Behavioral task
behavioral1
Sample
SolaraBootstrapper.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SolaraBootstrapper.exe
Resource
win10v2004-20240508-en
General
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Target
SolaraBootstrapper.exe
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Size
2.6MB
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MD5
bf3f5123a1a71b1f9f235cbc325d1c70
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SHA1
4eb19a43f14f689f1ee05836022918c8f175d057
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SHA256
4a8f10759984f27edaed60d418d231f564c406817b6398f462daa3deb8a05867
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SHA512
36031872fbc6774cc15b7d66a3f9dc5fb27a5fd5a8d3fff0fa0d282cac26ddf425c76c9e2c3f5204266c5419e435cf6727a9770764e55381561c35764acd5083
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SSDEEP
49152:8xmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyx0:8xx9NUFkQx753uWuCyyx0
Malware Config
Signatures
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resource yara_rule sample themida -
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_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
Size: 34KB - Virtual size: 100KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 7B - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 3.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 2.2MB - Virtual size: 2.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ