Behavioral task
behavioral1
Sample
2024-04-22_8a961dad2363a05a1ae47fe0bcfc574f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_8a961dad2363a05a1ae47fe0bcfc574f_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-22_8a961dad2363a05a1ae47fe0bcfc574f_cryptolocker
-
Size
55KB
-
MD5
8a961dad2363a05a1ae47fe0bcfc574f
-
SHA1
45c719073c672c385f8a9fb357a5c58ed9315b25
-
SHA256
ccea43031b73146b9557f37c2df35d477ad1628827e8cc9d161f80f37b49d89c
-
SHA512
c00271b4d922545360a3099b0be6a869c7e9091756d1579bb732bd4a8317e2ab968ae1a697dbdfe9d4d9954c227ebcec8dc8293ea9943e2ce11abba67fd59c0c
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjla:bP9g/xtCS3Dxx0l
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 2024-04-22_8a961dad2363a05a1ae47fe0bcfc574f_cryptolocker
Files
-
2024-04-22_8a961dad2363a05a1ae47fe0bcfc574f_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