Analysis
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max time kernel
16s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
22-08-2024 20:22
Behavioral task
behavioral1
Sample
2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe
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Size
738KB
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MD5
c3401fc4603ce678596ae40f8bb194e9
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SHA1
7786d4c9d942f9d3f78f873e7a9602701297853b
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SHA256
4f3c2e4fc7b10e68fabf7e4a15b02f28fe27ee84fa3843ceafacc7084da79434
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SHA512
ae9430dec06833f1a9a672c319ae9899fbc2546b03305acd66c3b1c4de246f67fb11552c6d3e9b6cb1ada67ef41aabd8490459a2872a02d48222436f449ade0c
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SSDEEP
6144:P5dkccXS5yMJncAlhkQiaBhoIudR38ZJJchBRsZVCw+r9oMQzEua:PkccXS5yMxcAlDVBhotR+2bd2yF
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
chaos
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 3 IoCs
resource yara_rule behavioral1/memory/2500-1-0x00000000012C0000-0x000000000137E000-memory.dmp family_chaos behavioral1/memory/2684-13-0x00000000012F0000-0x00000000013AE000-memory.dmp family_chaos behavioral1/files/0x0034000000016433-12.dat family_chaos -
Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions svchost.exe -
Looks for VMWare Tools registry key 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools svchost.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2684 svchost.exe -
Loads dropped DLL 2 IoCs
pid Process 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2684 svchost.exe -
Drops desktop.ini file(s) 6 IoCs
description ioc Process File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-2172136094-3310281978-782691160-1000\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe Token: SeDebugPrivilege 2684 svchost.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2500 wrote to memory of 2684 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 30 PID 2500 wrote to memory of 2684 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 30 PID 2500 wrote to memory of 2684 2500 2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe 30 PID 2684 wrote to memory of 2672 2684 svchost.exe 32 PID 2684 wrote to memory of 2672 2684 svchost.exe 32 PID 2684 wrote to memory of 2672 2684 svchost.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-22_c3401fc4603ce678596ae40f8bb194e9_wannacry.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Drops desktop.ini file(s)
- Maps connected drives based on registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2684 -s 7963⤵PID:2672
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
738KB
MD5c3401fc4603ce678596ae40f8bb194e9
SHA17786d4c9d942f9d3f78f873e7a9602701297853b
SHA2564f3c2e4fc7b10e68fabf7e4a15b02f28fe27ee84fa3843ceafacc7084da79434
SHA512ae9430dec06833f1a9a672c319ae9899fbc2546b03305acd66c3b1c4de246f67fb11552c6d3e9b6cb1ada67ef41aabd8490459a2872a02d48222436f449ade0c
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Filesize
964B
MD54217b8b83ce3c3f70029a056546f8fd0
SHA1487cdb5733d073a0427418888e8f7070fe782a03
SHA2567d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
SHA5122a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740
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Filesize
39KB
MD5d80d1b6d9a6d5986fa47f6f8487030e1
SHA18f5773bf9eca43b079c1766b2e9f44cc90bd9215
SHA256446128f1712da8064d0197376184315cb529ed26ed9122f7b171bb208e22c0c3
SHA5129fcf0105c2c9ee81c526d41633d93579bb8e2837989d77fb4a6523440415ec2d7fa46ac9ae4e55ecebd99126837817ac308cc079475de02667b21727a43d74cc