Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_cf81fab6f84480d73ff2d56e0b91bd5d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_cf81fab6f84480d73ff2d56e0b91bd5d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_cf81fab6f84480d73ff2d56e0b91bd5d_cryptolocker
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Size
87KB
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MD5
cf81fab6f84480d73ff2d56e0b91bd5d
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SHA1
33ace312330b6afd033c7c0ea5d0c1d1f7204519
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SHA256
fb750e3302c92522240929c86bba810dbe8d70d4e73b2d1b520b35db8a848d55
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SHA512
a908a7ed8ad8e2a94bdc719e9903e1bc99fe21f9316010357a690cb736fae84fc72b7871b11b9de8a9abe5f385bbd518a61bf6b1ae8b37a5207b5c308666e34a
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvx5/HbAh:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8bAh
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 2024-03-27_cf81fab6f84480d73ff2d56e0b91bd5d_cryptolocker
Files
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2024-03-27_cf81fab6f84480d73ff2d56e0b91bd5d_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