Behavioral task
behavioral1
Sample
2024-04-20_bf82bb73924fc1337e3e1185c2e2cf27_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_bf82bb73924fc1337e3e1185c2e2cf27_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-20_bf82bb73924fc1337e3e1185c2e2cf27_cryptolocker
-
Size
59KB
-
MD5
bf82bb73924fc1337e3e1185c2e2cf27
-
SHA1
55ef8bc8034d3af2268f8e1002395cf7d96de425
-
SHA256
48f143276eee11454834c252d3aa35e5ee6bd8f4c8c5370f37b0e9ac3bbae60a
-
SHA512
be3204bbda6555a8e5508ef44dd046ac2020e8b741a7f8e08cfbf1f61b2136b2658b79ed8d0a7cf3fc0645ae4b529f713b2c3b8f5f15cd67775c34332a685861
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1J7JN:z6QFElP6n+gKmddpMOtEvwDpj9aYaz7T
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 2024-04-20_bf82bb73924fc1337e3e1185c2e2cf27_cryptolocker
Files
-
2024-04-20_bf82bb73924fc1337e3e1185c2e2cf27_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