Behavioral task
behavioral1
Sample
2024-02-28_befd8ea4e898aff3dfe5c423a121a136_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-28_befd8ea4e898aff3dfe5c423a121a136_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-02-28_befd8ea4e898aff3dfe5c423a121a136_cryptolocker
-
Size
62KB
-
MD5
befd8ea4e898aff3dfe5c423a121a136
-
SHA1
38333894d0079e5114d2e064641bd2d786e1fd53
-
SHA256
2a5dc65b2c5ca748ec0f633eb63502e676e741b353b249f3e81c6b566ca58367
-
SHA512
0e11c845329879c489c3e39dd587f71fab1959943d8c50114da04d5e9d5b970d09af9bee1c02c004878ab62eddf92ba4455df1e6285ad01d135ffdb3fe63726d
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVP12:zj+soPSMOtEvwDpj4kpmeLmnW
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 2024-02-28_befd8ea4e898aff3dfe5c423a121a136_cryptolocker
Files
-
2024-02-28_befd8ea4e898aff3dfe5c423a121a136_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