m[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

m.exe
Size

348KB
MD5

1996d66868346b8501fb9c71a185e97c
SHA1

b13a75914056e8d3c9252eff173a526da3132e83
SHA256

c439c2a90693e3f06521e1b272db0eae96d2000b610258b3ac16bb2dc38f2183
SHA512

368c00f5a76ea9ad668ea0670a8bb29174b8898ee90c7a64adb2b317301923892eae4bbec0c0b3376284049b3e88cacbd74bc7e8773a41c5c10c48a2eeedba16
SSDEEP

6144:YquA2VRmPLwSgM5NItXz3LSK87hM08xdboBh51PdKiCgceGrhkKOcBnMFoKxjZOq:Y7VqwSJ5G9TLSZ7hMJxOB6iMDhkKOcBo

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

m.exe
.exe windows x86

Code Sign

01:45:4b:e4:84:61:3b:4d:15:1f:0c:63:b3:43:93:19
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

16/09/2014, 00:00

Not After

22/11/2017, 12:00

Subject

CN=Spotify AB,O=Spotify AB,L=Stockholm,ST=Stockholm,C=SE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

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

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

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

4f:12:e4:ae:15:07:ed:e5:7f:05:94:b3:f9:3d:cd:c2:bc:be:3f:cf
Signer

Actual PE Digest

4f:12:e4:ae:15:07:ed:e5:7f:05:94:b3:f9:3d:cd:c2:bc:be:3f:cf

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 528KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 214KB - Virtual size: 216KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 126KB - Virtual size: 128KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 372KB - Virtual size: 371KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 191KB - Virtual size: 190KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 30KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 125KB - Virtual size: 125KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

01:45:4b:e4:84:61:3b:4d:15:1f:0c:63:b3:43:93:19Certificate

Extended Key Usages

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

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

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

Extended Key Usages

Key Usages

4f:12:e4:ae:15:07:ed:e5:7f:05:94:b3:f9:3d:cd:c2:bc:be:3f:cfSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 528KB

UPX1 Size: 214KB - Virtual size: 216KB

.rsrc Size: 126KB - Virtual size: 128KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 372KB - Virtual size: 371KB

.rdata Size: 191KB - Virtual size: 190KB

.data Size: 30KB - Virtual size: 35KB

.gfids Size: 2KB - Virtual size: 1KB

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 125KB - Virtual size: 125KB

01:45:4b:e4:84:61:3b:4d:15:1f:0c:63:b3:43:93:19
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

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

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

4f:12:e4:ae:15:07:ed:e5:7f:05:94:b3:f9:3d:cd:c2:bc:be:3f:cf
Signer

UPX0
Size: - Virtual size: 528KB

UPX1
Size: 214KB - Virtual size: 216KB

.rsrc
Size: 126KB - Virtual size: 128KB

.text
Size: 372KB - Virtual size: 371KB

.rdata
Size: 191KB - Virtual size: 190KB

.data
Size: 30KB - Virtual size: 35KB

.gfids
Size: 2KB - Virtual size: 1KB

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 125KB - Virtual size: 125KB