Static task
static1
Behavioral task
behavioral1
Sample
2024-01-25_a3b3a847c41916e47846551d098fc16c_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_a3b3a847c41916e47846551d098fc16c_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_a3b3a847c41916e47846551d098fc16c_cryptolocker
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Size
100KB
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MD5
a3b3a847c41916e47846551d098fc16c
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SHA1
3ea69a577b8a3d3f309a96ea46ec3a64997c1549
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SHA256
8c9185435b15a8b141b209ff01083e459569210885933ccfbfa107da28b8ee04
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SHA512
159ea3325ce006e42bf509f3340f4fa4294e8a889a779abd950115348f73e3d68126402002424270e117d943e4a2dd7f356d4e3ff1265715a926717da9c7f8f5
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNojlET:i5nkFGMOtEvwDpjNbwQEIikgNyET
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 2024-01-25_a3b3a847c41916e47846551d098fc16c_cryptolocker
Files
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2024-01-25_a3b3a847c41916e47846551d098fc16c_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