Behavioral task
behavioral1
Sample
2024-02-13_f79d1e04fb71da3ca74f35be2f49d295_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_f79d1e04fb71da3ca74f35be2f49d295_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-13_f79d1e04fb71da3ca74f35be2f49d295_cryptolocker
-
Size
57KB
-
MD5
f79d1e04fb71da3ca74f35be2f49d295
-
SHA1
2a1bcd73a7916eb420cb04290c8dcfc01f74ba33
-
SHA256
7af874aaf3a1a4936120672580d2870e0e7d3a9c14897c13b69371e010161841
-
SHA512
70cd2cdd244a1b26211d3d15204795874fbaf9d73020d10fa34c0945a1293c88e5c7d267b637be9ce59291f67add982fbd2ef7025885ca35ffaffc6254973996
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appgcmJ:z6QFElP6n+gKmddpMOtEvwDpj9aYaQ3J
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 2024-02-13_f79d1e04fb71da3ca74f35be2f49d295_cryptolocker
Files
-
2024-02-13_f79d1e04fb71da3ca74f35be2f49d295_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