Analysis
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max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
08-03-2023 21:06
Static task
static1
Behavioral task
behavioral1
Sample
lpo0803023.js
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
lpo0803023.js
Resource
win10v2004-20230220-en
General
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Target
lpo0803023.js
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Size
944KB
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MD5
9468e52b7db9abd87f4ad0ea4d6b7094
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SHA1
c73c502a0f2dddf1f7c609ecf799cb84e88c9538
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SHA256
85214124920f091cb6a7c4ec3f7a3a1ee6fda2bca74024d27bf0195659d4e3c5
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SHA512
88209dbab8a792f342c77b6badbae14c533f0ef1e9c1a6e09f336cf85a2b0de75ce54e119c75f1ca065d0d7c1647ee9b972aef91e081392f3c6ed3b150a54c85
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SSDEEP
12288:NquDUbRxMdDpPwIVED6pqLooV6Ffpz9As6h1e1+CexLMEfvPFHF7Bp1VsdTSFRe0:NuRxMbPREDv0m6FfpZoh7C4LHvBHCcx1
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
java.exejavaw.exepid process 208 java.exe 368 javaw.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
wscript.exejavaw.exedescription pid process target process PID 3736 wrote to memory of 368 3736 wscript.exe javaw.exe PID 3736 wrote to memory of 368 3736 wscript.exe javaw.exe PID 368 wrote to memory of 208 368 javaw.exe java.exe PID 368 wrote to memory of 208 368 javaw.exe java.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\lpo0803023.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\yzissziui.txt"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.73083685704749016214972810910295292.class3⤵
- Suspicious use of SetWindowsHookEx
PID:208
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
50B
MD5e18aa3e3f0818b28cf8e764d0cab5a3d
SHA159f301b677a5adfcc84e6b9bcff7067307cc5fdc
SHA256ae56932cb66cc8a6b204103db8c7ed62361f85c72b7d33bb370dc6899c2ffcee
SHA512e3180151ca82b901b59298fe6751d5857b91067ee552d026e6a53a228191f1946975eacdb193e366197d576bb799c71b45a40084a16953414c7042e9e18277c3
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Filesize
241KB
MD5781fb531354d6f291f1ccab48da6d39f
SHA19ce4518ebcb5be6d1f0b5477fa00c26860fe9a68
SHA25697d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
SHA5123e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2275444769-3691835758-4097679484-1000\83aa4cc77f591dfc2374580bbd95f6ba_6d187d53-139c-415c-b71c-a4b59992e636
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
479KB
MD5b24e91a84b545272a1db14b7c51454a2
SHA1c60cadf28effbb13c04a7ebc7a06ba0bf39d3cff
SHA2566e6ce859a4d92637ee15aece3aa00de9737b6fb8433ff1e299c53b2fe08a2f49
SHA5129fca84202592bc0be3df8ff14a30c54e778fd6ab727e6cc59525aa66a3a545df076881e5fb6e2517fda51998188321953c2a28a91659e2f79cf9e1e79a8b173a