Analysis
- user interaction
yes - max time kernel
191s - max time network
195s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 15:23
Behavioral task
behavioral1
Sample
NerestPCFIX.exe
Resource
win10v2004-20260513-en
23 signatures
600 seconds
Behavioral task
behavioral2
Sample
NerestPCFIX.exe
Resource
win11ltsc2024-20260709-en
14 signatures
600 seconds
General
- Target NerestPCFIX.exe
- Size 3.4MB
- Sample260819-ssh91sdk31
- SHA256 f1afbc7c73f92140ebf00708d39bd73060bf5c32a7ec48d2c3f167bfe660c779
- MD5 a909f680456b92fca321297f082d22e6
- SHA1 398a8e07e756289a4e1dbed201602050901410ec
- SHA512 0440e5285768a94e26d3e8b65bf0cce2f7dad876c0e0c13b8a43dab262b8f191bad4817ae259f28e51a17efc602a0307fac3483691b2f5af72e2ccf1267db61a
- SSDEEP 98304:or+18PgOzBYWiQtqkepdn3lKHnk2LCc7Numhv:NxK6o0n3lsn3Z7Nth
- TLSH T116F5333C370AE81DEB941A73E7F42788D33E521C93243D67A7BB961611C8A8634BE54D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: salatstealer
SalatStealer is a stealer that takes sceenshot written in Golang.
- Detect SalatStealer payload 20 IoCs
resource yara_rule behavioral2/memory/1860-1-0x00000000003B0000-0x0000000001005000-memory.dmp family_salatstealer behavioral2/memory/1860-2-0x00000000003B0000-0x0000000001005000-memory.dmp family_salatstealer behavioral2/memory/1860-3-0x00000000003B0000-0x0000000001005000-memory.dmp family_salatstealer behavioral2/memory/1860-11-0x00000000003B0000-0x0000000001005000-memory.dmp family_salatstealer behavioral2/memory/2464-12-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-13-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/1532-33-0x0000000000B70000-0x00000000017C5000-memory.dmp family_salatstealer behavioral2/memory/2464-50-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-51-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-52-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-53-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-54-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-55-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-56-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-57-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-58-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-59-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-60-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-61-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer behavioral2/memory/2464-62-0x0000000000890000-0x00000000014E5000-memory.dmp family_salatstealer - Executes dropped EXE 2 IoCs
pid Process 2464 spoolsv.exe 1532 spoolsv.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
resource yara_rule behavioral2/memory/1860-0-0x00000000003B0000-0x0000000001005000-memory.dmp upx behavioral2/memory/1860-1-0x00000000003B0000-0x0000000001005000-memory.dmp upx behavioral2/memory/1860-2-0x00000000003B0000-0x0000000001005000-memory.dmp upx behavioral2/memory/1860-3-0x00000000003B0000-0x0000000001005000-memory.dmp upx behavioral2/files/0x001a00000001c4c7-9.dat upx behavioral2/memory/2464-10-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/1860-11-0x00000000003B0000-0x0000000001005000-memory.dmp upx behavioral2/memory/2464-12-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-13-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/1532-32-0x0000000000B70000-0x00000000017C5000-memory.dmp upx behavioral2/memory/1532-33-0x0000000000B70000-0x00000000017C5000-memory.dmp upx behavioral2/memory/2464-50-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-51-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-52-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-53-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-54-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-55-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-56-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-57-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-58-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-59-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-60-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-61-0x0000000000890000-0x00000000014E5000-memory.dmp upx behavioral2/memory/2464-62-0x0000000000890000-0x00000000014E5000-memory.dmp upx - Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Windows Photo Viewer\45535e9d-5bdd-30b9-e094-d1322bb29d5b NerestPCFIX.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\smss.exe NerestPCFIX.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\spoolsv.exe spoolsv.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 NerestPCFIX.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe - Suspicious behavior: EnumeratesProcesses 44 IoCs
pid Process 1860 NerestPCFIX.exe 1860 NerestPCFIX.exe 1860 NerestPCFIX.exe 1860 NerestPCFIX.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 5980 powershell.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 5980 powershell.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe 2464 spoolsv.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2464 spoolsv.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2464 spoolsv.exe Token: SeDebugPrivilege 5980 powershell.exe Token: SeIncreaseQuotaPrivilege 5980 powershell.exe Token: SeSecurityPrivilege 5980 powershell.exe Token: SeTakeOwnershipPrivilege 5980 powershell.exe Token: SeLoadDriverPrivilege 5980 powershell.exe Token: SeSystemProfilePrivilege 5980 powershell.exe Token: SeSystemtimePrivilege 5980 powershell.exe Token: SeProfSingleProcessPrivilege 5980 powershell.exe Token: SeIncBasePriorityPrivilege 5980 powershell.exe Token: SeCreatePagefilePrivilege 5980 powershell.exe Token: SeBackupPrivilege 5980 powershell.exe Token: SeRestorePrivilege 5980 powershell.exe Token: SeShutdownPrivilege 5980 powershell.exe Token: SeDebugPrivilege 5980 powershell.exe Token: SeSystemEnvironmentPrivilege 5980 powershell.exe Token: SeRemoteShutdownPrivilege 5980 powershell.exe Token: SeUndockPrivilege 5980 powershell.exe Token: SeManageVolumePrivilege 5980 powershell.exe Token: 33 5980 powershell.exe Token: 34 5980 powershell.exe Token: 35 5980 powershell.exe Token: 36 5980 powershell.exe Token: SeIncreaseQuotaPrivilege 5980 powershell.exe Token: SeSecurityPrivilege 5980 powershell.exe Token: SeTakeOwnershipPrivilege 5980 powershell.exe Token: SeLoadDriverPrivilege 5980 powershell.exe Token: SeSystemProfilePrivilege 5980 powershell.exe Token: SeSystemtimePrivilege 5980 powershell.exe Token: SeProfSingleProcessPrivilege 5980 powershell.exe Token: SeIncBasePriorityPrivilege 5980 powershell.exe Token: SeCreatePagefilePrivilege 5980 powershell.exe Token: SeBackupPrivilege 5980 powershell.exe Token: SeRestorePrivilege 5980 powershell.exe Token: SeShutdownPrivilege 5980 powershell.exe Token: SeDebugPrivilege 5980 powershell.exe Token: SeSystemEnvironmentPrivilege 5980 powershell.exe Token: SeRemoteShutdownPrivilege 5980 powershell.exe Token: SeUndockPrivilege 5980 powershell.exe Token: SeManageVolumePrivilege 5980 powershell.exe Token: 33 5980 powershell.exe Token: 34 5980 powershell.exe Token: 35 5980 powershell.exe Token: 36 5980 powershell.exe Token: SeIncreaseQuotaPrivilege 5980 powershell.exe Token: SeSecurityPrivilege 5980 powershell.exe Token: SeTakeOwnershipPrivilege 5980 powershell.exe Token: SeLoadDriverPrivilege 5980 powershell.exe Token: SeSystemProfilePrivilege 5980 powershell.exe Token: SeSystemtimePrivilege 5980 powershell.exe Token: SeProfSingleProcessPrivilege 5980 powershell.exe Token: SeIncBasePriorityPrivilege 5980 powershell.exe Token: SeCreatePagefilePrivilege 5980 powershell.exe Token: SeBackupPrivilege 5980 powershell.exe Token: SeRestorePrivilege 5980 powershell.exe Token: SeShutdownPrivilege 5980 powershell.exe Token: SeDebugPrivilege 5980 powershell.exe Token: SeSystemEnvironmentPrivilege 5980 powershell.exe Token: SeRemoteShutdownPrivilege 5980 powershell.exe Token: SeUndockPrivilege 5980 powershell.exe Token: SeManageVolumePrivilege 5980 powershell.exe Token: 33 5980 powershell.exe Token: 34 5980 powershell.exe Token: 35 5980 powershell.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1860 wrote to memory of 2464 1860 NerestPCFIX.exe 91 PID 2464 wrote to memory of 5980 2464 spoolsv.exe 92 PID 2464 wrote to memory of 1532 2464 spoolsv.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\NerestPCFIX.exe"C:\Users\Admin\AppData\Local\Temp\NerestPCFIX.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1860 -
C:\Users\Admin\AppData\Local\Packages\spoolsv.exeC:\Users\Admin\AppData\Local\Packages\spoolsv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5980
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C:\Program Files (x86)\Microsoft\Edge\Application\spoolsv.exe"C:\Program Files (x86)\Microsoft\Edge\Application\spoolsv.exe" -3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1532
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:4896
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:5112
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Packages\spoolsv.exe
- Size 3.4MB
- SHA256 f1afbc7c73f92140ebf00708d39bd73060bf5c32a7ec48d2c3f167bfe660c779
- MD5 a909f680456b92fca321297f082d22e6
- SHA1 398a8e07e756289a4e1dbed201602050901410ec
- SHA512 0440e5285768a94e26d3e8b65bf0cce2f7dad876c0e0c13b8a43dab262b8f191bad4817ae259f28e51a17efc602a0307fac3483691b2f5af72e2ccf1267db61a
- SSDEEP 98304:or+18PgOzBYWiQtqkepdn3lKHnk2LCc7Numhv:NxK6o0n3lsn3Z7Nth
- TLSH T116F5333C370AE81DEB941A73E7F42788D33E521C93243D67A7BB961611C8A8634BE54D
- MD5 SHA1 SHA512 SSDEEP TLSH