Behavioral task
behavioral1
Sample
2024-01-22_770fb2df5d7654b7897fe7d503f73305_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-22_770fb2df5d7654b7897fe7d503f73305_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-01-22_770fb2df5d7654b7897fe7d503f73305_cryptolocker
-
Size
89KB
-
MD5
770fb2df5d7654b7897fe7d503f73305
-
SHA1
49e3c1bd4ca548d7493e32b7008cf9e1e5c071b1
-
SHA256
e55290cdd5d66d13b9c898146b8dc8db2bc991dd83b8284d4139d3843006e759
-
SHA512
468f7ff4420513d96926f90fbb4af2b602fed8aa59b17320afc96a96c5ad0ff2d2cbccab38ce74378a989562a98b7a445b7b31f7988e07cb47e8933416aad526
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87Ua:zCsanOtEvwDpjf
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 2024-01-22_770fb2df5d7654b7897fe7d503f73305_cryptolocker
Files
-
2024-01-22_770fb2df5d7654b7897fe7d503f73305_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