Behavioral task
behavioral1
Sample
2024-05-22_ef29eec03e194942892863a026a6f57d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-22_ef29eec03e194942892863a026a6f57d_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-22_ef29eec03e194942892863a026a6f57d_cryptolocker
-
Size
79KB
-
MD5
ef29eec03e194942892863a026a6f57d
-
SHA1
89f7dfcd5a1b016aa36fa1af7c9617d5e0813ca3
-
SHA256
fe4093e0e4d091043abcc46617d68d2cd983295d5c7c24b2b2eee1ca41b0a477
-
SHA512
c947666bbd56ff01d4b3a3b40f1f3b158fe2a5b75cb19e0c746939bc3015812c96d7a973f43ed566c1f7907c0a002d591a7eca5decce47ecf8ccb1680f363571
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRk:T6a+rdOOtEvwDpjNtp
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 2024-05-22_ef29eec03e194942892863a026a6f57d_cryptolocker
Files
-
2024-05-22_ef29eec03e194942892863a026a6f57d_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