Static task
static1
Behavioral task
behavioral1
Sample
2024-04-29_81fd5a0ecc09b8d33167416bdf5491d6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_81fd5a0ecc09b8d33167416bdf5491d6_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-04-29_81fd5a0ecc09b8d33167416bdf5491d6_cryptolocker
-
Size
44KB
-
MD5
81fd5a0ecc09b8d33167416bdf5491d6
-
SHA1
fce699fc0145fa073b69dd41ea3fae57eb0df1c4
-
SHA256
9e59e0f659afb340c623a678a55821370fa734745de681e009a1b2d376dec18f
-
SHA512
4988cadd5470d1c625e85ba021ee5addc4c836b3f368f457dc0e2ee75a3614e8227624fa5e236faf1db9288e348bb66daaff3e1ad6acdd3a4fbf7488da9a775e
-
SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5jqB:m5nkFNMOtEvwDpjG8hhXj5U
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-29_81fd5a0ecc09b8d33167416bdf5491d6_cryptolocker
Files
-
2024-04-29_81fd5a0ecc09b8d33167416bdf5491d6_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE