Analysis
- user interaction
yes - max time kernel
14s - max time network
15s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
31/08/2026, 19:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Grabber.exe
Resource
win10v2004-20260513-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
Grabber.exe
Resource
win10ltsc2021-20260513-en
10 signatures
150 seconds
General
- Target Grabber.exe
- Size 321KB
- Sample260831-x4feqaab93
- SHA256 cd1b578420ad1695d1e5e610a0f43e3ab5202a2b29963aeec0e33350a7671203
- MD5 181b7f88b740f16ab83e135654f7e8a2
- SHA1 8b68dd2161b128441cb92d66aa92255498d5ece4
- SHA512 dd8d02b5f77c1cb9aa60f51953360f2b21e9dd2272cb8d52b79c87cd24407247ebdbf09c78eac56e065a4c48755fbe190c439763ea237d2935c426e7fc960c1d
- SSDEEP 6144:a1GYcygEBwZYI0V84nM+rpBZkP/66aJzn6+VmQAGTNumxFh:aB0EoYI6/nMWpB066crx8GTMmx
- TLSH T15164D01176D08471D8B7117248F4EB799A3DF4750B215DEF63882BBE09243D09A3AAEF
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts Grabber.exe - .NET Reactor proctector 2 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/memory/4560-1-0x0000000002F10000-0x0000000002F78000-memory.dmp net_reactor behavioral2/memory/4560-4-0x0000000005390000-0x00000000053F8000-memory.dmp net_reactor - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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pid Process 3464 powershell.exe - Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 14 ip-api.com - 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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Grabber.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3464 powershell.exe 3464 powershell.exe 2168 powershell.exe 2168 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4560 Grabber.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 2168 powershell.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4560 wrote to memory of 4700 4560 Grabber.exe 83 PID 4560 wrote to memory of 3464 4560 Grabber.exe 85 PID 4560 wrote to memory of 2168 4560 Grabber.exe 87 - Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 4700 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Grabber.exe"C:\Users\Admin\AppData\Local\Temp\Grabber.exe"1⤵
- Drops file in Drivers directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Windows\SysWOW64\attrib.exe"attrib.exe" +h +s ""2⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:4700
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2168
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 1KB
- SHA256 1f4966c208f72a652bc4fe09dcb6f725b6a25543e3f4124e4164bb95da9d6713
- MD5 daecd2bfb3ec6c7c945161c09d73a2d2
- SHA1 0f8b30932c84f71ee37d346155dceeb72c40149f
- SHA512 935af1b008110224ce5e03aa1daa792aada28ff65c00fa3b8998f7f439b16121a7bca011890f8515edfe576d8ae91de135bf1f021e2c0ece5544aab329465792
- TLSH T169415F303161B5D90D425F1219286EC563EF8749AFAC9F5CB569231DCE2B44BD7221F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 62775f6b21d43e9aaf42cf427d6aabc478cf36ef6c40bc8abc8b6f335387653d
- MD5 3f4f2e1d3205146d62863c041702b821
- SHA1 157a367f53854ebb1dace64778c537b698dfe257
- SHA512 3662f31bccde91cf1f5ad9388fc88972704f06390f4ada33ee8f3c7438ac9a2dd7902f09b58d563d2a417c29e7f4199e0220062c531ea34c7d709626328b0967
- SSDEEP 384:gafQUWgOKxIB/TFcs2d+4+czRXcy9iRZEP1Jzpa0jjqBxPsHiFW:Xf+gZxIn2Mjczy/YTRWBxy
- TLSH T17A82C82570B78DF9DBC611B0959E02EEFFD4E8419B3872CCE62DFA194CE2D3A4620094
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hvoiuq0z.yib.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH