Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_1f0830b25c4fe71b675f78f99e0a4383_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_1f0830b25c4fe71b675f78f99e0a4383_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-28_1f0830b25c4fe71b675f78f99e0a4383_cryptolocker
-
Size
57KB
-
MD5
1f0830b25c4fe71b675f78f99e0a4383
-
SHA1
ca3412e403ad87fbf697cc6d80e43421e82b93be
-
SHA256
55debe59a86671265173bda66f69582c05ab43f01132172a032ac1cc4169adc2
-
SHA512
1f0ba54eedff337e74fc0048878a848c7e4da045fc5718b803f6f733d137195a3e662b78c975ec21d8bd000b79332e0cd97d51c3b155559a833030013b81529c
-
SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFwH:xj+VGMOtEvwDpjubEgywH
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 2024-01-28_1f0830b25c4fe71b675f78f99e0a4383_cryptolocker
Files
-
2024-01-28_1f0830b25c4fe71b675f78f99e0a4383_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