2024-06-09_5ece7f643964c547c8e89d471882b5b3_cryptolocker

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General

Target

2024-06-09_5ece7f643964c547c8e89d471882b5b3_cryptolocker
Size

44KB
MD5

5ece7f643964c547c8e89d471882b5b3
SHA1

aaca2e3244f478ec6abff80aef26295fb64e8342
SHA256

b8b672a0b7c8aeacb6e238b9efe75d329498c7330902e272ee874062e11605d9
SHA512

211dece7e93aae74e03508c77f7d985c3e91dd901a16ec95895733d83a07bd978a73528f788fcc459a839d564797cf1c83f2773bbcb17284f5ae7f8b5b00922b
SSDEEP

768:nf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGWXOQ69zbjlAAy:f1KhxqwtdgI2MyzNORQtOflIwoHNV2Xc

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

2024-06-09_5ece7f643964c547c8e89d471882b5b3_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

7a:1c:ea:0f:81:95:58:ff:29:17:da:4f:8b:74:0e:a8:c1:65:8f:85:70:dd:ca:25:7c:3b:b0:7c:49:c3:80:71
Signer

Actual PE Digest

7a:1c:ea:0f:81:95:58:ff:29:17:da:4f:8b:74:0e:a8:c1:65:8f:85:70:dd:ca:25:7c:3b:b0:7c:49:c3:80:71

Digest Algorithm

sha256

PE Digest Matches

false

7a:1c:ea:0f:81:95:58:ff:29:17:da:4f:8b:74:0e:a8:c1:65:8f:85:70:dd:ca:25:7c:3b:b0:7c:49:c3:80:71
Signer

Actual PE Digest

7a:1c:ea:0f:81:95:58:ff:29:17:da:4f:8b:74:0e:a8:c1:65:8f:85:70:dd:ca:25:7c:3b:b0:7c:49:c3:80:71

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

7a:1c:ea:0f:81:95:58:ff:29:17:da:4f:8b:74:0e:a8:c1:65:8f:85:70:dd:ca:25:7c:3b:b0:7c:49:c3:80:71Signer

7a:1c:ea:0f:81:95:58:ff:29:17:da:4f:8b:74:0e:a8:c1:65:8f:85:70:dd:ca:25:7c:3b:b0:7c:49:c3:80:71Signer

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

7a:1c:ea:0f:81:95:58:ff:29:17:da:4f:8b:74:0e:a8:c1:65:8f:85:70:dd:ca:25:7c:3b:b0:7c:49:c3:80:71
Signer

7a:1c:ea:0f:81:95:58:ff:29:17:da:4f:8b:74:0e:a8:c1:65:8f:85:70:dd:ca:25:7c:3b:b0:7c:49:c3:80:71
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