2024-06-07_b1e6832950e8bb2607706bac44570d0c_cryptolocker

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General

Target

2024-06-07_b1e6832950e8bb2607706bac44570d0c_cryptolocker
Size

46KB
MD5

b1e6832950e8bb2607706bac44570d0c
SHA1

c3e13a06365099b9900ca4587a55f07f7cf47792
SHA256

c6312296831c734ba5185b8878aceb7c55d051804c1205bdded112ff0a56c393
SHA512

94c32dcb2b94b237de1017ac49aeba82267d1d5136241e551b5fecb44f6f85e36def4f6a69d2c1365721cd57efd225fa58156cdd9d4b8d936d33de42961ce4fa
SSDEEP

768:s6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBvXOQ69zbjlAAX5e9zM:s6QFElP6n+gJQMOtEvwDpjBvizbR9XwI

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

2024-06-07_b1e6832950e8bb2607706bac44570d0c_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

74:23:0e:89:4b:56:6c:25:c6:fc:06:c5:47:11:91:19:b7:66:70:8f:33:72:a7:cd:e5:5c:3d:b6:b6:03:06:a1
Signer

Actual PE Digest

74:23:0e:89:4b:56:6c:25:c6:fc:06:c5:47:11:91:19:b7:66:70:8f:33:72:a7:cd:e5:5c:3d:b6:b6:03:06:a1

Digest Algorithm

sha256

PE Digest Matches

false

74:23:0e:89:4b:56:6c:25:c6:fc:06:c5:47:11:91:19:b7:66:70:8f:33:72:a7:cd:e5:5c:3d:b6:b6:03:06:a1
Signer

Actual PE Digest

74:23:0e:89:4b:56:6c:25:c6:fc:06:c5:47:11:91:19:b7:66:70:8f:33:72:a7:cd:e5:5c:3d:b6:b6:03:06:a1

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

74:23:0e:89:4b:56:6c:25:c6:fc:06:c5:47:11:91:19:b7:66:70:8f:33:72:a7:cd:e5:5c:3d:b6:b6:03:06:a1Signer

74:23:0e:89:4b:56:6c:25:c6:fc:06:c5:47:11:91:19:b7:66:70:8f:33:72:a7:cd:e5:5c:3d:b6:b6:03:06:a1Signer

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

74:23:0e:89:4b:56:6c:25:c6:fc:06:c5:47:11:91:19:b7:66:70:8f:33:72:a7:cd:e5:5c:3d:b6:b6:03:06:a1
Signer

74:23:0e:89:4b:56:6c:25:c6:fc:06:c5:47:11:91:19:b7:66:70:8f:33:72:a7:cd:e5:5c:3d:b6:b6:03:06:a1
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