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Analysis
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max time kernel
140s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
03/02/2024, 02:15
Static task
static1
Behavioral task
behavioral1
Sample
87ba2651770b4731fbdadf9fb849fb0e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
87ba2651770b4731fbdadf9fb849fb0e.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/7za.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/7za.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20231222-en
General
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Target
$PLUGINSDIR/nsExec.dll
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Size
8KB
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MD5
b8be6632a7dc8136ff01338be40fe701
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SHA1
043fa16929b2af5ed5c1c59b4035a10cf765fb43
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SHA256
289786fe13801467653eb2712f47f162d6fd3fc2d844be342282f75fc2b2a085
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SHA512
403474154ff8500e5aae2b4466c652e5d066af2c55d8f158e6f007492ceb1f3abcc6cca80842b90900db02db4258ddcda75dec1d1799af24969c35811891e5b8
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SSDEEP
96:ovkNRhdXhG0CzpC6dsiFam4C026ebZT4MJlWD+RfEqL5Q4hTUVKJx3/:9Nnd9Cz86GVSmua+2qL5Q4h4VSp
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1124 3068 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1700 wrote to memory of 3068 1700 rundll32.exe 28 PID 1700 wrote to memory of 3068 1700 rundll32.exe 28 PID 1700 wrote to memory of 3068 1700 rundll32.exe 28 PID 1700 wrote to memory of 3068 1700 rundll32.exe 28 PID 1700 wrote to memory of 3068 1700 rundll32.exe 28 PID 1700 wrote to memory of 3068 1700 rundll32.exe 28 PID 1700 wrote to memory of 3068 1700 rundll32.exe 28 PID 3068 wrote to memory of 1124 3068 rundll32.exe 29 PID 3068 wrote to memory of 1124 3068 rundll32.exe 29 PID 3068 wrote to memory of 1124 3068 rundll32.exe 29 PID 3068 wrote to memory of 1124 3068 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 2243⤵
- Program crash
PID:1124
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