Behavioral task
behavioral1
Sample
2024-04-24_f380afbe2cdda4edd9aa3f6d6619f905_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_f380afbe2cdda4edd9aa3f6d6619f905_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-24_f380afbe2cdda4edd9aa3f6d6619f905_cryptolocker
-
Size
60KB
-
MD5
f380afbe2cdda4edd9aa3f6d6619f905
-
SHA1
837723bccab58512d75112148393e8fa44565521
-
SHA256
4228e5995beb30fdcbfd6ef8c9cbe467549beea7155200e6b44d90e1b6dff52a
-
SHA512
a59b9313f8f70ab1eaf892f698f8d2720471c05b48f2b131d874695feb6eda2a666a8975189d1d96c4fa480fc5fad1138562f44f5ec5e8301f31008c6ca6c51b
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1J7d:z6QFElP6n+gKmddpMOtEvwDpj9aYaz7d
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 2024-04-24_f380afbe2cdda4edd9aa3f6d6619f905_cryptolocker
Files
-
2024-04-24_f380afbe2cdda4edd9aa3f6d6619f905_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