2024-06-09_f5d4c1ff56a1c30c6396e248f1e78d3a_cryptolocker

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General

Target

2024-06-09_f5d4c1ff56a1c30c6396e248f1e78d3a_cryptolocker
Size

73KB
MD5

f5d4c1ff56a1c30c6396e248f1e78d3a
SHA1

41f27c7d2bdec4f6b2b5434d14d485386bccbaf9
SHA256

7d66244f3b72ed5671e30be13f40a784e051230a5fdea9cb032e6da7f7a7b255
SHA512

cef7fcf7ce7adbaf28200a3f40853504688ddf09399ff6295c05ca7f7c7ff42a7f84acf288a0b5d7bb901ffdc0b419de33109f08eb3c11543d55fa945234135a
SSDEEP

768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zw:9Uj+AIMOtEvwDpjLizbR9Xwzw

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_f5d4c1ff56a1c30c6396e248f1e78d3a_cryptolocker
.exe windows:5 windows x86 arch:x86

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

59:35:ad:ce:af:ca:66:ed:00:28:af:a2:49:8f:60:c1:20:63:30:e1:9e:8b:61:8b:05:7b:87:7b:1a:75:fc:dc
Signer

Actual PE Digest

59:35:ad:ce:af:ca:66:ed:00:28:af:a2:49:8f:60:c1:20:63:30:e1:9e:8b:61:8b:05:7b:87:7b:1a:75:fc:dc

Digest Algorithm

sha256

PE Digest Matches

false

59:35:ad:ce:af:ca:66:ed:00:28:af:a2:49:8f:60:c1:20:63:30:e1:9e:8b:61:8b:05:7b:87:7b:1a:75:fc:dc
Signer

Actual PE Digest

59:35:ad:ce:af:ca:66:ed:00:28:af:a2:49:8f:60:c1:20:63:30:e1:9e:8b:61:8b:05:7b:87:7b:1a:75:fc:dc

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
IMAGE_FILE_DEBUG_STRIPPED

Sections

.MPRESS
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.MPRESS
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 13KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

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

59:35:ad:ce:af:ca:66:ed:00:28:af:a2:49:8f:60:c1:20:63:30:e1:9e:8b:61:8b:05:7b:87:7b:1a:75:fc:dcSigner

59:35:ad:ce:af:ca:66:ed:00:28:af:a2:49:8f:60:c1:20:63:30:e1:9e:8b:61:8b:05:7b:87:7b:1a:75:fc:dcSigner

Headers

File Characteristics

Sections

.MPRESS Size: 36KB - Virtual size: 36KB

.MPRESS Size: 1024B - Virtual size: 4KB

.rsrc Size: 13KB - Virtual size: 16KB

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

59:35:ad:ce:af:ca:66:ed:00:28:af:a2:49:8f:60:c1:20:63:30:e1:9e:8b:61:8b:05:7b:87:7b:1a:75:fc:dc
Signer

59:35:ad:ce:af:ca:66:ed:00:28:af:a2:49:8f:60:c1:20:63:30:e1:9e:8b:61:8b:05:7b:87:7b:1a:75:fc:dc
Signer

.MPRESS
Size: 36KB - Virtual size: 36KB

.MPRESS
Size: 1024B - Virtual size: 4KB

.rsrc
Size: 13KB - Virtual size: 16KB