Static task
static1
Behavioral task
behavioral1
Sample
2024-02-20_497f5fb29cec2da8bec29dafb65da883_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_497f5fb29cec2da8bec29dafb65da883_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_497f5fb29cec2da8bec29dafb65da883_cryptolocker
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Size
64KB
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MD5
497f5fb29cec2da8bec29dafb65da883
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SHA1
09911fc2a94f14fbf9db6f5a3c426ece4ced8eec
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SHA256
33e9d8a7b9fe4fc3072e13e89438f95decb90d9eb458a7d13f2b48e1f1536323
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SHA512
ed52d9d3ef2378b00f6b6f8ee03f69b035cd729f488bc00478c341fc27495aa0fc6ae41601ead470eb003a61efa57eed61000932c4a4b87a7ac3cb1caaa62e35
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUIX:i5nkFGMOtEvwDpjNbwQEI8UO
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 2024-02-20_497f5fb29cec2da8bec29dafb65da883_cryptolocker
Files
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2024-02-20_497f5fb29cec2da8bec29dafb65da883_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