Analysis
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max time kernel
118s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-08-2024 23:41
Static task
static1
Behavioral task
behavioral1
Sample
b83608d57505af4b96a42b4d3d590e00N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
b83608d57505af4b96a42b4d3d590e00N.exe
Resource
win10v2004-20240802-en
General
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Target
b83608d57505af4b96a42b4d3d590e00N.exe
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Size
106KB
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MD5
b83608d57505af4b96a42b4d3d590e00
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SHA1
42688f6da6033c2a96ef05943158dfd54807ba64
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SHA256
2bb8c08f221668c006ada1625129c7c044a67de4006910254da84ca0de9f1c7c
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SHA512
78f585a417bb7d333487a8516119b0c55097175d4e191e580e2e21d5fce1c3fbb3cbe1e9f615de8cbe93280073f7df25e36f64b1445106ad8b4f155323b7e7b0
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SSDEEP
768:++6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:++mFM2QXtZgi9Iksu+XM57ipeq9JA
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
winver.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\551323CA = "C:\\Users\\Admin\\AppData\\Roaming\\551323CA\\bin.exe" winver.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2416 4948 WerFault.exe winver.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
b83608d57505af4b96a42b4d3d590e00N.exewinver.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b83608d57505af4b96a42b4d3d590e00N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
winver.exepid process 4948 winver.exe 4948 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Explorer.EXEdescription pid process Token: SeShutdownPrivilege 3456 Explorer.EXE Token: SeCreatePagefilePrivilege 3456 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
winver.exepid process 4948 winver.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3456 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
b83608d57505af4b96a42b4d3d590e00N.exewinver.exedescription pid process target process PID 1168 wrote to memory of 4948 1168 b83608d57505af4b96a42b4d3d590e00N.exe winver.exe PID 1168 wrote to memory of 4948 1168 b83608d57505af4b96a42b4d3d590e00N.exe winver.exe PID 1168 wrote to memory of 4948 1168 b83608d57505af4b96a42b4d3d590e00N.exe winver.exe PID 1168 wrote to memory of 4948 1168 b83608d57505af4b96a42b4d3d590e00N.exe winver.exe PID 4948 wrote to memory of 3456 4948 winver.exe Explorer.EXE PID 4948 wrote to memory of 2632 4948 winver.exe sihost.exe
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2632
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3456 -
C:\Users\Admin\AppData\Local\Temp\b83608d57505af4b96a42b4d3d590e00N.exe"C:\Users\Admin\AppData\Local\Temp\b83608d57505af4b96a42b4d3d590e00N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 3524⤵
- Program crash
PID:2416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4948 -ip 49481⤵PID:3768