Resubmissions
25-08-2024 21:54
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240825-wdwtcawekd 6Analysis
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max time kernel
120s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240705-it -
resource tags
arch:x64arch:x86image:win7-20240705-itlocale:it-itos:windows7-x64systemwindows -
submitted
25-08-2024 17:48
Static task
static1
Behavioral task
behavioral1
Sample
File.exe
Resource
win7-20240705-it
Behavioral task
behavioral2
Sample
File.exe
Resource
win10-20240611-it
Behavioral task
behavioral3
Sample
File.exe
Resource
win10v2004-20240802-it
General
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Target
File.exe
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Size
780.0MB
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MD5
4fdc988b81c5abf8eef7f40b65ca39d7
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SHA1
55104a5975aefd3c0bf1018947286aff9e079eed
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SHA256
0517c0966212689dd31096eae261fd6014e495c43d91fa2df72eb989ff3bd00b
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SHA512
24d2186164c8bbc3bd28de17974ae64b68b7c7baef16abdfd18c1a47dc987ffc62c9c7294202cec87564ccb0a6ef5201efa244873cebb4f5d55e979c5853143a
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SSDEEP
196608:mvH83m8Nq9jzrGpdg47mWrB0W//nO6UOO:mkW8QjGwSmWKWnOO
Malware Config
Signatures
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Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 ipinfo.io 6 ipinfo.io 3 api.myip.com 4 api.myip.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
File.exedescription pid process target process PID 1016 set thread context of 2464 1016 File.exe RegAsm.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:
File.exeRegAsm.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language File.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
File.exepid process 1016 File.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
File.exedescription pid process Token: SeDebugPrivilege 1016 File.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
File.exedescription pid process target process PID 1016 wrote to memory of 1204 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 1204 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 1204 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 1204 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 1204 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 1204 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 1204 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe PID 1016 wrote to memory of 2464 1016 File.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\File.exe"C:\Users\Admin\AppData\Local\Temp\File.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:1204
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2464