Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
14-04-2021 02:30
Static task
static1
Behavioral task
behavioral1
Sample
14118.biy.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
14118.biy.dll
-
Size
42KB
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MD5
64ee7574265691eb7636af9de468ce11
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SHA1
66486c4d36d82d0c2eaefe4d6cf170224b1fb1af
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SHA256
df16b3c76350f340988759cc21a78a7cf16831f08e95eb7592b86942859f863a
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SHA512
6a2d2b1c19bfe05af7457d5faf61f1bcaebed1955f3210b62c187a51242f4fd565b479be38e36facbda9ef45d3f80d41e491e550bef027ad33d33e851970de70
Malware Config
Signatures
-
Nloader Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1884-61-0x0000000000140000-0x0000000000145000-memory.dmp nloader -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1072 1884 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1072 WerFault.exe 1072 WerFault.exe 1072 WerFault.exe 1072 WerFault.exe 1072 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1072 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1072 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1748 wrote to memory of 1884 1748 rundll32.exe rundll32.exe PID 1748 wrote to memory of 1884 1748 rundll32.exe rundll32.exe PID 1748 wrote to memory of 1884 1748 rundll32.exe rundll32.exe PID 1748 wrote to memory of 1884 1748 rundll32.exe rundll32.exe PID 1748 wrote to memory of 1884 1748 rundll32.exe rundll32.exe PID 1748 wrote to memory of 1884 1748 rundll32.exe rundll32.exe PID 1748 wrote to memory of 1884 1748 rundll32.exe rundll32.exe PID 1884 wrote to memory of 1072 1884 rundll32.exe WerFault.exe PID 1884 wrote to memory of 1072 1884 rundll32.exe WerFault.exe PID 1884 wrote to memory of 1072 1884 rundll32.exe WerFault.exe PID 1884 wrote to memory of 1072 1884 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\14118.biy.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\14118.biy.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 4323⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1072