2024-04-22_2a1058783a6dea91f1d3199f3586d79c_cryptolocker

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General

Target

2024-04-22_2a1058783a6dea91f1d3199f3586d79c_cryptolocker
Size

5.5MB
MD5

2a1058783a6dea91f1d3199f3586d79c
SHA1

004ea7f30c0533eeadc8c6eb5aef34b166b6324a
SHA256

2f902949c9bc90546a474127cdf46a64a647fc5bcede30066b42fa6fe5ed8fb0
SHA512

b12e13fd76d07a7a6dac5f8a4dc75664bc842f073653d9c42e250ce7450ca088dabd41b160dfd2d9480d4a7930ee15dc31d3ac9223511253d773ceefa5ca9d2c
SSDEEP

98304:Vd3WWklj4b+ZTRXb81tTFjWYt8nfa9WfkOsm5UfjQNYT/StkkLlDzXgsOUlE8FV:Vd3Vklsb+ZKyYt8fMtOsm5UfjQNqSKc3

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
2024-04-22_2a1058783a6dea91f1d3199f3586d79c_cryptolocker

Files

2024-04-22_2a1058783a6dea91f1d3199f3586d79c_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