Overview
overview
10Static
static
3QtCore4.dll
windows7-x64
3QtCore4.dll
windows10-2004-x64
3QtGui4.dll
windows7-x64
3QtGui4.dll
windows10-2004-x64
3QtNetwork4.dll
windows7-x64
3QtNetwork4.dll
windows10-2004-x64
3QtWebKit4.dll
windows7-x64
3QtWebKit4.dll
windows10-2004-x64
3ReFB.exe
windows7-x64
10ReFB.exe
windows10-2004-x64
10msvcp100.dll
windows7-x64
3msvcp100.dll
windows10-2004-x64
3msvcr100.dll
windows7-x64
3msvcr100.dll
windows10-2004-x64
3Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-01-2025 03:55
Static task
static1
Behavioral task
behavioral1
Sample
QtCore4.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
QtCore4.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
QtGui4.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
QtGui4.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
QtNetwork4.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
QtNetwork4.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
QtWebKit4.dll
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
QtWebKit4.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
ReFB.exe
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
ReFB.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
msvcp100.dll
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
msvcp100.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
msvcr100.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
msvcr100.dll
Resource
win10v2004-20241007-en
General
-
Target
QtWebKit4.dll
-
Size
12.5MB
-
MD5
df68febc876575329e93938eba19848f
-
SHA1
a96949f2782e70911f33937043ac54e6fe48ca24
-
SHA256
3127cbbf3afaeb191ca918175ad4c6bfbdd68f8ce38ffa06206ba543576e84e2
-
SHA512
f0f6dc90dd640a1f90de77e3c99c8306446bfd79d0c4b4f7119e421efd26137a9fb6607de8a229ed4dd8686fd84a2f042334a7e836db1eeab69f33f232fa3385
-
SSDEEP
98304:YfyKJXPSGJ9opKMT/HSWmgskU9Kbrh0oHCXRm6fch5dEDlxnZTZQFlNNN7wIcQ0U:YKmcpZ3sE/+oHCX828+JxnmtcQ0
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4544 4652 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1816 wrote to memory of 4652 1816 rundll32.exe 82 PID 1816 wrote to memory of 4652 1816 rundll32.exe 82 PID 1816 wrote to memory of 4652 1816 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\QtWebKit4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\QtWebKit4.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4652 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 6563⤵
- Program crash
PID:4544
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4652 -ip 46521⤵PID:3328