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09-10-2023 22:49
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210306-e542m4kcwn 1009-11-2020 19:51
201109-ldpapz7ekx 10Analysis
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max time kernel
25s -
max time network
27s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 19:51
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe
Resource
win10v20201028
General
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Target
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe
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Size
291KB
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MD5
5a5c745bf3e97fe2be01880132662f28
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SHA1
924af25d379fc88319bc55958db898dbf5054309
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SHA256
0ec947a4f30a6ad7d055c72f5d6c1ffe7a538349f41e8156e9aa5c7a8b0d7811
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SHA512
151e4a07e19350d677e049c57c971b64924150eec007e665843cb6142ec73fc06ae4145c64164d3f7f25a376a7536ac6d9b3c85180503549a0c86f09cc0ded10
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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Executes dropped EXE 1 IoCs
Processes:
drpbx.exepid process 2004 drpbx.exe -
Loads dropped DLL 1 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exepid process 684 SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe" SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exedrpbx.exedescription pid process Token: SeDebugPrivilege 684 SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe Token: SeDebugPrivilege 2004 drpbx.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exedescription pid process target process PID 684 wrote to memory of 2004 684 SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe drpbx.exe PID 684 wrote to memory of 2004 684 SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe drpbx.exe PID 684 wrote to memory of 2004 684 SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe drpbx.exe PID 684 wrote to memory of 2004 684 SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe drpbx.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- 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\SecuriteInfo.com.BehavesLike.Win32.Generic.dc.28918.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Drpbx\drpbx.exeMD5
5a5c745bf3e97fe2be01880132662f28
SHA1924af25d379fc88319bc55958db898dbf5054309
SHA2560ec947a4f30a6ad7d055c72f5d6c1ffe7a538349f41e8156e9aa5c7a8b0d7811
SHA512151e4a07e19350d677e049c57c971b64924150eec007e665843cb6142ec73fc06ae4145c64164d3f7f25a376a7536ac6d9b3c85180503549a0c86f09cc0ded10
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\Users\Admin\AppData\Local\Drpbx\drpbx.exeMD5
5a5c745bf3e97fe2be01880132662f28
SHA1924af25d379fc88319bc55958db898dbf5054309
SHA2560ec947a4f30a6ad7d055c72f5d6c1ffe7a538349f41e8156e9aa5c7a8b0d7811
SHA512151e4a07e19350d677e049c57c971b64924150eec007e665843cb6142ec73fc06ae4145c64164d3f7f25a376a7536ac6d9b3c85180503549a0c86f09cc0ded10
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memory/684-0-0x0000000001F00000-0x0000000001F11000-memory.dmpFilesize
68KB
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memory/2004-2-0x0000000000000000-mapping.dmp
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memory/2004-4-0x0000000001F70000-0x0000000001F81000-memory.dmpFilesize
68KB