Resubmissions
29-06-2024 21:22
240629-z8cwhawfpd 1029-06-2024 21:22
240629-z788bawfmh 1029-06-2024 21:20
240629-z6qdtazdnl 529-06-2024 19:43
240629-ye94gaxgmk 10Analysis
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max time kernel
1s -
max time network
2s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
29-06-2024 21:22
Static task
static1
Behavioral task
behavioral1
Sample
Gtool.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
Gtool.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
Gtool.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
Gtool.exe
Resource
win11-20240508-en
General
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Target
Gtool.exe
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Size
526KB
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MD5
25d66863ae6b40666fe4ea3031c00957
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SHA1
07408d2073032c8fa07a1e3f1613274039183ef9
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SHA256
ffeabd18beabd0c0090ca6ff166e7f724ee80c120c602e46a4ce2e427887b762
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SHA512
03644f6de2da25939ec5b460f90d052718fce40f84d2d75788836a02d20f3352e967b6df80ddfd8b858f11af9ff9c08be419373f903063ee1aeb9a58385892a8
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SSDEEP
12288:PnUB23lHRG/X5maWsBZUXHgBEDwAW8WrlrpQy7lQ:PUE1H2JmaWs0CeFmZ
Malware Config
Signatures
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Suspicious use of SetThreadContext 1 IoCs
Processes:
Gtool.exedescription pid process target process PID 3448 set thread context of 4992 3448 Gtool.exe RegAsm.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2800 3448 WerFault.exe Gtool.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Gtool.exedescription pid process target process PID 3448 wrote to memory of 4992 3448 Gtool.exe RegAsm.exe PID 3448 wrote to memory of 4992 3448 Gtool.exe RegAsm.exe PID 3448 wrote to memory of 4992 3448 Gtool.exe RegAsm.exe PID 3448 wrote to memory of 4992 3448 Gtool.exe RegAsm.exe PID 3448 wrote to memory of 4992 3448 Gtool.exe RegAsm.exe PID 3448 wrote to memory of 4992 3448 Gtool.exe RegAsm.exe PID 3448 wrote to memory of 4992 3448 Gtool.exe RegAsm.exe PID 3448 wrote to memory of 4992 3448 Gtool.exe RegAsm.exe PID 3448 wrote to memory of 4992 3448 Gtool.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Gtool.exe"C:\Users\Admin\AppData\Local\Temp\Gtool.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 1522⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3448 -ip 34481⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/3448-1-0x00000000009A0000-0x00000000009A1000-memory.dmpFilesize
4KB
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memory/4992-0-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/4992-3-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/4992-4-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/4992-5-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB