6679da77917ddc1ab75c7f05dee0701d172ff0bfc6a7cd92d4c73a66c877a7d8 | Triage™

Resubmissions

07/09/2020, 06:52

200907-krbxrqrfsx4

02/09/2020, 11:00

200902-a2yalrpl524

Analysis

max time kernel
75s
max time network
112s
platform
windows10_x64
resource
win10v200722
submitted
02/09/2020, 11:00

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General

Target
B3.DLL
Size 567KB
Sample200902-a2yalrpl52
SHA256 6679da77917ddc1ab75c7f05dee0701d172ff0bfc6a7cd92d4c73a66c877a7d8
MD5 06758591f9fede42c56ee311988acc4a
SHA1 d1ed2bd42658512faaacbe8d8230d3b542991654
SHA512 965c4ee025b0a146f4d7f332dc0768fb509389b9317581d97b6b94d003d60cfa9b3afe0dd973962eb5365b325f8a5e4b36482ba90b9dacfe4dfb1a864c05bb85
MD5 SHA1 SHA512

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = fc465d7c2881d601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	572	svchost.exe
Token: SeCreatePagefilePrivilege	572	svchost.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\B3.DLL
1⤵
PID:3888

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:572

Network

MITRE ATT&CK Matrix

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