Static task
static1
Behavioral task
behavioral1
Sample
2024-04-26_04f6504ebb111fa4ff1db9b4e7ef07e9_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-26_04f6504ebb111fa4ff1db9b4e7ef07e9_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-26_04f6504ebb111fa4ff1db9b4e7ef07e9_cryptolocker
-
Size
5.5MB
-
MD5
04f6504ebb111fa4ff1db9b4e7ef07e9
-
SHA1
09672d791b9afa357c4aaf07462f3a2a3efc5518
-
SHA256
be02e463d117c2f9f7748472f9d6e210c5cbe073b39b435cfa512893c67bca89
-
SHA512
9a9e9fc78cf147b239b95a67ad865a77d4c603c561cda93d9b192d6280f7d8a9cd9bd308e8c990b74aed52f84c14050695e592746d968e378dcc7c5854848ee2
-
SSDEEP
98304:Vd3WWklj4b+ZTRXb81tTFjWYt8nfa9WfkOsm5UfjQNYT/StkkLlDzXgsOUlE8FP:Vd3Vklsb+ZKyYt8fMtOsm5UfjQNqSKct
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 2024-04-26_04f6504ebb111fa4ff1db9b4e7ef07e9_cryptolocker
Files
-
2024-04-26_04f6504ebb111fa4ff1db9b4e7ef07e9_cryptolocker.exe windows:5 windows x86 arch:x86
d234aa15b2f3e24689c37424e8f7571e
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
PostQuitMessage
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
.rdata Size: - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.+o$ Size: - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.4nt Size: - Virtual size: 536B
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
.ei; Size: - Virtual size: 3.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.f|z Size: 1024B - Virtual size: 976B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.=b= Size: 5.5MB - Virtual size: 5.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ