Static task
static1
Behavioral task
behavioral1
Sample
2024-02-17_36c6b5e88a5d11e2860196e27c4971f9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-17_36c6b5e88a5d11e2860196e27c4971f9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-17_36c6b5e88a5d11e2860196e27c4971f9_cryptolocker
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Size
38KB
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MD5
36c6b5e88a5d11e2860196e27c4971f9
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SHA1
b7674dfc732e8f03262e9884a3bdd87034a8af27
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SHA256
10976285c969720da0fd6dd6aad0b7526c500a7bd68f54ae932bda8fd76d1705
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SHA512
77ab74e83951fefaef2ce820799442dc11997bd0e4d8767bdfce4d5cba2078ba19149a7e80673005912ed81e06bd8b5c3e21f60e8eaef02e932171ddc20666cd
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/ysTLP:i5nkFGMOtEvwDpjR+viDPP
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 2024-02-17_36c6b5e88a5d11e2860196e27c4971f9_cryptolocker
Files
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2024-02-17_36c6b5e88a5d11e2860196e27c4971f9_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