Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_b5b33cd16699d3d7b3e46a677eb9a862_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_b5b33cd16699d3d7b3e46a677eb9a862_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_b5b33cd16699d3d7b3e46a677eb9a862_cryptolocker
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Size
46KB
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MD5
b5b33cd16699d3d7b3e46a677eb9a862
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SHA1
91b76b09e72171790a6bb66a339ae29c66fc0dd5
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SHA256
71e6438c1d8627e3de62880517f7414a7d9ff1173d7ea5f6f6774a8c2a239603
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SHA512
f08eacebf2752c9e1ea737692b7503651aeb92fb11b648d94cb4b2fb31e4c555e77006aff8362e0d819f505d1db2f68fff19bfb096e66b1e0d56813b3577e4e1
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SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/7IQr:XS5nQJ24LR1bytOOtEvwDpjNbP/MQr
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 2024-01-28_b5b33cd16699d3d7b3e46a677eb9a862_cryptolocker
Files
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2024-01-28_b5b33cd16699d3d7b3e46a677eb9a862_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