Behavioral task
behavioral1
Sample
2024-01-18_681d8935076b35bcbcdb1f1d502ab4a9_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_681d8935076b35bcbcdb1f1d502ab4a9_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-01-18_681d8935076b35bcbcdb1f1d502ab4a9_cryptolocker
-
Size
54KB
-
MD5
681d8935076b35bcbcdb1f1d502ab4a9
-
SHA1
2c3ec734b0caa760fcaae58b38756bc26bf12330
-
SHA256
78f3425dc3fcd5806f61abbc0fed0f58fda4010a2d3906bacdd1573f84f9d2ab
-
SHA512
e3162a69dbf4f3207d1d0f0e7abf3d32d45997c8b3246fb2b92481028819006dd1ca4ad15792adac9f99a9818a671393fa153690bd61b89fbf2a5b31c12c0d46
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ap1:z6QFElP6n+gKmddpMOtEvwDpj9aYa7
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 2024-01-18_681d8935076b35bcbcdb1f1d502ab4a9_cryptolocker
Files
-
2024-01-18_681d8935076b35bcbcdb1f1d502ab4a9_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_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