Overview
overview
3Static
static
freebl3.dll
windows7_x64
1freebl3.dll
windows10_x64
1mozglue.dll
windows7_x64
3mozglue.dll
windows10_x64
3msvcp140.dll
windows7_x64
3msvcp140.dll
windows10_x64
3nss3.dll
windows7_x64
1nss3.dll
windows10_x64
3softokn3.dll
windows7_x64
3softokn3.dll
windows10_x64
3sqlite3.dll
windows7_x64
3sqlite3.dll
windows10_x64
3vcruntime140.dll
windows7_x64
3vcruntime140.dll
windows10_x64
3Analysis
-
max time kernel
120s -
max time network
164s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
08-08-2021 19:10
Static task
static1
Behavioral task
behavioral1
Sample
freebl3.dll
Resource
win7v20210408
Behavioral task
behavioral2
Sample
freebl3.dll
Resource
win10v20210410
Behavioral task
behavioral3
Sample
mozglue.dll
Resource
win7v20210408
Behavioral task
behavioral4
Sample
mozglue.dll
Resource
win10v20210410
Behavioral task
behavioral5
Sample
msvcp140.dll
Resource
win7v20210408
Behavioral task
behavioral6
Sample
msvcp140.dll
Resource
win10v20210410
Behavioral task
behavioral7
Sample
nss3.dll
Resource
win7v20210410
Behavioral task
behavioral8
Sample
nss3.dll
Resource
win10v20210408
Behavioral task
behavioral9
Sample
softokn3.dll
Resource
win7v20210410
Behavioral task
behavioral10
Sample
softokn3.dll
Resource
win10v20210408
Behavioral task
behavioral11
Sample
sqlite3.dll
Resource
win7v20210410
Behavioral task
behavioral12
Sample
sqlite3.dll
Resource
win10v20210408
Behavioral task
behavioral13
Sample
vcruntime140.dll
Resource
win7v20210410
Behavioral task
behavioral14
Sample
vcruntime140.dll
Resource
win10v20210410
General
-
Target
msvcp140.dll
-
Size
429KB
-
MD5
109f0f02fd37c84bfc7508d4227d7ed5
-
SHA1
ef7420141bb15ac334d3964082361a460bfdb975
-
SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
-
SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1564 1492 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe 1564 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1564 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1564 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2004 wrote to memory of 1492 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1492 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1492 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1492 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1492 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1492 2004 rundll32.exe rundll32.exe PID 2004 wrote to memory of 1492 2004 rundll32.exe rundll32.exe PID 1492 wrote to memory of 1564 1492 rundll32.exe WerFault.exe PID 1492 wrote to memory of 1564 1492 rundll32.exe WerFault.exe PID 1492 wrote to memory of 1564 1492 rundll32.exe WerFault.exe PID 1492 wrote to memory of 1564 1492 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp140.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp140.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 2243⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1564