Behavioral task
behavioral1
Sample
2024-01-26_87937ea6cacd161cfa9d955ba681a924_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_87937ea6cacd161cfa9d955ba681a924_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-26_87937ea6cacd161cfa9d955ba681a924_cryptolocker
-
Size
82KB
-
MD5
87937ea6cacd161cfa9d955ba681a924
-
SHA1
2fa5044524f3b7f7b7ceb45431dfb560e50dedde
-
SHA256
375fa7a681a5ab54141e8e151e4989cee3a54578d09268e2747b943e6fa62ce9
-
SHA512
7be7b6931e3859d8005562ff01d397882d41b6a370329d5ccfb17810ed718ffd09d1c7a3208def1a88cb693789c7d35218741b17e29b7d3d15a42a2900bc8dc5
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1bm:zCsanOtEvwDpjc
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 2024-01-26_87937ea6cacd161cfa9d955ba681a924_cryptolocker
Files
-
2024-01-26_87937ea6cacd161cfa9d955ba681a924_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