Analysis
- max time kernel
150s - max time network
98s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
02/02/2026, 09:05
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Quotation Request.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
Quotation Request.exe
Resource
win11-20260130-en
9 signatures
150 seconds
General
- Target Quotation Request.exe
- Size 1.7MB
- Sample260202-k2he3ses2a
- SHA256 b5c87ae305492fcb39c332e34bb86cf96e0906d89eb7bedf552b740a877ca97d
- MD5 ab02e11b8c9beb2f8998e275730301bb
- SHA1 7445e98df4f07118b6f9e1d2c8b78d07b619df9c
- SHA512 447880e76239270c4e807383cdc79a9a94b11814be841fa38559888afff4413dceabe2c2366905c6f92a4d6013aa92cf6d7bce1de70a90eafa858fdf034f5480
- SSDEEP 24576:7FQiRHGAWq6/p3ojZPoIeB/eG9B6VjqIkcSAt9erwz:T5GAmOdPoB/IV+I7X6wz
- TLSH T1F385120913E41B68F8BE573884795061A3F4F8CBC635EBAFA98D90E81D36791DB45323
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- .NET Reactor proctector 64 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/memory/1564-5-0x0000000005A10000-0x0000000005A60000-memory.dmp net_reactor behavioral2/memory/1564-21-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-25-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-115-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-131-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-129-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-127-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-125-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-123-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-121-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-119-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-117-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-111-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-107-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-105-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-103-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-99-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-97-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-95-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-93-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-91-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-89-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-87-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-85-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-83-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-79-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-77-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-75-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-73-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-71-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-69-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-65-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-63-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-61-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-59-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-57-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-53-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-49-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-47-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-45-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-41-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-39-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-37-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-35-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-33-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-31-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-29-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-27-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-23-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-19-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-17-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-15-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-113-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-109-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-101-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-9-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-81-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-67-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-55-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-51-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-43-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-7-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-6-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor behavioral2/memory/1564-13-0x0000000005A10000-0x0000000005A79000-memory.dmp net_reactor - Executes dropped EXE 1 IoCs
pid Process 2404 PDF.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\PDF = "C:\\Users\\Admin\\AppData\\Roaming\\PDF.exe" reg.exe - System Location Discovery: System Language Discovery 1 TTPs 8 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 Quotation Request.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3360 cmd.exe 4600 PING.EXE 1500 cmd.exe 2288 PING.EXE 1640 PING.EXE - Runs ping.exe 1 TTPs 3 IoCs
pid Process 1640 PING.EXE 4600 PING.EXE 2288 PING.EXE - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 1564 Quotation Request.exe 2404 PDF.exe 2404 PDF.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1564 Quotation Request.exe Token: SeDebugPrivilege 2404 PDF.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1564 wrote to memory of 3360 1564 Quotation Request.exe 82 PID 3360 wrote to memory of 4600 3360 cmd.exe 84 PID 1564 wrote to memory of 1500 1564 Quotation Request.exe 85 PID 1500 wrote to memory of 2288 1500 cmd.exe 87 PID 3360 wrote to memory of 3336 3360 cmd.exe 88 PID 1500 wrote to memory of 1640 1500 cmd.exe 90 PID 1500 wrote to memory of 2404 1500 cmd.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\Quotation Request.exe"C:\Users\Admin\AppData\Local\Temp\Quotation Request.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1564 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 39 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "PDF" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\PDF.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3360 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 393⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4600
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "PDF" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\PDF.exe"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:3336
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C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 45 > nul && copy "C:\Users\Admin\AppData\Local\Temp\Quotation Request.exe" "C:\Users\Admin\AppData\Roaming\PDF.exe" && ping 127.0.0.1 -n 45 > nul && "C:\Users\Admin\AppData\Roaming\PDF.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 453⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2288
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 453⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1640
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C:\Users\Admin\AppData\Roaming\PDF.exe"C:\Users\Admin\AppData\Roaming\PDF.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404
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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\PDF.exe
- Size 1.7MB
- SHA256 b5c87ae305492fcb39c332e34bb86cf96e0906d89eb7bedf552b740a877ca97d
- MD5 ab02e11b8c9beb2f8998e275730301bb
- SHA1 7445e98df4f07118b6f9e1d2c8b78d07b619df9c
- SHA512 447880e76239270c4e807383cdc79a9a94b11814be841fa38559888afff4413dceabe2c2366905c6f92a4d6013aa92cf6d7bce1de70a90eafa858fdf034f5480
- SSDEEP 24576:7FQiRHGAWq6/p3ojZPoIeB/eG9B6VjqIkcSAt9erwz:T5GAmOdPoB/IV+I7X6wz
- TLSH T1F385120913E41B68F8BE573884795061A3F4F8CBC635EBAFA98D90E81D36791DB45323
- MD5 SHA1 SHA512 SSDEEP TLSH