Resubmissions
27-02-2024 22:24
240227-2bnb3sdb2x 1027-02-2024 22:23
240227-2a4mnsda9s 1027-02-2024 22:21
240227-19v9xach75 1027-02-2024 22:20
240227-186dgsda5s 10Analysis
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max time kernel
1560s -
max time network
1564s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
27-02-2024 22:20
General
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Target
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Size
1.4MB
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MD5
63210f8f1dde6c40a7f3643ccf0ff313
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SHA1
57edd72391d710d71bead504d44389d0462ccec9
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SHA256
2aab13d49b60001de3aa47fb8f7251a973faa7f3c53a3840cdf5fd0b26e9a09f
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SHA512
87a89e8ab85be150a783a9f8d41797cfa12f86fdccb48f2180c0498bfd2b1040b730dee4665fe2c83b98d436453680226051b7f1532e1c0e0cda0cf702e80a11
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SSDEEP
12288:WZgSKWk54jeg6lL5assQHtzV2KoLJ+PwXxwuLSJ8slf1zMr6iL/KNDx2PIXe2Q:KgoLetlLS8tz6V+PwD0XVMrXCNDxtK
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\[email protected]"C:\Users\Admin\AppData\Local\Temp\[email protected]"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
65KB
MD5be3e40ed329940177e136f4be081a25a
SHA1eb8818a39641309aead77170c9e979c8e8742c86
SHA256a079594b08c4edbc7c64e4633afa27dc4170e717d268470a2c616bd58a185edb
SHA512d4ab9e004bdd364ced503b3d2bf1107c03579183c53c5785464cadee99f27748c589601b5c5abe4728f8d797474e31dadd2bc2138e27b1448e70983ce0b6dbda
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Filesize
824KB
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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
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Filesize
1.9MB
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Filesize
1.9MB