Behavioral task
behavioral1
Sample
SolaraBootstrapper.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
.pyc
Resource
win10v2004-20240426-en
General
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Target
SolaraBootstrapper.exe
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Size
13.3MB
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MD5
5d7b169bf22ca97189baabd62caae92c
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SHA1
91af126cee5fae4ef71661b23b54cd8f37040b7a
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SHA256
c6efea7305a0d9b9b3af0b428ed43800ad737694d50cab1bb34a15d9448395bd
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SHA512
6d36b4f58e5f9082f0f3ae952cee19a91a9ca31e2ca310c863f2a6a97e3b52648a8e66e30cb4fb61914142da14fc741c56ce001ab8c23f88794391f9031c7849
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SSDEEP
393216:XKis8p4KnavKIyMurEUWjJjIfoo4jLxhI:bnevKPMdbJ8fUnxhI
Malware Config
Signatures
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A stealer written in Python and packaged with Pyinstaller 1 IoCs
Processes:
resource yara_rule static1/unpack001/.pyc blankgrabber -
Blankgrabber family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
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: 13.3MB - Virtual size: 13.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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.pyc