Behavioral task
behavioral1
Sample
2024-05-25_4a5e02287284db22594efa8f19ad87c2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-25_4a5e02287284db22594efa8f19ad87c2_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-25_4a5e02287284db22594efa8f19ad87c2_cryptolocker
-
Size
91KB
-
MD5
4a5e02287284db22594efa8f19ad87c2
-
SHA1
43361ed8d37fefe020cbf4bb78c0f4bce52dbabe
-
SHA256
78de7781a66fd98c70a0b417931926c12ad1c3988cbdddc360909c242f8835c9
-
SHA512
a48f2810183bf7af5c4fc7539b9ca006f8946e8d7f241b3ee61e774279a5ee812a1a3ace213d147053fb3a831e47b8a6402fcd1e72ab57da043cb8b49b574325
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAp8:n6a+1SEOtEvwDpjYYvQd2P+
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 2024-05-25_4a5e02287284db22594efa8f19ad87c2_cryptolocker
Files
-
2024-05-25_4a5e02287284db22594efa8f19ad87c2_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: 11KB - 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