Overview
overview
7Static
static
3AipSdk.dll
windows7-x64
1AipSdk.dll
windows10-2004-x64
1NPOI.dll
windows7-x64
1NPOI.dll
windows10-2004-x64
1Newtonsoft.Json.dll
windows7-x64
1Newtonsoft.Json.dll
windows10-2004-x64
1PdfiumViewer.dll
windows7-x64
1PdfiumViewer.dll
windows10-2004-x64
1Xceed.Docu...ET.dll
windows7-x64
1Xceed.Docu...ET.dll
windows10-2004-x64
1Xceed.Words.NET.dll
windows7-x64
1Xceed.Words.NET.dll
windows10-2004-x64
1dotNetFx45...up.exe
windows7-x64
7dotNetFx45...up.exe
windows10-2004-x64
7pdfium.dll
windows7-x64
3pdfium.dll
windows10-2004-x64
3Сʶͼv1.7.exe
windows7-x64
1Сʶͼv1.7.exe
windows10-2004-x64
1Analysis
-
max time kernel
132s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27/05/2024, 23:53
Static task
static1
Behavioral task
behavioral1
Sample
AipSdk.dll
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
AipSdk.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
NPOI.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
NPOI.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
Newtonsoft.Json.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
Newtonsoft.Json.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
PdfiumViewer.dll
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
PdfiumViewer.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
Xceed.Document.NET.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
Xceed.Document.NET.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
Xceed.Words.NET.dll
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
Xceed.Words.NET.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
dotNetFx45_Full_setup.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
dotNetFx45_Full_setup.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral15
Sample
pdfium.dll
Resource
win7-20240419-en
Behavioral task
behavioral16
Sample
pdfium.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
Сʶͼv1.7.exe
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
Сʶͼv1.7.exe
Resource
win10v2004-20240508-en
General
-
Target
pdfium.dll
-
Size
13.0MB
-
MD5
79c950394d3b6fc5ea93fbee2e70de2f
-
SHA1
16b229f1f6755c814adaa1ab9352fc9e98f996d2
-
SHA256
8d301086740272454c6a92e3c98426617fa4ed11114989f06913c2127a4a23e2
-
SHA512
7e1952d022ea6f99a1b9e74c0fa1f7ade73276d4e809ab81827174fe80762b90fc900b64e952fad71a47ff58570a0174a1cf0989c9d319d96a0864cc63bee424
-
SSDEEP
393216:zrn43oIXzWXQUgjVDj4RH9tXSZsg8dfeqrJ:zrn43oIXzWXoY0ZsTdf5
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4540 4184 WerFault.exe 83 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4844 wrote to memory of 4184 4844 rundll32.exe 83 PID 4844 wrote to memory of 4184 4844 rundll32.exe 83 PID 4844 wrote to memory of 4184 4844 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\pdfium.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\pdfium.dll,#12⤵PID:4184
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 6283⤵
- Program crash
PID:4540
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4184 -ip 41841⤵PID:1480