Behavioral task
behavioral1
Sample
2024-01-23_2c905d5d43a7db2185f949cc1ff8f375_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-23_2c905d5d43a7db2185f949cc1ff8f375_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-01-23_2c905d5d43a7db2185f949cc1ff8f375_cryptolocker
-
Size
56KB
-
MD5
2c905d5d43a7db2185f949cc1ff8f375
-
SHA1
9ec7c5e5c173f479524c24e89f2cdc9c1b9ad7ef
-
SHA256
28f3f0a5f530191d34ca295f583442bd1663464d4bad9c2d0b5e7fa1993f4149
-
SHA512
91dfe24d7448ce96b6c071879aae168341fd8f7cf2e68541fafd442d424a3b0cbbaa6cfa73edd6bc426842f403d8bdd0bbd8958cfdcb4e9182db9dd5cb480df5
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appv:z6QFElP6n+gKmddpMOtEvwDpj9aYaf
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_2c905d5d43a7db2185f949cc1ff8f375_cryptolocker
Files
-
2024-01-23_2c905d5d43a7db2185f949cc1ff8f375_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