Static task
static1
Behavioral task
behavioral1
Sample
2024-02-14_38ad9a71a6c07890fce732aa1d1e5c79_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_38ad9a71a6c07890fce732aa1d1e5c79_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-14_38ad9a71a6c07890fce732aa1d1e5c79_cryptolocker
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Size
84KB
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MD5
38ad9a71a6c07890fce732aa1d1e5c79
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SHA1
ba5c48993ff87039319ccbdac202bb7138ce0d12
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SHA256
8a1df1fc75335ce40c3fd4827181ca32fa38c5a73f51a9cc1019560af27a0b1f
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SHA512
afa4fa072317e9ef2db16ff8bcd59fef23cadbaf74610c8b3483784bb5a6f2d829503788bc111575fab86cc307398aa9f005e0c1a2282ffd84e36e6390192cd6
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvP2m:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8R
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 2024-02-14_38ad9a71a6c07890fce732aa1d1e5c79_cryptolocker
Files
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2024-02-14_38ad9a71a6c07890fce732aa1d1e5c79_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