Static task
static1
Behavioral task
behavioral1
Sample
2024-04-09_cf7e626bcadc77ca4a6bbfa8e74372a0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_cf7e626bcadc77ca4a6bbfa8e74372a0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_cf7e626bcadc77ca4a6bbfa8e74372a0_cryptolocker
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Size
39KB
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MD5
cf7e626bcadc77ca4a6bbfa8e74372a0
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SHA1
06583a0eb724d157ce86dd088dd7490d11b96972
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SHA256
c3eecd4cc7339eecd4cb61f19751e74876c685a8461f7acffcb4eb6f3d59570a
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SHA512
43336a48bf43f6778d84dd6b0ca2c77ead6752a734c77632684769ffbdfee19939388ca7d277105082c07280d15eef5fcaeb822f87cf4b3ca9fe446c22f91f75
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsH:i5nkFGMOtEvwDpjR+viHsH
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 2024-04-09_cf7e626bcadc77ca4a6bbfa8e74372a0_cryptolocker
Files
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2024-04-09_cf7e626bcadc77ca4a6bbfa8e74372a0_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