Behavioral task
behavioral1
Sample
2024-05-31_906ab6300c8b539bc2e9525cfb5b31f4_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-31_906ab6300c8b539bc2e9525cfb5b31f4_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-31_906ab6300c8b539bc2e9525cfb5b31f4_cryptolocker
-
Size
90KB
-
MD5
906ab6300c8b539bc2e9525cfb5b31f4
-
SHA1
54b18d56cd57b34f621143596f69ea136336bba2
-
SHA256
02a163a717e9f535eb8eb57a9c09ceeec00b003a004dfad35ba8e381d5b4bbd5
-
SHA512
88f7ad9c813ad9e581826dbc0f7bc0a19dd73ea8afbc85f02fab2665a9c1ea325485cf60c9644da2123dfc8e7139c8c11a04f03f6f0e26d0fd4ec1ce90146215
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAHi:n6a+1SEOtEvwDpjYYvQd2PC
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 2024-05-31_906ab6300c8b539bc2e9525cfb5b31f4_cryptolocker
Files
-
2024-05-31_906ab6300c8b539bc2e9525cfb5b31f4_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: 11KB - 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