Static task
static1
Behavioral task
behavioral1
Sample
2024-02-19_7f40dcd1d7d62ef1d0644d9b7e31eaf7_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_7f40dcd1d7d62ef1d0644d9b7e31eaf7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_7f40dcd1d7d62ef1d0644d9b7e31eaf7_cryptolocker
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Size
40KB
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MD5
7f40dcd1d7d62ef1d0644d9b7e31eaf7
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SHA1
7d1ec7b3e4b43db30ec8bc7dfaf15b502802aaad
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SHA256
687104a4a74913b1dedf11e248014b11e1c25f03565538e6a30285ce98261f32
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SHA512
d658d599741b6cc0d2ae7cf055958f4cffbeac468d589272390f02a13f6064537dc47a34f5ff81ae56ea9da840ccfddbf0bacd7719178f2eb8ceed1d89f567ee
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SSDEEP
768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlaVpH:b/pYayGig5HjS3Sp
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-19_7f40dcd1d7d62ef1d0644d9b7e31eaf7_cryptolocker
Files
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2024-02-19_7f40dcd1d7d62ef1d0644d9b7e31eaf7_cryptolocker.exe windows:5 windows x86 arch:x86
ad86a1414a0514f4c041167365378f70
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
user32
EndPaint
GetMessageA
DrawTextA
ShowWindow
UpdateWindow
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
PostQuitMessage
SetWindowPos
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 10KB
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: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ