Behavioral task
behavioral1
Sample
2024-03-14_b81dd9055ac093d8e2b9891c220fd719_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_b81dd9055ac093d8e2b9891c220fd719_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-14_b81dd9055ac093d8e2b9891c220fd719_cryptolocker
-
Size
58KB
-
MD5
b81dd9055ac093d8e2b9891c220fd719
-
SHA1
13874d70b012be3b652787689439fc6d3331bc50
-
SHA256
32249174d103e80734d35d9ac8a2f1d9f80d9e990939d94624c3b252bf26f8fb
-
SHA512
654f350bdc58cd958d4eb3096d9c1b7fdc90379d4d7d25af153a7c455407ee56c95c5de17b45b731e440378b118e29bd04d596c148c6d5cae1cfca9391d9c0d1
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFfPy:z6a+CdOOtEvwDpjQy
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 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-14_b81dd9055ac093d8e2b9891c220fd719_cryptolocker
Files
-
2024-03-14_b81dd9055ac093d8e2b9891c220fd719_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
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_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