4fc9b77fc88384ac3ce12c9e2b1b964b | Triage

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General

Target

4fc9b77fc88384ac3ce12c9e2b1b964b
Size

6KB
MD5

4fc9b77fc88384ac3ce12c9e2b1b964b
SHA1

21077a71e33e1fcc45962d0807104977e858cd4f
SHA256

75d856528a7d42f64128d3012f1cc16c09d92b4cfc9e5ec9a71631ed4e6fc2a5
SHA512

cfb148fb6e4a15b873790f35ab47fa343d3336c14a7f7f876cb70ab6fe72a2e12281fbc3ee4f8ad36be5557b5199337e960643a7a771d029c1941e818bf703b0
SSDEEP

96:nnmIoDxHbbmAYACkNERJfDdrEc+wXR7u6++lY8NbrvdYo:nMVPojkN4ZJL9++lNv5

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
4fc9b77fc88384ac3ce12c9e2b1b964b
unpack001/out.upx

Files

4fc9b77fc88384ac3ce12c9e2b1b964b
.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: 16KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 5KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX2
Size: 512B - 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: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 624B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE