Static task
static1
Behavioral task
behavioral1
Sample
2024-03-14_4cd4cddfe2e2ab9f29f335339fb41245_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_4cd4cddfe2e2ab9f29f335339fb41245_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_4cd4cddfe2e2ab9f29f335339fb41245_cryptolocker
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Size
123KB
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MD5
4cd4cddfe2e2ab9f29f335339fb41245
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SHA1
588672d4e09d858ba738898e7796b53f37d9b3fb
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SHA256
b14884e461e11735a0d135b6a41bfbb05e02f300df1116719195a56cec03a461
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SHA512
5f2bcd79bb793992d3e056ce027b3dcbffdd2c49e219c684dc9783763fc11084cea6d53bf536e6db6c7d8f57fa03924db4ecf86e1075c84a989defb4ee48e1da
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SSDEEP
1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMgv:u6a++OtEvwDpj6zL
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-14_4cd4cddfe2e2ab9f29f335339fb41245_cryptolocker
Files
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2024-03-14_4cd4cddfe2e2ab9f29f335339fb41245_cryptolocker.exe windows:5 windows x86 arch:x86
a0c275da44db88d1f2fc3943daf6948b
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetACP
CreateFileA
gdi32
CreateFontIndirectA
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
Sections
.text Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
gu_idata Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
gu_rsrcs Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ