Behavioral task
behavioral1
Sample
c337fc48520fc4fbc7adc44c388ff02b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c337fc48520fc4fbc7adc44c388ff02b.exe
Resource
win10v2004-20240226-en
General
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Target
c337fc48520fc4fbc7adc44c388ff02b
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Size
591KB
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MD5
c337fc48520fc4fbc7adc44c388ff02b
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SHA1
a34b9ed4c947e6874cc8ed57261c6165bd173a7e
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SHA256
73efc6a072bd80759b6c6a07f663915524859474dc26d4320b526a087bb6167a
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SHA512
dde9b20adce940ccc64cb5d087ff4ad706a01e4cfbc63dd3128c9d87cfb1324357ba35ca3ec8b188cb5db36b3eee40c6ca6cca8efd56a0f33e23c20f6a87e246
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SSDEEP
12288:tnhqEEs8BRytUJknlnsVSGVdXsX80zebIzOo:W5syetlgVdOe
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource c337fc48520fc4fbc7adc44c388ff02b unpack001/out.upx
Files
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c337fc48520fc4fbc7adc44c388ff02b.exe windows:5 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 1.1MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 428KB - Virtual size: 428KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 162KB - Virtual size: 164KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
.text Size: 1.2MB - Virtual size: 1.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.itext Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 21KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.didata Size: 1024B - Virtual size: 792B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 60B
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: 105KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 192KB - Virtual size: 192KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ