b1c055fb314e3008e758bc004f0b9e40N[.]exe | Triage

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General

Target

b1c055fb314e3008e758bc004f0b9e40N.exe
Size

785KB
MD5

b1c055fb314e3008e758bc004f0b9e40
SHA1

77944e83d33055df92066e5e0ed943d35102730e
SHA256

316e34cfce0ce3feb69a946d39e5e3cba82598dbcf8d9bb32f9876f250140cd5
SHA512

8eaeff9bc8af699984fa06776edb86c8a05a26c0575730eb6da4fcdc2ab6f06290a58af1ebeffcad077b820fa79ee824e7ae305c7896d8578b0684caa8f8bac0
SSDEEP

24576:TW/QX+Uc+HbiVy8GYE/yPhcU1lCkFVP1WMGXoiITU97fig:wUtBYEqpcU13VP1KX88

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
b1c055fb314e3008e758bc004f0b9e40N.exe
unpack001/out.upx

Files

b1c055fb314e3008e758bc004f0b9e40N.exe
.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: 400KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 784KB - Virtual size: 784KB

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: 68KB - Virtual size: 66KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE