Behavioral task
behavioral1
Sample
2024-02-17_2efe073f5de4368d98d676bd4887d9bc_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_2efe073f5de4368d98d676bd4887d9bc_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-17_2efe073f5de4368d98d676bd4887d9bc_cryptolocker
-
Size
82KB
-
MD5
2efe073f5de4368d98d676bd4887d9bc
-
SHA1
beca126d68a0d679b160f6fc6a7bc4b6e0355fb1
-
SHA256
a3ff9e3083884e5257771d3d92c6b04c55de2c19edcb5162a6ef8e9e3f724252
-
SHA512
1e9213572575e24a243440fedd31f35e8847fe0dab97305f81513370a2418e7c1cc018266ab84e37095a0ff3491c797b812ae080b5cb12a4378565fcb2350fcf
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1T:zCsanOtEvwDpjZ
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 2024-02-17_2efe073f5de4368d98d676bd4887d9bc_cryptolocker
Files
-
2024-02-17_2efe073f5de4368d98d676bd4887d9bc_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