Behavioral task
behavioral1
Sample
2024-03-13_7bb52d1a5e335da9fdad25b4598798fb_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-13_7bb52d1a5e335da9fdad25b4598798fb_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-13_7bb52d1a5e335da9fdad25b4598798fb_cryptolocker
-
Size
57KB
-
MD5
7bb52d1a5e335da9fdad25b4598798fb
-
SHA1
77da305cc32c3921945b7b9f624ff632e34c010d
-
SHA256
16d233fb2d6a25d9a6f741d96fcba37bbef4fd97824b061e9689155c4578cad1
-
SHA512
844d2851bc881443876e911ef3bd02600d33f4988e066d8400109b713f564913cd63a9e7883056e7fd5ca9cde0cdb8ff89926e55ce9c821e1e40aaeb8cf6aac8
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpyJ:zj+soPSMOtEvwDpj4yk
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 2024-03-13_7bb52d1a5e335da9fdad25b4598798fb_cryptolocker
Files
-
2024-03-13_7bb52d1a5e335da9fdad25b4598798fb_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