Static task
static1
Behavioral task
behavioral1
Sample
2024-04-08_3f4d0c44d31e2505e8cdd163894d7c65_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_3f4d0c44d31e2505e8cdd163894d7c65_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-08_3f4d0c44d31e2505e8cdd163894d7c65_cryptolocker
-
Size
47KB
-
MD5
3f4d0c44d31e2505e8cdd163894d7c65
-
SHA1
81f7d36cd4a250d455d292032864ebe38c9d9d95
-
SHA256
aa54f4699f9163e6f111fbba8f0e99713d57b9c366b26dd366028cd9fc05fb64
-
SHA512
d0d923fc5a72245c044cc1d7cf0f6bf067d7dd9f681b0a1fd07c77a38faea6f3e314a3ac81544e135c0bc4772b9597acd4cd0c428ba0d1cd5d8972774e48b60d
-
SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/BdmRhI:XS5nQJ24LR1bytOOtEvwDpjNbP/bm3I
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 2024-04-08_3f4d0c44d31e2505e8cdd163894d7c65_cryptolocker
Files
-
2024-04-08_3f4d0c44d31e2505e8cdd163894d7c65_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: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE