Analysis
- max time kernel
30s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 08:49
General
- Target 87d2052c1a961cf20137e158b32965ace9f1d85c3bd9744624ec0bd9346aed1b.exe
- Size 14.4MB
- Sample260820-krcf3stanb
- SHA256 87d2052c1a961cf20137e158b32965ace9f1d85c3bd9744624ec0bd9346aed1b
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
Extracted
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stealc
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RUN
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http://196.251.107.163
Extracted
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svcstealer
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http://196.251.107.186/acovp/post.php
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http://192.162.199.186/usovp/post.php
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http://196.251.107.163/bioxp/post.php
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build_id
Dropped
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srv_delay
1
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srv_retry
1
Signatures
- Family: SolarisLoader
SolarisLoader is a Windows loader written in C.
- Family: Stealc
Stealc is an infostealer written in C++.
- Family: SvcStealer, Diamotrix
SvcStealer aka Diamotrix Clipper is a stealer/downloader written in C++.
- Executes dropped EXE 8 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
- Modifies registry class 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 29 IoCs
- Suspicious use of WriteProcessMemory 22 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\87d2052c1a961cf20137e158b32965ace9f1d85c3bd9744624ec0bd9346aed1b.exe"C:\Users\Admin\AppData\Local\Temp\87d2052c1a961cf20137e158b32965ace9f1d85c3bd9744624ec0bd9346aed1b.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cm5xy2ev.exeC:\Users\Admin\AppData\Local\Temp\cm5xy2ev.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-B0NWW4X12Q.tmp\cm5xy2ev.tmp"C:\Users\Admin\AppData\Local\Temp\is-B0NWW4X12Q.tmp\cm5xy2ev.tmp" /SL5="$601E0,4057916,1011712,C:\Users\Admin\AppData\Local\Temp\cm5xy2ev.exe"5⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\rb4gq3vx.exe"C:\Users\Admin\AppData\Local\Temp\rb4gq3vx.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /query /tn "Windows Defender Security Scanner" /fo LIST /v5⤵
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /query /tn "Windows Defender Security Scanner"5⤵
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc minute /tn "Windows Defender Security Scanner" /tr "C:\Users\Admin\AppData\Roaming\lojsh\hrakw.exe"5⤵
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\jrz8h7g1.exe"C:\Users\Admin\AppData\Local\Temp\jrz8h7g1.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e7jsfge5.exeC:\Users\Admin\AppData\Local\Temp\e7jsfge5.exe4⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\b1xx2wan.exe"C:\Users\Admin\AppData\Local\Temp\b1xx2wan.exe"4⤵
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C:\Users\Admin\AppData\Local\Temp\E78.tmp.exeC:\Users\Admin\AppData\Local\Temp\E78.tmp.exe3⤵
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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
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C:\Users\Admin\AppData\Roaming\lojsh\hrakw.exeC:\Users\Admin\AppData\Roaming\lojsh\hrakw.exe1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /query /tn "Windows Defender Security Scanner" /fo LIST /v2⤵
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C:\Users\Admin\AppData\Roaming\lojsh\hrakw.exe"C:\Users\Admin\AppData\Roaming\lojsh\hrakw.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks.exe /query /tn "Windows Defender Security Scanner" /fo LIST /v2⤵
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C:\ProgramData\cceaccdccbc.exe"C:\ProgramData\cceaccdccbc.exe"1⤵
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C:\Users\Admin\AppData\Local\Temp\b1xx2wan.exe"C:\Users\Admin\AppData\Local\Temp\b1xx2wan.exe"1⤵
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C:\Users\Admin\AppData\Roaming\lojsh\hrakw.exe"C:\Users\Admin\AppData\Roaming\lojsh\hrakw.exe"1⤵
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C:\Windows\system32\schtasks.exeschtasks.exe /query /tn "Windows Defender Security Scanner" /fo LIST /v2⤵
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C:\Users\Admin\AppData\Roaming\lojsh\hrakw.exe"C:\Users\Admin\AppData\Roaming\lojsh\hrakw.exe"1⤵
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C:\Windows\system32\schtasks.exeschtasks.exe /query /tn "Windows Defender Security Scanner" /fo LIST /v2⤵
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
E78.tmp.exe
b1xx2wan.exe
cm5xy2ev.exe
e7jsfge5.exe
cm5xy2ev.tmp
_isdecmp.dll
jrz8h7g1.exe
rb4gq3vx.exe
memory/592-40-0x0000024BBBFE0000-0x0000024BBBFE7000-memory.dmp
memory/1300-79-0x00007FF748F70000-0x00007FF748F8E000-memory.dmp
memory/1300-85-0x00007FF748F70000-0x00007FF748F8E000-memory.dmp
memory/2072-61-0x00000000005D0000-0x0000000000A30000-memory.dmp
memory/2072-167-0x00000000005D0000-0x0000000000A30000-memory.dmp
memory/2072-156-0x00000000005D0000-0x0000000000A30000-memory.dmp
memory/2072-68-0x00000000005D0000-0x0000000000A30000-memory.dmp
memory/2136-86-0x0000000003190000-0x0000000003191000-memory.dmp
memory/2136-90-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-185-0x0000000003C60000-0x0000000003CA5000-memory.dmp
memory/2136-53-0x00000000031F0000-0x00000000031F1000-memory.dmp
memory/2136-64-0x0000000005310000-0x0000000005355000-memory.dmp
memory/2136-49-0x0000000003850000-0x0000000003890000-memory.dmp
memory/2136-176-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-33-0x00000000031B0000-0x00000000031B7000-memory.dmp
memory/2136-82-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-81-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-50-0x00000000050F0000-0x0000000005135000-memory.dmp
memory/2136-42-0x00000000031D0000-0x00000000031D1000-memory.dmp
memory/2136-87-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-93-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-92-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-56-0x00000000052C0000-0x0000000005305000-memory.dmp
memory/2136-89-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-88-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-172-0x0000000003630000-0x0000000003655000-memory.dmp
memory/2136-163-0x0000000003B60000-0x0000000003BA5000-memory.dmp
memory/2136-114-0x00000000036A0000-0x00000000036A1000-memory.dmp
memory/4336-36-0x000001E3E2F90000-0x000001E3E2F97000-memory.dmp
memory/4336-29-0x000001E3E2F70000-0x000001E3E2F73000-memory.dmp
memory/4404-38-0x000001FA5AD70000-0x000001FA5AD77000-memory.dmp
memory/5128-6-0x0000000000160000-0x0000000000266000-memory.dmp
memory/5128-60-0x0000000000160000-0x0000000000266000-memory.dmp
memory/5604-119-0x00007FF748F70000-0x00007FF748F8E000-memory.dmp
memory/5960-111-0x00007FF7BF490000-0x00007FF7BF4AE000-memory.dmp
memory/5960-110-0x00007FF7BF490000-0x00007FF7BF4AE000-memory.dmp