b8118ffb52e85081e9f05bce2564d640 | Triage

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General

Target

b8118ffb52e85081e9f05bce2564d640
Size

33KB
MD5

b8118ffb52e85081e9f05bce2564d640
SHA1

548ad93fd232efd06201fab8f6fb5b269f52baa7
SHA256

e19aba2cc2ce78ecf3137e72ec758e5661884fa08a6d32c2da5bbc5a517b90a7
SHA512

d43a0acddfd6693e296596b1df1a89113244c73469e6a447d194bf315e2de70169639e9e54c195909c918ed966c69a49d300dceab3d96e185b55bc596d1064cd
SSDEEP

768:RoD0Ye7PDxEXxdbEyYXpQBjMsOxkEk28OTZ0zWNIXiX:bqWvWoxjtTZ0zWNIXiX

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
b8118ffb52e85081e9f05bce2564d640
unpack001/out.upx

Files

b8118ffb52e85081e9f05bce2564d640
.exe .js windows:4 windows x86 arch:x86 polyglot

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: 64KB

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

.rsrc
Size: 4KB - 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: 60KB - Virtual size: 58KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ