Behavioral task
behavioral1
Sample
f146aa680429025a59fca108af3b793dac00bd240885d2cd10a56c376f834f2d.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
f146aa680429025a59fca108af3b793dac00bd240885d2cd10a56c376f834f2d.exe
Resource
win10v2004-20230703-en
General
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Target
f146aa680429025a59fca108af3b793dac00bd240885d2cd10a56c376f834f2d
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Size
3.7MB
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MD5
4bd9a90ce994951ab208a023f7600ad4
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SHA1
de36b80d09938257c9ba794ab8e41f1917350935
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SHA256
f146aa680429025a59fca108af3b793dac00bd240885d2cd10a56c376f834f2d
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SHA512
de651a15d81e572613874fe195fcdc4d988db58f74a772ba6c90af36b5c22d685b579f78958c45ac35747de791a0bdda87af4a10cbd12beb539c0367ad6f10e3
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SSDEEP
98304:xDUZkSKndFZfuzRsV1T+eUEUVbysB6M0XIiPw:B/nd7fuzRuUlB6M0X3
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 f146aa680429025a59fca108af3b793dac00bd240885d2cd10a56c376f834f2d
Files
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f146aa680429025a59fca108af3b793dac00bd240885d2cd10a56c376f834f2d.exe windows 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: - Virtual size: 220KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
UPX1 Size: 3.7MB - Virtual size: 3.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE