Behavioral task
behavioral1
Sample
2024-03-27_f23741f0ee2f9ea1991d62b51730e2b2_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-03-27_f23741f0ee2f9ea1991d62b51730e2b2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-27_f23741f0ee2f9ea1991d62b51730e2b2_cryptolocker
-
Size
149KB
-
MD5
f23741f0ee2f9ea1991d62b51730e2b2
-
SHA1
d2c6e1b6ff239a4053472f169b1c99e532c943ec
-
SHA256
939173135ec998c4a7d9381707ecdb3d956eedaa95f687b342e3d4191042978f
-
SHA512
3e4398783ec48eb9bb12352cd26d8b916d77900e6e246be1cb34f881438155eae1825e38c049061f38afb51ff8afda215019dc4c8220ae57a341660dbc746ab9
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1e2i:z6a+CdOOtEvwDpjczh
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 2024-03-27_f23741f0ee2f9ea1991d62b51730e2b2_cryptolocker
Files
-
2024-03-27_f23741f0ee2f9ea1991d62b51730e2b2_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