a66aa0c4c63dc5cd3396c91faebb9dfe_JaffaCakes118 | Triage

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General

Target

a66aa0c4c63dc5cd3396c91faebb9dfe_JaffaCakes118
Size

25KB
MD5

a66aa0c4c63dc5cd3396c91faebb9dfe
SHA1

a16cda973e7eb81e6ed115f91fcc0b6d008ae582
SHA256

87149cbd76bbd1b7aeea3bbd4afb2759aee1a8c282d15e3ccc5f4d99c1101093
SHA512

0544087aa8446eca20003457bdc1975fa993f25bcf7cf14f038f8309eda583073138741764abcd3fe7711e1387a84c6c813405dff9b6bdc66d7529328f1b85d0
SSDEEP

384:tL/d7xNB8G67fCCkQYiOEh3A+vzUnRws37gDbmVSxLdE+ooFxHNjCOTyw:tL/dzB8/r4iOEh33bUR9EDbmsTF3OaH

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
a66aa0c4c63dc5cd3396c91faebb9dfe_JaffaCakes118
unpack001/out.upx

Files

a66aa0c4c63dc5cd3396c91faebb9dfe_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: 23KB - 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: 40KB - Virtual size: 36KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE