Behavioral task
behavioral1
Sample
2024-06-04_f2e876cf8ad8908357289867cd328f4a_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-04_f2e876cf8ad8908357289867cd328f4a_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-06-04_f2e876cf8ad8908357289867cd328f4a_cryptolocker
-
Size
91KB
-
MD5
f2e876cf8ad8908357289867cd328f4a
-
SHA1
d06ef0b4f73276781f0b5ecec4a081cc27cb7c32
-
SHA256
d884b650110021f19c76393299f4632e766fa18dcbc68a882f3d2522e3552d26
-
SHA512
39708fce78e8ac9f07de570f033cdd8269cb560a222d32fa6c3b7bc48f67dc272beade44e26d8e0657b839edaf61e973885b41e04a4df823bdcc7e1bcebf451a
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/yN:n6a+1SEOtEvwDpjYYvQd2Pt
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 2024-06-04_f2e876cf8ad8908357289867cd328f4a_cryptolocker
Files
-
2024-06-04_f2e876cf8ad8908357289867cd328f4a_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