Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_99a12ad09a11ed7d2fe6df38b64d4ca1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_99a12ad09a11ed7d2fe6df38b64d4ca1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_99a12ad09a11ed7d2fe6df38b64d4ca1_cryptolocker
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Size
39KB
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MD5
99a12ad09a11ed7d2fe6df38b64d4ca1
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SHA1
f2ab8b179088bc5a0e2cd7090100a45a9035664c
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SHA256
84e4a3b4fe92e3671ea6e682a8db80deb30cca169aca8c5d5e0304eb69e20621
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SHA512
18e29d1d5376ebb8283584ead0cb72ad86f9e747f7530c0acc72303959192329bc6c96164ef3898d4235ca716d9fd67f6af3910880cb13f3c9c337e5c890b22f
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRY+y:m5nkFNMOtEvwDpjG8hhXy+y
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 2024-02-13_99a12ad09a11ed7d2fe6df38b64d4ca1_cryptolocker
Files
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2024-02-13_99a12ad09a11ed7d2fe6df38b64d4ca1_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