Overview
overview
3Static
static
(...ng.dll
windows7-x64
1(...ng.dll
windows10-2004-x64
1(...ng.dll
windows7-x64
1(...ng.dll
windows10-2004-x64
1(...ng.dll
windows7-x64
1(...ng.dll
windows10-2004-x64
1(...ng.dll
windows7-x64
1(...ng.dll
windows10-2004-x64
1Index_dll.dll
windows7-x64
3Index_dll.dll
windows10-2004-x64
3Netviewer....es.dll
windows7-x64
1Netviewer....es.dll
windows10-2004-x64
1PFXRsaCertDown.dll
windows7-x64
1PFXRsaCertDown.dll
windows10-2004-x64
1hpmcro32.dll
windows7-x64
1hpmcro32.dll
windows10-2004-x64
1kmtwainlang.dll
windows7-x64
1kmtwainlang.dll
windows10-2004-x64
1kmtwainlang.dll
windows7-x64
1kmtwainlang.dll
windows10-2004-x64
1kmtwainlang.dll
windows7-x64
1kmtwainlang.dll
windows10-2004-x64
1kmtwainlang.dll
windows7-x64
1kmtwainlang.dll
windows10-2004-x64
1kmtwainlang.dll
windows7-x64
1kmtwainlang.dll
windows10-2004-x64
1kmtwainlang.dll
windows7-x64
1kmtwainlang.dll
windows10-2004-x64
1nlwnsck.dll
windows7-x64
1nlwnsck.dll
windows10-2004-x64
1txtonly.dll
windows7-x64
3txtonly.dll
windows10-2004-x64
3Analysis
-
max time kernel
38s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
08-09-2022 06:09
Static task
static1
Behavioral task
behavioral1
Sample
(2040 2135 2635 2540 2235)kmtwainlang.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
(2040 2135 2635 2540 2235)kmtwainlang.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
(2040 2135 2635 2540 2235)kmtwainlang.dll
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
(2040 2135 2635 2540 2235)kmtwainlang.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
(2040 2135 2635 2540 2235)kmtwainlang.dll
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
(2040 2135 2635 2540 2235)kmtwainlang.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral7
Sample
(2040 2135 2635 2540 2235)kmtwainlang.dll
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
(2040 2135 2635 2540 2235)kmtwainlang.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral9
Sample
Index_dll.dll
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
Index_dll.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral11
Sample
Netviewer.resources.dll
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
Netviewer.resources.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral13
Sample
PFXRsaCertDown.dll
Resource
win7-20220901-en
Behavioral task
behavioral14
Sample
PFXRsaCertDown.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral15
Sample
hpmcro32.dll
Resource
win7-20220812-en
Behavioral task
behavioral16
Sample
hpmcro32.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral17
Sample
kmtwainlang.dll
Resource
win7-20220901-en
Behavioral task
behavioral18
Sample
kmtwainlang.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral19
Sample
kmtwainlang.dll
Resource
win7-20220812-en
Behavioral task
behavioral20
Sample
kmtwainlang.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral21
Sample
kmtwainlang.dll
Resource
win7-20220901-en
Behavioral task
behavioral22
Sample
kmtwainlang.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral23
Sample
kmtwainlang.dll
Resource
win7-20220812-en
Behavioral task
behavioral24
Sample
kmtwainlang.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral25
Sample
kmtwainlang.dll
Resource
win7-20220812-en
Behavioral task
behavioral26
Sample
kmtwainlang.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral27
Sample
kmtwainlang.dll
Resource
win7-20220812-en
Behavioral task
behavioral28
Sample
kmtwainlang.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral29
Sample
nlwnsck.dll
Resource
win7-20220901-en
Behavioral task
behavioral30
Sample
nlwnsck.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral31
Sample
txtonly.dll
Resource
win7-20220812-en
Behavioral task
behavioral32
Sample
txtonly.dll
Resource
win10v2004-20220812-en
General
-
Target
txtonly.dll
-
Size
11KB
-
MD5
5bb212389d37da3efb3063fb62d478c5
-
SHA1
db4919984b95e101abab7502910a7994ab849bbe
-
SHA256
cdacd102c721a2b486dbe2c68a61d243772913aa8805275f95ea3451a6ac7dae
-
SHA512
ec10b094f8d11ed6d0c4edd01b798aace665942c54731db9807805c3cdff6b3170e056ae6b9a28fda56677f6b40e5bc43beb7bfdb23a3a4ecfd2da24741ed0c4
-
SSDEEP
48:6GJpXEl9rWm7bLk33jEECm7vWxtlZW8IKL/hll5WGJqlkHk2KJ+fGfGfnfC5upCM:M7BIwtjWxIZlDWxkHAT529PNVE
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1772 1996 WerFault.exe 26 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2004 wrote to memory of 1996 2004 rundll32.exe 26 PID 2004 wrote to memory of 1996 2004 rundll32.exe 26 PID 2004 wrote to memory of 1996 2004 rundll32.exe 26 PID 2004 wrote to memory of 1996 2004 rundll32.exe 26 PID 2004 wrote to memory of 1996 2004 rundll32.exe 26 PID 2004 wrote to memory of 1996 2004 rundll32.exe 26 PID 2004 wrote to memory of 1996 2004 rundll32.exe 26 PID 1996 wrote to memory of 1772 1996 rundll32.exe 27 PID 1996 wrote to memory of 1772 1996 rundll32.exe 27 PID 1996 wrote to memory of 1772 1996 rundll32.exe 27 PID 1996 wrote to memory of 1772 1996 rundll32.exe 27
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\txtonly.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\txtonly.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 2283⤵
- Program crash
PID:1772
-
-