Static task
static1
Behavioral task
behavioral1
Sample
2024-03-08_a46b962a9a7a52e12b4863f8b2a40662_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-08_a46b962a9a7a52e12b4863f8b2a40662_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_a46b962a9a7a52e12b4863f8b2a40662_cryptolocker
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Size
87KB
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MD5
a46b962a9a7a52e12b4863f8b2a40662
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SHA1
e61e96745c84d5bc48efc084f480c53aeb4211f5
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SHA256
83dead76da4ff462b6fa834a1d7a485f7903795f01eca124ebf275b31ed3a8b7
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SHA512
766e85f7bbd42cba7b80bed372b9b11114dcb581679585d1c6c9a3aa3b7c34cf91ab77a0d80dee71ea6bd11b3132eb531fa628a99a7a89374dd4d2f5ba1f3b48
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvAcz:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8Acz
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 2024-03-08_a46b962a9a7a52e12b4863f8b2a40662_cryptolocker
Files
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2024-03-08_a46b962a9a7a52e12b4863f8b2a40662_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