Analysis
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max time kernel
42s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
22-07-2022 16:15
Static task
static1
Behavioral task
behavioral1
Sample
yDF97.tmp.dll
Resource
win7-20220718-en
windows7-x64
4 signatures
150 seconds
General
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Target
yDF97.tmp.dll
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Size
1.2MB
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MD5
80ca8219bc7b0d6d1ad5c24362e50487
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SHA1
267db840b0c45e46320c95e1df05b8f641b2a4d6
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SHA256
af94ea70ed0693bd753648d593bb53ce6a6a6075d8be37b5e09788e50d2189e6
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SHA512
c76a7954fb8817937cbd50d676403977ff6e0d187b442e3d968d18a32cba107114536e55beb61eef4e20181446ce265b62f78aebdab7c6ed9c507c19dbd25040
Malware Config
Signatures
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Detects SVCReady loader 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1760-57-0x0000000010000000-0x0000000010091000-memory.dmp family_svcready -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1328 1760 WerFault.exe regsvr32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
regsvr32.exeregsvr32.exedescription pid process target process PID 1592 wrote to memory of 1760 1592 regsvr32.exe regsvr32.exe PID 1592 wrote to memory of 1760 1592 regsvr32.exe regsvr32.exe PID 1592 wrote to memory of 1760 1592 regsvr32.exe regsvr32.exe PID 1592 wrote to memory of 1760 1592 regsvr32.exe regsvr32.exe PID 1592 wrote to memory of 1760 1592 regsvr32.exe regsvr32.exe PID 1592 wrote to memory of 1760 1592 regsvr32.exe regsvr32.exe PID 1592 wrote to memory of 1760 1592 regsvr32.exe regsvr32.exe PID 1760 wrote to memory of 1328 1760 regsvr32.exe WerFault.exe PID 1760 wrote to memory of 1328 1760 regsvr32.exe WerFault.exe PID 1760 wrote to memory of 1328 1760 regsvr32.exe WerFault.exe PID 1760 wrote to memory of 1328 1760 regsvr32.exe WerFault.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\yDF97.tmp.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\yDF97.tmp.dll2⤵
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 3003⤵
- Program crash
PID:1328
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