Behavioral task
behavioral1
Sample
2024-04-26_4e6b2b7903fd8f71350c080340aa1765_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-26_4e6b2b7903fd8f71350c080340aa1765_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-26_4e6b2b7903fd8f71350c080340aa1765_cryptolocker
-
Size
55KB
-
MD5
4e6b2b7903fd8f71350c080340aa1765
-
SHA1
7270ea33a6038eeb7a179d6c023b647cad3076ad
-
SHA256
bce10e6c8c2bf88f48fddf42b9f4df40fe3ef655012ae78600597a32b39e9107
-
SHA512
038b53eddd39386f28722bcf78143f525933ada519fe4b586af0bcfa527326adb670c3697d5b0dd3f9fd74d1609230ae8e10f7088db625e9b59204ff9465998e
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+i:bP9g/xtCS3Dxx0Ji
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-26_4e6b2b7903fd8f71350c080340aa1765_cryptolocker
Files
-
2024-04-26_4e6b2b7903fd8f71350c080340aa1765_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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