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240407-kb3y4ahd25 10Analysis
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max time kernel
840s -
max time network
837s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
07-04-2024 08:26
General
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Target
095b7c9aafb975f3732092b03b97ff4f.exe
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Size
1.4MB
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MD5
095b7c9aafb975f3732092b03b97ff4f
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SHA1
db77f3b9c3db3f5d016221471f828fbb06e740f7
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SHA256
8827d1935a406a4a39e3da4b8c994753d7cbddf55ea386ac1bdfe17cf2a6f6f1
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SHA512
29612b32e2e6e9723e2041ee20f7df05ca7d18828270444a4d12b5ee5e2641a149f9880d84cc83054a9f768eeea43bc27fccc81187b97363321e10572285a05a
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SSDEEP
12288:WZgSKWk54jeg6lL5assQHtzV2KoLJ+PwXxwuLSJ8slf1zMr6iL/KNDx2PIXekQ:KgoLetlLS8tz6V+PwD0XVMrXCNDxtY
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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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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UPX packed file 64 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Sets desktop wallpaper using registry 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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Interacts with shadow copies 2 TTPs 3 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\095b7c9aafb975f3732092b03b97ff4f.exe"C:\Users\Admin\AppData\Local\Temp\095b7c9aafb975f3732092b03b97ff4f.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe List Shadows2⤵
- Interacts with shadow copies
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
95KB
MD512d50ef542f353beba345dabb11bc95f
SHA1d6256bf310dd2448418c4b4d5ead768eff50f119
SHA2564595890850b72808d7ce26a10739f07278537e063e5d3aad59050d63edfa0f95
SHA512a952d7443a3a6cd5a30e1799bd016ad233c1359aafec6a73945ce4e9241e89c96f0eea12406139faf8cee939e9c590d4da91ca052ff50df8c1d4190f8028848e
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Filesize
824KB
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Filesize
1.9MB
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Filesize
1.9MB
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Filesize
1.9MB
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Filesize
1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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1.9MB
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Filesize
1.9MB
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Filesize
1.9MB
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Filesize
1.9MB
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Filesize
1.9MB
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Filesize
1.9MB