Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
14-12-2021 08:15
Static task
static1
Behavioral task
behavioral1
Sample
Oleacc.dll
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
Oleacc.dll
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Size
9.0MB
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MD5
96e5dabb986d4a653ba7382f14e9f4af
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SHA1
2af9c00f61fd821f7dbdbd222e2ca2b1652ecca7
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SHA256
e116a603ceb5d60463f54ad79b31b9a04a21b2c8afea1fb72149db2805a4d4d8
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SHA512
6c37f8890ffe8a89d143e00a0e1368af1a43bd9d42025e185d879f61fe7307bce60c4055eab4da3a00cd1e13f1cb21b5b0548bae48087c960b49c3b7eb529878
Malware Config
Signatures
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Detect Numando Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1688-56-0x0000000002260000-0x0000000002B6F000-memory.dmp family_numando -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 656 1688 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
WerFault.exepid process 656 WerFault.exe 656 WerFault.exe 656 WerFault.exe 656 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 656 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 656 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 844 wrote to memory of 1688 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1688 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1688 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1688 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1688 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1688 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1688 844 rundll32.exe rundll32.exe PID 1688 wrote to memory of 656 1688 rundll32.exe WerFault.exe PID 1688 wrote to memory of 656 1688 rundll32.exe WerFault.exe PID 1688 wrote to memory of 656 1688 rundll32.exe WerFault.exe PID 1688 wrote to memory of 656 1688 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Oleacc.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:844 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Oleacc.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 3003⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:656
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