Overview
overview
5Static
static
1Samples/firefox.exe
windows7-x64
5Samples/firefox.exe
windows10-2004-x64
1Samples/mozglue.dll
windows7-x64
1Samples/mozglue.dll
windows10-2004-x64
3Samples/msvcp140.dll
windows7-x64
3Samples/msvcp140.dll
windows10-2004-x64
3Samples/vc...40.dll
windows7-x64
1Samples/vc...40.dll
windows10-2004-x64
3Analysis
-
max time kernel
168s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
Samples/firefox.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Samples/firefox.exe
Resource
win10v2004-20230915-en
Behavioral task
behavioral3
Sample
Samples/mozglue.dll
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
Samples/mozglue.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral5
Sample
Samples/msvcp140.dll
Resource
win7-20230831-en
Behavioral task
behavioral6
Sample
Samples/msvcp140.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral7
Sample
Samples/vcruntime140.dll
Resource
win7-20230831-en
Behavioral task
behavioral8
Sample
Samples/vcruntime140.dll
Resource
win10v2004-20230915-en
General
-
Target
Samples/vcruntime140.dll
-
Size
78KB
-
MD5
a37ee36b536409056a86f50e67777dd7
-
SHA1
1cafa159292aa736fc595fc04e16325b27cd6750
-
SHA256
8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825
-
SHA512
3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356
-
SSDEEP
1536:lw2886xv555et/MCsjw0BuRK3jteo3ecbA2W86b+Ld:lw28V55At/zqw+Iq9ecbA2W8H
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4372 4084 WerFault.exe 82 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5056 wrote to memory of 4084 5056 rundll32.exe 82 PID 5056 wrote to memory of 4084 5056 rundll32.exe 82 PID 5056 wrote to memory of 4084 5056 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Samples\vcruntime140.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Samples\vcruntime140.dll,#12⤵PID:4084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 6003⤵
- Program crash
PID:4372
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4084 -ip 40841⤵PID:4260