Static task
static1
Behavioral task
behavioral1
Sample
2024-04-25_27c7a1bc608b22fa9072d012af4ee0ad_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_27c7a1bc608b22fa9072d012af4ee0ad_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_27c7a1bc608b22fa9072d012af4ee0ad_cryptolocker
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Size
5.5MB
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MD5
27c7a1bc608b22fa9072d012af4ee0ad
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SHA1
a3c74e8ecdce1ecc0bc14139ff9283c0b3b2cc3d
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SHA256
32aa3e7b98459dd06e8339a00fdb1dd2dfd4e1c6fa103a21ac5154037abfdaf9
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SHA512
6ba45f3ca69d5afadc7f372ac7ef4bdb54ca4d522adba35a953f14dd4c4c2fd294622984e2d70a45784207e6b991296f1fccde1d58a1b6327dfa742398f1e22b
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SSDEEP
98304:ot1QKvyjzO6B3DenIMmzyxD++XsBq+JUieGNt3sB/a1Ed9m+UfV:otTvgz73XMpxDbcwYvt3sFa4OV
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 2024-04-25_27c7a1bc608b22fa9072d012af4ee0ad_cryptolocker
Files
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2024-04-25_27c7a1bc608b22fa9072d012af4ee0ad_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