Behavioral task
behavioral1
Sample
2024-09-08_a3bfd57872af5b8df4a77e47a8bc900f_cryptolocker.exe
Resource
win7-20240903-en
General
-
Target
2024-09-08_a3bfd57872af5b8df4a77e47a8bc900f_cryptolocker
-
Size
26KB
-
MD5
a3bfd57872af5b8df4a77e47a8bc900f
-
SHA1
8d7818bc95dfcefddd4e830ebc4e82a4add8fe16
-
SHA256
7fd2567f667d900b94544aeeb966961a64b56ebe4832cb15aa8146cd3f7354c1
-
SHA512
9dec00035f55455e775446423334cd670d79555d0b1d51b222a4432843902f2fd0ff3345975c7912151b215280d4debf2476b7fbdc5293ec2347e7535b33f8b0
-
SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMmHBdaU:bVCPwFRo6CpwXFXSqQXfjAsmHBdF
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-09-08_a3bfd57872af5b8df4a77e47a8bc900f_cryptolocker unpack001/out.upx
Files
-
2024-09-08_a3bfd57872af5b8df4a77e47a8bc900f_cryptolocker.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