2024-06-09_35f4420f060855e1f1bbbf67d4d3299a_cryptolocker

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General

Target

2024-06-09_35f4420f060855e1f1bbbf67d4d3299a_cryptolocker
Size

44KB
MD5

35f4420f060855e1f1bbbf67d4d3299a
SHA1

6955ecd8d44064d29f3844be61dcff9233e1f482
SHA256

c59a00e6875641021f9ff4e311e573bae4c5b1f5de308df998c78b7d368e69b2
SHA512

17f4c5d63049160531c553b95ee1b0bc97828bcbaf59ba2d0c3da480eb10356b7e01874cc003e6e151406b2a334e06982c73397ec7f494019b4d14e478ec3a64
SSDEEP

768:nf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGWXOQ69zbjlAAT:f1KhxqwtdgI2MyzNORQtOflIwoHNV2Xp

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_35f4420f060855e1f1bbbf67d4d3299a_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

d7:8e:5b:c2:92:50:77:94:c1:9c:03:22:47:ca:f2:bc:4c:67:13:12:5b:9b:78:05:33:b0:c2:32:41:09:31:45
Signer

Actual PE Digest

d7:8e:5b:c2:92:50:77:94:c1:9c:03:22:47:ca:f2:bc:4c:67:13:12:5b:9b:78:05:33:b0:c2:32:41:09:31:45

Digest Algorithm

sha256

PE Digest Matches

false

d7:8e:5b:c2:92:50:77:94:c1:9c:03:22:47:ca:f2:bc:4c:67:13:12:5b:9b:78:05:33:b0:c2:32:41:09:31:45
Signer

Actual PE Digest

d7:8e:5b:c2:92:50:77:94:c1:9c:03:22:47:ca:f2:bc:4c:67:13:12:5b:9b:78:05:33:b0:c2:32:41:09:31:45

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

d7:8e:5b:c2:92:50:77:94:c1:9c:03:22:47:ca:f2:bc:4c:67:13:12:5b:9b:78:05:33:b0:c2:32:41:09:31:45Signer

d7:8e:5b:c2:92:50:77:94:c1:9c:03:22:47:ca:f2:bc:4c:67:13:12:5b:9b:78:05:33:b0:c2:32:41:09:31:45Signer

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

d7:8e:5b:c2:92:50:77:94:c1:9c:03:22:47:ca:f2:bc:4c:67:13:12:5b:9b:78:05:33:b0:c2:32:41:09:31:45
Signer

d7:8e:5b:c2:92:50:77:94:c1:9c:03:22:47:ca:f2:bc:4c:67:13:12:5b:9b:78:05:33:b0:c2:32:41:09:31:45
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