Behavioral task
behavioral1
Sample
2024-04-24_ecfb83749fde172ae500e6b6b72b680d_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-24_ecfb83749fde172ae500e6b6b72b680d_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-24_ecfb83749fde172ae500e6b6b72b680d_cryptolocker
-
Size
65KB
-
MD5
ecfb83749fde172ae500e6b6b72b680d
-
SHA1
8027dcfc8147d8801691de11aea81d07e1cfe0be
-
SHA256
fccae9e13a346d19b1ab5959e9b6ae9543a4a9ec6db725583b86557296b3d550
-
SHA512
eccff08f3a0356eef3693c24d778e3a0d4076fe78eada6c53cb3d120a712c236816916846c1963675ee9c3bc7e85f9c032672684afa1cbdf98e6682274a6cdba
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5Bl:zj+soPSMOtEvwDpj4kpmeLmQ/l
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 2024-04-24_ecfb83749fde172ae500e6b6b72b680d_cryptolocker
Files
-
2024-04-24_ecfb83749fde172ae500e6b6b72b680d_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_CODE
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