2024-06-15_d57f3e508d32f63edced5c6c42cdfc4b_cryptolocker

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General

Target

2024-06-15_d57f3e508d32f63edced5c6c42cdfc4b_cryptolocker
Size

46KB
MD5

d57f3e508d32f63edced5c6c42cdfc4b
SHA1

e8f2813c63b5947b5563cee7dac7440c2b4903ef
SHA256

7131aacf371096513176a55a3193b0e91793d749332bdd92a8e97ab6bd5111a5
SHA512

f9c7f5b13e229f31df5eabda49b38f1adf3384fe361ae228ec71392803c3176aed1753dd5be52f7935cfd81af6ef87e8de542039a0d921afe6c6403731c00b88
SSDEEP

768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrd:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwzh

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

2024-06-15_d57f3e508d32f63edced5c6c42cdfc4b_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

38:78:85:82:df:7b:bd:bb:74:8c:49:cb:5d:22:22:4f:ca:d6:66:e6:5f:aa:8a:9c:c1:d3:6d:e9:17:15:62:08
Signer

Actual PE Digest

38:78:85:82:df:7b:bd:bb:74:8c:49:cb:5d:22:22:4f:ca:d6:66:e6:5f:aa:8a:9c:c1:d3:6d:e9:17:15:62:08

Digest Algorithm

sha256

PE Digest Matches

false

38:78:85:82:df:7b:bd:bb:74:8c:49:cb:5d:22:22:4f:ca:d6:66:e6:5f:aa:8a:9c:c1:d3:6d:e9:17:15:62:08
Signer

Actual PE Digest

38:78:85:82:df:7b:bd:bb:74:8c:49:cb:5d:22:22:4f:ca:d6:66:e6:5f:aa:8a:9c:c1:d3:6d:e9:17:15:62:08

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

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - 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

.reloc
Size: 1024B - Virtual size: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

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

38:78:85:82:df:7b:bd:bb:74:8c:49:cb:5d:22:22:4f:ca:d6:66:e6:5f:aa:8a:9c:c1:d3:6d:e9:17:15:62:08Signer

38:78:85:82:df:7b:bd:bb:74:8c:49:cb:5d:22:22:4f:ca:d6:66:e6:5f:aa:8a:9c:c1:d3:6d:e9:17:15:62:08Signer

Headers

File Characteristics

Sections

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

.rdata Size: 1KB - Virtual size: 1KB

.data Size: 1024B - Virtual size: 1KB

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

.reloc Size: 1024B - Virtual size: 536B

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

38:78:85:82:df:7b:bd:bb:74:8c:49:cb:5d:22:22:4f:ca:d6:66:e6:5f:aa:8a:9c:c1:d3:6d:e9:17:15:62:08
Signer

38:78:85:82:df:7b:bd:bb:74:8c:49:cb:5d:22:22:4f:ca:d6:66:e6:5f:aa:8a:9c:c1:d3:6d:e9:17:15:62:08
Signer

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

.rdata
Size: 1KB - Virtual size: 1KB

.data
Size: 1024B - Virtual size: 1KB

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

.reloc
Size: 1024B - Virtual size: 536B