Static task
static1
Behavioral task
behavioral1
Sample
2024-04-10_a42e810ff3596c54fde579a7957f1e6f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-10_a42e810ff3596c54fde579a7957f1e6f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-10_a42e810ff3596c54fde579a7957f1e6f_cryptolocker
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Size
5.5MB
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MD5
a42e810ff3596c54fde579a7957f1e6f
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SHA1
b6e83f359b5ffb0186e51c89ba766540885f3748
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SHA256
c1b842892870c6ceb98d2665deeda6f943ce6090c5a2117ed85ad8f53e034284
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SHA512
a89d6cfc282588e111ee6ebe19f66eedf18f835acf0e2e1affc955b4e8bef7828e981082b10aa7509155681a9ea04b593e40f87c6c34a4205e117dd4cf71d151
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SSDEEP
98304:ot1QKvyjzO6B3DenIMmzyxD++XsBq+JUieGNt3sB/a1Ed9m+UfN:otTvgz73XMpxDbcwYvt3sFa4ON
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 2024-04-10_a42e810ff3596c54fde579a7957f1e6f_cryptolocker
Files
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2024-04-10_a42e810ff3596c54fde579a7957f1e6f_cryptolocker.exe windows:5 windows x86 arch:x86
bca36106945c15cb017b0fa09fb58bca
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
CharUpperBuffW
kernel32
GetLastError
GetSystemTimeAsFileTime
LocalAlloc
LocalFree
GetModuleFileNameW
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress
gdi32
CreateFontIndirectA
Sections
.text Size: - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
./Ew Size: - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.[Xk Size: - Virtual size: 506B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.Ed@ Size: - Virtual size: 3.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.yuc Size: 1024B - Virtual size: 968B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.Lbc Size: 5.5MB - Virtual size: 5.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ