Static task
static1
Behavioral task
behavioral1
Sample
2024-04-22_ef0be913fa66f6d659f1451815d36911_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-22_ef0be913fa66f6d659f1451815d36911_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_ef0be913fa66f6d659f1451815d36911_cryptolocker
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Size
43KB
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MD5
ef0be913fa66f6d659f1451815d36911
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SHA1
8658a8fd436c2934759714969b095370eb4c1459
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SHA256
0b1db3a9bf1542a420cc70deb2bd653b1c77feca66b9125da596a56fe83d7d37
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SHA512
9ef71ea8c47bf6dc2bb10405445b821548547eda0ae0f7f750a036dfc5abb768663252aff4dc024e250c2521baf0645f18423c458f4532e8968c951dacbf7987
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5jv:m5nkFNMOtEvwDpjG8hhXj5j
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 2024-04-22_ef0be913fa66f6d659f1451815d36911_cryptolocker
Files
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2024-04-22_ef0be913fa66f6d659f1451815d36911_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