Static task
static1
Behavioral task
behavioral1
Sample
2024-04-24_8527b5e3d6a2845f58546b5c3e31bceb_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_8527b5e3d6a2845f58546b5c3e31bceb_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_8527b5e3d6a2845f58546b5c3e31bceb_cryptolocker
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Size
41KB
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MD5
8527b5e3d6a2845f58546b5c3e31bceb
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SHA1
3ef7d1a4b073b396b02ecf8a670a0e47cda31234
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SHA256
4f8d072239bbe289da3c1bad0b6f36707ba90c5f3686e50342c41f9b70556670
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SHA512
2d009df2dbd9098f0dca33bdd715c9fa9270a32bdce1a1ea9bd17281375de170d9a71af63d2e9d0060c047b6308b5e2d59f0652e912da0f58ff8785ed046cdda
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZd:i5nkFGMOtEvwDpjR+viHsT
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 2024-04-24_8527b5e3d6a2845f58546b5c3e31bceb_cryptolocker
Files
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2024-04-24_8527b5e3d6a2845f58546b5c3e31bceb_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