2024-06-06_b233686493b2fb9e314f6bac361d64de_cryptolocker

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General

Target

2024-06-06_b233686493b2fb9e314f6bac361d64de_cryptolocker
Size

46KB
MD5

b233686493b2fb9e314f6bac361d64de
SHA1

007c1cb2dbcdc90411d29253489b5993664121da
SHA256

db24b1a09090d74832ea95d80ab05b91c134bea59a1c0a65533920dc51124ef5
SHA512

b088c1b3e9c3c993a28ec022006bfaf4e51dc992bbdd4770a2985c64c95c3234ecbef28e22a04be0f3a8f4e3688855f4cba64baed2d14371acb773e28e686927
SSDEEP

768:s6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBvXOQ69zbjlAAX5e9z1:s6QFElP6n+gJQMOtEvwDpjBvizbR9Xwh

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_b233686493b2fb9e314f6bac361d64de_cryptolocker
.exe windows:5 windows x86 arch:x86

7ba3aa8366ce167c7a77ebd6e6fea8e5

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

dd:34:44:ea:6e:bd:7e:ce:4f:53:61:4d:96:a8:74:83:45:e0:74:ce:52:d8:f1:2a:88:35:79:eb:df:5b:6e:a7
Signer

Actual PE Digest

dd:34:44:ea:6e:bd:7e:ce:4f:53:61:4d:96:a8:74:83:45:e0:74:ce:52:d8:f1:2a:88:35:79:eb:df:5b:6e:a7

Digest Algorithm

sha256

PE Digest Matches

false

dd:34:44:ea:6e:bd:7e:ce:4f:53:61:4d:96:a8:74:83:45:e0:74:ce:52:d8:f1:2a:88:35:79:eb:df:5b:6e:a7
Signer

Actual PE Digest

dd:34:44:ea:6e:bd:7e:ce:4f:53:61:4d:96:a8:74:83:45:e0:74:ce:52:d8:f1:2a:88:35:79:eb:df:5b:6e:a7

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

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

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
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: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7ba3aa8366ce167c7a77ebd6e6fea8e5

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

dd:34:44:ea:6e:bd:7e:ce:4f:53:61:4d:96:a8:74:83:45:e0:74:ce:52:d8:f1:2a:88:35:79:eb:df:5b:6e:a7Signer

dd:34:44:ea:6e:bd:7e:ce:4f:53:61:4d:96:a8:74:83:45:e0:74:ce:52:d8:f1:2a:88:35:79:eb:df:5b:6e:a7Signer

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: 536B

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

dd:34:44:ea:6e:bd:7e:ce:4f:53:61:4d:96:a8:74:83:45:e0:74:ce:52:d8:f1:2a:88:35:79:eb:df:5b:6e:a7
Signer

dd:34:44:ea:6e:bd:7e:ce:4f:53:61:4d:96:a8:74:83:45:e0:74:ce:52:d8:f1:2a:88:35:79:eb:df:5b:6e:a7
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: 536B