TeamViewer[.]exe

Sharing

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General

Target

TeamViewer.exe
Size

1.4MB
MD5

6ef937b9d3d3eea451654bddb6d481ea
SHA1

f40a56f3b78a9ac7062cf4f1da06d48902e22230
SHA256

8825e0e7bca84cd2a15b1b4b95c791c106289b0970f830c921d000ad3b18b649
SHA512

cd57e65b817ea3fe02ac514b407a941995d1e44dc3bb70b40acb5af9dba6e3027e8e2bf9c11e768e09f2e6b1c7cbe05940d65c73a3791d332779955bc23b41e4
SSDEEP

24576:22nzThByByhb3yTIWezVqyy77NAiJ3nES5DodVeODO4oUiqj2R3FnZYcQawJuB0H:hnryByZyTNez4l77LFnES5sdVNDO4YRC

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

TeamViewer.exe
.exe windows 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

25:c9:02:d0:26:e3:12:44:c1:25:99:67:71:c9:dc:01
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

16/01/2008, 00:00

Not After

22/02/2011, 23:59

Subject

CN=TeamViewer GmbH,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=TeamViewer GmbH,ST=Baden Wuerttemberg,C=DE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

66:6e:c5:07:c8:73:b5:21:02:40:34:03:4b:02:8c:45:2e:9d:23:27
Signer

Actual PE Digest

66:6e:c5:07:c8:73:b5:21:02:40:34:03:4b:02:8c:45:2e:9d:23:27

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: 188KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 17KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows 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: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 108KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 32KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 24KB - Virtual size: 23KB

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

25:c9:02:d0:26:e3:12:44:c1:25:99:67:71:c9:dc:01Certificate

Extended Key Usages

Key Usages

66:6e:c5:07:c8:73:b5:21:02:40:34:03:4b:02:8c:45:2e:9d:23:27Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 188KB

UPX1 Size: 17KB - Virtual size: 20KB

.rsrc Size: 24KB - Virtual size: 24KB

Headers

File Characteristics

Sections

.text Size: 22KB - Virtual size: 21KB

.rdata Size: 4KB - Virtual size: 4KB

.data Size: 1024B - Virtual size: 108KB

.ndata Size: - Virtual size: 32KB

.rsrc Size: 24KB - Virtual size: 23KB

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

25:c9:02:d0:26:e3:12:44:c1:25:99:67:71:c9:dc:01
Certificate

66:6e:c5:07:c8:73:b5:21:02:40:34:03:4b:02:8c:45:2e:9d:23:27
Signer

UPX0
Size: - Virtual size: 188KB

UPX1
Size: 17KB - Virtual size: 20KB

.rsrc
Size: 24KB - Virtual size: 24KB

.text
Size: 22KB - Virtual size: 21KB

.rdata
Size: 4KB - Virtual size: 4KB

.data
Size: 1024B - Virtual size: 108KB

.ndata
Size: - Virtual size: 32KB

.rsrc
Size: 24KB - Virtual size: 23KB