b51f058caa28942381ba66c7a4ee9257_JaffaCakes118 | Triage

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General

Target

b51f058caa28942381ba66c7a4ee9257_JaffaCakes118
Size

83KB
MD5

b51f058caa28942381ba66c7a4ee9257
SHA1

994890ec5445ece8a1e57082ee761c183cab33c8
SHA256

6ce5e86abb1e5d1e7534bd93ea0850713a0d0ac1f9b9fae1d099f21578353259
SHA512

dcb84cd79ef6bc2f4c235f6b0f66bc93fe31ee911f030ec68471339a236c3e571f2245a46c502f1b1acbfcce993e75691bd4c8fb12fb6e62b2ea068804ca2e42
SSDEEP

1536:7LP5wUcJtsSIdx+jKvEQ24QYRiP8Sxh5ClhTd0KW7GV5lr6PfF3l:feUca+jwEQpSBCk0jr6PN3l

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
b51f058caa28942381ba66c7a4ee9257_JaffaCakes118
unpack001/out.upx

Files

b51f058caa28942381ba66c7a4ee9257_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: 104KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 82KB - Virtual size: 84KB

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: 144KB - Virtual size: 142KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE