Behavioral task
behavioral1
Sample
keygen.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
keygen.exe
Resource
win10v2004-20230915-en
General
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Target
keygen.exe
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Size
55KB
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MD5
1736e4caf97221a945bdcafac911fb90
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SHA1
0de5eed3917dcf4821b874e0ffc373cc5cc61e4f
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SHA256
951ed5c96020e9a6f61405b7888d2b82944f6c0c0a8489c15a116d69e3a615b6
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SHA512
d7ee3b2767300fe8e791a7ef29f2ebf727b4e1651af7fdc89a26a8f420ac72f43bea7e68ba68f08b8cec195a50aef2907b1abd6073db91b5a1de6a28a7e87256
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SSDEEP
1536:jIYd6dWsOv3SB/KGz3R9YZ3t4SkHokrdRncohx:jTsdQKtzRiZiSEhrPn
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource keygen.exe unpack001/out.upx
Files
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keygen.exe.exe windows:4 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
Sections
UPX0 Size: - Virtual size: 204KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 43KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 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
Sections
.text Size: 46KB - Virtual size: 46KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 172KB - Virtual size: 171KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ