Behavioral task
behavioral1
Sample
21740dbbcfd49e42469ebcf203adc4cc.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
21740dbbcfd49e42469ebcf203adc4cc.exe
Resource
win10v2004-20231215-en
General
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Target
21740dbbcfd49e42469ebcf203adc4cc
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Size
2.1MB
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MD5
21740dbbcfd49e42469ebcf203adc4cc
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SHA1
d2c24705dd926464d688d38105174925db61bb08
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SHA256
04d04001fb8f0066104f5485ff44732662aa2661bb45dfee81d256be3f4800b5
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SHA512
f8765917d86faa74ef3034705dd5f24cd5938bf9baa7ba9273e6b981aa026910eab550901647d374b0a00dff37be199bc6445c7563cae6bab680aad94f1b84a1
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SSDEEP
49152:yOEiLj+kCZufc2lmjQXF9f3wsuss6vtryGQgQSn7V4EawZWMqTkJJ8y5:y/aj+kCZuZlepw8s8
Malware Config
Signatures
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Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule sample patched_upx -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 21740dbbcfd49e42469ebcf203adc4cc
Files
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21740dbbcfd49e42469ebcf203adc4cc.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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 296KB - Virtual size: 296KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE