Static task
static1
Behavioral task
behavioral1
Sample
2024-03-18_b827ea509c8e7486702bfdf5823e5e54_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-18_b827ea509c8e7486702bfdf5823e5e54_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-18_b827ea509c8e7486702bfdf5823e5e54_cryptolocker
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Size
100KB
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MD5
b827ea509c8e7486702bfdf5823e5e54
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SHA1
3e0828c765d53ea2510510eacfc51182bd5d97f8
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SHA256
6ba13f11a4b77c8d2526e19f1cc309b7107debe763a2df251ecd3b6b048ada26
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SHA512
e55301d336fe4976b06bc3275c9a1a3af610935d802a0debb967754bc63b48750fd953e6fda82fafdd2f2a46e051aea6fda156a576515e34a3364692e43a5806
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjz/66pvX1:i5nkFGMOtEvwDpjNbwQEIikrxX1
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 2024-03-18_b827ea509c8e7486702bfdf5823e5e54_cryptolocker
Files
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2024-03-18_b827ea509c8e7486702bfdf5823e5e54_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