Static task
static1
Behavioral task
behavioral1
Sample
2024-01-24_366f31c67bb8d3abfe1d86b41409b9f3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-24_366f31c67bb8d3abfe1d86b41409b9f3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_366f31c67bb8d3abfe1d86b41409b9f3_cryptolocker
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Size
37KB
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MD5
366f31c67bb8d3abfe1d86b41409b9f3
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SHA1
1fdc3001033d55f2fb5e8a7f7becd0175068628b
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SHA256
b75b6b26f63af1b08fbfc78a72a355385adbbef51f6bef8e1af70e72bd6aa8d4
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SHA512
b78418b94a3187d47ca4702c853e73ec38dfff0009a850b3e878c88fa97d1f92fa3fbb0664fe5681b64676c20c0f53907fa4f25c4bd01c535e7c456cf0492b80
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yN:i5nkFGMOtEvwDpjR+vie
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 2024-01-24_366f31c67bb8d3abfe1d86b41409b9f3_cryptolocker
Files
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2024-01-24_366f31c67bb8d3abfe1d86b41409b9f3_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