Static task
static1
Behavioral task
behavioral1
Sample
2024-02-24_a3ce26cde3a17aacfcfee65ae23df104_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_a3ce26cde3a17aacfcfee65ae23df104_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_a3ce26cde3a17aacfcfee65ae23df104_cryptolocker
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Size
85KB
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MD5
a3ce26cde3a17aacfcfee65ae23df104
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SHA1
cfcdeceba1ade669becfd5f23dcf77d871f9bef0
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SHA256
c88d4f04d24be5ff6e6bd91b535d89303bedd01d9316645297ed4a1b21870f20
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SHA512
21f0d276b437263fc9a12c8d715f6ffe728ba07bf34615c67a91d1b7c2773a8e9fbec4979bf4bf76f168e7b89d1dcdb5e0d89af89239c7aad1c9c977104907bf
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvP2G:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8p
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 2024-02-24_a3ce26cde3a17aacfcfee65ae23df104_cryptolocker
Files
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2024-02-24_a3ce26cde3a17aacfcfee65ae23df104_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