521c87f04d607ffe7db428cdd1a2836d

General

Target

521c87f04d607ffe7db428cdd1a2836d
Size

2.9MB
MD5

521c87f04d607ffe7db428cdd1a2836d
SHA1

0a9d15402457bd2e73b7e5ede8997f2fd071eee3
SHA256

137f37682731957b2f00bbf24b15e810e7a5b2690ff84a7610ea6cdeff7b765f
SHA512

ef8faa857c91748d9fd45319088471beebf267fb80495bbc749d0283c1f4bb52e098afb79d90fd8b0160b25e47b114b0cb922b8f8a0d1ad938e8ef305c8fdd55
SSDEEP

49152:EUyIEBaWYgW9noZzigHVdKAXlnU2YkR6cbMvkZIcV0Z70fNVRw2YxJuXWmFrk4wq:fIaiW9noZzigHVdKElnU2Ye64Ms6cV0K

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
521c87f04d607ffe7db428cdd1a2836d
unpack001/out.upx

Files

521c87f04d607ffe7db428cdd1a2836d
.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: 5.0MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 2.9MB - Virtual size: 2.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 4KB

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: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 185KB - Virtual size: 184KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 22KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 14KB - Virtual size: 14KB

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: 176KB - Virtual size: 175KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 5.5MB - Virtual size: 5.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 5.0MB

UPX1 Size: 2.9MB - Virtual size: 2.9MB

.rsrc Size: 3KB - Virtual size: 4KB

Headers

File Characteristics

Sections

.text Size: 2.0MB - Virtual size: 2.0MB

.itext Size: 6KB - Virtual size: 6KB

.data Size: 185KB - Virtual size: 184KB

.bss Size: - Virtual size: 22KB

.idata Size: 14KB - Virtual size: 14KB

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

.tls Size: - Virtual size: 64B

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

.reloc Size: 176KB - Virtual size: 175KB

.rsrc Size: 5.5MB - Virtual size: 5.5MB

UPX0
Size: - Virtual size: 5.0MB

UPX1
Size: 2.9MB - Virtual size: 2.9MB

.rsrc
Size: 3KB - Virtual size: 4KB

.text
Size: 2.0MB - Virtual size: 2.0MB

.itext
Size: 6KB - Virtual size: 6KB

.data
Size: 185KB - Virtual size: 184KB

.bss
Size: - Virtual size: 22KB

.idata
Size: 14KB - Virtual size: 14KB

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

.tls
Size: - Virtual size: 64B

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

.reloc
Size: 176KB - Virtual size: 175KB

.rsrc
Size: 5.5MB - Virtual size: 5.5MB