2024-05-01_5a8d90c6b9c3e95403336efcb54b7e16_cryptolocker

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General

Target

2024-05-01_5a8d90c6b9c3e95403336efcb54b7e16_cryptolocker
Size

5.5MB
MD5

5a8d90c6b9c3e95403336efcb54b7e16
SHA1

d4a7d1ee51ef21c1794fe7eee2a60d53317a49f3
SHA256

1c1055c77c9811db28a8f2cb51ceb987eea10540b5f2c4eb706d2e23f01239fd
SHA512

103e59cc24990dff004479be7f355ce3608e8488e3593a41ba964526b3c95e79538716a8769ccb10a7c0bbdbd0a0fe5cc4699b055b9a2a61d4a88ebbb23eb5d7
SSDEEP

98304:Vd3WWklj4b+ZTRXb81tTFjWYt8nfa9WfkOsm5UfjQNYT/StkkLlDzXgsOUlE8F6:Vd3Vklsb+ZKyYt8fMtOsm5UfjQNqSKcM

Score

10^/10

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
2024-05-01_5a8d90c6b9c3e95403336efcb54b7e16_cryptolocker

Files

2024-05-01_5a8d90c6b9c3e95403336efcb54b7e16_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

Sharing

General

Malware Config

Signatures

Files

d234aa15b2f3e24689c37424e8f7571e

Headers

File Characteristics

Imports

user32

kernel32

gdi32

Sections

.text Size: - Virtual size: 11KB

.rdata Size: - Virtual size: 1KB

.data Size: - Virtual size: 1KB

.+o$ Size: - Virtual size: 10KB

.4nt Size: - Virtual size: 536B

.htext Size: - Virtual size: 4KB

.ei; Size: - Virtual size: 3.0MB

.f|z Size: 1024B - Virtual size: 976B

.=b= Size: 5.5MB - Virtual size: 5.5MB

.rsrc Size: 11KB - Virtual size: 10KB

.text
Size: - Virtual size: 11KB

.rdata
Size: - Virtual size: 1KB

.data
Size: - Virtual size: 1KB

.+o$
Size: - Virtual size: 10KB

.4nt
Size: - Virtual size: 536B

.htext
Size: - Virtual size: 4KB

.ei;
Size: - Virtual size: 3.0MB

.f|z
Size: 1024B - Virtual size: 976B

.=b=
Size: 5.5MB - Virtual size: 5.5MB

.rsrc
Size: 11KB - Virtual size: 10KB