Analysis
- user interaction
yes - max time kernel
900s - max time network
425s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260130-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260130-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
03/05/2026, 17:43
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
Grimoire.exe
Resource
win10ltsc2021-20260130-en
3 signatures
900 seconds
General
- Target Grimoire.exe
- Size 4.3MB
- Sample260503-waz2laat6n
- SHA256 ba56caef6dc6f01435232a689bf44bb37aef36f36daa3a4acad161cb41b3c6f5
- MD5 5a13c1d1cdc62a53cadd1766fbbdbeae
- SHA1 969621c9ea19a9265c40364a7f1623998e454beb
- SHA512 ac575a9b339082df48cfe996b9cbf6136554b101997aadd52df9a0e5c7161a27eca64c0e25b9693528b520d92c508ef753732c3943a96f94bd16ca2dca07c5b1
- SSDEEP 24576:ZEExtZRBijcxudvsc0rdx5KThV62spN2sp:ZEErB+5iK1apRp
- TLSH T1D526E60DA272C10EE7B576FA58E4C6411AA1AD823C50C59693343E7416F537FEEB822F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Program crash 2 IoCs
pid pid_target Process procid_target 4948 2540 WerFault.exe 82 4552 5556 WerFault.exe 107 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Grimoire.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Grimoire.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3392 wrote to memory of 5556 3392 cmd.exe 107
Processes
-
C:\Users\Admin\AppData\Local\Temp\Grimoire.exe"C:\Users\Admin\AppData\Local\Temp\Grimoire.exe"1⤵
- System Location Discovery: System Language Discovery
PID:2540 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 8682⤵
- Program crash
PID:4948
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2540 -ip 25401⤵PID:5072
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {24AC8F2B-4D4A-4C17-9607-6A4B14068F97} -Embedding1⤵PID:2316
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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:3592
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Users\Admin\AppData\Local\Temp\Grimoire.exeGrimoire.exe2⤵
- System Location Discovery: System Language Discovery
PID:5556 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5556 -s 8363⤵
- Program crash
PID:4552
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 5556 -ip 55561⤵PID:5168