NetScan[.]exe | Triage

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General

Target

NetScan.exe
Size

141KB
MD5

56e3cd01c3de77a1b2dc5e7e9400cb95
SHA1

be76bbae4d0f35c90e1540e739044181e4ad2718
SHA256

125844ac2bb8e76264e991e1737d5f90447c78895700e5a873c4365a2edf0195
SHA512

56e5409eb171c7f971a854c4ed5cc4c20c6177cf2793e156e71865984bba88ae2ba094e0b1dbe6126b518c7eacb554cda34e423f6b860414e5de67b792087143
SSDEEP

3072:Ma0DCDEZKOZI70q94mHSY8OVbkP/zcUo/nPFOiD4Lx:MHDa4mHVLKz6LS

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

NetScan.exe
.exe windows x86

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

65:79:2e:61:34:67:81:d0:2f:e2:28:a7:e4:48:f4:12
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

17/06/2015, 00:00

Not After

15/08/2018, 23:59

Subject

CN=Knowhow Information & Communication Inc,O=Knowhow Information & Communication Inc,L=Yongsan-gu,ST=Seoul,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

e1:c4:cb:7d:21:ec:07:d7:7e:8e:d5:66:66:56:80:b4:5b:86:65:45:83:ab:8b:da:a8:a4:4c:b7:42:63:d9:f0
Signer

Actual PE Digest

e1:c4:cb:7d:21:ec:07:d7:7e:8e:d5:66:66:56:80:b4:5b:86:65:45:83:ab:8b:da:a8:a4:4c:b7:42:63:d9:f0

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Knowhow Information & Communication Inc,O=Knowhow Information & Communication Inc,L=Yongsan-gu,ST=Seoul,C=KR

10/01/2017, 23:59
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 200KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 129KB - Virtual size: 132KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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_32BIT_MACHINE

Sections

.text
Size: 219KB - Virtual size: 218KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 55KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

65:79:2e:61:34:67:81:d0:2f:e2:28:a7:e4:48:f4:12Certificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

e1:c4:cb:7d:21:ec:07:d7:7e:8e:d5:66:66:56:80:b4:5b:86:65:45:83:ab:8b:da:a8:a4:4c:b7:42:63:d9:f0Signer

Signature Validations

Verification

10/01/2017, 23:59 Valid: false

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 200KB

UPX1 Size: 129KB - Virtual size: 132KB

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

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 219KB - Virtual size: 218KB

.rdata Size: 55KB - Virtual size: 55KB

.data Size: 10KB - Virtual size: 25KB

.rsrc Size: 16KB - Virtual size: 15KB

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

65:79:2e:61:34:67:81:d0:2f:e2:28:a7:e4:48:f4:12
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

e1:c4:cb:7d:21:ec:07:d7:7e:8e:d5:66:66:56:80:b4:5b:86:65:45:83:ab:8b:da:a8:a4:4c:b7:42:63:d9:f0
Signer

10/01/2017, 23:59
Valid: false

UPX0
Size: - Virtual size: 200KB

UPX1
Size: 129KB - Virtual size: 132KB

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

.text
Size: 219KB - Virtual size: 218KB

.rdata
Size: 55KB - Virtual size: 55KB

.data
Size: 10KB - Virtual size: 25KB

.rsrc
Size: 16KB - Virtual size: 15KB