2024-09-08_00ca92f6e306e26d66f86f50523119b4_cryptolocker

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General

Target

2024-09-08_00ca92f6e306e26d66f86f50523119b4_cryptolocker
Size

63KB
MD5

00ca92f6e306e26d66f86f50523119b4
SHA1

06af4d9dd0819745df33e6d93d07d5514cd37466
SHA256

64b14bf4ccc21cbcea877d8fea2292ee091bab04bf39a79aac9d821dc526c322
SHA512

a474e35f6d1b1ee8fcbe4672fe4cf31b2183478a13ba3b569bf9922cd9d03efd0e0dd047acd6424cdd5a51e1b44d61390626b711a009bd07ce2df701f8c4e859
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zm:0j+soPSMOtEvwDpjwizbR9Xwzm

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

2024-09-08_00ca92f6e306e26d66f86f50523119b4_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

18:c8:d1:ab:e6:34:b0:5b:c4:6b:39:9d:2b:f9:10:85:dd:d3:65:e5:cd:bd:8b:ea:d8:fa:11:b6:bc:11:67:3d
Signer

Actual PE Digest

18:c8:d1:ab:e6:34:b0:5b:c4:6b:39:9d:2b:f9:10:85:dd:d3:65:e5:cd:bd:8b:ea:d8:fa:11:b6:bc:11:67:3d

Digest Algorithm

sha256

PE Digest Matches

false

18:c8:d1:ab:e6:34:b0:5b:c4:6b:39:9d:2b:f9:10:85:dd:d3:65:e5:cd:bd:8b:ea:d8:fa:11:b6:bc:11:67:3d
Signer

Actual PE Digest

18:c8:d1:ab:e6:34:b0:5b:c4:6b:39:9d:2b:f9:10:85:dd:d3:65:e5:cd:bd:8b:ea:d8:fa:11:b6:bc:11:67:3d

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

18:c8:d1:ab:e6:34:b0:5b:c4:6b:39:9d:2b:f9:10:85:dd:d3:65:e5:cd:bd:8b:ea:d8:fa:11:b6:bc:11:67:3dSigner

18:c8:d1:ab:e6:34:b0:5b:c4:6b:39:9d:2b:f9:10:85:dd:d3:65:e5:cd:bd:8b:ea:d8:fa:11:b6:bc:11:67:3dSigner

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

18:c8:d1:ab:e6:34:b0:5b:c4:6b:39:9d:2b:f9:10:85:dd:d3:65:e5:cd:bd:8b:ea:d8:fa:11:b6:bc:11:67:3d
Signer

18:c8:d1:ab:e6:34:b0:5b:c4:6b:39:9d:2b:f9:10:85:dd:d3:65:e5:cd:bd:8b:ea:d8:fa:11:b6:bc:11:67:3d
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