Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_a8b0f3e7bbccc40e38669b674a719696_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-27_a8b0f3e7bbccc40e38669b674a719696_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_a8b0f3e7bbccc40e38669b674a719696_cryptolocker
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Size
48KB
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MD5
a8b0f3e7bbccc40e38669b674a719696
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SHA1
79ed2d2e8d5aabeaed6ad4c89e5ad6bfa164c92f
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SHA256
73be9bd5bc916f26f3a419d3f8d88b0b185a5b93ccdd4eaedb6cde76146f6b2e
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SHA512
0f99cf3250ead26f9bc0dc19ad733bf86350038ef5ab98c95c2caca3efb29d1feb40457346814dc06bbb36cdb7b8f4e68376c3a9984ccbf43f160144db5873e1
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbP/Moqvuwd:i5nkFGMOtEvwDpjNbXMt
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 2024-03-27_a8b0f3e7bbccc40e38669b674a719696_cryptolocker
Files
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2024-03-27_a8b0f3e7bbccc40e38669b674a719696_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