Behavioral task
behavioral1
Sample
2024-02-23_41b3333c01909a839f876ee72fd65079_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_41b3333c01909a839f876ee72fd65079_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-23_41b3333c01909a839f876ee72fd65079_cryptolocker
-
Size
57KB
-
MD5
41b3333c01909a839f876ee72fd65079
-
SHA1
97577bfa54cb77f33d282771f6984c4c551031da
-
SHA256
71a93ce224db572e1e54d29bc81f5191bab08f4cb286c523a9827df78bcc6e08
-
SHA512
176adcf1ad3db0b91707495dcea5ab90ec8a6b0cc955bde926235f1546357c9c1f8df9661aa34824843ac8453a5ef02ddbeef18381d20e7014e5d17c6aa7cc8b
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appRRG:z6QFElP6n+gKmddpMOtEvwDpj9aYa3G
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 2024-02-23_41b3333c01909a839f876ee72fd65079_cryptolocker
Files
-
2024-02-23_41b3333c01909a839f876ee72fd65079_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