keygen[.]exe | Triage

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General

Target

keygen.exe
Size

23KB
MD5

1f80a4aa2718cc08eac41b90c40d62e2
SHA1

0b2dc8b29fc6bccb7f82adda9bff840b37108da4
SHA256

0204266ab2866788326327171d2504421f3773a5c1cfe70e60b14d448e5fb90a
SHA512

12805ccc9a5092b7748325406b8ab57d65cbec6afe8cd28d42886372f938c600b670df67b253f36f75f5dd7c9d4632d3f9289e295f530d013d95e805d4deb23f
SSDEEP

384:ZlzmkQuSAj0cIYtsNnalwgy6sUU/L+ZNGiwcuhFqvklaYe68I46Q:7mJ0wT6sUU/iGiFuhsSSI

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
sample	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
keygen.exe
unpack001/out.upx

Files

keygen.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

UPX0
Size: - Virtual size: 32KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 18KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.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

.text
Size: 32KB - Virtual size: 29KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 12KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ