Behavioral task
behavioral1
Sample
2024-04-11_13b3a87511b6f81395be2df29d8b071f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-11_13b3a87511b6f81395be2df29d8b071f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-11_13b3a87511b6f81395be2df29d8b071f_cryptolocker
-
Size
59KB
-
MD5
13b3a87511b6f81395be2df29d8b071f
-
SHA1
f858f3ac66c311bd86aebd286c0c48aaf5b508e9
-
SHA256
a3bdc64107a8eaca7404a449fcf727a2e4db60db2a106c234251fecdfeb113eb
-
SHA512
37fd2858e375cd7ff8ef7ea4391145f9d2beb986091d0ba26db39e7b0b8ace1515c9087e85b7ecdd37abc732eae44062b3d4c78179d27e770c9fe26b8bcc8734
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpysnymS:zj+soPSMOtEvwDpj4yRymS
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 2024-04-11_13b3a87511b6f81395be2df29d8b071f_cryptolocker
Files
-
2024-04-11_13b3a87511b6f81395be2df29d8b071f_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