837c2f380ee2e536dc787d3084ef7c63_JaffaCakes118 | Triage

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General

Target

837c2f380ee2e536dc787d3084ef7c63_JaffaCakes118
Size

22KB
MD5

837c2f380ee2e536dc787d3084ef7c63
SHA1

b66638c1629942a1df304d84ec3bd9374012ec96
SHA256

430bd35ec256f28afd1e7d066af1fa63c0eb331c78a4b88c356cd00b7251a5d2
SHA512

d79166ec673a57ea56359b4345ee393c7944c208792996bc9ad1506a70a3e83f89f81a18d9c730b4488a01ac6b7277a892e496fb306b42748e1bf773f715bc4c
SSDEEP

384:Ml5hyq8v3a6QVqWKIYaxcfk2nPKEsVGnrNNyVkKGxyvlAsqPxBkHyKr6nMv/M:+Iynfh1AjYGnrNNyVkKzyruyKqMH

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
837c2f380ee2e536dc787d3084ef7c63_JaffaCakes118
unpack001/out.upx

Files

837c2f380ee2e536dc787d3084ef7c63_JaffaCakes118
.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: 44KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 21KB - Virtual size: 24KB

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: 41KB - Virtual size: 40KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE