Behavioral task
behavioral1
Sample
2024-03-15_94e0d756d423266e65a6a8a51110d95f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_94e0d756d423266e65a6a8a51110d95f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-15_94e0d756d423266e65a6a8a51110d95f_cryptolocker
-
Size
63KB
-
MD5
94e0d756d423266e65a6a8a51110d95f
-
SHA1
922b5e14b9420003c3a96034c0120abee06decdc
-
SHA256
f75e2ce19dd6388d895512adc0e8cc08cf4d209673bc1a30e630f4d7d273d3f7
-
SHA512
9f5c33c684b8ee0ca2b885de240dc69e7970ff9c0f00a78458ab9ef362c2a095ff0a6dfb85a0a7c9b64cde207280ebba59f490747ef74c3bad310c530dd3083d
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVzCBRt:zj+soPSMOtEvwDpj4kpmeLmnZ0
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 2024-03-15_94e0d756d423266e65a6a8a51110d95f_cryptolocker
Files
-
2024-03-15_94e0d756d423266e65a6a8a51110d95f_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