Behavioral task
behavioral1
Sample
2024-05-03_4f7a4bf96e8009b8d0e900c7419611a9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-03_4f7a4bf96e8009b8d0e900c7419611a9_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-05-03_4f7a4bf96e8009b8d0e900c7419611a9_cryptolocker
-
Size
59KB
-
MD5
4f7a4bf96e8009b8d0e900c7419611a9
-
SHA1
61d53dd35a82742a2391284468b20fa563a6e830
-
SHA256
32641e796108bf69fdfe3212eb5cc9da52e14a73f1c6d6b85b81bca23da7783f
-
SHA512
893054482998557181e5b96e6898ec09c92ae508cd5bb25cee48a8afd960ae92a5291717e8c4852aebc033a006fe7393bd70a330713ecf9d0a69ca3139b92ca5
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appulf0:z6QFElP6n+gKmddpMOtEvwDpj9aYaUf0
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 2024-05-03_4f7a4bf96e8009b8d0e900c7419611a9_cryptolocker
Files
-
2024-05-03_4f7a4bf96e8009b8d0e900c7419611a9_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