2024-10-12_58422aab1aab8f26f2aa6ac748d188ba_cryptolocker

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General

Target

2024-10-12_58422aab1aab8f26f2aa6ac748d188ba_cryptolocker
Size

64KB
MD5

58422aab1aab8f26f2aa6ac748d188ba
SHA1

e2f0007acfcd107f57d5e7060f94444bb2e1aea3
SHA256

2ceafa69377879738aeb3421e67283c5b2f9d8d54a791d085280014ee820cd86
SHA512

455c685fc94b0646d1776cebf398267bc3b7ac3e08b2c3490f1adc35a2a5e08940aa31c008f77174364c940909f893ddd0c66945201a6ac638526bb520481c59
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9za:0j+soPSMOtEvwDpjwizbR9Xwza

Score

5^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Files

2024-10-12_58422aab1aab8f26f2aa6ac748d188ba_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

b1:2b:c8:7b:44:e6:61:95:0d:a5:ba:6f:12:7d:26:7c:77:6b:77:0c:72:f8:b8:22:95:87:4a:1f:17:ba:d1:ee
Signer

Actual PE Digest

b1:2b:c8:7b:44:e6:61:95:0d:a5:ba:6f:12:7d:26:7c:77:6b:77:0c:72:f8:b8:22:95:87:4a:1f:17:ba:d1:ee

Digest Algorithm

sha256

PE Digest Matches

false

b1:2b:c8:7b:44:e6:61:95:0d:a5:ba:6f:12:7d:26:7c:77:6b:77:0c:72:f8:b8:22:95:87:4a:1f:17:ba:d1:ee
Signer

Actual PE Digest

b1:2b:c8:7b:44:e6:61:95:0d:a5:ba:6f:12:7d:26:7c:77:6b:77:0c:72:f8:b8:22:95:87:4a:1f:17:ba:d1:ee

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
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: 20KB - Virtual size: 32KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 10KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 11KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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

b1:2b:c8:7b:44:e6:61:95:0d:a5:ba:6f:12:7d:26:7c:77:6b:77:0c:72:f8:b8:22:95:87:4a:1f:17:ba:d1:eeSigner

b1:2b:c8:7b:44:e6:61:95:0d:a5:ba:6f:12:7d:26:7c:77:6b:77:0c:72:f8:b8:22:95:87:4a:1f:17:ba:d1:eeSigner

Headers

File Characteristics

Sections

UPX0 Size: 20KB - Virtual size: 32KB

UPX1 Size: 10KB - Virtual size: 12KB

.rsrc Size: 11KB - Virtual size: 12KB

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

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

b1:2b:c8:7b:44:e6:61:95:0d:a5:ba:6f:12:7d:26:7c:77:6b:77:0c:72:f8:b8:22:95:87:4a:1f:17:ba:d1:ee
Signer

b1:2b:c8:7b:44:e6:61:95:0d:a5:ba:6f:12:7d:26:7c:77:6b:77:0c:72:f8:b8:22:95:87:4a:1f:17:ba:d1:ee
Signer

UPX0
Size: 20KB - Virtual size: 32KB

UPX1
Size: 10KB - Virtual size: 12KB

.rsrc
Size: 11KB - Virtual size: 12KB

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