Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-11-2024 19:54
Static task
static1
Behavioral task
behavioral1
Sample
package delivery failed.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
package delivery failed.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/srrk.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/srrk.dll
Resource
win10v2004-20241007-en
General
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Target
$PLUGINSDIR/srrk.dll
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Size
99KB
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MD5
a3caa7e8895fb8eccc4cfc84c2f37283
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SHA1
0c10231f8b45a1f6d9037fab396310a35fc572c5
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SHA256
7b153187b30e47fda2f39d2621c04dded4e6776fabbebf5cc6a6a157a8324c02
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SHA512
b96bdf0909a777ff559d31ac0600a5bbf90fcfa322232b4818ee275a2fda7638c4d06cb493f746a79e30367400ce2d252c46918e3dfbed851be81d1399b42c16
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SSDEEP
1536:3pnXZ18vqXVzM4Ne15d1/LcIbUfsjsQ1uUYdYcj8Z:3pXZOIzM40FXV1WfjM
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 844 2060 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4316 wrote to memory of 2060 4316 rundll32.exe 83 PID 4316 wrote to memory of 2060 4316 rundll32.exe 83 PID 4316 wrote to memory of 2060 4316 rundll32.exe 83 PID 2060 wrote to memory of 2492 2060 rundll32.exe 84 PID 2060 wrote to memory of 2492 2060 rundll32.exe 84 PID 2060 wrote to memory of 2492 2060 rundll32.exe 84 PID 2060 wrote to memory of 2492 2060 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\srrk.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\srrk.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\srrk.dll,#13⤵PID:2492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 7723⤵
- Program crash
PID:844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2060 -ip 20601⤵PID:2932