Static task
static1
Behavioral task
behavioral1
Sample
2024-03-26_7043ca2dd1be9cb3b51956c40c9eebd1_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-26_7043ca2dd1be9cb3b51956c40c9eebd1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-26_7043ca2dd1be9cb3b51956c40c9eebd1_cryptolocker
-
Size
5.5MB
-
MD5
7043ca2dd1be9cb3b51956c40c9eebd1
-
SHA1
dd0d013686701b3c13ac7831500e8dc33985a09b
-
SHA256
9a81c80407d0a5eba7c3200473ee4d1a13b42a37a944ce280292d8a6617df7d2
-
SHA512
8eacd3f77053702e43a701cda40273f60ef22f67a3257e0599ea0d606c0cee707193265856594802370a7a1d5dcaf326b214f5aeb083b52f44e1add1acf8423e
-
SSDEEP
98304:ot1QKvyjzO6B3DenIMmzyxD++XsBq+JUieGNt3sB/a1Ed9m+Ufk:otTvgz73XMpxDbcwYvt3sFa4Ok
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-26_7043ca2dd1be9cb3b51956c40c9eebd1_cryptolocker
Files
-
2024-03-26_7043ca2dd1be9cb3b51956c40c9eebd1_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