Analysis
- max time kernel
149s - max time network
153s - platform
windows10_x64 - resource
win10v200430 - submitted
24/06/2020, 15:05
Static task
static1
Behavioral task
behavioral1
Sample
4b1ad896be5b7e954882fce34bd1072b.exe
Resource
win7v200430
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
4b1ad896be5b7e954882fce34bd1072b.exe
Resource
win10v200430
windows10_x64
0 signatures
0 seconds
General
- Target 4b1ad896be5b7e954882fce34bd1072b.exe
- Size 1.2MB
- Sample200624-tcdvrfewss
- SHA256 1cc899a5fc4a3e7fe1c9d1265b60a4faf51bc1df3e4b25c088979755410fa954
- MD5 4b1ad896be5b7e954882fce34bd1072b
- SHA1 4ecb0c52aac20465e46e46514f0e23a8bfbf83eb
- SHA512 14f107e3c824f039f1ad910363b098232bb73602b7881fdbf68494901becffe28811ff7943a6b5a1ac5b0f2f34cf4040fbe41de520587b83f1b0c398e1a44d8e
- MD5 SHA1 SHA512
Score
7/10
Malware Config
Signatures
- Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\R3f6hzlc\yz7xxhdjrjhnvx.exe wlanext.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious behavior: EnumeratesProcesses 56 IoCs
pid Process 1296 dllhost.exe 1296 dllhost.exe 1296 dllhost.exe 1296 dllhost.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 1064 4b1ad896be5b7e954882fce34bd1072b.exe 1064 4b1ad896be5b7e954882fce34bd1072b.exe 1064 4b1ad896be5b7e954882fce34bd1072b.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1064 wrote to memory of 1296 1064 4b1ad896be5b7e954882fce34bd1072b.exe 68 PID 1064 wrote to memory of 1296 1064 4b1ad896be5b7e954882fce34bd1072b.exe 68 PID 1064 wrote to memory of 1296 1064 4b1ad896be5b7e954882fce34bd1072b.exe 68 PID 1064 wrote to memory of 1296 1064 4b1ad896be5b7e954882fce34bd1072b.exe 68 PID 1064 wrote to memory of 1296 1064 4b1ad896be5b7e954882fce34bd1072b.exe 68 PID 3016 wrote to memory of 1496 3016 Explorer.EXE 69 PID 3016 wrote to memory of 1496 3016 Explorer.EXE 69 PID 3016 wrote to memory of 1496 3016 Explorer.EXE 69 PID 1496 wrote to memory of 1660 1496 wlanext.exe 70 PID 1496 wrote to memory of 1660 1496 wlanext.exe 70 PID 1496 wrote to memory of 1660 1496 wlanext.exe 70 PID 1496 wrote to memory of 3680 1496 wlanext.exe 76 PID 1496 wrote to memory of 3680 1496 wlanext.exe 76 PID 1496 wrote to memory of 3680 1496 wlanext.exe 76 PID 1496 wrote to memory of 3976 1496 wlanext.exe 78 PID 1496 wrote to memory of 3976 1496 wlanext.exe 78 PID 1496 wrote to memory of 3976 1496 wlanext.exe 78 - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1064 set thread context of 1296 1064 4b1ad896be5b7e954882fce34bd1072b.exe 68 PID 1296 set thread context of 3016 1296 dllhost.exe 56 PID 1496 set thread context of 3016 1496 wlanext.exe 56 - Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1296 dllhost.exe Token: SeDebugPrivilege 1496 wlanext.exe Token: SeShutdownPrivilege 3016 Explorer.EXE Token: SeCreatePagefilePrivilege 3016 Explorer.EXE Token: SeShutdownPrivilege 3016 Explorer.EXE Token: SeCreatePagefilePrivilege 3016 Explorer.EXE Token: SeShutdownPrivilege 3016 Explorer.EXE Token: SeCreatePagefilePrivilege 3016 Explorer.EXE Token: SeShutdownPrivilege 3016 Explorer.EXE Token: SeCreatePagefilePrivilege 3016 Explorer.EXE - Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 1296 dllhost.exe 1296 dllhost.exe 1296 dllhost.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe 1496 wlanext.exe - Adds Run entry to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9R9L_RCP = "C:\\Program Files (x86)\\R3f6hzlc\\yz7xxhdjrjhnvx.exe" wlanext.exe Key created \Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run wlanext.exe -
description ioc Process Key created \Registry\User\S-1-5-21-1231583446-2617009595-2137880041-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 wlanext.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1064 4b1ad896be5b7e954882fce34bd1072b.exe 1064 4b1ad896be5b7e954882fce34bd1072b.exe 1064 4b1ad896be5b7e954882fce34bd1072b.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:3016 -
C:\Users\Admin\AppData\Local\Temp\4b1ad896be5b7e954882fce34bd1072b.exe"C:\Users\Admin\AppData\Local\Temp\4b1ad896be5b7e954882fce34bd1072b.exe"2⤵
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
PID:1064 -
C:\Windows\SysWOW64\dllhost.exe"C:\Windows\SysWOW64\dllhost.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: MapViewOfSection
PID:1296
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C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.exe"2⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: MapViewOfSection
- Adds Run entry to start application
- Modifies Internet Explorer settings
PID:1496 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\SysWOW64\dllhost.exe"3⤵PID:1660
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵PID:3680
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:3976
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