Static task
static1
Behavioral task
behavioral1
Sample
2024-03-14_aff5a94f9990f694ea7629c0ab6229f7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_aff5a94f9990f694ea7629c0ab6229f7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_aff5a94f9990f694ea7629c0ab6229f7_cryptolocker
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Size
100KB
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MD5
aff5a94f9990f694ea7629c0ab6229f7
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SHA1
685d3071dd1cc0e7583fc1ca9e69897c21c76382
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SHA256
f96a64e5797b461bedd45bdee46d4b762a9473fa402b44a09b81c522996bb91e
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SHA512
241ab7aa31b7d310f586138129d6e4e5732585322d3cc597369c729d7520abf5d67addf21928399b01df72827c4aad873f39b06efadb025ff517e3dd72f52c6a
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjz/66pK:i5nkFGMOtEvwDpjNbwQEIikrw
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 2024-03-14_aff5a94f9990f694ea7629c0ab6229f7_cryptolocker
Files
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2024-03-14_aff5a94f9990f694ea7629c0ab6229f7_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