Static task
static1
Behavioral task
behavioral1
Sample
2024-04-23_dc90a42b20ddc9c38b61fd78b5ca0ea2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-23_dc90a42b20ddc9c38b61fd78b5ca0ea2_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_dc90a42b20ddc9c38b61fd78b5ca0ea2_cryptolocker
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Size
43KB
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MD5
dc90a42b20ddc9c38b61fd78b5ca0ea2
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SHA1
55ab064cee67eb4c974c9928ded222e4126d19d6
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SHA256
51d4827eb9b3be5043f0c97a8399290eeaf1a1fa430c4707182574ed2e0fe09a
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SHA512
f1bde0b9db46412e9a5efedf097bab7934dea2d538fca2137270449a71b660d27f297faa3c5659141f16ad27af84c2deb653865ad5ee0d7a7870de8487c196be
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpneNUa/nOO:m5nkFNMOtEvwDpjG8hgpeNZGO
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 2024-04-23_dc90a42b20ddc9c38b61fd78b5ca0ea2_cryptolocker
Files
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2024-04-23_dc90a42b20ddc9c38b61fd78b5ca0ea2_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