Static task
static1
Behavioral task
behavioral1
Sample
2024-01-25_42fa757bbbfcdb7e080527df7076cd45_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-25_42fa757bbbfcdb7e080527df7076cd45_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_42fa757bbbfcdb7e080527df7076cd45_cryptolocker
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Size
38KB
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MD5
42fa757bbbfcdb7e080527df7076cd45
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SHA1
41b711c7d09871cc66b42164582eab15e8440f62
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SHA256
8010e25fec38a616afdd939b39544ad84b35c1e430bc7d6198220c728e19742b
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SHA512
eeab9f87e6a424221d550b85dd59e3bd68911c8a65a91b50196f8f2f405bbe7d72244aa24b4ed56e489b53307085600b0ace8378200919c137c793f3aaf584ba
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRQ:m5nkFNMOtEvwDpjG8hhXu
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_42fa757bbbfcdb7e080527df7076cd45_cryptolocker
Files
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2024-01-25_42fa757bbbfcdb7e080527df7076cd45_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE