Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_666485e7b3f9b0b2eab9ea27565cbf9c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-15_666485e7b3f9b0b2eab9ea27565cbf9c_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_666485e7b3f9b0b2eab9ea27565cbf9c_cryptolocker
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Size
39KB
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MD5
666485e7b3f9b0b2eab9ea27565cbf9c
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SHA1
99f6c5f12abfd8b333c71f2687b2eb6023883b64
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SHA256
b9c949c7602ff140228640b9c2f9b744d07e83154ffca7bfd6a0ffb4cbedadbf
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SHA512
41824d5636571d45c5ff76aaa329aa8c417004539d64bc574fd8c2a42ace93acf1bb4f712d82fbd761713685077f4eb2c930ec36893d4de84c15af2589c15019
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHu8Kzt:X6QFElP6n+gJQMOtEvwDpjBmzDkzR
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 2024-04-15_666485e7b3f9b0b2eab9ea27565cbf9c_cryptolocker
Files
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2024-04-15_666485e7b3f9b0b2eab9ea27565cbf9c_cryptolocker.exe windows:5 windows x86 arch:x86
7ba3aa8366ce167c7a77ebd6e6fea8e5
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetACP
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ