Analysis
- max time kernel
62s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/11/2022, 14:34
Static task
static1
Behavioral task
behavioral1
Sample
a600f55fba54577271ac0ffdfa711866.dll
Resource
win7-20220812-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
a600f55fba54577271ac0ffdfa711866.dll
Resource
win10v2004-20220812-en
5 signatures
150 seconds
General
- Target a600f55fba54577271ac0ffdfa711866.dll
- Size 814KB
- Sample221103-rxft1sdfcr
- SHA256 8c7a616e28f12332ac802e7d746b3fa22899e61beb9109de179a40faebb52078
- MD5 a600f55fba54577271ac0ffdfa711866
- SHA1 f680c5470a152ba3b9ba8b3286489eb6e9c89945
- SHA512 4f0c71594d4b18de668e6fe8f58af4f5747a9ab772441c0e5e58d5e181508fa432ce1493b7684620b7a7225cec25e87bcab251ca82a36d9dace580827591c7f5
- SSDEEP 12288:5sIyzbpudwh9PQx873eHeLs15pZ6yRQaf04Tn/WMideaik:5JyzbwdG4eLsjpZfRQ8/q8fk
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EpfbzQ.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\GPgRoEfpixOCdG\\EpfbzQ.dll\"" regsvr32.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4892 regsvr32.exe 4892 regsvr32.exe 2920 regsvr32.exe 2920 regsvr32.exe 2920 regsvr32.exe 2920 regsvr32.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4892 regsvr32.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4892 wrote to memory of 2920 4892 regsvr32.exe 80 PID 4892 wrote to memory of 2920 4892 regsvr32.exe 80
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\a600f55fba54577271ac0ffdfa711866.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\GPgRoEfpixOCdG\EpfbzQ.dll"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2920
-