31f44146db7f65b723db956988712e88

General

Target

31f44146db7f65b723db956988712e88
Size

874KB
MD5

31f44146db7f65b723db956988712e88
SHA1

901fbd22867dd3b0a8c10e862f2d69a7ac216c76
SHA256

705055231166ff7acdbea86c7bb7f425c0e5e1e7ebc076ed3fb4e4903044ecf7
SHA512

ff3b73fb2d9d4734c48aac12d55302d786c644150848e07a175ab3b06accda1af4f8eabfcaaeee3545b3657b127e9fb94ef6b6b0bae9c80306fde5632396c4cd
SSDEEP

24576:o8FCKFnw3lfd6nOEA78bEmmhR8WC87GRYeS3Kmhmgbj:o8FCYw3lfwnuQbE/RHDP6mx

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
31f44146db7f65b723db956988712e88
unpack001/out.upx

Files

31f44146db7f65b723db956988712e88
.exe windows:5 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: 1.8MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 820KB - Virtual size: 824KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 45KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 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: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 21KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 64B

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: 182KB - Virtual size: 182KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 252KB - Virtual size: 252KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.8MB

UPX1 Size: 820KB - Virtual size: 824KB

.rsrc Size: 45KB - Virtual size: 48KB

Headers

File Characteristics

Sections

.text Size: 2.1MB - Virtual size: 2.1MB

.itext Size: 8KB - Virtual size: 7KB

.data Size: 44KB - Virtual size: 43KB

.bss Size: - Virtual size: 21KB

.idata Size: 15KB - Virtual size: 15KB

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

.tls Size: - Virtual size: 64B

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

.reloc Size: 182KB - Virtual size: 182KB

.rsrc Size: 252KB - Virtual size: 252KB

UPX0
Size: - Virtual size: 1.8MB

UPX1
Size: 820KB - Virtual size: 824KB

.rsrc
Size: 45KB - Virtual size: 48KB

.text
Size: 2.1MB - Virtual size: 2.1MB

.itext
Size: 8KB - Virtual size: 7KB

.data
Size: 44KB - Virtual size: 43KB

.bss
Size: - Virtual size: 21KB

.idata
Size: 15KB - Virtual size: 15KB

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

.tls
Size: - Virtual size: 64B

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

.reloc
Size: 182KB - Virtual size: 182KB

.rsrc
Size: 252KB - Virtual size: 252KB