2024-06-06_bcecb235556976a3fc5262cd999fdb51_cryptolocker

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General

Target

2024-06-06_bcecb235556976a3fc5262cd999fdb51_cryptolocker
Size

46KB
MD5

bcecb235556976a3fc5262cd999fdb51
SHA1

925df742c89605aa971151b9d4b19c04b8c17288
SHA256

6969e873aea352cc94ece8af75148cfbbcda30e2910eb239fa223f766d147e54
SHA512

08fc18fb76d9c1e24b6b05e75e41bc6bb43b935c2a73a8a2bcec0e0975f81667f1e24edd3efafb2ad22d8d8bbcb5b0fff90c34e07b2866fa698e17dfb50a3d0d
SSDEEP

768:qQz7yVEhs9+js1SQtOOtEvwDpjxXOQ69zbjlAAX5e9zn:qj+jsMQMOtEvwDpjxizbR9Xwzn

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

2024-06-06_bcecb235556976a3fc5262cd999fdb51_cryptolocker
.exe windows:5 windows x86 arch:x86

5c55d83b58dbc1f7154223c32a893074

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

1f:1a:fa:c9:70:5c:e7:97:c9:39:83:ab:9b:ec:e3:8f:7f:72:04:c4:1f:3e:25:53:91:10:ce:ba:a9:83:e7:ee
Signer

Actual PE Digest

1f:1a:fa:c9:70:5c:e7:97:c9:39:83:ab:9b:ec:e3:8f:7f:72:04:c4:1f:3e:25:53:91:10:ce:ba:a9:83:e7:ee

Digest Algorithm

sha256

PE Digest Matches

false

1f:1a:fa:c9:70:5c:e7:97:c9:39:83:ab:9b:ec:e3:8f:7f:72:04:c4:1f:3e:25:53:91:10:ce:ba:a9:83:e7:ee
Signer

Actual PE Digest

1f:1a:fa:c9:70:5c:e7:97:c9:39:83:ab:9b:ec:e3:8f:7f:72:04:c4:1f:3e:25:53:91:10:ce:ba:a9:83:e7:ee

Digest Algorithm

sha256

PE Digest Matches

false

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

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

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCPInfo
GetACP
CreateFileA

gdi32

CreateFontIndirectA

Sections

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

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: 1024B - 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

.reloc
Size: 1024B - Virtual size: 542B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5c55d83b58dbc1f7154223c32a893074

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

1f:1a:fa:c9:70:5c:e7:97:c9:39:83:ab:9b:ec:e3:8f:7f:72:04:c4:1f:3e:25:53:91:10:ce:ba:a9:83:e7:eeSigner

1f:1a:fa:c9:70:5c:e7:97:c9:39:83:ab:9b:ec:e3:8f:7f:72:04:c4:1f:3e:25:53:91:10:ce:ba:a9:83:e7:eeSigner

Headers

File Characteristics

Imports

user32

kernel32

gdi32

Sections

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

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

.data Size: 1024B - Virtual size: 1KB

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

.reloc Size: 1024B - Virtual size: 542B

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

1f:1a:fa:c9:70:5c:e7:97:c9:39:83:ab:9b:ec:e3:8f:7f:72:04:c4:1f:3e:25:53:91:10:ce:ba:a9:83:e7:ee
Signer

1f:1a:fa:c9:70:5c:e7:97:c9:39:83:ab:9b:ec:e3:8f:7f:72:04:c4:1f:3e:25:53:91:10:ce:ba:a9:83:e7:ee
Signer

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

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

.data
Size: 1024B - Virtual size: 1KB

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

.reloc
Size: 1024B - Virtual size: 542B