Behavioral task
behavioral1
Sample
2024-04-17_b0d45fec31d905624ac5d8a75ab19a68_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-17_b0d45fec31d905624ac5d8a75ab19a68_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-17_b0d45fec31d905624ac5d8a75ab19a68_cryptolocker
-
Size
65KB
-
MD5
b0d45fec31d905624ac5d8a75ab19a68
-
SHA1
e5d2fc98b858c0be3d14cd9ef655ebef8662410e
-
SHA256
1f5cb1f846077f1387308b6494b168b5d3048f51f6d58be8a0f9567555f0d2cf
-
SHA512
f043f63e45e73f68fa50f4bede2a2936c3ef98446e37b6d9e2a33f96aa944165a21349464d1d8c589878934f2d8f24991d11fd528dc42ff679f3ecb041dcc5b0
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5Bp:zj+soPSMOtEvwDpj4kpmeLmQ/p
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_b0d45fec31d905624ac5d8a75ab19a68_cryptolocker
Files
-
2024-04-17_b0d45fec31d905624ac5d8a75ab19a68_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