Behavioral task
behavioral1
Sample
2024-04-25_35aa9286152e762ba7dde04b8414f77e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_35aa9286152e762ba7dde04b8414f77e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-25_35aa9286152e762ba7dde04b8414f77e_cryptolocker
-
Size
76KB
-
MD5
35aa9286152e762ba7dde04b8414f77e
-
SHA1
104cc4942a1d5116276ff335d5e1cb014778857b
-
SHA256
e4a65ac1e9ea47663d251b24b89ad409e76933df1a7a6f25289c5a66bb01120d
-
SHA512
5ae396afc6e62d095692b1c39121deb4a1210d3e6d97fae6670a1b14ab5cb3624ee7afb9d121cf3c7eded27752ede7e9b66c352437e4ad480cd5cc2efea2b587
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxJ:T6a+rdOOtEvwDpjNtHPq
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 2024-04-25_35aa9286152e762ba7dde04b8414f77e_cryptolocker
Files
-
2024-04-25_35aa9286152e762ba7dde04b8414f77e_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