Behavioral task
behavioral1
Sample
2024-03-08_a903bcfe3a22f9b652134eb784f9c599_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_a903bcfe3a22f9b652134eb784f9c599_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-08_a903bcfe3a22f9b652134eb784f9c599_cryptolocker
-
Size
57KB
-
MD5
a903bcfe3a22f9b652134eb784f9c599
-
SHA1
52f404cd4a828f71f7aced5cfc14b2aa0caa6832
-
SHA256
7999885c2c112aff18a14d8648ea2a897c1523dfab5b2763f6ebfdd004b969b1
-
SHA512
61b505e3e6feda3860488fdb97f7fbc7e8d13bb805e36381f60409f3cc10a61dbcbbdf07e9be21dea37339169b85ea69e78081a5c86f17a7fda60f8e34b1df47
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appy:z6QFElP6n+gKmddpMOtEvwDpj9aYai
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 2024-03-08_a903bcfe3a22f9b652134eb784f9c599_cryptolocker
Files
-
2024-03-08_a903bcfe3a22f9b652134eb784f9c599_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_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