Static task
static1
Behavioral task
behavioral1
Sample
2024-05-13_39bff4e1a2988f51216d5923c5a85586_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-13_39bff4e1a2988f51216d5923c5a85586_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-13_39bff4e1a2988f51216d5923c5a85586_cryptolocker
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Size
43KB
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MD5
39bff4e1a2988f51216d5923c5a85586
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SHA1
2893102fabdd31c9c3b445b5e7b6b0548bec5ed0
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SHA256
dd2b2bfb2c033b50bb0895d43799980939e2985e4b521c170ddfa0613fd46096
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SHA512
ad312edbf335efca09028f2c9bd637519fcf6f5c72212ea38c0b0d0a00f481de2b48b84c75e5b9fffb42f09838c155d0ed1a286f7f99ef847e16bf2bdf7c1505
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5jX:m5nkFNMOtEvwDpjG8hhXj5r
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 2024-05-13_39bff4e1a2988f51216d5923c5a85586_cryptolocker
Files
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2024-05-13_39bff4e1a2988f51216d5923c5a85586_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