Static task
static1
Behavioral task
behavioral1
Sample
2024-02-29_a42dd8fa34e393dc279452f859b79ef6_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-29_a42dd8fa34e393dc279452f859b79ef6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_a42dd8fa34e393dc279452f859b79ef6_cryptolocker
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Size
80KB
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MD5
a42dd8fa34e393dc279452f859b79ef6
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SHA1
7477646c199d630b4b7fc014706c769e00ff1131
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SHA256
3420e6bef386f70dab5e4cf185dd3b299556c53dbfc937df48a08767610ab345
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SHA512
458625beb8247097b2c9940a5c3dfa51e72489d54ad926971cb51397f2f9aeddeaa1837ec3610558691103ca9d86e1bd274c49e055bb1f41b728e168c843ca10
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufL+3+:vCjsIOtEvwDpj5H9YvQd2B
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 2024-02-29_a42dd8fa34e393dc279452f859b79ef6_cryptolocker
Files
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2024-02-29_a42dd8fa34e393dc279452f859b79ef6_cryptolocker.exe windows:5 windows x86 arch:x86
5c55d83b58dbc1f7154223c32a893074
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
UpdateWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCPInfo
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: 542B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ