Behavioral task
behavioral1
Sample
2024-04-24_739fc828412ce3301eca6eea8841e0ee_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_739fc828412ce3301eca6eea8841e0ee_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-24_739fc828412ce3301eca6eea8841e0ee_cryptolocker
-
Size
80KB
-
MD5
739fc828412ce3301eca6eea8841e0ee
-
SHA1
19ad1c42130e2c4958036b2355b4433e1cfe0aef
-
SHA256
8f9215572306cbfabcd622c0015c1f92fc3c21777a53ae91246e62233d7dd4c2
-
SHA512
60d4b78751c42b02d96fdc8dd7cd37c6631ae4343b1bc9c9f5ddf63737c3d40b9110795ed920a8a09cf1483b5e29dcde0ce1017c5ce8d4674fc31ff47595810d
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qe:zCsanOtEvwDpjS
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 2024-04-24_739fc828412ce3301eca6eea8841e0ee_cryptolocker
Files
-
2024-04-24_739fc828412ce3301eca6eea8841e0ee_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_CODE
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