Behavioral task
behavioral1
Sample
2024-04-16_657f40d59ea24be26b4065b60b44730a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_657f40d59ea24be26b4065b60b44730a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-16_657f40d59ea24be26b4065b60b44730a_cryptolocker
-
Size
54KB
-
MD5
657f40d59ea24be26b4065b60b44730a
-
SHA1
a6adcafca84bc32ddf8f6203301cd81b9d16481e
-
SHA256
d799eb70bae2c77c7e1a62584df35999d2ce826dd4b5eb008779fa2d5c9fb885
-
SHA512
e9372d2da8411a8085ff9c6b53509e051ceda0d04055c089ac00881237ef3675c6384b38080d0f1b49d46b047d1b611466000e7d0a9bc6874960f3a93d120566
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlm:bP9g/xtCS3Dxx0J
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-16_657f40d59ea24be26b4065b60b44730a_cryptolocker
Files
-
2024-04-16_657f40d59ea24be26b4065b60b44730a_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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