Behavioral task
behavioral1
Sample
2024-04-24_ef1dc0bb3e3346256d53ea30b1117d5c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_ef1dc0bb3e3346256d53ea30b1117d5c_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-24_ef1dc0bb3e3346256d53ea30b1117d5c_cryptolocker
-
Size
52KB
-
MD5
ef1dc0bb3e3346256d53ea30b1117d5c
-
SHA1
acc8a3f431bcf98fe04fde88bd58f62bf3d5f38b
-
SHA256
e63a4d5cfe693c743a0bf31a39ef580014ff30a41f19f2b131416134169c5195
-
SHA512
403a24d15dc65f4ed95ebee7a7021813e0367f2c04a30886c69029f241837b2ed40e8dd9da62bb1e6065321c9164b6e57ab3468d36758eda9d0065012fbaa833
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOklc:z6QFElP6n+gKmddpMOtEvwDpj31iklc
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 2024-04-24_ef1dc0bb3e3346256d53ea30b1117d5c_cryptolocker
Files
-
2024-04-24_ef1dc0bb3e3346256d53ea30b1117d5c_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: 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