83785da656991c409481c24e3aa78643_JC[.]exe | Triage

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General

Target

83785da656991c409481c24e3aa78643_JC.exe
Size

522KB
MD5

83785da656991c409481c24e3aa78643
SHA1

cb916d4a800f0090fbd481a6a3ac825750fbda31
SHA256

5feea6c773df0de374e989271d7127895a5462350c4d9c308d2709b916a82b77
SHA512

169e396f8efb8f3a9faf1904d417d0d2c993c1b406367cdc8d435c0babc50ad4ff107d201e646e0016b48c48462b2fed1818083114c208c03cfa677b6d3cda86
SSDEEP

6144:5uHOz/UOPSe570Szp3irG1VVE+I5E2EJuHOz/UOPSe570Szp3irG1VVE+I5E2EC:gOoOB0JuVwOoOB0JuVC

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
83785da656991c409481c24e3aa78643_JC.exe
unpack001/out.upx

Files

83785da656991c409481c24e3aa78643_JC.exe
.exe windows:4 windows 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: 180KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 37KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 30KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows 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: 144KB - Virtual size: 143KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 64KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ