a1d04cd0ef719b040a7c51c0a189bf4af1d85e066509b0190b0948e9225e3272

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General

Target

a1d04cd0ef719b040a7c51c0a189bf4af1d85e066509b0190b0948e9225e3272
Size

74KB
MD5

0eec6e6f19e4279e4ad79e7fed32ca80
SHA1

dd99b63dfe48c030d59120da73cd12e9bc6dae01
SHA256

a1d04cd0ef719b040a7c51c0a189bf4af1d85e066509b0190b0948e9225e3272
SHA512

33c9b8bc524a81f57b50f9a91ee7f579f097a1b8dee1cb581f51e06082df1aa9843c8d59f9ba398b64cdb69a40cdde11dc7e153300c847a560974c58dff88d05
SSDEEP

1536:/sz/J1Vam6AuyyfW8T1zIkfbUZoC8mqe0+Fzj3ZSPxgcaZkPxq:/sz/l6AHyfvCkdC0e0Ozj3gxgcamxq

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

Files

a1d04cd0ef719b040a7c51c0a189bf4af1d85e066509b0190b0948e9225e3272
.exe windows x86

Code Sign

75:74:2b:f4:bb:7a:68:cd:fc:6e:9d:37:4d:1e:db:ab:d2:0f:ac:e2
Certificate

Issuer

CN=Brian.com,L=Hong Kong,ST=Central and Western District,C=HK

Not Before

28/04/2023, 01:56

Not After

27/04/2024, 01:56

Subject

CN=Brian.com,L=Hong Kong,ST=Central and Western District,C=HK

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageKeyEncipherment

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

Issuer

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

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

Issuer

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

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

Issuer

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

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

75:74:2b:f4:bb:7a:68:cd:fc:6e:9d:37:4d:1e:db:ab:d2:0f:ac:e2
Certificate

Issuer

CN=Brian.com,L=Hong Kong,ST=Central and Western District,C=HK

Not Before

28/04/2023, 01:56

Not After

27/04/2024, 01:56

Subject

CN=Brian.com,L=Hong Kong,ST=Central and Western District,C=HK

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageKeyEncipherment

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

Issuer

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

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

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

Issuer

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

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

Issuer

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

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

fd:1c:65:ea:43:f2:44:2c:6f:64:0c:a3:2b:c1:8c:4b:ca:8d:9e:0d:e4:3d:40:9a:4a:cd:dd:47:1d:be:b7:ca
Signer

Actual PE Digest

fd:1c:65:ea:43:f2:44:2c:6f:64:0c:a3:2b:c1:8c:4b:ca:8d:9e:0d:e4:3d:40:9a:4a:cd:dd:47:1d:be:b7:ca

Digest Algorithm

sha256

PE Digest Matches

false

2e:7f:75:a8:f0:6d:bc:b5:57:b9:09:70:e8:88:8f:e8:da:84:c6:91
Signer

Actual PE Digest

2e:7f:75:a8:f0:6d:bc:b5:57:b9:09:70:e8:88:8f:e8:da:84:c6:91

Digest Algorithm

sha1

PE Digest Matches

false

Headers

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

Sections

UPX0
Size: - Virtual size: 92KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 57KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

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

Sections

.text
Size: 76KB - Virtual size: 76KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 38KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 840B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

75:74:2b:f4:bb:7a:68:cd:fc:6e:9d:37:4d:1e:db:ab:d2:0f:ac:e2Certificate

Extended Key Usages

Key Usages

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

Key Usages

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

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

75:74:2b:f4:bb:7a:68:cd:fc:6e:9d:37:4d:1e:db:ab:d2:0f:ac:e2Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

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

Key Usages

fd:1c:65:ea:43:f2:44:2c:6f:64:0c:a3:2b:c1:8c:4b:ca:8d:9e:0d:e4:3d:40:9a:4a:cd:dd:47:1d:be:b7:caSigner

2e:7f:75:a8:f0:6d:bc:b5:57:b9:09:70:e8:88:8f:e8:da:84:c6:91Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 92KB

UPX1 Size: 57KB - Virtual size: 60KB

.rsrc Size: 1KB - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 76KB - Virtual size: 76KB

.rdata Size: 38KB - Virtual size: 37KB

.data Size: 2KB - Virtual size: 5KB

.reloc Size: 5KB - Virtual size: 5KB

.rsrc Size: 1024B - Virtual size: 840B

75:74:2b:f4:bb:7a:68:cd:fc:6e:9d:37:4d:1e:db:ab:d2:0f:ac:e2
Certificate

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

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

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

75:74:2b:f4:bb:7a:68:cd:fc:6e:9d:37:4d:1e:db:ab:d2:0f:ac:e2
Certificate

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

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

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

fd:1c:65:ea:43:f2:44:2c:6f:64:0c:a3:2b:c1:8c:4b:ca:8d:9e:0d:e4:3d:40:9a:4a:cd:dd:47:1d:be:b7:ca
Signer

2e:7f:75:a8:f0:6d:bc:b5:57:b9:09:70:e8:88:8f:e8:da:84:c6:91
Signer

UPX0
Size: - Virtual size: 92KB

UPX1
Size: 57KB - Virtual size: 60KB

.rsrc
Size: 1KB - Virtual size: 4KB

.text
Size: 76KB - Virtual size: 76KB

.rdata
Size: 38KB - Virtual size: 37KB

.data
Size: 2KB - Virtual size: 5KB

.reloc
Size: 5KB - Virtual size: 5KB

.rsrc
Size: 1024B - Virtual size: 840B