Behavioral task
behavioral1
Sample
2024-04-21_c27207fa77d7c7b2c69730620e32c4d9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-21_c27207fa77d7c7b2c69730620e32c4d9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-21_c27207fa77d7c7b2c69730620e32c4d9_cryptolocker
-
Size
122KB
-
MD5
c27207fa77d7c7b2c69730620e32c4d9
-
SHA1
9b772e958de9216d641c1a1552cd6d178cc39895
-
SHA256
2d070c31b40e6e876b4a20740b56d6912b2dfbd181034f9ee927d718782b4b34
-
SHA512
58b52aaaca86d7a67dec1a8e74453b3b76ac22778ffadde6e9883b99063ff783907bd6c796d0f71b4e77467d83536ee1e1a627a1d3949dfee3dc478b20128768
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpwqWsviPeBu:z6a+CdOOtEvwDpjczN
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_c27207fa77d7c7b2c69730620e32c4d9_cryptolocker
Files
-
2024-04-21_c27207fa77d7c7b2c69730620e32c4d9_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