Analysis
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max time kernel
109s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-09-2024 20:28
Static task
static1
Behavioral task
behavioral1
Sample
Solara.rar
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Solara.rar
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Solara/BootstrapperV1.18.exe
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
Solara/BootstrapperV1.18.exe
Resource
win10v2004-20240910-en
Behavioral task
behavioral5
Sample
Solara/RIVALS SCRIPT.txt
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
Solara/RIVALS SCRIPT.txt
Resource
win10v2004-20240802-en
General
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Target
Solara.rar
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Size
10.7MB
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MD5
4dee84b7303026ef481573d139086ad2
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SHA1
d85c0a9a064815dff18a33a4c5e8ecbf4eee49df
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SHA256
9c27c452ff1ebbcfbb34f1062ae68285892c58c6bc5dcdf326718e8d17045c61
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SHA512
769d9123bc2049285c8dde3ed03e248c5189af4a0265f601521c1ff15b6949867a53ce64ec4e1412edc905c611c826016df92c15c9e55366cf349e034ec91832
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SSDEEP
196608:yhxL3V5FXuVB3Ye+7pIPLS5n+JOgumvW7YGQsLItBrbDjoz0VGaTvkRS7:mzVbXaeg+0JTzltVbDzw68RS7
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2752 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2216 wrote to memory of 2944 2216 cmd.exe 31 PID 2216 wrote to memory of 2944 2216 cmd.exe 31 PID 2216 wrote to memory of 2944 2216 cmd.exe 31 PID 2944 wrote to memory of 2752 2944 rundll32.exe 32 PID 2944 wrote to memory of 2752 2944 rundll32.exe 32 PID 2944 wrote to memory of 2752 2944 rundll32.exe 32
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Solara.rar1⤵
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Solara.rar2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Solara.rar3⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:2752
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