b3fa97d9c0c285ebb3234b06321c27e4_JaffaCakes118 | Triage

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General

Target

b3fa97d9c0c285ebb3234b06321c27e4_JaffaCakes118
Size

28KB
MD5

b3fa97d9c0c285ebb3234b06321c27e4
SHA1

c6eb253c7a7ea9659b3238515381dc8106bd5f86
SHA256

930964bdb27e39d99b112549833514c1abed9809e78dcf7889cf5d03a5dab43c
SHA512

16a29fdd0e4d0f7bd4c854c0bcf5be184b9d3875c380f8f2f7c62fbf1cb17c4c458e5191d6ae6a91fc46bc7461ddbe1ee936bfb63f1853b7c5f58a2c648208fe
SSDEEP

768:b5/gNRhBWhue9mJhhjqe/dnp+VpwzXOiDUaurrC:N/XuKmfpqeVp+KXPUX/C

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
b3fa97d9c0c285ebb3234b06321c27e4_JaffaCakes118
unpack001/out.upx

Files

b3fa97d9c0c285ebb3234b06321c27e4_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: 40KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 26KB - Virtual size: 28KB

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: 48KB - Virtual size: 47KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE