Behavioral task
behavioral1
Sample
2024-05-11_b4eaea931cb851be29af7e01a46a4eb9_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-11_b4eaea931cb851be29af7e01a46a4eb9_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-11_b4eaea931cb851be29af7e01a46a4eb9_cryptolocker
-
Size
55KB
-
MD5
b4eaea931cb851be29af7e01a46a4eb9
-
SHA1
d47c63d1112e5d20e6adc18cce2378f72d94c775
-
SHA256
28cb4773a41c5560ec286b9f8745dbcd6c01dd1182711cd78dbaaab962c01975
-
SHA512
cf742560120f7e8b8d6963bd0b450f2f23c1453f6c9b0ef90b9f6730c539468c8c846b4d9b6992905b8c9feb9412e290e444e7b6fc5d3e0408b8e45db409485e
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNb:bP9g/xtCS3Dxx0I
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 2024-05-11_b4eaea931cb851be29af7e01a46a4eb9_cryptolocker
Files
-
2024-05-11_b4eaea931cb851be29af7e01a46a4eb9_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