2024-07-04_f25a82c8fc11abbe9289c483df9a3aec_cryptolocker

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General

Target

2024-07-04_f25a82c8fc11abbe9289c483df9a3aec_cryptolocker
Size

63KB
MD5

f25a82c8fc11abbe9289c483df9a3aec
SHA1

fea9ea96c1caa6dab72956209e47d22d882e0401
SHA256

3409c9fd636a4b9f29b0cd49b06fd4b0d1ef4e5f09cbea7d683546f263aee6f1
SHA512

d2b1688be97a81390a852627965157cfec0d065b735423931e4fddac1254fcbc3ceb59a7909796a38d43d8cb35326469569e816f1f49b07467b0106969782afc
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9z2:0j+soPSMOtEvwDpjwizbR9Xwz2

Score

7^/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

2024-07-04_f25a82c8fc11abbe9289c483df9a3aec_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

61:78:94:95:13:9a:0f:5c:54:02:32:c2:ab:a3:4c:ec:f1:86:2c:5a:cf:42:9b:07:a0:f8:b2:0a:24:76:98:c6
Signer

Actual PE Digest

61:78:94:95:13:9a:0f:5c:54:02:32:c2:ab:a3:4c:ec:f1:86:2c:5a:cf:42:9b:07:a0:f8:b2:0a:24:76:98:c6

Digest Algorithm

sha256

PE Digest Matches

false

61:78:94:95:13:9a:0f:5c:54:02:32:c2:ab:a3:4c:ec:f1:86:2c:5a:cf:42:9b:07:a0:f8:b2:0a:24:76:98:c6
Signer

Actual PE Digest

61:78:94:95:13:9a:0f:5c:54:02:32:c2:ab:a3:4c:ec:f1:86:2c:5a:cf:42:9b:07:a0:f8:b2:0a:24:76:98:c6

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

61:78:94:95:13:9a:0f:5c:54:02:32:c2:ab:a3:4c:ec:f1:86:2c:5a:cf:42:9b:07:a0:f8:b2:0a:24:76:98:c6Signer

61:78:94:95:13:9a:0f:5c:54:02:32:c2:ab:a3:4c:ec:f1:86:2c:5a:cf:42:9b:07:a0:f8:b2:0a:24:76:98:c6Signer

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

61:78:94:95:13:9a:0f:5c:54:02:32:c2:ab:a3:4c:ec:f1:86:2c:5a:cf:42:9b:07:a0:f8:b2:0a:24:76:98:c6
Signer

61:78:94:95:13:9a:0f:5c:54:02:32:c2:ab:a3:4c:ec:f1:86:2c:5a:cf:42:9b:07:a0:f8:b2:0a:24:76:98:c6
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