Behavioral task
behavioral1
Sample
2024-04-06_b2140fefeee5816928425b98537a45e9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_b2140fefeee5816928425b98537a45e9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-06_b2140fefeee5816928425b98537a45e9_cryptolocker
-
Size
84KB
-
MD5
b2140fefeee5816928425b98537a45e9
-
SHA1
0ec8ec7c559dc92a5d13386a112ba59bcafa2946
-
SHA256
475025c33113a0dba7f63c71b384df6e5944769d227345f6a46d88c43e6d3bf1
-
SHA512
40b7c9fbd02c4f73d7e435772fdc13dcfa560d1880355fe3b390ce18c0bf865e1bc07270c7842390800c6b9516e8540423d13178c5237c9ecee2de40094866f7
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5J:T6a+rdOOtEvwDpjNm
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 2024-04-06_b2140fefeee5816928425b98537a45e9_cryptolocker
Files
-
2024-04-06_b2140fefeee5816928425b98537a45e9_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