a3a91cfdfec0bc52e2e15892046afd1f

General

Target

a3a91cfdfec0bc52e2e15892046afd1f
Size

302KB
MD5

a3a91cfdfec0bc52e2e15892046afd1f
SHA1

97889efa778d8bbc732458cca99ba70daea84b61
SHA256

fed87dc9a5234231d9d9bf88ab32d4b0dca349e149a8b029b5beb27363b2e8e2
SHA512

5015b863c1140cb02a37e3a8c9ec936752a56910fc41b6c66e486b9adb97d30604c90168ef1734c7dae7f5e8c1941f5056587a9453783e6bdca7623292995b20
SSDEEP

6144:mbDAwnbA9Bj4fY18h5wOYJ3KuPS7ZTJa9JZRNp0eDEHGlZNtevu4:2n8zcffwxpNJD/Nt

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
a3a91cfdfec0bc52e2e15892046afd1f
unpack001/out.upx

Files

a3a91cfdfec0bc52e2e15892046afd1f
.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: 6.2MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 287KB - Virtual size: 288KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 14KB - Virtual size: 16KB

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

CODE
Size: 489KB - Virtual size: 488KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 4KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 16B

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: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 5.9MB - Virtual size: 5.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 6.2MB

UPX1 Size: 287KB - Virtual size: 288KB

.rsrc Size: 14KB - Virtual size: 16KB

Headers

File Characteristics

Sections

CODE Size: 489KB - Virtual size: 488KB

DATA Size: 8KB - Virtual size: 7KB

BSS Size: - Virtual size: 4KB

.idata Size: 9KB - Virtual size: 8KB

.tls Size: - Virtual size: 16B

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

.reloc Size: 40KB - Virtual size: 39KB

.rsrc Size: 5.9MB - Virtual size: 5.9MB

UPX0
Size: - Virtual size: 6.2MB

UPX1
Size: 287KB - Virtual size: 288KB

.rsrc
Size: 14KB - Virtual size: 16KB

CODE
Size: 489KB - Virtual size: 488KB

DATA
Size: 8KB - Virtual size: 7KB

BSS
Size: - Virtual size: 4KB

.idata
Size: 9KB - Virtual size: 8KB

.tls
Size: - Virtual size: 16B

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

.reloc
Size: 40KB - Virtual size: 39KB

.rsrc
Size: 5.9MB - Virtual size: 5.9MB