Behavioral task
behavioral1
Sample
2024-02-29_36af5dd276795d7b9d75eab37c1bb7e1_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-29_36af5dd276795d7b9d75eab37c1bb7e1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-02-29_36af5dd276795d7b9d75eab37c1bb7e1_cryptolocker
-
Size
73KB
-
MD5
36af5dd276795d7b9d75eab37c1bb7e1
-
SHA1
66c22b655f8bd24537918562ce03b8e040451f84
-
SHA256
74e8386c27aa8d072b74e0e5a9c518009e9aab0c172f41079acaa1b5f9f77c3d
-
SHA512
f438eed2fd9bdd0ab79a0746e6b552b4d5e434432216d51897ca95cdaebd8b82b70970e15a4e99cd4941bd7500feeba2c59a38e790a9cf5d64ad859f57e835b9
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx7:T6a+rdOOtEvwDpjNtHPU
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 2024-02-29_36af5dd276795d7b9d75eab37c1bb7e1_cryptolocker
Files
-
2024-02-29_36af5dd276795d7b9d75eab37c1bb7e1_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