Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 10:53
Static task
static1
Behavioral task
behavioral1
Sample
1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe
Resource
win11-20240214-en
General
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Target
1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe
-
Size
785KB
-
MD5
b1f1f27dc412d65653c97dde5c5f4937
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SHA1
262b85a349a20c9b97a4be19af9b9b96ae7caf5d
-
SHA256
1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4
-
SHA512
03cf8242f333a04c91e9d5c8dbf15b8500e069dc96b4d948ad80f90aa413175717ecf2b92056daa496e6758b44341b3819609b13b64340d319842ed76382bd8b
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SSDEEP
12288:wDQkRG6P9ZCD9ALF6OAtNPZgvAjcV0hfcmJAan88Aj7H5nu1RVKJ9tDkztBi1:wp/hLF6O6NR4Ajc3Xr8Y7ZnKDK6A1
Malware Config
Extracted
djvu
http://sajdfue.com/test1/get.php
-
extension
.vook
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offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
-
ransomnote
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Extracted
vidar
8.6
5739ef2bbcd39fcd59c5746bfe4238c5
https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok
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profile_id_v2
5739ef2bbcd39fcd59c5746bfe4238c5
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Signatures
-
Detect Vidar Stealer 5 IoCs
Processes:
resource yara_rule behavioral1/memory/4032-50-0x0000000000400000-0x0000000000644000-memory.dmp family_vidar_v7 behavioral1/memory/2704-51-0x0000000002180000-0x00000000021B1000-memory.dmp family_vidar_v7 behavioral1/memory/4032-54-0x0000000000400000-0x0000000000644000-memory.dmp family_vidar_v7 behavioral1/memory/4032-55-0x0000000000400000-0x0000000000644000-memory.dmp family_vidar_v7 behavioral1/memory/4032-76-0x0000000000400000-0x0000000000644000-memory.dmp family_vidar_v7 -
Detected Djvu ransomware 16 IoCs
Processes:
resource yara_rule behavioral1/memory/992-2-0x0000000002970000-0x0000000002A8B000-memory.dmp family_djvu behavioral1/memory/3700-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3700-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3700-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3700-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3700-18-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-22-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-23-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-24-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-70-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1988-79-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe -
Executes dropped EXE 8 IoCs
Processes:
build2.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exepid process 2704 build2.exe 4032 build2.exe 1532 build3.exe 744 build3.exe 804 mstsca.exe 2140 mstsca.exe 1596 mstsca.exe 552 mstsca.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\b6eb32ab-55e5-47f6-a21c-ef66b462d5ec\\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe\" --AutoStart" 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 api.2ip.ua 4 api.2ip.ua 20 api.2ip.ua -
Suspicious use of SetThreadContext 6 IoCs
Processes:
1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exebuild2.exebuild3.exemstsca.exemstsca.exedescription pid process target process PID 992 set thread context of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 set thread context of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 2704 set thread context of 4032 2704 build2.exe build2.exe PID 1532 set thread context of 744 1532 build3.exe build3.exe PID 804 set thread context of 2140 804 mstsca.exe mstsca.exe PID 1596 set thread context of 552 1596 mstsca.exe mstsca.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4024 4032 WerFault.exe build2.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2812 schtasks.exe 4832 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exepid process 3700 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 3700 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1988 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1988 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exedescription pid process target process PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 992 wrote to memory of 3700 992 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 3700 wrote to memory of 2388 3700 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe icacls.exe PID 3700 wrote to memory of 2388 3700 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe icacls.exe PID 3700 wrote to memory of 2388 3700 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe icacls.exe PID 3700 wrote to memory of 4516 3700 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 3700 wrote to memory of 4516 3700 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 3700 wrote to memory of 4516 3700 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 4516 wrote to memory of 1988 4516 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe PID 1988 wrote to memory of 2704 1988 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe build2.exe PID 1988 wrote to memory of 2704 1988 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe build2.exe PID 1988 wrote to memory of 2704 1988 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 2704 wrote to memory of 4032 2704 build2.exe build2.exe PID 1988 wrote to memory of 1532 1988 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe build3.exe PID 1988 wrote to memory of 1532 1988 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe build3.exe PID 1988 wrote to memory of 1532 1988 1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe build3.exe PID 1532 wrote to memory of 744 1532 build3.exe build3.exe PID 1532 wrote to memory of 744 1532 build3.exe build3.exe PID 1532 wrote to memory of 744 1532 build3.exe build3.exe PID 1532 wrote to memory of 744 1532 build3.exe build3.exe PID 1532 wrote to memory of 744 1532 build3.exe build3.exe PID 1532 wrote to memory of 744 1532 build3.exe build3.exe PID 1532 wrote to memory of 744 1532 build3.exe build3.exe PID 1532 wrote to memory of 744 1532 build3.exe build3.exe PID 1532 wrote to memory of 744 1532 build3.exe build3.exe PID 744 wrote to memory of 2812 744 build3.exe schtasks.exe PID 744 wrote to memory of 2812 744 build3.exe schtasks.exe PID 744 wrote to memory of 2812 744 build3.exe schtasks.exe PID 804 wrote to memory of 2140 804 mstsca.exe mstsca.exe PID 804 wrote to memory of 2140 804 mstsca.exe mstsca.exe PID 804 wrote to memory of 2140 804 mstsca.exe mstsca.exe PID 804 wrote to memory of 2140 804 mstsca.exe mstsca.exe PID 804 wrote to memory of 2140 804 mstsca.exe mstsca.exe PID 804 wrote to memory of 2140 804 mstsca.exe mstsca.exe PID 804 wrote to memory of 2140 804 mstsca.exe mstsca.exe PID 804 wrote to memory of 2140 804 mstsca.exe mstsca.exe PID 804 wrote to memory of 2140 804 mstsca.exe mstsca.exe PID 2140 wrote to memory of 4832 2140 mstsca.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe"C:\Users\Admin\AppData\Local\Temp\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe"C:\Users\Admin\AppData\Local\Temp\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\b6eb32ab-55e5-47f6-a21c-ef66b462d5ec" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe"C:\Users\Admin\AppData\Local\Temp\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe"C:\Users\Admin\AppData\Local\Temp\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build2.exe"C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build2.exe"C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build2.exe"6⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 22207⤵
- Program crash
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C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build3.exe"C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build3.exe"C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build3.exe"6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"7⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4032 -ip 40321⤵
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAFilesize
1KB
MD5f213915edaae28d50459918c3bb1de6d
SHA155c71f771f67ca04df6876eebc30453b328352fc
SHA256e226380b93bacad0e4cb95ecb5369941396f49c3bd6c869367a2b840def41ee9
SHA5121dd92cafe3c45c7739aaa3ede9868597f6a689bc221d18f69d7676f8f2323ced160a22e1df661413465544afe9620f34606078dcc6baf83125d912c768bd1303
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464Filesize
724B
MD58202a1cd02e7d69597995cabbe881a12
SHA18858d9d934b7aa9330ee73de6c476acf19929ff6
SHA25658f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
SHA51297ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAFilesize
410B
MD59b81efdfa431ee98b3480cfee3dab009
SHA1bdda375eedb669593c3038f3a6aa57b050fa61c3
SHA256e6f6d15ddfd1cb1e1cb8716df77fb798c556355708073f8a0a3badf656724acd
SHA5126d3fca15136fef7afd6f762b7563e5360bfe0b4790d296cbf29854d97e6e003c9a55d03d7d0899273a2903abf070e7dad389ee5ba36159f89e04b59307590fa9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464Filesize
392B
MD5d0911202c6e318d3d9e828615e45987d
SHA109d5600a1205d16ac593ee7b46e4ec315b556395
SHA2564470aa5d8319ee072a2171aa305f2aca425d2c6aad4b722ac3411c1204903354
SHA51224d75c31e9f8d80c7d5e58df6150f1c85f427688efc370df59c983587ab14e0fad1bcb805d4bc0bd8f90e4c9fd869a74a63baf97daeb4eb0598fcb6f2306f14a
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C:\Users\Admin\AppData\Local\b6eb32ab-55e5-47f6-a21c-ef66b462d5ec\1d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4.exeFilesize
785KB
MD5b1f1f27dc412d65653c97dde5c5f4937
SHA1262b85a349a20c9b97a4be19af9b9b96ae7caf5d
SHA2561d8ae60923cc36a4e0baf8087e5508754bcd059795513b0182b8ae7bed0f79d4
SHA51203cf8242f333a04c91e9d5c8dbf15b8500e069dc96b4d948ad80f90aa413175717ecf2b92056daa496e6758b44341b3819609b13b64340d319842ed76382bd8b
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C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build2.exeFilesize
277KB
MD58dae8b6a6be6e3527183594d1c26a2d3
SHA1b87e40cee60869a36e79c88c8a3a34baf0bc4889
SHA256afce72cd3bc717c784962083066e3ede2b0aaadbe0908ec7360096c923774fa5
SHA5120bf065700db647efba39a13a58242a595907e6c11885575cf0bdad9e23ab40583c8a6535464e46d75d075e20d88b7a6305a761df9da787fdc8728483dd48f96e
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C:\Users\Admin\AppData\Local\ddd5c3ad-6363-4a40-a9a9-d29b63f6ab6a\build3.exeFilesize
299KB
MD541b883a061c95e9b9cb17d4ca50de770
SHA11daf96ec21d53d9a4699cea9b4db08cda6fbb5ad
SHA256fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408
SHA512cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319
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memory/744-91-0x0000000000410000-0x00000000004D9000-memory.dmpFilesize
804KB
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memory/744-88-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/744-83-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/744-90-0x0000000000400000-0x0000000000406000-memory.dmpFilesize
24KB
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memory/804-104-0x0000000000A20000-0x0000000000B20000-memory.dmpFilesize
1024KB
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memory/992-2-0x0000000002970000-0x0000000002A8B000-memory.dmpFilesize
1.1MB
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memory/992-1-0x0000000000D10000-0x0000000000DB0000-memory.dmpFilesize
640KB
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memory/1532-87-0x0000000000A50000-0x0000000000A54000-memory.dmpFilesize
16KB
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memory/1532-86-0x0000000000B0E000-0x0000000000B1E000-memory.dmpFilesize
64KB
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memory/1596-120-0x0000000000AA0000-0x0000000000BA0000-memory.dmpFilesize
1024KB
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memory/1988-22-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/1988-29-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/1988-36-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/1988-37-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/1988-30-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/1988-23-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/1988-34-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/1988-24-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/1988-79-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/1988-70-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/2704-49-0x00000000006E0000-0x00000000007E0000-memory.dmpFilesize
1024KB
-
memory/2704-51-0x0000000002180000-0x00000000021B1000-memory.dmpFilesize
196KB
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memory/3700-4-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3700-5-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/3700-3-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/3700-18-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/3700-6-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/4032-50-0x0000000000400000-0x0000000000644000-memory.dmpFilesize
2.3MB
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memory/4032-76-0x0000000000400000-0x0000000000644000-memory.dmpFilesize
2.3MB
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memory/4032-55-0x0000000000400000-0x0000000000644000-memory.dmpFilesize
2.3MB
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memory/4032-54-0x0000000000400000-0x0000000000644000-memory.dmpFilesize
2.3MB
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memory/4516-20-0x0000000002800000-0x00000000028A1000-memory.dmpFilesize
644KB