Analysis
- max time kernel
104s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
11/10/2022, 08:56
Static task
static1
Behavioral task
behavioral1
Sample
0f00ccd8e20025aea0e0f9fe49a93d4ac51228852aeb5bf4d50557b90fe7c134.exe
Resource
win7-20220901-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
0f00ccd8e20025aea0e0f9fe49a93d4ac51228852aeb5bf4d50557b90fe7c134.exe
Resource
win10v2004-20220901-en
3 signatures
150 seconds
General
- Target 0f00ccd8e20025aea0e0f9fe49a93d4ac51228852aeb5bf4d50557b90fe7c134.exe
- Size 91KB
- Sample221011-kv97hsfbgr
- SHA256 0f00ccd8e20025aea0e0f9fe49a93d4ac51228852aeb5bf4d50557b90fe7c134
- MD5 7c63da12a17748f542ec88a2ea2f90c0
- SHA1 4f8c2056323884b44c261a48b70f2015fbb9f856
- SHA512 5af592fc88b541d5df94eea820072b112d7ffed9003f0021e1f0aaabd35fb14e942fea1957a99e11817fdd647189c83ff914ee3997ee67b4c183cf16fe48fd00
- SSDEEP 768:WeWGCQxs9kGd96NDkSV2bIXzl4CnTDHGsDf8RUFqoD4bDIsFDBnoZ76p6D5Ga34:1WGxs9kGdYk8wO4Cnt8RUyhoZ+Cl
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3740 Winkyk.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\Winkyk.exe 0f00ccd8e20025aea0e0f9fe49a93d4ac51228852aeb5bf4d50557b90fe7c134.exe File opened for modification C:\Windows\SysWOW64\Winkyk.exe Winkyk.exe File created C:\Windows\SysWOW64\Winkyk.exe Winkyk.exe File opened for modification C:\Windows\SysWOW64\Winkyk.exe 0f00ccd8e20025aea0e0f9fe49a93d4ac51228852aeb5bf4d50557b90fe7c134.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeTcbPrivilege 2680 0f00ccd8e20025aea0e0f9fe49a93d4ac51228852aeb5bf4d50557b90fe7c134.exe Token: SeTcbPrivilege 3740 Winkyk.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\0f00ccd8e20025aea0e0f9fe49a93d4ac51228852aeb5bf4d50557b90fe7c134.exe"C:\Users\Admin\AppData\Local\Temp\0f00ccd8e20025aea0e0f9fe49a93d4ac51228852aeb5bf4d50557b90fe7c134.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2680
-
C:\Windows\SysWOW64\Winkyk.exeC:\Windows\SysWOW64\Winkyk.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:3740
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\Winkyk.exe
- Size 88KB
- SHA256 81a1107f6377739d389f8a795965ee7371529285b613b3754b17e3de2b763b6c
- MD5 480e0792fc80295b76385ea4d5c1209c
- SHA1 b7681debcbddc50d376f7f735c1d637924f93e61
- SHA512 f0a6b89eb58a9feff3491b89447f70a60335049e66c322513ba3f35e273cbc443ee46901169a861e1f1b92df6ade0317df0531ce481c1944a8e7375e59b159c6
- SSDEEP 768:WeWGCQxs9kGd96NDkSV2bIXzl4CnTDHGsDf8RUFqoD4bDIsFDBnoXp6D5Ga34:1WGxs9kGdYk8wO4Cnt8RUyhoXCl
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\Winkyk.exe
- Size 88KB
- SHA256 81a1107f6377739d389f8a795965ee7371529285b613b3754b17e3de2b763b6c
- MD5 480e0792fc80295b76385ea4d5c1209c
- SHA1 b7681debcbddc50d376f7f735c1d637924f93e61
- SHA512 f0a6b89eb58a9feff3491b89447f70a60335049e66c322513ba3f35e273cbc443ee46901169a861e1f1b92df6ade0317df0531ce481c1944a8e7375e59b159c6
- SSDEEP 768:WeWGCQxs9kGd96NDkSV2bIXzl4CnTDHGsDf8RUFqoD4bDIsFDBnoXp6D5Ga34:1WGxs9kGdYk8wO4Cnt8RUyhoXCl
- MD5 SHA1 SHA512 SSDEEP