Static task
static1
Behavioral task
behavioral1
Sample
2024-02-12_891f434ba3d6d8b2342b4a01190c71f8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_891f434ba3d6d8b2342b4a01190c71f8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_891f434ba3d6d8b2342b4a01190c71f8_cryptolocker
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Size
40KB
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MD5
891f434ba3d6d8b2342b4a01190c71f8
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SHA1
7ac1f6a665edaa25d9e5b61189c29eefb60630e6
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SHA256
1893589adfa7d19f298d68bb4d128e5f4ac430efdcb64f938406dbee97fc7731
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SHA512
ea98f4d78b450857ddec492b5fc83a2ca6afc110eee8c00270a8043961fdfa925137a7edabf47458fd015ddf3d403b1616637c17739db495e261864896cf21c8
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRrd:m5nkFNMOtEvwDpjG8hhXT
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 2024-02-12_891f434ba3d6d8b2342b4a01190c71f8_cryptolocker
Files
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2024-02-12_891f434ba3d6d8b2342b4a01190c71f8_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