Static task
static1
Behavioral task
behavioral1
Sample
2024-02-02_bcf1fd3256b6ec37b5681ab7581156d4_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-02_bcf1fd3256b6ec37b5681ab7581156d4_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-02_bcf1fd3256b6ec37b5681ab7581156d4_cryptolocker
-
Size
62KB
-
MD5
bcf1fd3256b6ec37b5681ab7581156d4
-
SHA1
3e24ccc7345be46aa0760cda37efb0c43b885719
-
SHA256
a23940f16cdea6903365f32839be916b4272f28b59f87fd4e02a90755a284105
-
SHA512
c5aa9fa5579ec8d33fcf06dc4a6e78f85b0bb2c23f9677931c71a28235f1b89c79d8c7653235de451f3b0d28535901ed6130d0a421e5382dbe1bcfc3ec61dc6a
-
SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEO10Km2:6j+1NMOtEvwDpjr8ox8UDEy0Km2
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 2024-02-02_bcf1fd3256b6ec37b5681ab7581156d4_cryptolocker
Files
-
2024-02-02_bcf1fd3256b6ec37b5681ab7581156d4_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: 11KB - Virtual size: 12KB
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