Keygen[.]exe | Triage

General

Target

Keygen.exe
Size

262KB
MD5

69cc499eb5ce545cd0f1f1695055f7e7
SHA1

d62b8c29ba895dd86a03c1af5a47359362e31357
SHA256

09ac1ea557ac386976ab08915fe6d1ba0f41b37436d07c8f8953d747cd88e9f1
SHA512

a8b1b3aa23f2be7c4142bd8627410892f965c6178e563858ef0136529c281b4ecab349938565ac0693bb5bda647266f385599b6544e34c492374e5f1d9403698
SSDEEP

3072:GlN3p/0AZ1a4YpjPWUZ7IS2bpE+/MQqZUB1njgQwiq1K2egmcPyOHgSbPZ5IrBE8:Gf5XmvIPG+aZ2nj7rq1T82WymOadTo

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 400KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 224KB - Virtual size: 228KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 36KB - Virtual size: 40KB

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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

.text
Size: 461KB - Virtual size: 461KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 19KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 56B

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: 28KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 61KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 400KB

UPX1 Size: 224KB - Virtual size: 228KB

.rsrc Size: 36KB - Virtual size: 40KB

Headers

File Characteristics

Sections

.text Size: 461KB - Virtual size: 461KB

.itext Size: 2KB - Virtual size: 2KB

.data Size: 9KB - Virtual size: 9KB

.bss Size: - Virtual size: 19KB

.idata Size: 10KB - Virtual size: 9KB

.tls Size: - Virtual size: 56B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 28KB - Virtual size: 27KB

.rsrc Size: 61KB - Virtual size: 61KB

UPX0
Size: - Virtual size: 400KB

UPX1
Size: 224KB - Virtual size: 228KB

.rsrc
Size: 36KB - Virtual size: 40KB

.text
Size: 461KB - Virtual size: 461KB

.itext
Size: 2KB - Virtual size: 2KB

.data
Size: 9KB - Virtual size: 9KB

.bss
Size: - Virtual size: 19KB

.idata
Size: 10KB - Virtual size: 9KB

.tls
Size: - Virtual size: 56B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 28KB - Virtual size: 27KB

.rsrc
Size: 61KB - Virtual size: 61KB