3998bcadd31e5dc8899bdd2e9e40d818 | Triage

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General

Target

3998bcadd31e5dc8899bdd2e9e40d818
Size

86KB
MD5

3998bcadd31e5dc8899bdd2e9e40d818
SHA1

4b1e90fc2c3c0e2d3e4a0b80ee7c55c4caa5e3ce
SHA256

615d6368b5bf5b1ce0bc72e1c560b07a80b7101fa77b9d0c91c3853d2e6704bb
SHA512

358051a547b595f52847e1ca0647e4ceba36449b06219ebedf1637024541ae31c6cf62b0e99a1f8731d0751c33f65e1d3d7bf338169b4fb241ec1f48f4f9ec49
SSDEEP

1536:Fe5Kp8mX015OOgWZps9y972XlNBAhT67MuNpiWtw70CYQyB9PSYiK7v+SgAEoTty:4EmmU5gSsU9GlNB+T67MuN/OQv34K7vU

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
3998bcadd31e5dc8899bdd2e9e40d818
unpack001/out.upx

Files

3998bcadd31e5dc8899bdd2e9e40d818
.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: 120KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 85KB - Virtual size: 88KB

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: 164KB - Virtual size: 161KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE