Behavioral task
behavioral1
Sample
SolaraBootstrapper.exe
Resource
win10v2004-20240709-en
General
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Target
SolaraBootstrapper.exe
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Size
9.5MB
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MD5
4050f2027e946d524e3a1078a6cd5419
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SHA1
698f02a2826e7d6ecfebf37b04f0231c904133eb
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SHA256
2cecd998dd0dda41ee0aefbd0c6a490fb42cb506fcfb2e1dafc0a89b781af9ab
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SHA512
fed614ebd8197c8809d32e0437dd49fd87640d3fbe0ae806479e79f2480975e404306821c43e726b55d17c02298bb088175ee079bc88d8a8fe942f3d4cd9afab
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SSDEEP
196608:HE7JB0tYrXLW+d7UcIxptvyUQymRDSI1WCOK5nQ:HE9B0OjrdLK4J/FQ
Malware Config
Signatures
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resource yara_rule sample dcrat -
Dcrat family
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule sample net_reactor -
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
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 124B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 1KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 770B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 456B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 9.5MB - Virtual size: 9.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ