a3090f631e889dbd7cff1fd6ebad63db | Triage

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General

Target

a3090f631e889dbd7cff1fd6ebad63db
Size

51KB
MD5

a3090f631e889dbd7cff1fd6ebad63db
SHA1

54d5b36aba60162bbc2d2ff46ef1ad33e9e22981
SHA256

12dae1939323a17f8e86b5590f3a2b7bd659d55642597b537c94eb99c4da1a68
SHA512

298eade92ace7597a25ef24a7fd5675a55db5eef882b0a2f809f6660c030abb0a434b893ab1ae2798563f8cbbb948e53ab042396345d018f1a667fb09b68d5d8
SSDEEP

1536:vfYxXva0W/nqH9021ceyBMRIwM5rTIvyUDPxI1M8k:vfgXy0W/ngCx4I15v8TDPxai

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
a3090f631e889dbd7cff1fd6ebad63db
unpack001/out.upx

Files

a3090f631e889dbd7cff1fd6ebad63db
.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: 72KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 39KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 12KB

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: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ