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Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
19/12/2024, 00:04
Behavioral task
behavioral1
Sample
b9b2ab4f30ce778a786bf397dc9d5b7f610ee0f8a670aaff2e697ff27ab8eb1cN.dll
Resource
win7-20240729-en
General
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Target
b9b2ab4f30ce778a786bf397dc9d5b7f610ee0f8a670aaff2e697ff27ab8eb1cN.dll
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Size
80KB
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MD5
e990590f2e8cb77c0ca6c8a2a6db9ee0
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SHA1
db60901e2255b174c85f764761560aef25f9d0b3
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SHA256
b9b2ab4f30ce778a786bf397dc9d5b7f610ee0f8a670aaff2e697ff27ab8eb1c
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SHA512
df210441d54e3ec6d2c5bf7f4457840095993af138b7f05640f507bbe41c0991f2c3d89f1267e96420f7d2fc3428c1e4d9d0b8d6c46a402cca856ebed7cfb0d8
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SSDEEP
1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEeWpQW:5dbwovEVyqgoZmZXWfIdQdRaefPrEN
Malware Config
Signatures
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pid Process 2892 arp.exe 2912 arp.exe 2880 arp.exe 2828 arp.exe -
resource yara_rule behavioral1/memory/2680-0-0x0000000010000000-0x0000000010033000-memory.dmp upx behavioral1/memory/2680-2-0x0000000010000000-0x0000000010033000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2804 2680 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language arp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2680 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2716 wrote to memory of 2680 2716 rundll32.exe 30 PID 2716 wrote to memory of 2680 2716 rundll32.exe 30 PID 2716 wrote to memory of 2680 2716 rundll32.exe 30 PID 2716 wrote to memory of 2680 2716 rundll32.exe 30 PID 2716 wrote to memory of 2680 2716 rundll32.exe 30 PID 2716 wrote to memory of 2680 2716 rundll32.exe 30 PID 2716 wrote to memory of 2680 2716 rundll32.exe 30 PID 2680 wrote to memory of 2804 2680 rundll32.exe 31 PID 2680 wrote to memory of 2804 2680 rundll32.exe 31 PID 2680 wrote to memory of 2804 2680 rundll32.exe 31 PID 2680 wrote to memory of 2804 2680 rundll32.exe 31 PID 2680 wrote to memory of 2828 2680 rundll32.exe 32 PID 2680 wrote to memory of 2828 2680 rundll32.exe 32 PID 2680 wrote to memory of 2828 2680 rundll32.exe 32 PID 2680 wrote to memory of 2828 2680 rundll32.exe 32 PID 2680 wrote to memory of 2892 2680 rundll32.exe 34 PID 2680 wrote to memory of 2892 2680 rundll32.exe 34 PID 2680 wrote to memory of 2892 2680 rundll32.exe 34 PID 2680 wrote to memory of 2892 2680 rundll32.exe 34 PID 2680 wrote to memory of 2912 2680 rundll32.exe 35 PID 2680 wrote to memory of 2912 2680 rundll32.exe 35 PID 2680 wrote to memory of 2912 2680 rundll32.exe 35 PID 2680 wrote to memory of 2912 2680 rundll32.exe 35
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b9b2ab4f30ce778a786bf397dc9d5b7f610ee0f8a670aaff2e697ff27ab8eb1cN.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b9b2ab4f30ce778a786bf397dc9d5b7f610ee0f8a670aaff2e697ff27ab8eb1cN.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 3043⤵
- Program crash
PID:2804
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C:\Windows\SysWOW64\arp.exearp -a3⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2828
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C:\Windows\SysWOW64\arp.exearp -s 10.127.0.1 a0-a9-45-de-a9-af3⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2892
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C:\Windows\SysWOW64\arp.exearp -s 10.127.255.255 cc-d2-93-05-f4-833⤵
- Network Service Discovery
- System Location Discovery: System Language Discovery
PID:2912
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C:\Windows\SysWOW64\arp.exearp -s 136.243.76.21 31-b7-b3-c5-df-6a3⤵
- Network Service Discovery
PID:2880
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