Behavioral task
behavioral1
Sample
2024-01-28_3f7ffc1eff5261b6fab27319c1628b37_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_3f7ffc1eff5261b6fab27319c1628b37_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-28_3f7ffc1eff5261b6fab27319c1628b37_cryptolocker
-
Size
60KB
-
MD5
3f7ffc1eff5261b6fab27319c1628b37
-
SHA1
89f482d938e20b5d516d01dbd20ab32bcc6f4f28
-
SHA256
fa3a6939f82660188e71173136db0fdf9cf172fb84c9f6b4b914b173d7161c34
-
SHA512
fa8e79d2f9f039759c74df5865fddfab5e6bfe9a005d8c3a75fa9502364775729266bd447ea6ff5a7fd26664fc25840d8efb84f518661354fefbcc35b5acd8ad
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVJ:zj+soPSMOtEvwDpj4kpmeLmnj
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 2024-01-28_3f7ffc1eff5261b6fab27319c1628b37_cryptolocker
Files
-
2024-01-28_3f7ffc1eff5261b6fab27319c1628b37_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