Analysis
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max time kernel
118s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
20-11-2023 16:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
RIRS.dll
Resource
win7-20231020-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
RIRS.dll
Resource
win10v2004-20231020-en
windows10-2004-x64
2 signatures
150 seconds
Behavioral task
behavioral3
Sample
launcher.bat
Resource
win7-20231020-en
windows7-x64
1 signatures
150 seconds
General
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Target
launcher.bat
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Size
58B
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MD5
f627a4b4c2c27385f8f82152aa576808
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SHA1
a8d71fc8958dda6dea7165c46721061bd659da81
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SHA256
4f2b4b4a37ccd633ee482dba7190ef279d53d103cdb14bbf1d0cf3cf60cc2a1f
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SHA512
e9c1a0f88ad85199f63224142c35309fb0a15ae3d696706f8eece9e0026533068351fe8d7f3f9ea928ef590ac71c9bf81f887c70a214d3236271b7e01aba1e2b
Score
1/10
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1880 wrote to memory of 2836 1880 cmd.exe 29 PID 1880 wrote to memory of 2836 1880 cmd.exe 29 PID 1880 wrote to memory of 2836 1880 cmd.exe 29 PID 2836 wrote to memory of 2960 2836 rundll32.exe 30 PID 2836 wrote to memory of 2960 2836 rundll32.exe 30 PID 2836 wrote to memory of 2960 2836 rundll32.exe 30 PID 2836 wrote to memory of 2960 2836 rundll32.exe 30 PID 2836 wrote to memory of 2960 2836 rundll32.exe 30 PID 2836 wrote to memory of 2960 2836 rundll32.exe 30 PID 2836 wrote to memory of 2960 2836 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\launcher.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Windows\system32\rundll32.exerundll32.exe RIRS.dll,Excpt2⤵
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe RIRS.dll,Excpt3⤵PID:2960
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