81fb55b371ff85cf70ad1565e3be1243 | Triage

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General

Target

81fb55b371ff85cf70ad1565e3be1243
Size

14KB
MD5

81fb55b371ff85cf70ad1565e3be1243
SHA1

fc5fd74d9c2516bedcc56c0e589f334449d584c0
SHA256

55dbd5291ab4e190d50ce2e5aecd4719b335ff07f69f632cda235c9ac9709b14
SHA512

44d7ca56fce63e46f2e492f712358f26a67ef112a4c7e1cce1b8b896b3baa73d046a600f241f924e227ca7c1ca7a545a744023623d687ae00ab999ce4b614564
SSDEEP

384:fo9q5pG7Vbjz0QhuvmtSh/6kTMklKBcdDtI7JliSwlmerfVjuujQA+CJwP:GqDSbP0w+mFko/B8I7JUSiVfVyLA+KQ

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
81fb55b371ff85cf70ad1565e3be1243
unpack001/out.upx

Files

81fb55b371ff85cf70ad1565e3be1243
.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: 80KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 12KB - Virtual size: 16KB

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: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE