2024-06-14_763450ac71aadbc863561c68ca6bc707_cryptolocker

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General

Target

2024-06-14_763450ac71aadbc863561c68ca6bc707_cryptolocker
Size

44KB
MD5

763450ac71aadbc863561c68ca6bc707
SHA1

9154bbd840dfbac2126d2851e884a5d991bbf801
SHA256

160fdea7c6b40985e4028474be3eaf7e9a6ab414b21dd28e8e6ad73f48119ba2
SHA512

9c58fec05422b434753055f0402bb183851664671602804a52d7960e4d947ae299fc6d0746bb47d7b4a91e350e3c9afec74b848e7386ef6aeec8c9b7322fb60d
SSDEEP

768:nf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGWXOQ69zbjlAAn:f1KhxqwtdgI2MyzNORQtOflIwoHNV2X9

Score

10^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
sample	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
sample	CryptoLocker_set1

Files

2024-06-14_763450ac71aadbc863561c68ca6bc707_cryptolocker
.exe windows:5 windows x86 arch:x86

db206e36db5c9492ce02c61a679129e2

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

20:7a:ae:ef:5f:de:2d:0f:b5:04:5f:85:fe:2b:a2:33:c2:23:b6:3f:cc:cb:e3:75:e0:a0:8a:52:8d:90:be:d6
Signer

Actual PE Digest

20:7a:ae:ef:5f:de:2d:0f:b5:04:5f:85:fe:2b:a2:33:c2:23:b6:3f:cc:cb:e3:75:e0:a0:8a:52:8d:90:be:d6

Digest Algorithm

sha256

PE Digest Matches

false

20:7a:ae:ef:5f:de:2d:0f:b5:04:5f:85:fe:2b:a2:33:c2:23:b6:3f:cc:cb:e3:75:e0:a0:8a:52:8d:90:be:d6
Signer

Actual PE Digest

20:7a:ae:ef:5f:de:2d:0f:b5:04:5f:85:fe:2b:a2:33:c2:23:b6:3f:cc:cb:e3:75:e0:a0:8a:52:8d:90:be:d6

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

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

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
DeleteFileA
CloseHandle
CreateFileA

gdi32

DeleteObject
CreateFontIndirectA

Sections

.text
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 3KB - Virtual size: 3KB

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: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

db206e36db5c9492ce02c61a679129e2

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

20:7a:ae:ef:5f:de:2d:0f:b5:04:5f:85:fe:2b:a2:33:c2:23:b6:3f:cc:cb:e3:75:e0:a0:8a:52:8d:90:be:d6Signer

20:7a:ae:ef:5f:de:2d:0f:b5:04:5f:85:fe:2b:a2:33:c2:23:b6:3f:cc:cb:e3:75:e0:a0:8a:52:8d:90:be:d6Signer

Headers

File Characteristics

Imports

user32

kernel32

gdi32

Sections

.text Size: 9KB - Virtual size: 8KB

.rdata Size: 3KB - Virtual size: 3KB

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

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

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

20:7a:ae:ef:5f:de:2d:0f:b5:04:5f:85:fe:2b:a2:33:c2:23:b6:3f:cc:cb:e3:75:e0:a0:8a:52:8d:90:be:d6
Signer

20:7a:ae:ef:5f:de:2d:0f:b5:04:5f:85:fe:2b:a2:33:c2:23:b6:3f:cc:cb:e3:75:e0:a0:8a:52:8d:90:be:d6
Signer

.text
Size: 9KB - Virtual size: 8KB

.rdata
Size: 3KB - Virtual size: 3KB

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

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