Behavioral task
behavioral1
Sample
2024-04-21_349fb96b8a055a5cf6d1128893a85640_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-21_349fb96b8a055a5cf6d1128893a85640_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-21_349fb96b8a055a5cf6d1128893a85640_cryptolocker
-
Size
72KB
-
MD5
349fb96b8a055a5cf6d1128893a85640
-
SHA1
7096c6917ed84c1e4b0a383ad36c5be84830da70
-
SHA256
dbf1069ca0afb7d5eda6f51c76ac0d78162936a1a5d458b8f2a5152dc29ffb0f
-
SHA512
f7473eba1070f7d599ee3c0ec4b9792c0a0d7429b20009b76dbb6074727e0083106a8ee88884be6093e56c7fe66d52f210db20688ce4b675a1865c0f3dcf1c07
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBD:z6a+CdOOtEvwDpjQx
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 2024-04-21_349fb96b8a055a5cf6d1128893a85640_cryptolocker
Files
-
2024-04-21_349fb96b8a055a5cf6d1128893a85640_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