a4537216c3d1ca3e85f446aa4df72e2e | Triage

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General

Target

a4537216c3d1ca3e85f446aa4df72e2e
Size

43KB
MD5

a4537216c3d1ca3e85f446aa4df72e2e
SHA1

6e4551dd1e60694c50566b9eb740459f2ded5b23
SHA256

39f147d0691215c65a270df472a52d0b9dcecf80cd6f1927a1e5a109ddc72e44
SHA512

224bc0d13f134c26c07b134073f8fc732226f0893be6829773056d42f30207cbbc46a6ac8fe3bacaf5b530055e9257fa7c86181f982fcc96a867260f10424ac6
SSDEEP

768:KRJMlLqV0AMG6y+9kmV9Mibk1kqWWZdH52mSdVW3:/LqaAMGj+9zbiNx2HW3

Score

10^/10

upx

Malware Config

Signatures

Nirsoft 1 IoCs

resource	yara_rule
static1/unpack001/out.upx	Nirsoft

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
a4537216c3d1ca3e85f446aa4df72e2e
unpack001/out.upx

Files

a4537216c3d1ca3e85f446aa4df72e2e
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 60KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 6KB - Virtual size: 8KB

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_32BIT_MACHINE

Sections

.text
Size: 51KB - Virtual size: 50KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ