2024-06-20_e3ef93ef768bca55ff363bd0053d6df3_cryptolocker

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General

Target

2024-06-20_e3ef93ef768bca55ff363bd0053d6df3_cryptolocker
Size

47KB
MD5

e3ef93ef768bca55ff363bd0053d6df3
SHA1

23e1b8fc706cf2a700186fa6b609c2fd7628e211
SHA256

7811b0bfae31bec270f248284c5f865ef20ceb4c2e68e99e2fa304c1be6332a1
SHA512

b6d346129c08b4b31d327a6679054def5c59a58eb97d6b4cd3592ececf1e3db3296f61159886af00a682e9945bf360a8038525fae7f2fe9241ec4bbe6a0ac640
SSDEEP

768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zr/:y6QFElP6n+gMQMOtEvwDpjbizbR9XwzD

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

2024-06-20_e3ef93ef768bca55ff363bd0053d6df3_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

fa:25:24:03:8b:ba:d4:3d:f3:c2:52:8d:74:59:2e:f1:02:d4:ab:b3:cf:b8:f1:dd:d9:3a:3a:87:a5:5b:1c:86
Signer

Actual PE Digest

fa:25:24:03:8b:ba:d4:3d:f3:c2:52:8d:74:59:2e:f1:02:d4:ab:b3:cf:b8:f1:dd:d9:3a:3a:87:a5:5b:1c:86

Digest Algorithm

sha256

PE Digest Matches

false

fa:25:24:03:8b:ba:d4:3d:f3:c2:52:8d:74:59:2e:f1:02:d4:ab:b3:cf:b8:f1:dd:d9:3a:3a:87:a5:5b:1c:86
Signer

Actual PE Digest

fa:25:24:03:8b:ba:d4:3d:f3:c2:52:8d:74:59:2e:f1:02:d4:ab:b3:cf:b8:f1:dd:d9:3a:3a:87:a5:5b:1c:86

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

fa:25:24:03:8b:ba:d4:3d:f3:c2:52:8d:74:59:2e:f1:02:d4:ab:b3:cf:b8:f1:dd:d9:3a:3a:87:a5:5b:1c:86Signer

fa:25:24:03:8b:ba:d4:3d:f3:c2:52:8d:74:59:2e:f1:02:d4:ab:b3:cf:b8:f1:dd:d9:3a:3a:87:a5:5b:1c:86Signer

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

fa:25:24:03:8b:ba:d4:3d:f3:c2:52:8d:74:59:2e:f1:02:d4:ab:b3:cf:b8:f1:dd:d9:3a:3a:87:a5:5b:1c:86
Signer

fa:25:24:03:8b:ba:d4:3d:f3:c2:52:8d:74:59:2e:f1:02:d4:ab:b3:cf:b8:f1:dd:d9:3a:3a:87:a5:5b:1c:86
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