66f7c50449d200f03ec14cb11806bff11886d99f57f8b8088c7cb1042cefb257

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General

Target
66f7c50449d200f03ec14cb11806bff11886d99f57f8b8088c7cb1042cefb257
Size 277KB
Sample230508-nrspvacb81
SHA256 66f7c50449d200f03ec14cb11806bff11886d99f57f8b8088c7cb1042cefb257
MD5 dcc933092359423d2a9ee64110c1034b
SHA1 4af348ef9d6f7c9026d3daa69802e39f1342dd8e
SHA512 6c3e9a684602ca25a8a90db89c86427a007cc1482050b01ece39c9041f62df628a89ad006ce46a8f116352499510d4eb25318e25db45a3c9d3399f6c7d2ab3da
SSDEEP 3072:QNXEGZJWhfNFC4S60+XoLczrVmXL3ht6p0S/koRyxZJN4oqzXGdVmtH01ne4PKsF:+XzKdNY49u8rVvrsHHN4oqXG+01netQ
MD5 SHA1 SHA512 SSDEEP

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

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

File Explorer

66f7c50449d200f03ec14cb11806bff11886d99f57f8b8088c7cb1042cefb257

.exe 277KB
out.upx

.exe 485KB

66f7c50449d200f03ec14cb11806bff11886d99f57f8b8088c7cb1042cefb257

SHA256 66f7c50449d200f03ec14cb11806bff11886d99f57f8b8088c7cb1042cefb257
MD5 dcc933092359423d2a9ee64110c1034b
SHA1 4af348ef9d6f7c9026d3daa69802e39f1342dd8e
SHA512 6c3e9a684602ca25a8a90db89c86427a007cc1482050b01ece39c9041f62df628a89ad006ce46a8f116352499510d4eb25318e25db45a3c9d3399f6c7d2ab3da
SSDEEP 3072:QNXEGZJWhfNFC4S60+XoLczrVmXL3ht6p0S/koRyxZJN4oqzXGdVmtH01ne4PKsF:+XzKdNY49u8rVvrsHHN4oqXG+01netQ
MD5 SHA1 SHA512 SSDEEP

windows x86

UPX packed file

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

upx

Digest

d4:b3:82:f8:cf:3a:f4:b3:77:ef:dc:ac:4c:d1:38:e5:dd:a0:45:26:c6:a0:66:7a:21:93:20:41:29:46:65:62

Digest Algorithm

sha256

PE Digests Matches

Trusted

Subject

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Serial Number

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageCertSign, KeyUsageCRLSign

Timespan

Jan 1, 2004 - Dec 31, 2028

Subject

CN=Internet Testing Systems,O=Internet Testing Systems,POSTALCODE=21211,STREET=Suite 401+STREET=3000 Chestnut Ave,L=Baltimore,ST=Maryland,C=US

Serial Number

f8:f0:31:28:52:d3:a7:0b:43:ed:aa:a5:df:39:c4:a5

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

May 7, 2020 - Aug 6, 2023

Subject

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

Serial Number

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Mar 12, 2019 - Dec 31, 2028

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Aug 1, 2022 - Nov 9, 2031

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning, ExtKeyUsageTimeStamping

Timespan

Nov 2, 2018 - Dec 31, 2030

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Serial Number

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 23, 2022 - Mar 22, 2037

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Serial Number

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Sep 21, 2022 - Nov 21, 2033

Minor OS version

Major OS version

Entry point

547568

Magic Number

267

Subsystem

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

out.upx

SHA256 689bd64cdfd1eb41f46807586223dd2bbca510d2b5e6a0fdf76bb1852b1e5b3a
MD5 fcc323dfa9168d469487f6eab6b75db6
SHA1 a036ca275638dac7657851244277a5a760dbebd5
SHA512 056fc407784533d062965da10a6eaff66a1ecd8dd2494f9fd9ae696542535018afa48bcd991a499e023de0b04f03ef522cb94f4b38ebff1d4d6341ba158ca236
SSDEEP 6144:J7WQ0j4ltziolIGlnE2dpl01net4gPYfq8ZF02IlLZD:ni4lZio5l01HgPbD
MD5 SHA1 SHA512 SSDEEP

windows x86

UPX packed file

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

upx
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

20471

Magic Number

267

Subsystem

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths