Static task
static1
Behavioral task
behavioral1
Sample
2024-02-03_b541961035d9f8eea2e3df348f0196f9_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_b541961035d9f8eea2e3df348f0196f9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_b541961035d9f8eea2e3df348f0196f9_cryptolocker
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Size
88KB
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MD5
b541961035d9f8eea2e3df348f0196f9
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SHA1
e8a5775993315188620574b99b8bf85b289dd7e9
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SHA256
344a09a623ef3a66f654051b03ad2117dcd418247eaa45197fd44281dc38d1ec
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SHA512
d927b4c17c6bd7a56035aa448a1585b71ac323f0c6cb00a793ee426b32c4381edc44a3d15ee9b6b946dfecf500a152fdac024e7464ac2df0e43f048d57cb31cb
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SSDEEP
1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQNX:vCjsIOtEvwDpj5H8zPsD
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 2024-02-03_b541961035d9f8eea2e3df348f0196f9_cryptolocker
Files
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2024-02-03_b541961035d9f8eea2e3df348f0196f9_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