4cf3184c4143cb8287baaacb9eb9d838 | Triage

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General

Target

4cf3184c4143cb8287baaacb9eb9d838
Size

28KB
MD5

4cf3184c4143cb8287baaacb9eb9d838
SHA1

5b3da8b2dc26969a58667352bd4bc36c05e490ac
SHA256

b931a9580c8bcb9572a778f0d66ada9e2a83552e436133f480e0a483ecd8d567
SHA512

35b33c64f20792debae7237cd3c5f6da3af8ee33885106225d9a8a73a0f47d7fb1844ccc44c6af5af1e3520970aefba06636b0f388eeb3a7855f44365802358d
SSDEEP

384:ZBlKW4bn8WvXERZCIUHoQdoZCaj6pV0fNtqu2hCOO73BEAAUDsTK/qcUAgwWMqIi:rlKlbtV5u79Ye7aAmTKScUAgxIZU

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
4cf3184c4143cb8287baaacb9eb9d838
unpack001/out.upx

Files

4cf3184c4143cb8287baaacb9eb9d838
.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: 40KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 26KB - Virtual size: 28KB

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: 48KB - Virtual size: 47KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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