dnshelper[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

dnshelper.exe
Size

337KB
MD5

0693f333af5199f6ceda4fedd7490dbd
SHA1

57cad6c2fd8df8d51a3960344fb34a2dfefd79f4
SHA256

3af76395992a5de97014e8979bad472244aa24b4fcb64b141128b7df8d57993e
SHA512

c0918665d8f5ec463cce23f5c1fe72f0e3d502213640789427e4debfe4e280437ba6c766a6507a4e41e69d2a101a73a37cf3540ef0793a388570f3299591e80c
SSDEEP

6144:DsvWyh4QYSLf99TOk7MpBGoZ6gPM/O5/qsp2f8GG3GvTNM55v8WJ0qXRe:DMh6QFUbMgPvkf8GG0M55vxJ3Re

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

dnshelper.exe
.exe windows x86

Code Sign

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:be
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

10/05/2010, 00:00

Not After

10/05/2015, 23:59

Subject

CN=COMODO Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

41:e4:f3:47:8c:eb:8f:3b:8b:87:e0:ab:04:a7:ac:cf
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Not Before

25/07/2014, 00:00

Not After

23/08/2017, 23:59

Subject

CN=Qingdao Ruanmei Network Technology Co.\,Ltd.,OU=IT,O=Qingdao Ruanmei Network Technology Co.\,Ltd.,L=Qingdao,ST=Shandong,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
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

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

70:df:ce:d6:14:2d:61:f6:c3:c5:b2:79:5b:a4:d7:a9:e2:a3:8b:7f
Signer

Actual PE Digest

70:df:ce:d6:14:2d:61:f6:c3:c5:b2:79:5b:a4:d7:a9:e2:a3:8b:7f

Digest Algorithm

sha1

PE Digest Matches

true

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: 476KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 276KB - Virtual size: 276KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 55KB - Virtual size: 56KB

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: 423KB - Virtual size: 422KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 91KB - Virtual size: 91KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 145KB - Virtual size: 144KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 33KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:beCertificate

Extended Key Usages

Key Usages

41:e4:f3:47:8c:eb:8f:3b:8b:87:e0:ab:04:a7:ac:cfCertificate

Extended Key Usages

Key Usages

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7Certificate

Extended Key Usages

Key Usages

70:df:ce:d6:14:2d:61:f6:c3:c5:b2:79:5b:a4:d7:a9:e2:a3:8b:7fSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 476KB

UPX1 Size: 276KB - Virtual size: 276KB

.rsrc Size: 55KB - Virtual size: 56KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 423KB - Virtual size: 422KB

.rdata Size: 91KB - Virtual size: 91KB

.data Size: 15KB - Virtual size: 24KB

.rsrc Size: 145KB - Virtual size: 144KB

.reloc Size: 33KB - Virtual size: 32KB

47:8a:8e:fb:59:e1:d8:3f:0c:e1:42:d2:a2:87:07:be
Certificate

41:e4:f3:47:8c:eb:8f:3b:8b:87:e0:ab:04:a7:ac:cf
Certificate

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

70:df:ce:d6:14:2d:61:f6:c3:c5:b2:79:5b:a4:d7:a9:e2:a3:8b:7f
Signer

UPX0
Size: - Virtual size: 476KB

UPX1
Size: 276KB - Virtual size: 276KB

.rsrc
Size: 55KB - Virtual size: 56KB

.text
Size: 423KB - Virtual size: 422KB

.rdata
Size: 91KB - Virtual size: 91KB

.data
Size: 15KB - Virtual size: 24KB

.rsrc
Size: 145KB - Virtual size: 144KB

.reloc
Size: 33KB - Virtual size: 32KB