Behavioral task
behavioral1
Sample
2024-01-27_347ed70f66590db8448c61b6f34e883b_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_347ed70f66590db8448c61b6f34e883b_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-27_347ed70f66590db8448c61b6f34e883b_cryptolocker
-
Size
77KB
-
MD5
347ed70f66590db8448c61b6f34e883b
-
SHA1
4539fdf21b15d71a6b30e0f42025b8dc0dfca6ae
-
SHA256
9f9751b09e4b6da72b794b018689ca9fbca01f9cfe1bcd482e8c55c5c2b44be1
-
SHA512
a34aa26e1924130f620399401e1b309c098e85eab1ba04ed41db03eff0737be65e15defd3b268e80a873c20873b45b8d61f81a207a33ed82b511c7916cf89f1a
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QN:zCsanOtEvwDpj5
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 2024-01-27_347ed70f66590db8448c61b6f34e883b_cryptolocker
Files
-
2024-01-27_347ed70f66590db8448c61b6f34e883b_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