Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
resource tags
arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2022 20:52
Static task
static1
Behavioral task
behavioral1
Sample
4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe
Resource
win10v2004-20220414-en
General
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Target
4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe
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Size
1.5MB
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MD5
281807e988abfa257ae2d9d19a393bf2
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SHA1
e6ec78c8676eb520f7f38f70efae980c57273468
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SHA256
4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011
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SHA512
ef584226d7249ecb20accfaef20aab55ae2f88208b4fba0cc51918c7edba647f605a770695f95b877ed4d6e44d242f34389a39d46481c79e659f2d0ca16ed30c
Malware Config
Signatures
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Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
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Processes:
resource yara_rule behavioral2/memory/4336-131-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4336-132-0x0000000000400000-0x0000000000608000-memory.dmp upx behavioral2/memory/4336-134-0x0000000000400000-0x0000000000608000-memory.dmp upx -
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 2 IoCs
Processes:
4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ 4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\"" 4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exepid Process 4336 4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe 4336 4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe 4336 4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe 4336 4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe"C:\Users\Admin\AppData\Local\Temp\4fbfd5e36d68ac9088f4b93b8cebd505eaa9945f26e6c5ad30e059053e1fc011.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4336