Analysis
- max time kernel
150s - max time network
107s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
31/08/2026, 06:19
General
- Target bot_x64.exe
- Size 57KB
- Sample260831-g3eh2aythy
- SHA256 eb4c2dc7db21d6a8a889c74c7b90eaac0e095205063ae3e348a400e253c6bdd8
Malware Config
Extracted
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solaris_loader
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196.251.107.186
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192.162.199.186
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196.251.107.163
Signatures
- Family: SolarisLoader
SolarisLoader is a Windows loader written in C.
- Executes dropped EXE 1 IoCs
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 40 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bot_x64.exe"C:\Users\Admin\AppData\Local\Temp\bot_x64.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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-
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\winhost.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\winhost.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
winhost.exe
memory/1396-1-0x00007FFB3BD60000-0x00007FFB3BFC3000-memory.dmp
memory/1396-3-0x00007FFB3BD60000-0x00007FFB3BFC3000-memory.dmp
memory/1396-2-0x00007FFB3BD60000-0x00007FFB3BFC3000-memory.dmp
memory/1396-4-0x00007FFB3BD60000-0x00007FFB3BFC3000-memory.dmp
memory/1396-5-0x00007FFB3BD60000-0x00007FFB3BFC3000-memory.dmp
memory/1396-18-0x00007FFB3BD60000-0x00007FFB3BFC3000-memory.dmp
memory/1396-23-0x00007FFB3B177000-0x00007FFB3B178000-memory.dmp
memory/1396-29-0x00007FFB3BD60000-0x00007FFB3BFC3000-memory.dmp
memory/1396-0-0x00007FFB3BEBF000-0x00007FFB3BEC0000-memory.dmp
memory/3472-26-0x00007FFB3BD60000-0x00007FFB3BFC3000-memory.dmp
memory/3472-27-0x00007FFB3BD60000-0x00007FFB3BFC3000-memory.dmp
memory/4388-20-0x000001BAA4620000-0x000001BAA4627000-memory.dmp
memory/4388-6-0x000001BAA0DA0000-0x000001BAA0DA3000-memory.dmp
memory/4388-12-0x000001BAA4620000-0x000001BAA4627000-memory.dmp
memory/4412-16-0x000002A375130000-0x000002A375137000-memory.dmp
memory/4412-22-0x000002A375130000-0x000002A375137000-memory.dmp
memory/4452-14-0x0000025275AA0000-0x0000025275AA7000-memory.dmp
memory/4452-21-0x0000025275AA0000-0x0000025275AA7000-memory.dmp
memory/4880-10-0x0000000003CE0000-0x0000000003CE7000-memory.dmp
memory/4880-24-0x0000000003A90000-0x0000000003A91000-memory.dmp
memory/4880-19-0x0000000003CE0000-0x0000000003CE7000-memory.dmp