Behavioral task
behavioral1
Sample
2024-03-08_a0094e6d9f09ccfe9458c0a6f845aab7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_a0094e6d9f09ccfe9458c0a6f845aab7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-03-08_a0094e6d9f09ccfe9458c0a6f845aab7_cryptolocker
-
Size
80KB
-
MD5
a0094e6d9f09ccfe9458c0a6f845aab7
-
SHA1
f4a2884a555697803d0d6ff35b15ab802acc1240
-
SHA256
16a4261ba4dc0937261e5af1c47c10de919fab921b851f623736a2bbd899ca2e
-
SHA512
9234383a9652df66663a72972c6849060a4c91b7e5032b70e90928ae8a35556ebbbfe18355039e631a25fda26fa1935a5a313ba38285431a7cda68bc84c0a86c
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdphp:T6a+rdOOtEvwDpjNtn
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 2024-03-08_a0094e6d9f09ccfe9458c0a6f845aab7_cryptolocker
Files
-
2024-03-08_a0094e6d9f09ccfe9458c0a6f845aab7_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