Analysis
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max time kernel
146s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
14-09-2024 12:31
Static task
static1
Behavioral task
behavioral1
Sample
e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe
Resource
win10v2004-20240910-en
General
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Target
e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe
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Size
735KB
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MD5
e02fd1eee5d9fc50ac508abf6896982e
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SHA1
7c93d2e15ef9201a6f7154f924f2acd05b62511c
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SHA256
488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779
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SHA512
1e78d958c25e41b217b0b5ac97b5fa0c643a6d8a997314d8d531372e497357e863792446bd812228d9a1b4aec054be3504d8337df6515535c69efca0e0bd6314
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SSDEEP
12288:T4wbKp60OwVHlsiOnNjS9zVy4sn232h2kkjo7UModgPcBJa0sQtaG4l:TLp0OwjiN25VJsnkkkk7s/tTtaGw
Malware Config
Extracted
djvu
http://ring2.ug/As73yhsyU34578hxxx1/SDf565g/get.php
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extension
.reha
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offline_id
7757TLxCRXnSjhJoq4TruFpvTlag0OKn6hPITYt1
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payload_url
http://ring2.ug/files/cost/updatewin1.exe
http://ring2.ug/files/cost/updatewin2.exe
http://ring2.ug/files/cost/updatewin.exe
http://ring2.ug/files/cost/3.exe
http://ring2.ug/files/cost/4.exe
http://ring2.ug/files/cost/5.exe
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ransomnote
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Signatures
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Detected Djvu ransomware 9 IoCs
resource yara_rule behavioral2/memory/1884-2-0x0000000000AD0000-0x0000000000BEA000-memory.dmp family_djvu behavioral2/memory/1884-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/208-15-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/208-17-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1884-20-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1884-19-0x0000000000AD0000-0x0000000000BEA000-memory.dmp family_djvu behavioral2/memory/208-27-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/208-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/208-32-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3812 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\04ea52be-619b-4a9a-bbfd-ae798be2baea\\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe\" --AutoStart" e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.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.
flow ioc 11 api.2ip.ua 13 api.2ip.ua 18 api.2ip.ua -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 33 IoCs
pid pid_target Process procid_target 4188 1884 WerFault.exe 82 2116 1884 WerFault.exe 82 2008 1884 WerFault.exe 82 4936 1884 WerFault.exe 82 1904 1884 WerFault.exe 82 2664 1884 WerFault.exe 82 3684 1884 WerFault.exe 82 4228 1884 WerFault.exe 82 1532 1884 WerFault.exe 82 1152 1884 WerFault.exe 82 4308 1884 WerFault.exe 82 724 1884 WerFault.exe 82 2440 1884 WerFault.exe 82 4512 1884 WerFault.exe 82 1088 1884 WerFault.exe 82 3260 1884 WerFault.exe 82 4448 208 WerFault.exe 118 5108 208 WerFault.exe 118 2152 208 WerFault.exe 118 2360 208 WerFault.exe 118 4260 208 WerFault.exe 118 2208 208 WerFault.exe 118 1860 208 WerFault.exe 118 3912 208 WerFault.exe 118 1512 208 WerFault.exe 118 4028 208 WerFault.exe 118 624 208 WerFault.exe 118 2980 208 WerFault.exe 118 2084 208 WerFault.exe 118 4860 208 WerFault.exe 118 2804 208 WerFault.exe 118 2832 208 WerFault.exe 118 1544 208 WerFault.exe 118 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1884 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe 1884 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe 208 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe 208 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1884 wrote to memory of 3812 1884 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe 113 PID 1884 wrote to memory of 3812 1884 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe 113 PID 1884 wrote to memory of 3812 1884 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe 113 PID 1884 wrote to memory of 208 1884 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe 118 PID 1884 wrote to memory of 208 1884 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe 118 PID 1884 wrote to memory of 208 1884 e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe 118
Processes
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C:\Users\Admin\AppData\Local\Temp\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 8322⤵
- Program crash
PID:4188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 8722⤵
- Program crash
PID:2116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 8722⤵
- Program crash
PID:2008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 8482⤵
- Program crash
PID:4936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 9842⤵
- Program crash
PID:1904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 9922⤵
- Program crash
PID:2664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 15242⤵
- Program crash
PID:3684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 15362⤵
- Program crash
PID:4228
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 18042⤵
- Program crash
PID:1532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 15962⤵
- Program crash
PID:1152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 16282⤵
- Program crash
PID:4308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 15842⤵
- Program crash
PID:724
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 18202⤵
- Program crash
PID:2440
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\04ea52be-619b-4a9a-bbfd-ae798be2baea" /deny *S-1-1-0:(OI)(CI)(DE,DC)2⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:3812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 15842⤵
- Program crash
PID:4512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 20962⤵
- Program crash
PID:1088
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C:\Users\Admin\AppData\Local\Temp\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:208 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 7923⤵
- Program crash
PID:4448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 8123⤵
- Program crash
PID:5108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 8963⤵
- Program crash
PID:2152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 9043⤵
- Program crash
PID:2360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 10363⤵
- Program crash
PID:4260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 10843⤵
- Program crash
PID:2208
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 13363⤵
- Program crash
PID:1860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 15683⤵
- Program crash
PID:3912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 16403⤵
- Program crash
PID:1512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 16643⤵
- Program crash
PID:4028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 16963⤵
- Program crash
PID:624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 17283⤵
- Program crash
PID:2980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 16563⤵
- Program crash
PID:2084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 16723⤵
- Program crash
PID:4860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 15563⤵
- Program crash
PID:2804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 17603⤵
- Program crash
PID:2832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 7963⤵
- Program crash
PID:1544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 18642⤵
- Program crash
PID:3260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1884 -ip 18841⤵PID:1696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1884 -ip 18841⤵PID:3092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1884 -ip 18841⤵PID:4952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1884 -ip 18841⤵PID:3648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1884 -ip 18841⤵PID:4120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1884 -ip 18841⤵PID:2792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1884 -ip 18841⤵PID:2928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1884 -ip 18841⤵PID:1584
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1884 -ip 18841⤵PID:2940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1884 -ip 18841⤵PID:1796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1884 -ip 18841⤵PID:2960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1884 -ip 18841⤵PID:5016
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1884 -ip 18841⤵PID:4452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1884 -ip 18841⤵PID:2828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1884 -ip 18841⤵PID:2132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1884 -ip 18841⤵PID:3668
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 208 -ip 2081⤵PID:1344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 208 -ip 2081⤵PID:3400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 208 -ip 2081⤵PID:3436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 208 -ip 2081⤵PID:2192
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 208 -ip 2081⤵PID:988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 208 -ip 2081⤵PID:2548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 208 -ip 2081⤵PID:1644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 208 -ip 2081⤵PID:528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 208 -ip 2081⤵PID:4352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 208 -ip 2081⤵PID:4524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 208 -ip 2081⤵PID:4888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 208 -ip 2081⤵PID:1936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 208 -ip 2081⤵PID:2168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 208 -ip 2081⤵PID:4380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 208 -ip 2081⤵PID:1632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 208 -ip 2081⤵PID:1152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 208 -ip 2081⤵PID:2208
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD57fb5fa1534dcf77f2125b2403b30a0ee
SHA1365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA25633a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD5ea60cbb7aae21b2509e20532bb028362
SHA11f936d5d9cda93a707dc604bb6f028387f017023
SHA2561546328e38f7c475a73b52bee0ad75647aed19d844a67d6dac2277f044f2c874
SHA51226e1e535c299a9bfe068424ac0605927add88a2f0bd2af7e7abc8405ffbb3a18987b7c89afb04e39f3fb5d091a23422ab0bb12f4c7b517e0039116003d49a108
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD59131588d8bfc5eb25b9cba78839d300f
SHA1f4224adafc3a19998b3dffcea73a37d97a6aea5e
SHA256a923b8b5d69434c7b9af119fb2465eec45851791eede9a26bb86227460ce557a
SHA5126625f5b5b9c6f11b445725f282a7882a19c1a3cd3e1d56afdedb3bf2168a2bf4a8404ecadbf1339ea7fceef6f6d1414f44930aaa9ca7e63f0b77a360f162fb26
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C:\Users\Admin\AppData\Local\04ea52be-619b-4a9a-bbfd-ae798be2baea\e02fd1eee5d9fc50ac508abf6896982e_JaffaCakes118.exe
Filesize735KB
MD5e02fd1eee5d9fc50ac508abf6896982e
SHA17c93d2e15ef9201a6f7154f924f2acd05b62511c
SHA256488fc31a56df22ee62120505326df0699627525c17fbdde472437f447ba2b779
SHA5121e78d958c25e41b217b0b5ac97b5fa0c643a6d8a997314d8d531372e497357e863792446bd812228d9a1b4aec054be3504d8337df6515535c69efca0e0bd6314