Behavioral task
behavioral1
Sample
2024-05-01_4bb6b23ae6d37874f9c419bfb5c4c885_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-01_4bb6b23ae6d37874f9c419bfb5c4c885_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-05-01_4bb6b23ae6d37874f9c419bfb5c4c885_cryptolocker
-
Size
79KB
-
MD5
4bb6b23ae6d37874f9c419bfb5c4c885
-
SHA1
b64564039c9e2f0fbb50f8e6ba6a0d6c7b43e830
-
SHA256
579d13fcefbc2ea5b4e17a4d645d75a28dc33f7b98d01eb7a097ccedf654b388
-
SHA512
bd6bcd7007cb0c7d1337db4a411c1a79c4337b78b65022643647315682f16ad7d4d761e9a6f553554abb37ffe9efbe0399014feef8bb13692128a68c9f2caa00
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuqUk:T6a+rdOOtEvwDpjNcC
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 2024-05-01_4bb6b23ae6d37874f9c419bfb5c4c885_cryptolocker
Files
-
2024-05-01_4bb6b23ae6d37874f9c419bfb5c4c885_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