Behavioral task
behavioral1
Sample
2024-04-23_92aca77734bb9b3e49bf9e9effc1edb2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_92aca77734bb9b3e49bf9e9effc1edb2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-23_92aca77734bb9b3e49bf9e9effc1edb2_cryptolocker
-
Size
55KB
-
MD5
92aca77734bb9b3e49bf9e9effc1edb2
-
SHA1
bc53c6e79dc4337bb2b2bd93328f51fdc1dd950a
-
SHA256
3bf416c6b6247dba1a625a1554d28a83d2bf941fc18efc7343604c6833cc5208
-
SHA512
57f3482cd5f6203b8abdc18e0bf4051cd712f891f4416006e4e7f06a89fffd12ba33825430020b9eed4b0c1f27118bd5ff501b68ed1568d7a3ec6e666e4ab79d
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+D:bP9g/xtCS3Dxx0JD
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 2024-04-23_92aca77734bb9b3e49bf9e9effc1edb2_cryptolocker
Files
-
2024-04-23_92aca77734bb9b3e49bf9e9effc1edb2_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