Behavioral task
behavioral1
Sample
2024-04-20_2a3bb4d5af37ce7e7a57e416a8994588_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-20_2a3bb4d5af37ce7e7a57e416a8994588_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-20_2a3bb4d5af37ce7e7a57e416a8994588_cryptolocker
-
Size
79KB
-
MD5
2a3bb4d5af37ce7e7a57e416a8994588
-
SHA1
e26bdf213366451e7104063021b101226e5de332
-
SHA256
6f6a50d87b7efb65b93125fee6ca9f51ad6ffd1a0371fa4882319e81646ca30d
-
SHA512
7697662ca832d8ccc70a02a4271a2a39e4ef899132b83ab80a572ca05b23ec1da68af5cccb2899585d408bf34064fabe612572f2ee6f5354b3d1cbd0265a8e3b
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdO:T6a+rdOOtEvwDpjNtk
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 2024-04-20_2a3bb4d5af37ce7e7a57e416a8994588_cryptolocker
Files
-
2024-04-20_2a3bb4d5af37ce7e7a57e416a8994588_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