20240521b1f992e1121e0b10775c28016e887e37cryptolocker[.]exe | Triage

Sharing

General

Target

20240521b1f992e1121e0b10775c28016e887e37cryptolocker.exe
Size

24KB
MD5

b1f992e1121e0b10775c28016e887e37
SHA1

8702997d83655bc1894f0fa5472da00bea7038d0
SHA256

5e396e89bbe0b19b9035c3d8ca53bf493a4020c8412201f39f0f310e00f3b5fb
SHA512

f7f5569cbe1738220a1801f37dac9c6ecad3fa9c5ec65cb22019b4400670a0cecbd463230a0f21de0357c1f0426ffdcd1d9cf9055b7b65ebfe9e9d90edecaa89
SSDEEP

384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HnD2U:bVCPwFRo6CpwXFXSqQXfjAHDx

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
20240521b1f992e1121e0b10775c28016e887e37cryptolocker.exe
unpack001/out.upx

Files

20240521b1f992e1121e0b10775c28016e887e37cryptolocker.exe
.exe windows:5 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: 28KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 11KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 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: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ