2024-06-15_86a9f87f16af6a4b0b7fb6b9aa3cca5b_cryptolocker

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General

Target

2024-06-15_86a9f87f16af6a4b0b7fb6b9aa3cca5b_cryptolocker
Size

45KB
MD5

86a9f87f16af6a4b0b7fb6b9aa3cca5b
SHA1

094fc4f2c3b9c5f3bcc2ab75c4ef5a679b0b68cd
SHA256

14523d3a9fef78cc468e1419b4be97aaf5a9c5845f90a1b938314946383328ba
SHA512

bfc9b48d3c9d4d1c369aa93f10b60414ce8a681a95270170192e7fca3cd37608073c563a97d432655d591585900d3a5f58727c6edd048bed74a2064de402f7c1
SSDEEP

768:bao/2n1TCraU6GD1a4X1XOQ69zbjlAAX5e9zO:bF/y2lFizbR9XwzO

Score

10^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
sample	CryptoLocker_rule2

Files

2024-06-15_86a9f87f16af6a4b0b7fb6b9aa3cca5b_cryptolocker
.exe windows:5 windows x86 arch:x86

78f4abb8610ca1c22ad9f81ecfabcc3c

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

1d:7a:44:5f:0e:ca:21:82:4d:b3:1f:f0:0c:97:2c:a2:79:aa:2a:e2:fb:98:b7:c6:ca:9c:e9:42:68:ff:48:48
Signer

Actual PE Digest

1d:7a:44:5f:0e:ca:21:82:4d:b3:1f:f0:0c:97:2c:a2:79:aa:2a:e2:fb:98:b7:c6:ca:9c:e9:42:68:ff:48:48

Digest Algorithm

sha256

PE Digest Matches

false

1d:7a:44:5f:0e:ca:21:82:4d:b3:1f:f0:0c:97:2c:a2:79:aa:2a:e2:fb:98:b7:c6:ca:9c:e9:42:68:ff:48:48
Signer

Actual PE Digest

1d:7a:44:5f:0e:ca:21:82:4d:b3:1f:f0:0c:97:2c:a2:79:aa:2a:e2:fb:98:b7:c6:ca:9c:e9:42:68:ff:48:48

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

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

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
GetCurrentDirectoryA
CloseHandle
GetCurrentProcess
CreateFileA

gdi32

CreateFontIndirectA

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

78f4abb8610ca1c22ad9f81ecfabcc3c

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

1d:7a:44:5f:0e:ca:21:82:4d:b3:1f:f0:0c:97:2c:a2:79:aa:2a:e2:fb:98:b7:c6:ca:9c:e9:42:68:ff:48:48Signer

1d:7a:44:5f:0e:ca:21:82:4d:b3:1f:f0:0c:97:2c:a2:79:aa:2a:e2:fb:98:b7:c6:ca:9c:e9:42:68:ff:48:48Signer

Headers

File Characteristics

Imports

user32

kernel32

gdi32

Sections

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

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

.rsrc Size: 10KB - 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

1d:7a:44:5f:0e:ca:21:82:4d:b3:1f:f0:0c:97:2c:a2:79:aa:2a:e2:fb:98:b7:c6:ca:9c:e9:42:68:ff:48:48
Signer

1d:7a:44:5f:0e:ca:21:82:4d:b3:1f:f0:0c:97:2c:a2:79:aa:2a:e2:fb:98:b7:c6:ca:9c:e9:42:68:ff:48:48
Signer

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

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

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