Static task
static1
Behavioral task
behavioral1
Sample
2024-05-01_81d9c30a63b468e2622a232133a96f1c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-01_81d9c30a63b468e2622a232133a96f1c_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_81d9c30a63b468e2622a232133a96f1c_cryptolocker
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Size
67KB
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MD5
81d9c30a63b468e2622a232133a96f1c
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SHA1
4404a423da3040a18c80fe91d473d360376236bf
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SHA256
83d7e3be1d27a442c3f3ce679afc0cfbcd69fdda9ab812470c163d378c9c8330
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SHA512
67de92bd676e99715d5bb785a508d34346a4182f5f5fe31fe0ad595e76b35e45aa597954c6c85f75df5d5e98e34c5007a9f408e3144fab38fe41859db7386aae
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/oGqrH:i5nkFGMOtEvwDpjNbwQEI8UZDQVL
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 2024-05-01_81d9c30a63b468e2622a232133a96f1c_cryptolocker
Files
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2024-05-01_81d9c30a63b468e2622a232133a96f1c_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