Overview
overview
7Static
static
3a5bdc87d80...d4.exe
windows7-x64
7a5bdc87d80...d4.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$TEMP/sepulcher.dll
windows7-x64
1$TEMP/sepulcher.dll
windows10-2004-x64
3uninst.exe
windows7-x64
7uninst.exe
windows10-2004-x64
7Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
24/06/2024, 09:09
Static task
static1
Behavioral task
behavioral1
Sample
a5bdc87d809ec95ac5116727b79c3f5c4cdfc89d8a08aee9259d5f124e140dd4.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
a5bdc87d809ec95ac5116727b79c3f5c4cdfc89d8a08aee9259d5f124e140dd4.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240419-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$TEMP/sepulcher.dll
Resource
win7-20240611-en
Behavioral task
behavioral8
Sample
$TEMP/sepulcher.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral9
Sample
uninst.exe
Resource
win7-20240611-en
Behavioral task
behavioral10
Sample
uninst.exe
Resource
win10v2004-20240508-en
General
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Target
$PLUGINSDIR/nsDialogs.dll
-
Size
9KB
-
MD5
b3070cf20db659fdfb3cb2ed38130e8d
-
SHA1
aa234b0620bebddde1414ff6b0840d883890b413
-
SHA256
f2c1409faf2952c1c91f4b5495158ef5c7d1a1db6eea4a18f163574bd52fcad0
-
SHA512
4849a4cf24ea8a26cd04eb132d479cc093d4e204ed3866a77646d03778f4c128e20722a0c3cd62ea98a37deea4ce505fe632420158c71a10b0c8c5e32b38e3f1
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SSDEEP
96:oEqZ4zC5RH3cXX1LlYlRowycxM2DjDf3GEst+Nt+jvDYx40qndYHnxss:oEq+CP3uKrpyREs06YxEdGn
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 288 1852 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2444 wrote to memory of 1852 2444 rundll32.exe 28 PID 2444 wrote to memory of 1852 2444 rundll32.exe 28 PID 2444 wrote to memory of 1852 2444 rundll32.exe 28 PID 2444 wrote to memory of 1852 2444 rundll32.exe 28 PID 2444 wrote to memory of 1852 2444 rundll32.exe 28 PID 2444 wrote to memory of 1852 2444 rundll32.exe 28 PID 2444 wrote to memory of 1852 2444 rundll32.exe 28 PID 1852 wrote to memory of 288 1852 rundll32.exe 29 PID 1852 wrote to memory of 288 1852 rundll32.exe 29 PID 1852 wrote to memory of 288 1852 rundll32.exe 29 PID 1852 wrote to memory of 288 1852 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 2443⤵
- Program crash
PID:288
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