netwalker | 20807e0f8171807c8f0c443df26ea852c7bfb4988d37e7874615cc840573cc9d

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General

Target

20807e0f8171807c8f0c443df26ea852c7bfb4988d37e7874615cc840573cc9d
Size

80KB
MD5

5cf25a50ae26c6c97a6ecd0e27b41541
SHA1

6e8d04cb4665ff7ad04d92e21d6b1791798639ac
SHA256

20807e0f8171807c8f0c443df26ea852c7bfb4988d37e7874615cc840573cc9d
SHA512

26758d1496a8ec616d9a490d839baeb4fd61ae1bfabf923c83f8bce1165e29449cbaaa2504b32bb6b68066c9b39eb7374c6ec09846770681d4b2f7738737a637
SSDEEP

1536:buCWRxL7hbUiQfovecnXUU+hhOZuIWiFp+ZfaBZebC33O+/Vbba8pVTA:iCWf7VJQfmeMXvkhOZu1iFBBZebC3PVG

Score

10^/10

netwalker

Malware Config

Signatures

Detected Netwalker Ransomware 1 IoCs

Detected unpacked Netwalker executable.

resource	yara_rule
sample	netwalker_ransomware

Netwalker family
netwalker

Files

20807e0f8171807c8f0c443df26ea852c7bfb4988d37e7874615cc840573cc9d
.exe windows x86

e82dd51b077167be63c004bed23d0c1e

Code Sign

7b:91:46:81:22:27:3a:a3:2b:7c:fc:80:c3:31:ea:13
Certificate

Issuer

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

13-03-2020 00:00

Not After

14-01-2021 23:59

Subject

CN=OOO KBI,O=OOO KBI,POSTALCODE=236029,STREET=Ozernaia 35a\, 19,L=Kaliningrad,ST=Kaliningradskaia Oblast,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

01:fd:6d:30:fc:a3:ca:51:a8:1b:bc:64:0e:35:03:2d
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

01-02-2010 00:00

Not After

18-01-2038 23:59

Subject

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02-11-2018 00:00

Not After

31-12-2030 23:59

Subject

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

Issuer

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22-10-2014 00:00

Not After

22-10-2024 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10-11-2006 00:00

Not After

10-11-2021 00:00

Subject

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

49:83:e4:4d:a5:12:90:53:24:65:97:a5:a2:de:33:45:03:3d:2a:03
Signer

Actual PE Digest

49:83:e4:4d:a5:12:90:53:24:65:97:a5:a2:de:33:45:03:3d:2a:03

Digest Algorithm

sha1

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=OOO KBI,O=OOO KBI,POSTALCODE=236029,STREET=Ozernaia 35a\, 19,L=Kaliningrad,ST=Kaliningradskaia Oblast,C=RU

15-04-2020 09:37
Valid: true

Chain 1

CN=OOO KBI,O=OOO KBI,POSTALCODE=236029,STREET=Ozernaia 35a\, 19,L=Kaliningrad,ST=Kaliningradskaia Oblast,C=RU

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NO_ISOLATION
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

Sleep

Sections

.text
Size: 58KB - Virtual size: 58KB

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: 808B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 5KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e82dd51b077167be63c004bed23d0c1e

Code Sign

7b:91:46:81:22:27:3a:a3:2b:7c:fc:80:c3:31:ea:13Certificate

Extended Key Usages

Key Usages

01:fd:6d:30:fc:a3:ca:51:a8:1b:bc:64:0e:35:03:2dCertificate

Key Usages

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6aCertificate

Extended Key Usages

Key Usages

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate

Extended Key Usages

Key Usages

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate

Extended Key Usages

Key Usages

49:83:e4:4d:a5:12:90:53:24:65:97:a5:a2:de:33:45:03:3d:2a:03Signer

Signature Validations

Verification

15-04-2020 09:37 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 58KB - Virtual size: 58KB

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

.data Size: 1024B - Virtual size: 808B

.rsrc Size: 5KB - Virtual size: 8KB

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

7b:91:46:81:22:27:3a:a3:2b:7c:fc:80:c3:31:ea:13
Certificate

01:fd:6d:30:fc:a3:ca:51:a8:1b:bc:64:0e:35:03:2d
Certificate

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

49:83:e4:4d:a5:12:90:53:24:65:97:a5:a2:de:33:45:03:3d:2a:03
Signer

15-04-2020 09:37
Valid: true

.text
Size: 58KB - Virtual size: 58KB

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

.data
Size: 1024B - Virtual size: 808B

.rsrc
Size: 5KB - Virtual size: 8KB

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