Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_5b37b103e7d1ee346c00c97de930e8e7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_5b37b103e7d1ee346c00c97de930e8e7_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-28_5b37b103e7d1ee346c00c97de930e8e7_cryptolocker
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Size
64KB
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MD5
5b37b103e7d1ee346c00c97de930e8e7
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SHA1
5827081ca11c91c3cb4c339bb6e4d3695805ba74
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SHA256
19159725afd1a7dd6f036ed5f92e052c4c2203123d2b2afce8d3133eee1424f6
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SHA512
1e5949e46ce5050ff784d5dd9e6b76ef85e3a42d0d9bd7936751f55e7bba5e04bdc4c6b8e590adac2fd47d2546b2e0a5f4924b4801f1e6713591723245ec8499
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNv:i5nkFGMOtEvwDpjNbwQEI8U9
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_5b37b103e7d1ee346c00c97de930e8e7_cryptolocker
Files
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2024-01-28_5b37b103e7d1ee346c00c97de930e8e7_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