Analysis
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max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
16-08-2022 14:35
Static task
static1
Behavioral task
behavioral1
Sample
yCB76.tmp.dll
Resource
win7-20220812-en
windows7-x64
4 signatures
150 seconds
General
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Target
yCB76.tmp.dll
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Size
1.3MB
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MD5
12d6c20a26b0bf4ccf592f0e49fc45ed
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SHA1
41e9dd41d25b79a786661f6e651d265a79b92f7e
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SHA256
3591ff933e5f635b902114f88c4713ee0f218d7c7fb4852c10212ca356fbe707
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SHA512
2456290bb6080fb18c64ea21cfa7ab5ef33da7b30c1c2a8ec288f5ad9d9fe27b7d028efa8cc221388af57e8ef73b9313cc897e765f341837a90db2cc2ca11553
Malware Config
Signatures
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Detects SVCReady loader 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1456-57-0x0000000010000000-0x0000000010091000-memory.dmp family_svcready -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1552 1456 WerFault.exe regsvr32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
regsvr32.exeregsvr32.exedescription pid process target process PID 1212 wrote to memory of 1456 1212 regsvr32.exe regsvr32.exe PID 1212 wrote to memory of 1456 1212 regsvr32.exe regsvr32.exe PID 1212 wrote to memory of 1456 1212 regsvr32.exe regsvr32.exe PID 1212 wrote to memory of 1456 1212 regsvr32.exe regsvr32.exe PID 1212 wrote to memory of 1456 1212 regsvr32.exe regsvr32.exe PID 1212 wrote to memory of 1456 1212 regsvr32.exe regsvr32.exe PID 1212 wrote to memory of 1456 1212 regsvr32.exe regsvr32.exe PID 1456 wrote to memory of 1552 1456 regsvr32.exe WerFault.exe PID 1456 wrote to memory of 1552 1456 regsvr32.exe WerFault.exe PID 1456 wrote to memory of 1552 1456 regsvr32.exe WerFault.exe PID 1456 wrote to memory of 1552 1456 regsvr32.exe WerFault.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\yCB76.tmp.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\yCB76.tmp.dll2⤵
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 3003⤵
- Program crash
PID:1552
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