Behavioral task
behavioral1
Sample
2024-04-21_28ac8b6f981270db9194dffa45d0098a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-21_28ac8b6f981270db9194dffa45d0098a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-21_28ac8b6f981270db9194dffa45d0098a_cryptolocker
-
Size
51KB
-
MD5
28ac8b6f981270db9194dffa45d0098a
-
SHA1
a3c1dce69a005b9cd9ae7d7432036f8ef76bcf93
-
SHA256
bcf52ce7a41e6c2df5791d300020a8c42a01468d13c32a22d5393831a8e83345
-
SHA512
3c7ed36bf09d2e949c76951c9fafa4e6cc250b38b71276f41b6807ee09f4c25cc535aba1e5708b2f0c3ba4edcff09c4058b7c39c74a7f5e807ff470a12442942
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOdq:z6QFElP6n+gKmddpMOtEvwDpj31iE
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 2024-04-21_28ac8b6f981270db9194dffa45d0098a_cryptolocker
Files
-
2024-04-21_28ac8b6f981270db9194dffa45d0098a_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