4b89a8fe099899b39a3775c13ba7fae1_JaffaCakes118

General

Target

4b89a8fe099899b39a3775c13ba7fae1_JaffaCakes118
Size

527KB
MD5

4b89a8fe099899b39a3775c13ba7fae1
SHA1

dca374039fb060f6cf5cabea64d5aba9cc3b2d33
SHA256

a8932f5d1320c93b06071d742c654363b448ddd89822ec8c0418cc6592d45e32
SHA512

6049c046add4c470097438cd2d2da3c8f5821b42d52d3d94b04ebb8f070502d4b32ebc60e08991fe619957f6b5cd28cf8cd8c02dcfa5ac3d1d851d89223617a0
SSDEEP

12288:/5I/tRuVBWb71uleTNIKT/X4PGKHU1lpO3O9MibvxTF:/5K6VBWbYQ5zXWQ1PX9vbZTF

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
4b89a8fe099899b39a3775c13ba7fae1_JaffaCakes118
unpack001/out.upx

Files

4b89a8fe099899b39a3775c13ba7fae1_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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 2.5MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 349KB - Virtual size: 352KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 53KB - Virtual size: 56KB

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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

.text
Size: 853KB - Virtual size: 852KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 1.8MB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 8B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 2.5MB

UPX1 Size: 349KB - Virtual size: 352KB

.rsrc Size: 53KB - Virtual size: 56KB

Headers

File Characteristics

Sections

.text Size: 853KB - Virtual size: 852KB

.itext Size: 5KB - Virtual size: 5KB

.data Size: 44KB - Virtual size: 43KB

.bss Size: - Virtual size: 1.8MB

.idata Size: 10KB - Virtual size: 9KB

.tls Size: - Virtual size: 8B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 45KB - Virtual size: 44KB

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

UPX0
Size: - Virtual size: 2.5MB

UPX1
Size: 349KB - Virtual size: 352KB

.rsrc
Size: 53KB - Virtual size: 56KB

.text
Size: 853KB - Virtual size: 852KB

.itext
Size: 5KB - Virtual size: 5KB

.data
Size: 44KB - Virtual size: 43KB

.bss
Size: - Virtual size: 1.8MB

.idata
Size: 10KB - Virtual size: 9KB

.tls
Size: - Virtual size: 8B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 45KB - Virtual size: 44KB

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