Behavioral task
behavioral1
Sample
2024-02-13_cac3520a563ccb289ab97f4b51b0cd46_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_cac3520a563ccb289ab97f4b51b0cd46_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-13_cac3520a563ccb289ab97f4b51b0cd46_cryptolocker
-
Size
97KB
-
MD5
cac3520a563ccb289ab97f4b51b0cd46
-
SHA1
b13224f8ad698e96948e810a24211a801207577b
-
SHA256
caa5b8970cbd3a67b6cf2b9bc83d3804f18e7a322c1b0e522b4e332fa6064375
-
SHA512
463361bcdbb76cab70fd8a77ef14ada9ca7b6b2bbdabcf1b373234f57809a34f7eb2e855b0cfba9cb61bb142b4c44e72024071533911640f3662c52779fe39ec
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BE:z6a+CdOOtEvwDpjcS
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 2024-02-13_cac3520a563ccb289ab97f4b51b0cd46_cryptolocker
Files
-
2024-02-13_cac3520a563ccb289ab97f4b51b0cd46_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_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