2024-06-06_30ef3fcad41b150639eee0d42305e184_cryptolocker

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General

Target

2024-06-06_30ef3fcad41b150639eee0d42305e184_cryptolocker
Size

44KB
MD5

30ef3fcad41b150639eee0d42305e184
SHA1

b578a55a4b63dc47abdf0da33766d269f79398a6
SHA256

c704a68367ed2d3e6c15d84025fe01848cd36ac3b649c778bd029d7b976448ef
SHA512

bfefea24ed72fec6e9661e507c3177030f80a6363361b93f91df51fbabefdcc01a65e87db84c0c74a63f611daa5a79554567a1ff92dfbf9febb263244228e6b7
SSDEEP

768:nf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGWXOQ69zbjlAAI:f1KhxqwtdgI2MyzNORQtOflIwoHNV2Xu

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_30ef3fcad41b150639eee0d42305e184_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

ca:31:bc:0d:a5:da:2d:d4:0a:05:7a:83:83:86:19:a8:4c:89:2f:e4:5d:ce:4e:3c:db:54:b5:77:73:2c:c3:75
Signer

Actual PE Digest

ca:31:bc:0d:a5:da:2d:d4:0a:05:7a:83:83:86:19:a8:4c:89:2f:e4:5d:ce:4e:3c:db:54:b5:77:73:2c:c3:75

Digest Algorithm

sha256

PE Digest Matches

false

ca:31:bc:0d:a5:da:2d:d4:0a:05:7a:83:83:86:19:a8:4c:89:2f:e4:5d:ce:4e:3c:db:54:b5:77:73:2c:c3:75
Signer

Actual PE Digest

ca:31:bc:0d:a5:da:2d:d4:0a:05:7a:83:83:86:19:a8:4c:89:2f:e4:5d:ce:4e:3c:db:54:b5:77:73:2c:c3:75

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

ca:31:bc:0d:a5:da:2d:d4:0a:05:7a:83:83:86:19:a8:4c:89:2f:e4:5d:ce:4e:3c:db:54:b5:77:73:2c:c3:75Signer

ca:31:bc:0d:a5:da:2d:d4:0a:05:7a:83:83:86:19:a8:4c:89:2f:e4:5d:ce:4e:3c:db:54:b5:77:73:2c:c3:75Signer

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

ca:31:bc:0d:a5:da:2d:d4:0a:05:7a:83:83:86:19:a8:4c:89:2f:e4:5d:ce:4e:3c:db:54:b5:77:73:2c:c3:75
Signer

ca:31:bc:0d:a5:da:2d:d4:0a:05:7a:83:83:86:19:a8:4c:89:2f:e4:5d:ce:4e:3c:db:54:b5:77:73:2c:c3:75
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