Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/04/2026, 21:28
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe
Resource
win11-20260130-en
10 signatures
150 seconds
General
- Target 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe
- Size 3.3MB
- Sample260421-1blb2sb17n
- SHA256 8759427cf0d9533c68c217a5362ce935594cdf683af5b93e776d26e2a0bd7e3c
- MD5 01d399946022a34a347232f43eff7029
- SHA1 8763b9834c420a0f66e222a88ff94f7a6d4f7b81
- SHA512 c357c58588977a4142beccb16c1fa02eadeaeda1244653ffbb40a5ed90b19f1ac79b448e1b8df53b1f1cb2eba40bac59a8fa516bea086740058c9d823a484a68
- SSDEEP 98304:pnIG3abbT0NfyqUMHuEl1kZu6ir5uhW3tciTvLqrmfohVN:pnggfwMOEl1ugroM3RTDKmfC
- TLSH T132F5339BE35E0764F4D344F48856B0E4E9AA1E901FB6145FB6DCBE8923332769B11323
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables packed with VMProtect. 2 IoCs
resource yara_rule behavioral1/memory/5060-12-0x0000000140000000-0x0000000140757000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral1/memory/5060-18-0x0000000140000000-0x0000000140757000-memory.dmp INDICATOR_EXE_Packed_VMProtect - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Kills process with taskkill 1 IoCs
pid Process 2988 taskkill.exe - Modifies registry key 1 TTPs 2 IoCs
pid Process 3368 reg.exe 5196 reg.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2988 taskkill.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5060 wrote to memory of 3076 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe 85 PID 3076 wrote to memory of 2988 3076 cmd.exe 87 PID 5060 wrote to memory of 4568 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe 90 PID 5060 wrote to memory of 6060 5060 2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe 91 PID 6060 wrote to memory of 3368 6060 cmd.exe 94 PID 4568 wrote to memory of 5196 4568 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_01d399946022a34a347232f43eff7029_mespinoza.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\SYSTEM32\cmd.execmd /c taskkill /IM steam.exe /F2⤵
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Windows\system32\taskkill.exetaskkill /IM steam.exe /F3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2988
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C:\Windows\SYSTEM32\cmd.execmd /c REG ADD HKCU\Software\Valve\Steam /f /v AutoLoginUser /t REG_SZ /d rd2dn20252⤵
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Windows\system32\reg.exeREG ADD HKCU\Software\Valve\Steam /f /v AutoLoginUser /t REG_SZ /d rd2dn20253⤵
- Modifies registry key
PID:5196
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C:\Windows\SYSTEM32\cmd.execmd /c REG ADD HKCU\Software\Valve\Steam /f /v RememberPassword /t REG_SZ /d 12⤵
- Suspicious use of WriteProcessMemory
PID:6060 -
C:\Windows\system32\reg.exeREG ADD HKCU\Software\Valve\Steam /f /v RememberPassword /t REG_SZ /d 13⤵
- Modifies registry key
PID:3368
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