Behavioral task
behavioral1
Sample
2024-05-16_4ef4e45f7c46ab0e6776a533eb510446_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-16_4ef4e45f7c46ab0e6776a533eb510446_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-16_4ef4e45f7c46ab0e6776a533eb510446_cryptolocker
-
Size
81KB
-
MD5
4ef4e45f7c46ab0e6776a533eb510446
-
SHA1
cd13686ffb46768c15d0b64fbdccef83e30b505c
-
SHA256
d7a9b07b3128786390ace253347c1d4a4c25279f6a8036124d01d69459a3c06d
-
SHA512
a4fdee48cdae0516da811ae73dd0c715b8e8b7043f6c4fb88376f4ab3c0c30216b755371e92ebd775b17de5a4ff3d41289ccf9ec74dfdc28a1fd137b655fccae
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QsAN:zCsanOtEvwDpjv
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 2024-05-16_4ef4e45f7c46ab0e6776a533eb510446_cryptolocker
Files
-
2024-05-16_4ef4e45f7c46ab0e6776a533eb510446_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