Static task
static1
Behavioral task
behavioral1
Sample
2024-05-31_1bbc9a6d305469ed3201f00c4892e32f_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-31_1bbc9a6d305469ed3201f00c4892e32f_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-31_1bbc9a6d305469ed3201f00c4892e32f_cryptolocker
-
Size
97KB
-
MD5
1bbc9a6d305469ed3201f00c4892e32f
-
SHA1
13e0029c11d501af7c3024205358a5b9079da493
-
SHA256
28a11f23c5045fd42ecdc3d8477f071f4919c32b2308ff17383987d9f720117f
-
SHA512
1fecb25abbeb78d3721b69aa3f5b1650fd588807ba2adc2d5d9e578de8cfdbdd9a97faed0b9a50c9f74fee577c57d088631024b936ffc0687b5b43c0e19fc577
-
SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJyqdx:xj+VGMOtEvwDpjubwQEIiVmkuqb
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-31_1bbc9a6d305469ed3201f00c4892e32f_cryptolocker
Files
-
2024-05-31_1bbc9a6d305469ed3201f00c4892e32f_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE