Behavioral task
behavioral1
Sample
SolaraBootstrapper.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
SolaraBootstrapper.exe
Resource
win10v2004-20240802-en
General
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Target
SolaraBootstrapper.exe
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Size
3.2MB
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MD5
a9f17939e061e0511410aaf77087b02d
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SHA1
554dc5ce2b0af194364833ea517a4089794fe97e
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SHA256
19b98f9d5364599c870fa967e544634a635c358b3ed7208d5fc563c95a26e7e2
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SHA512
4320694375b559ddcb6722d445e9509076f384271aa4445116f5b72a824a33df0aad1d29354b046964050a9676ce6e04e806046870064fe9b70512d99896adc4
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SSDEEP
24576:7u+wImf9OPXCQYpd0naDrvqjo44E9gzfyYVGSyF+ZjyFJX/oekGTP/JCF1eQ8uW:TO9OPXCYPD4mgRVIJ/vNQ8
Malware Config
Signatures
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Chaos Ransomware 1 IoCs
resource yara_rule sample family_chaos -
Chaos family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SolaraBootstrapper.exe
Files
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SolaraBootstrapper.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.2MB - Virtual size: 3.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ