Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_b1c51363b15f44f0146c71015b946b89_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_b1c51363b15f44f0146c71015b946b89_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_b1c51363b15f44f0146c71015b946b89_cryptolocker
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Size
84KB
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MD5
b1c51363b15f44f0146c71015b946b89
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SHA1
ca79a70142c69a3b33c2baa3a714b129738d5d80
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SHA256
7c55052c037342fef418ceeeeba8343e5e4f324ada76f9d857990d2799715171
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SHA512
556d23a0d9f6f4176879edab9146dda6365a95a0972d5d03107edcdab2d5f32f37ce6f5d1f61ab8b7ae9fd52f5fcb8f56808eefa808ed6d6c17e9c66003f7d91
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvP2Ii:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8A
Malware Config
Signatures
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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 2024-02-23_b1c51363b15f44f0146c71015b946b89_cryptolocker
Files
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2024-02-23_b1c51363b15f44f0146c71015b946b89_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