Behavioral task
behavioral1
Sample
2024-03-11_62a8ae9077c99e5471fc2694c5f48c8e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_62a8ae9077c99e5471fc2694c5f48c8e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-11_62a8ae9077c99e5471fc2694c5f48c8e_cryptolocker
-
Size
94KB
-
MD5
62a8ae9077c99e5471fc2694c5f48c8e
-
SHA1
9bd473e3d3fde7685d052f8db4804d68b8ed732c
-
SHA256
80e9940d6c39de9d8faa6a2fd218afdd9050a58e86f0759d5abf63700dd829de
-
SHA512
c3a7f6a1ae27427856d9443891a3d715a95ec76b9ec6130057c9aba425eee3ba8c2a32f41c125317842affff8966558cfa7d8807fda24f55b74dbdf60b21f261
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bz:zCsanOtEvwDpjB3
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 2024-03-11_62a8ae9077c99e5471fc2694c5f48c8e_cryptolocker
Files
-
2024-03-11_62a8ae9077c99e5471fc2694c5f48c8e_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