pbsvc[.]exe | Triage

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General

Target

pbsvc.exe
Size

666KB
MD5

34cbace217893f8eab3225620b30f530
SHA1

79e0aed19750b6eb11adb8f13f5d4b172ba1bdfc
SHA256

add225f66cbc8d579ceb92f5c943a121b8c3e40b03628ac40d2b05d8d61c7123
SHA512

e44215ce6e797b07a6135097f2d7ed3a34cf6d93d2bf46608dc0c02cff1c93ca1764bc227622796e9ae4fb6d9f38e96aa733c82898bac8c847e5ab008bf5516b
SSDEEP

12288:IIL3m7zsNrKvwsiVnUQazctm3kSH8rvhxSssYBMd2Ydn2BWUOG0UrmEfjN:jK7IY4siKQ3fa8rJxSssV0Yd/U3drmE5

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

pbsvc.exe
.exe windows:4 windows x86 arch:x86

Code Sign

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

Issuer

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Not Before

15/06/2007, 00:00

Not After

14/06/2012, 23:59

Subject

CN=VeriSign Time Stamping Services Signer - G2,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

Issuer

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

Not Before

04/12/2003, 00:00

Not After

03/12/2013, 23:59

Subject

CN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2
Certificate

Issuer

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Not Before

16/07/2004, 00:00

Not After

15/07/2014, 23:59

Subject

CN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

2e:16:55:db:73:1b:cd:9c:d5:db:c7:9c:ba:ac:3f:ec
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=US

Not Before

14/01/2008, 00:00

Not After

23/01/2009, 23:59

Subject

CN=Even Balance\, Inc.,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=Even Balance\, Inc.,ST=Texas,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

5a:ff:73:d8:63:0a:ee:3f:41:b6:26:44:47:45:12:62:13:f1:b1:10
Signer

Actual PE Digest

5a:ff:73:d8:63:0a:ee:3f:41:b6:26:44:47:45:12:62:13:f1:b1:10

Digest Algorithm

sha1

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 988KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 555KB - Virtual size: 556KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 104KB - Virtual size: 108KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 892KB - Virtual size: 889KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 296KB - Virtual size: 293KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 144KB - Virtual size: 238KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 104KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5Certificate

Extended Key Usages

Key Usages

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate

Extended Key Usages

Key Usages

41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2Certificate

Extended Key Usages

Key Usages

2e:16:55:db:73:1b:cd:9c:d5:db:c7:9c:ba:ac:3f:ecCertificate

Extended Key Usages

Key Usages

5a:ff:73:d8:63:0a:ee:3f:41:b6:26:44:47:45:12:62:13:f1:b1:10Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 988KB

UPX1 Size: 555KB - Virtual size: 556KB

.rsrc Size: 104KB - Virtual size: 108KB

Headers

File Characteristics

Sections

.text Size: 892KB - Virtual size: 889KB

.rdata Size: 296KB - Virtual size: 293KB

.data Size: 144KB - Virtual size: 238KB

.rsrc Size: 104KB - Virtual size: 103KB

38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5
Certificate

47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4
Certificate

41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2
Certificate

2e:16:55:db:73:1b:cd:9c:d5:db:c7:9c:ba:ac:3f:ec
Certificate

5a:ff:73:d8:63:0a:ee:3f:41:b6:26:44:47:45:12:62:13:f1:b1:10
Signer

UPX0
Size: - Virtual size: 988KB

UPX1
Size: 555KB - Virtual size: 556KB

.rsrc
Size: 104KB - Virtual size: 108KB

.text
Size: 892KB - Virtual size: 889KB

.rdata
Size: 296KB - Virtual size: 293KB

.data
Size: 144KB - Virtual size: 238KB

.rsrc
Size: 104KB - Virtual size: 103KB