3Pd5jMFOf/jEz4xa6CRPsG4k5C5gzs0Z/xIhv/:bumTMOUmvo14tLDjMEw8s6CRRsS5ZU
Score
3/10
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2476 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\[Kimochi] RJ436992.rar"1⤵
- Modifies registry class
PID:4320
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2476
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2848