Static task
static1
Behavioral task
behavioral1
Sample
2024-04-28_a77bb8eca774f34758d15a2723af4843_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-28_a77bb8eca774f34758d15a2723af4843_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-28_a77bb8eca774f34758d15a2723af4843_cryptolocker
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Size
43KB
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MD5
a77bb8eca774f34758d15a2723af4843
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SHA1
5c522a0a037055928df4fac5de9729abede50191
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SHA256
8dd175fe567f3d55e660937113fb3b3bf1199585e28304bf9bc5944f530d1f54
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SHA512
bf3187c9309f0752659e8800299a0dc61284b0f827ce0ac4656f4d483c55d629415206bd9f61205fbfc77011f4558489519830283dbc14c3cd146559b711e0e8
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SSDEEP
768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5jO:m5nkFNMOtEvwDpjG8hhXj5a
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 2024-04-28_a77bb8eca774f34758d15a2723af4843_cryptolocker
Files
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2024-04-28_a77bb8eca774f34758d15a2723af4843_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