Behavioral task
behavioral1
Sample
2024-04-17_a328ac48c2d94cd5e2b1ede2e7e2d48d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_a328ac48c2d94cd5e2b1ede2e7e2d48d_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-17_a328ac48c2d94cd5e2b1ede2e7e2d48d_cryptolocker
-
Size
85KB
-
MD5
a328ac48c2d94cd5e2b1ede2e7e2d48d
-
SHA1
c0540e845790cb4ccf485f01df0d53d2b505277f
-
SHA256
b611947f181fcf7c4b49efaa49b5aab76400a6a2b8f221e6a280e6b8274cc380
-
SHA512
da58a2bf718daa4b8cff0828ecec92da08f1b669219e68314a34a05a8d9f7f4f42c9ae9e2b0d491413595af05669b6a35ff2edb5f551e22f77f4e69b60962ed1
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1/3A:zCsanOtEvwDpjO
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 2024-04-17_a328ac48c2d94cd5e2b1ede2e7e2d48d_cryptolocker
Files
-
2024-04-17_a328ac48c2d94cd5e2b1ede2e7e2d48d_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_CODE
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