b77b5bf55d7f2883535b416c6c09d8a2 | Triage

Sharing

General

Target

b77b5bf55d7f2883535b416c6c09d8a2
Size

21KB
MD5

b77b5bf55d7f2883535b416c6c09d8a2
SHA1

14622061c1606ef6fcfe454e368dbea9bede1a90
SHA256

c13bcb9e10c5cd2a889f03a51ead2ca11cc76253e565602e30220335f5201d69
SHA512

0b4a21987e3ccef2f9aaf560bd77f33c9a1dce32f1ccc1d4fd1179eea4561a2dae1d88c8b6ec32999cbe5abab3c9167ee463992ad813f3a6b9b4966ad0fab6fd
SSDEEP

384:XGB8vObTLtDC0OMQKJQSUPp+XLPfYHJg3kskbfqowkPg8PAIcoZ2hTh:w8oLxNMdSM+XLOg3Rk2oYeAIcbr

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
b77b5bf55d7f2883535b416c6c09d8a2
unpack001/out.upx

Files

b77b5bf55d7f2883535b416c6c09d8a2
.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: 32KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 20KB - Virtual size: 20KB

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: 32KB - Virtual size: 30KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE