Static task
static1
Behavioral task
behavioral1
Sample
2024-06-15_a3b1d238e0383f4da928b7a93a9d78c3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-15_a3b1d238e0383f4da928b7a93a9d78c3_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-15_a3b1d238e0383f4da928b7a93a9d78c3_cryptolocker
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Size
43KB
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MD5
a3b1d238e0383f4da928b7a93a9d78c3
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SHA1
578ab072666a44072db845c88bb728e95ccab14a
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SHA256
0b2c82dae7299ed06f7330e90040b33d8dde922c989adfa82bdd28e2723e408b
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SHA512
ea22b5fcab3fc90c55281d9c99abbdb916423b2866fe0852b7f7b286c8fd7471ce50fcf58842a5b636d3249c84254d84801f5b571f8fbe0866f0e543fadd0834
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnY1n9Y:m5nkFNMOtEvwDpjG8hgpY19Y
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 2024-06-15_a3b1d238e0383f4da928b7a93a9d78c3_cryptolocker
Files
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2024-06-15_a3b1d238e0383f4da928b7a93a9d78c3_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: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE