Resubmissions
30-06-2024 00:59
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240618-q2vcjawdle 10Analysis
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max time kernel
1800s -
max time network
1564s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
30-06-2024 00:59
General
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Target
Documents/Ransomware.Jigsaw/jigsaw.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 (2015) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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 behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 64 IoCs
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Suspicious use of SendNotifyMessage 64 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Documents\Ransomware.Jigsaw\jigsaw.exe"C:\Users\Admin\AppData\Local\Temp\Documents\Ransomware.Jigsaw\jigsaw.exe"1⤵
- 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\Documents\Ransomware.Jigsaw\jigsaw.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\invalid32x32.gif.funFilesize
160B
MD5580ee0344b7da2786da6a433a1e84893
SHA160f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e
SHA25698b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513
SHA512356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba
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C:\Users\Admin\AppData\Local\Drpbx\drpbx.exeFilesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\container.dat.funFilesize
16B
MD58ebcc5ca5ac09a09376801ecdd6f3792
SHA181187142b138e0245d5d0bc511f7c46c30df3e14
SHA256619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880
SHA512cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650
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memory/1860-13-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/1860-2040-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/1860-11-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/1860-2045-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/1860-12-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/1860-2037-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/1860-248-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/2604-2-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/2604-1-0x0000000000460000-0x0000000000498000-memory.dmpFilesize
224KB
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memory/2604-0-0x000007FEF535E000-0x000007FEF535F000-memory.dmpFilesize
4KB
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memory/2604-6-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/2604-10-0x000007FEF50A0000-0x000007FEF5A3D000-memory.dmpFilesize
9.6MB
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memory/2924-2041-0x0000000140000000-0x00000001405E8000-memory.dmpFilesize
5.9MB
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memory/2924-2042-0x0000000140000000-0x00000001405E8000-memory.dmpFilesize
5.9MB
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memory/2924-2043-0x0000000140000000-0x00000001405E8000-memory.dmpFilesize
5.9MB
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memory/2924-2044-0x0000000140000000-0x00000001405E8000-memory.dmpFilesize
5.9MB
