Behavioral task
behavioral1
Sample
2024-02-12_f2a74699a264deeb1460699050bb8d3e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_f2a74699a264deeb1460699050bb8d3e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-12_f2a74699a264deeb1460699050bb8d3e_cryptolocker
-
Size
117KB
-
MD5
f2a74699a264deeb1460699050bb8d3e
-
SHA1
b9d0517f301834b60fd6ebf55b2e7d06a516c685
-
SHA256
c05aecda4cb6b5c01512bde7f4f9dd448c0ff6c0d18043026f2cdfa0b0fa3a1a
-
SHA512
bdd7a06e15b614bc2759b4bdc2a45d815d48b0b043b6863b95cda907e44f6f8312b16d68277dd4f1b739afdea3efd4d67faf15ac66e78030baab189555e4fd6b
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01H:z6a+CdOOtEvwDpjczl
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 2024-02-12_f2a74699a264deeb1460699050bb8d3e_cryptolocker
Files
-
2024-02-12_f2a74699a264deeb1460699050bb8d3e_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