Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_a3f02a2ee6757d38e35e191aff7b87e2_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_a3f02a2ee6757d38e35e191aff7b87e2_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_a3f02a2ee6757d38e35e191aff7b87e2_cryptolocker
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Size
98KB
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MD5
a3f02a2ee6757d38e35e191aff7b87e2
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SHA1
4ce9da54ed663bb77725950088619e46bffc9bd3
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SHA256
1a6c1a568f3d39592357809f8e9ef618be8c4775f2c7274c6196bb46e9a9b4d1
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SHA512
309a592589667c27feedc78729f717b322f051e4921f6de82a38f9c34d55e598317d4d34b0a0fae0d379a79e7f14aaee325b952493e599631cd5469ff70a1c2f
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNVc:i5nkFGMOtEvwDpjNbwQEIikgNK
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 2024-01-29_a3f02a2ee6757d38e35e191aff7b87e2_cryptolocker
Files
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2024-01-29_a3f02a2ee6757d38e35e191aff7b87e2_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