2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker

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General

Target

2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker
Size

43KB
MD5

d351ba21100ae33d68689928b5a1aee2
SHA1

855e218f8acca1f6ee5946a99058e7b2778046d2
SHA256

9a2438d410efe83ec06adff1622ea492ea8c798978c0511836f083e4e4c3199d
SHA512

3b7b3bdbab7105f23b6cfc2a515464bdf5c2d14eb1bdd1e40150731a715de9d083c17e72a28cbee51100427c670bf189abb90d5521cc9bc64bd2c3cdf50f96e8
SSDEEP

768:bQyC4GyNM01GuQMNXwXOQ69zbjlAAX5e9zY:bQpYayGiAizbR9XwzY

Score

10^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
sample	CryptoLocker_rule2

Files

2024-06-14_d351ba21100ae33d68689928b5a1aee2_cryptolocker
.exe windows:5 windows x86 arch:x86

ad86a1414a0514f4c041167365378f70

Code Sign

33:00:00:04:39:f6:1f:7a:67:6d:a0:00:af:00:00:00:00:04:39
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02-09-2021 18:25

Not After

01-09-2022 18:25

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06-07-2010 20:40

Not After

06-07-2025 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:02:55:18:1d:a4:2e:e0:86:fc:15:00:00:00:00:02:55
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02-09-2021 18:33

Not After

01-09-2022 18:33

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08-07-2011 20:59

Not After

08-07-2026 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

ef:38:bb:c4:44:4a:81:00:68:6a:89:42:57:52:01:b5:20:bd:eb:5b:b8:a0:52:73:7e:4f:ea:fe:24:32:95:b0
Signer

Actual PE Digest

ef:38:bb:c4:44:4a:81:00:68:6a:89:42:57:52:01:b5:20:bd:eb:5b:b8:a0:52:73:7e:4f:ea:fe:24:32:95:b0

Digest Algorithm

sha256

PE Digest Matches

false

ef:38:bb:c4:44:4a:81:00:68:6a:89:42:57:52:01:b5:20:bd:eb:5b:b8:a0:52:73:7e:4f:ea:fe:24:32:95:b0
Signer

Actual PE Digest

ef:38:bb:c4:44:4a:81:00:68:6a:89:42:57:52:01:b5:20:bd:eb:5b:b8:a0:52:73:7e:4f:ea:fe:24:32:95:b0

Digest Algorithm

sha256

PE Digest Matches

false

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
GetMessageA
DrawTextA
ShowWindow
UpdateWindow
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
PostQuitMessage
SetWindowPos

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA

gdi32

CreateFontIndirectA

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ad86a1414a0514f4c041167365378f70

Code Sign

33:00:00:04:39:f6:1f:7a:67:6d:a0:00:af:00:00:00:00:04:39Certificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

33:00:00:02:55:18:1d:a4:2e:e0:86:fc:15:00:00:00:00:02:55Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

ef:38:bb:c4:44:4a:81:00:68:6a:89:42:57:52:01:b5:20:bd:eb:5b:b8:a0:52:73:7e:4f:ea:fe:24:32:95:b0Signer

ef:38:bb:c4:44:4a:81:00:68:6a:89:42:57:52:01:b5:20:bd:eb:5b:b8:a0:52:73:7e:4f:ea:fe:24:32:95:b0Signer

Headers

File Characteristics

Imports

user32

kernel32

gdi32

Sections

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

.rdata Size: 1KB - Virtual size: 1KB

.data Size: 512B - Virtual size: 1KB

.rsrc Size: 10KB - Virtual size: 9KB

33:00:00:04:39:f6:1f:7a:67:6d:a0:00:af:00:00:00:00:04:39
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

33:00:00:02:55:18:1d:a4:2e:e0:86:fc:15:00:00:00:00:02:55
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

ef:38:bb:c4:44:4a:81:00:68:6a:89:42:57:52:01:b5:20:bd:eb:5b:b8:a0:52:73:7e:4f:ea:fe:24:32:95:b0
Signer

ef:38:bb:c4:44:4a:81:00:68:6a:89:42:57:52:01:b5:20:bd:eb:5b:b8:a0:52:73:7e:4f:ea:fe:24:32:95:b0
Signer

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

.rdata
Size: 1KB - Virtual size: 1KB

.data
Size: 512B - Virtual size: 1KB

.rsrc
Size: 10KB - Virtual size: 9KB