Behavioral task
behavioral1
Sample
2024-02-23_7cb41603eefc2077f50be50dc64ef3ab_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_7cb41603eefc2077f50be50dc64ef3ab_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-23_7cb41603eefc2077f50be50dc64ef3ab_cryptolocker
-
Size
81KB
-
MD5
7cb41603eefc2077f50be50dc64ef3ab
-
SHA1
1e1dc6cb8cff2b4e8f5efdcc86a9e77a3cd67c7f
-
SHA256
643247446a9b4b4c548e149ab32e626f89c485c17c0ac66b5a9eadb66f479512
-
SHA512
f7381bdf0b982900085ee7530298a133757f4cf156b2e38c7f4dcd269c2a02b7743bfd8f895b92bbc5ee7bde47e517b19b7e20a5aaeb16dd4b94867a4d686ba7
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0iS:T6a+rdOOtEvwDpjNto
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 2024-02-23_7cb41603eefc2077f50be50dc64ef3ab_cryptolocker
Files
-
2024-02-23_7cb41603eefc2077f50be50dc64ef3ab_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