2024-06-12_62ffa54fb728fc6f26428ba51f4ff5ff_cryptolocker

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General

Target

2024-06-12_62ffa54fb728fc6f26428ba51f4ff5ff_cryptolocker
Size

73KB
MD5

62ffa54fb728fc6f26428ba51f4ff5ff
SHA1

f4f3af20e4e16fd8206d9bc91adf4348880c83a3
SHA256

f8163d14c9208e9bc36a5f7866df6f9bfef6e094aa05fb43a6bfcb9b117af1d8
SHA512

6b8bd4ce2f14bc8c93c1e30f6be17d35d2703a7886124b607509b296a192bce36d77e76e9cbc110e9b6376519099c97f45b6be225676cfbfe8e2984798667713
SSDEEP

768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zA:9Uj+AIMOtEvwDpjLizbR9XwzA

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

2024-06-12_62ffa54fb728fc6f26428ba51f4ff5ff_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

81:a1:21:b6:43:f5:04:1a:e6:a5:24:71:51:20:28:56:6c:ae:6f:37:39:2b:07:b0:47:5f:bb:ea:34:e0:99:83
Signer

Actual PE Digest

81:a1:21:b6:43:f5:04:1a:e6:a5:24:71:51:20:28:56:6c:ae:6f:37:39:2b:07:b0:47:5f:bb:ea:34:e0:99:83

Digest Algorithm

sha256

PE Digest Matches

false

81:a1:21:b6:43:f5:04:1a:e6:a5:24:71:51:20:28:56:6c:ae:6f:37:39:2b:07:b0:47:5f:bb:ea:34:e0:99:83
Signer

Actual PE Digest

81:a1:21:b6:43:f5:04:1a:e6:a5:24:71:51:20:28:56:6c:ae:6f:37:39:2b:07:b0:47:5f:bb:ea:34:e0:99:83

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

81:a1:21:b6:43:f5:04:1a:e6:a5:24:71:51:20:28:56:6c:ae:6f:37:39:2b:07:b0:47:5f:bb:ea:34:e0:99:83Signer

81:a1:21:b6:43:f5:04:1a:e6:a5:24:71:51:20:28:56:6c:ae:6f:37:39:2b:07:b0:47:5f:bb:ea:34:e0:99:83Signer

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

81:a1:21:b6:43:f5:04:1a:e6:a5:24:71:51:20:28:56:6c:ae:6f:37:39:2b:07:b0:47:5f:bb:ea:34:e0:99:83
Signer

81:a1:21:b6:43:f5:04:1a:e6:a5:24:71:51:20:28:56:6c:ae:6f:37:39:2b:07:b0:47:5f:bb:ea:34:e0:99:83
Signer

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

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

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