Behavioral task
behavioral1
Sample
2024-02-11_b4e82d4c2f601216c7153da843b249e1_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-11_b4e82d4c2f601216c7153da843b249e1_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-11_b4e82d4c2f601216c7153da843b249e1_cryptolocker
-
Size
74KB
-
MD5
b4e82d4c2f601216c7153da843b249e1
-
SHA1
20ec5e54df35a69930533c2774bbff906f5f6d94
-
SHA256
ef4b73c4632de5b9bf7875fdf86fc0f5829491c64ab69d9fb8dcb8fa215ba51e
-
SHA512
3fbe6c2c274bbe30edcd6eb7fd7e05060a6fa067de554290940bda6a2283506ac37771833506db3423eb5b5fa4ac6315096a7aeea9415e5c7c9f352084f10e78
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx4T:T6a+rdOOtEvwDpjNtHPr
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 2024-02-11_b4e82d4c2f601216c7153da843b249e1_cryptolocker
Files
-
2024-02-11_b4e82d4c2f601216c7153da843b249e1_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