Static task
static1
Behavioral task
behavioral1
Sample
2024-04-20_a4b28c2ef0bd2146d1569df33256e676_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_a4b28c2ef0bd2146d1569df33256e676_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-20_a4b28c2ef0bd2146d1569df33256e676_cryptolocker
-
Size
103KB
-
MD5
a4b28c2ef0bd2146d1569df33256e676
-
SHA1
5f6516d110aeffbce4b794c371f92e5535bbc4cd
-
SHA256
6407678fe78dc4b3206270276062d172f2b3d2f63a7529c1b041700fa43f365e
-
SHA512
91371da8375a3939b1d6d05b725b3f455e601866cb7c090cd3659030be8d7e4e04e163cff744fad47076f621ec8931bded8b1887cf984298e019e0865303ba12
-
SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2NMeX:xj+VGMOtEvwDpjubwQEIiVmkxv/LX
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-20_a4b28c2ef0bd2146d1569df33256e676_cryptolocker
Files
-
2024-04-20_a4b28c2ef0bd2146d1569df33256e676_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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