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
7d9b8cef5925d1a700d720743bf61865
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SHA1
10321760a98c0220be157441ae0516a5003ceba3
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SHA256
1f3a8ed14dcf8dd8b4a88787b08163b9e9d65d999e61645b90c0c91b6a8f71fd
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SHA512
793cf9f9641cd3c79fdba67af80d4ecf4b17ba4c151cc4696504740db64aaf309caeec1497273092a825e3543109f1172648193b9ae8a15d57b1501b74d2f8a9
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SSDEEP
196608:ZE7JB0tYrXLW+d7UcIxptvyUQymRDSI1WCOK5d66w:ZE9B0OjrdLK4J/n66w
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