Behavioral task
behavioral1
Sample
2024-03-28_f500faa04c4c34f00a26973bb74c381c_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-28_f500faa04c4c34f00a26973bb74c381c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-28_f500faa04c4c34f00a26973bb74c381c_cryptolocker
-
Size
63KB
-
MD5
f500faa04c4c34f00a26973bb74c381c
-
SHA1
1032474e438adb6fd10904ca84d6a125edf2bb2a
-
SHA256
e6bedc5288ce0e061f333095f3061bbfe34599d47fc08be685020c67b9604ef2
-
SHA512
e3b3072bf529135643cc14846fd5f90960fbadcb2512c26b00e53cf24a901457dc551b6cd5bcb8652349dd27ea4afe59f68391765f61b611b0a152867fbf6c33
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVwfXV:zj+soPSMOtEvwDpj4kpmeLmnwV
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 2024-03-28_f500faa04c4c34f00a26973bb74c381c_cryptolocker
Files
-
2024-03-28_f500faa04c4c34f00a26973bb74c381c_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