Behavioral task
behavioral1
Sample
2024-01-18_a41562dc953c4c9e930fb51430437cbf_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_a41562dc953c4c9e930fb51430437cbf_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-18_a41562dc953c4c9e930fb51430437cbf_cryptolocker
-
Size
60KB
-
MD5
a41562dc953c4c9e930fb51430437cbf
-
SHA1
1b8b8241066e5ed6f9382c38e362f038d9401e16
-
SHA256
738bc5ada6b7acaba6ba616a606731c8503e86ac8d8a315566fee6119b047d1f
-
SHA512
2ee251920fd9ac78a0226c946d1ed8e7f1bf0203ef13f8cbbb8d952b56df57cf43c18dfb29f790c9a1579803d62b2fa7037972de720f2919c98326164706cd97
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnV9:zj+soPSMOtEvwDpj4kpmeLmnn
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 2024-01-18_a41562dc953c4c9e930fb51430437cbf_cryptolocker
Files
-
2024-01-18_a41562dc953c4c9e930fb51430437cbf_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