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Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
12/10/2023, 16:44
General
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Target
3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe
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Size
283KB
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MD5
2773e3dc59472296cb0024ba7715a64e
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SHA1
27d99fbca067f478bb91cdbcb92f13a828b00859
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SHA256
3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
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SHA512
6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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SSDEEP
6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
Malware Config
Signatures
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Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
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Renames multiple (221) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe"C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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Filesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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Filesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
4.8MB
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Filesize
624KB
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Filesize
64KB
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Filesize
224KB
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Filesize
64KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
64KB
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Filesize
9.6MB
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Filesize
32KB
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Filesize
9.6MB
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Filesize
64KB
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Filesize
9.6MB