Behavioral task
behavioral1
Sample
2024-01-23_ec5bf3b9fb4ffb3081d4aade5447917e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_ec5bf3b9fb4ffb3081d4aade5447917e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-23_ec5bf3b9fb4ffb3081d4aade5447917e_cryptolocker
-
Size
74KB
-
MD5
ec5bf3b9fb4ffb3081d4aade5447917e
-
SHA1
c92bbe472a51060d8e294fa3b1f8a9cb303a8594
-
SHA256
367718c6362b650ac2985749c5c001c9793c618afe817b44dd973f178ea0af7e
-
SHA512
184e1eb0b89cd333830dead031bdf0bc7b5eac1e61ea63f736c17e594d201c0c46b7ffb170ec428d727b01a4c54736507cf2c5ce18c4f0373fb291c14db9550a
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcbfA:T6a+rdOOtEvwDpjNtSY
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 2024-01-23_ec5bf3b9fb4ffb3081d4aade5447917e_cryptolocker
Files
-
2024-01-23_ec5bf3b9fb4ffb3081d4aade5447917e_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