Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 13:50
Behavioral task
behavioral1
Sample
38b30e46b383413eea7cafd9a87b3e9a.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
38b30e46b383413eea7cafd9a87b3e9a.exe
Resource
win10v2004-20231222-en
General
-
Target
38b30e46b383413eea7cafd9a87b3e9a.exe
-
Size
29KB
-
MD5
38b30e46b383413eea7cafd9a87b3e9a
-
SHA1
3b1e44bbaf087db7dd35162b2d58a0f8d91b377b
-
SHA256
9db75c3e599c1f73c42a5b0eeb3bdcf27be8e55da0cdf2d1fddcacc79bdf2756
-
SHA512
9f5d0d2b9afe3a097f2c6379833cb12e758dea19bc5994fe0f3162e61792fc3a64da1bf7328cd299a64bdd237d744fb7962657f7be89c3ad5e9939dce162ce96
-
SSDEEP
768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFF:SKcR4mjD9r823FF
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 4412 CTS.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral2/memory/5052-0-0x00000000003A0000-0x00000000003B7000-memory.dmp upx behavioral2/memory/4412-9-0x0000000000490000-0x00000000004A7000-memory.dmp upx behavioral2/memory/5052-7-0x00000000003A0000-0x00000000003B7000-memory.dmp upx behavioral2/files/0x000a000000023146-6.dat upx behavioral2/memory/4412-33-0x0000000000490000-0x00000000004A7000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" 38b30e46b383413eea7cafd9a87b3e9a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" CTS.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\CTS.exe 38b30e46b383413eea7cafd9a87b3e9a.exe File created C:\Windows\CTS.exe CTS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5052 38b30e46b383413eea7cafd9a87b3e9a.exe Token: SeDebugPrivilege 4412 CTS.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5052 wrote to memory of 4412 5052 38b30e46b383413eea7cafd9a87b3e9a.exe 19 PID 5052 wrote to memory of 4412 5052 38b30e46b383413eea7cafd9a87b3e9a.exe 19 PID 5052 wrote to memory of 4412 5052 38b30e46b383413eea7cafd9a87b3e9a.exe 19
Processes
-
C:\Users\Admin\AppData\Local\Temp\38b30e46b383413eea7cafd9a87b3e9a.exe"C:\Users\Admin\AppData\Local\Temp\38b30e46b383413eea7cafd9a87b3e9a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4412
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD570aa23c9229741a9b52e5ce388a883ac
SHA1b42683e21e13de3f71db26635954d992ebe7119e
SHA2569d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2
SHA512be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5