Static task
static1
Behavioral task
behavioral1
Sample
2024-05-04_b1a2a85758eb413528e50112c7868959_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-04_b1a2a85758eb413528e50112c7868959_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-04_b1a2a85758eb413528e50112c7868959_cryptolocker
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Size
68KB
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MD5
b1a2a85758eb413528e50112c7868959
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SHA1
c2b39a58a79ed9367a532c2a57c5eb26760be07c
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SHA256
3d908fef23c8acc7dc70ddd6a11f6e1fc1b501a8ce67b0e85cd5bf68a34c6298
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SHA512
1224e86d7bb2a641d93b7779d415f858c182870b2cf970ac6bccf04e339561b1568ed7d349f3b8b418ea2f470c9a73eb8fa6695ea3e2a26c27e4c7b577c65632
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/uy:i5nkFGMOtEvwDpjNbwQEI8UZDGy
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 2024-05-04_b1a2a85758eb413528e50112c7868959_cryptolocker
Files
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2024-05-04_b1a2a85758eb413528e50112c7868959_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