Behavioral task
behavioral1
Sample
2024-04-22_a501c27fd494659e63570794391be04b_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-22_a501c27fd494659e63570794391be04b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-22_a501c27fd494659e63570794391be04b_cryptolocker
-
Size
55KB
-
MD5
a501c27fd494659e63570794391be04b
-
SHA1
d36f38921b16f08e6da4778bfe2088564034b7e1
-
SHA256
6b13872649865840caaf6726fc81c14255870abfaf684e0f9317892d6377fab4
-
SHA512
d25b5ca4f97f47c2f47db81884e618c88ebeb1f1141d870d36da537d13123353e01a67ee281015318cb6813fc6c0620ce68f3158e9b66505558277292b9e4bc0
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlA:bP9g/xtCS3Dxx0r
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_a501c27fd494659e63570794391be04b_cryptolocker
Files
-
2024-04-22_a501c27fd494659e63570794391be04b_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