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Analysis
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max time kernel
38s -
max time network
39s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08/09/2024, 08:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Solara.exe
Resource
win10v2004-20240802-en
4 signatures
150 seconds
General
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Target
Solara.exe
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Size
312KB
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MD5
40809fc9a695858ca8fc1e4e92291a3d
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SHA1
b0c3d2f03eeb0dfd1e9edf6a65f18f2cfae384e7
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SHA256
bcbe46763e12a561e5f98f9e5ef46542004516a544ee42729ff08914d127ef44
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SHA512
d3ae7f66fd9279eb36c3998d203309da75a9b26ba657abfc19dc4803c893f364bb625b3f6be1a592a55388c48122b65abe734c3cdafcf28fcf27fc665b4143e5
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SSDEEP
6144:+3PliLVaU97aDXfHUuBZZBmkP5Uv660LwG871csSaC1Bt+edY3aq:+fliLkW7wf06BxRUinLS71VSRBAed
Score
5/10
Malware Config
Signatures
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1284 set thread context of 2644 1284 Solara.exe 89 -
Program crash 1 IoCs
pid pid_target Process procid_target 2184 2644 WerFault.exe 89 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Solara.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1284 wrote to memory of 2020 1284 Solara.exe 88 PID 1284 wrote to memory of 2020 1284 Solara.exe 88 PID 1284 wrote to memory of 2020 1284 Solara.exe 88 PID 1284 wrote to memory of 2644 1284 Solara.exe 89 PID 1284 wrote to memory of 2644 1284 Solara.exe 89 PID 1284 wrote to memory of 2644 1284 Solara.exe 89 PID 1284 wrote to memory of 2644 1284 Solara.exe 89 PID 1284 wrote to memory of 2644 1284 Solara.exe 89 PID 1284 wrote to memory of 2644 1284 Solara.exe 89 PID 1284 wrote to memory of 2644 1284 Solara.exe 89 PID 1284 wrote to memory of 2644 1284 Solara.exe 89 PID 1284 wrote to memory of 2644 1284 Solara.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\Solara.exe"C:\Users\Admin\AppData\Local\Temp\Solara.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:2020
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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:2644 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 5643⤵
- Program crash
PID:2184
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2644 -ip 26441⤵PID:2124