Analysis
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max time kernel
139s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
24-08-2023 11:36
Behavioral task
behavioral1
Sample
_abvtsr4_F.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
_abvtsr4_F.exe
Resource
win10v2004-20230703-en
Behavioral task
behavioral3
Sample
_abvtsr4_F.ia.dll
Resource
win7-20230712-en
Behavioral task
behavioral4
Sample
_abvtsr4_F.ia.dll
Resource
win10v2004-20230703-en
Behavioral task
behavioral5
Sample
_abvtsr4_F.mdat.dll
Resource
win7-20230712-en
Behavioral task
behavioral6
Sample
_abvtsr4_F.mdat.dll
Resource
win10v2004-20230703-en
General
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Target
_abvtsr4_F.mdat.dll
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Size
7.5MB
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MD5
bf39eb2da4f28e2197431cd79124a084
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SHA1
f6360561ea18fc25ad59974c068778510f569a38
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SHA256
da9c04a0aca9e409afc8d61a052834878de7d0fc6a58bcfc1feffa3fca77d8d6
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SHA512
788ec679c77f08bf8d52ec48b64003269abde2c075d2dd85958a5c988faf7438cb7371c6eae4ab6e3633647ce2fe9cd2f0707f7a393218d55020ec99ee5d814c
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SSDEEP
98304:5HSrVU6Vx6saXmSZYne3/xJLp+gQqVnscZh51Xa33:5HqUBnscZo
Malware Config
Signatures
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resource yara_rule behavioral6/memory/5028-0-0x0000000074310000-0x0000000074AA1000-memory.dmp themida behavioral6/memory/5028-1-0x0000000074310000-0x0000000074AA1000-memory.dmp themida behavioral6/memory/5028-2-0x0000000074310000-0x0000000074AA1000-memory.dmp themida -
Program crash 1 IoCs
pid pid_target Process procid_target 4704 5028 WerFault.exe 79 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1324 wrote to memory of 5028 1324 rundll32.exe 79 PID 1324 wrote to memory of 5028 1324 rundll32.exe 79 PID 1324 wrote to memory of 5028 1324 rundll32.exe 79
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\_abvtsr4_F.mdat.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\_abvtsr4_F.mdat.dll,#12⤵PID:5028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 7123⤵
- Program crash
PID:4704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5028 -ip 50281⤵PID:1108