Static task
static1
Behavioral task
behavioral1
Sample
2024-02-21_f23a9659b142792cb4a05024ccbed37c_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-21_f23a9659b142792cb4a05024ccbed37c_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-21_f23a9659b142792cb4a05024ccbed37c_cryptolocker
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Size
39KB
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MD5
f23a9659b142792cb4a05024ccbed37c
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SHA1
a1a3c552409839c3512f66138397d013095b59e2
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SHA256
c95c69444a9af8252031a6a74ea69960a9fcf57e785b9fa85f06f6cd659cdb14
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SHA512
1883f250a697051125e524b53510b7a5756ea81e98a3ea0dec45624d57567b84fad1f8e54b2a6acdadbc019eef592e5921d092cc5d25f549fd281f5cf45579ce
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/ys87:i5nkFGMOtEvwDpjR+viD87
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 2024-02-21_f23a9659b142792cb4a05024ccbed37c_cryptolocker
Files
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2024-02-21_f23a9659b142792cb4a05024ccbed37c_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