Behavioral task
behavioral1
Sample
2024-02-24_2a4756a0542a88697674c3a5e7b1809c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_2a4756a0542a88697674c3a5e7b1809c_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-24_2a4756a0542a88697674c3a5e7b1809c_cryptolocker
-
Size
80KB
-
MD5
2a4756a0542a88697674c3a5e7b1809c
-
SHA1
a525a5bd0af96413797c9c2d3782f0ec9f1e0755
-
SHA256
6c9a7a103d6ff3115b6c292300626ee563ebadca34f9661075a1d15d278a85bc
-
SHA512
0ecab74f552b6123a2e6e17a62ae8639c36d27e95a4ea55d9ec06f9612854c602fdb900c0cd307c7f5afa59f07812f24fea25e6f6c50cf717d52c31b41e5111c
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky2Q:zCsanOtEvwDpjG
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 2024-02-24_2a4756a0542a88697674c3a5e7b1809c_cryptolocker
Files
-
2024-02-24_2a4756a0542a88697674c3a5e7b1809c_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