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
42cd418e50599036f45acf1e639fb132
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SHA1
708932af15b8b01349f37adb246206408b22d807
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SHA256
7147f433db58190a7b35946752424a8e95fb7e45a3c6f4c1b24abc029c69bbcf
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SHA512
f4243c7ffbb7fe2b9717a995f8f65c16b518d336db2b2556a44d7396558f3246f650b5166a69019adead424d2c78bb09a651436cae9034fb6f1cced3e23a1326
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SSDEEP
196608:gwCE7JB0tYrXLW+d7UcIxptvyUQymRDSI1WCOK5l:gwCE9B0OjrdLK4J/7
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