OInstall[.]rar

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General

Target

OInstall.rar
Size

9.2MB
MD5

d859ef9b4ea2ecfc4fe013fa2c9448d9
SHA1

886479d3d7d5256620c21adbc2607e848e4f5f2b
SHA256

6c07cf5fef32eb19baa58a277d2e5088443f82c70db144f149ef508d6185faf2
SHA512

4ab51f80380d3ce8a5a2fd2802dbc3d60345be8277a814547c95a54644a3f908d56757c57bf396b09ec561e817f628f00f05a116343d37fca9fc9f3afff13428
SSDEEP

196608:+ksgtqG7mPUVpgzELw+GiOYJu7zgKgXy/KIyKTj+LV:H5cRQfGiOKKMHyiIH/EV

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
static1/unpack001/OInstall.exe	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack002/out.upx

Files

OInstall.rar
.rar
OInstall.exe
.exe windows:4 windows x86 arch:x86

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

Issuer

CN=WZTeam

Not Before

02-11-2016 18:47

Not After

31-12-2039 23:59

Subject

CN=WZTeam

Extended Key Usages

ExtKeyUsageCodeSigning

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

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

Issuer

CN=WZTeam

Not Before

02-11-2016 18:47

Not After

31-12-2039 23:59

Subject

CN=WZTeam

Extended Key Usages

ExtKeyUsageCodeSigning

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12-01-2016 00:00

Not After

11-01-2031 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23-12-2017 00:00

Not After

22-03-2029 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

b1:65:4b:1a:41:44:9a:88:3b:74:69:ca:2d:ac:3f:16:38:65:ff:6c:80:ec:cb:25:27:f6:cc:02:58:b1:b9:6a
Signer

Actual PE Digest

b1:65:4b:1a:41:44:9a:88:3b:74:69:ca:2d:ac:3f:16:38:65:ff:6c:80:ec:cb:25:27:f6:cc:02:58:b1:b9:6a

Digest Algorithm

sha256

PE Digest Matches

true

7f:b6:19:11:3c:b0:29:1f:55:ca:20:2b:a0:fb:b8:e7:39:7a:5f:ba
Signer

Actual PE Digest

7f:b6:19:11:3c:b0:29:1f:55:ca:20:2b:a0:fb:b8:e7:39:7a:5f:ba

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: 10.4MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 9.3MB - Virtual size: 9.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 84KB - Virtual size: 88KB

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

.code
Size: 197KB - Virtual size: 197KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 595KB - Virtual size: 594KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 114KB - Virtual size: 113KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 18.2MB - Virtual size: 18.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 83KB - Virtual size: 82KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.modplug
Size: - Virtual size: 20KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9eCertificate

Extended Key Usages

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

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9eCertificate

Extended Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

b1:65:4b:1a:41:44:9a:88:3b:74:69:ca:2d:ac:3f:16:38:65:ff:6c:80:ec:cb:25:27:f6:cc:02:58:b1:b9:6aSigner

7f:b6:19:11:3c:b0:29:1f:55:ca:20:2b:a0:fb:b8:e7:39:7a:5f:baSigner

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 10.4MB

UPX1 Size: 9.3MB - Virtual size: 9.3MB

.rsrc Size: 84KB - Virtual size: 88KB

Headers

File Characteristics

Sections

.code Size: 197KB - Virtual size: 197KB

.text Size: 595KB - Virtual size: 594KB

.rdata Size: 114KB - Virtual size: 113KB

.data Size: 18.2MB - Virtual size: 18.7MB

.rsrc Size: 83KB - Virtual size: 82KB

.modplug Size: - Virtual size: 20KB

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

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

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

b1:65:4b:1a:41:44:9a:88:3b:74:69:ca:2d:ac:3f:16:38:65:ff:6c:80:ec:cb:25:27:f6:cc:02:58:b1:b9:6a
Signer

7f:b6:19:11:3c:b0:29:1f:55:ca:20:2b:a0:fb:b8:e7:39:7a:5f:ba
Signer

UPX0
Size: - Virtual size: 10.4MB

UPX1
Size: 9.3MB - Virtual size: 9.3MB

.rsrc
Size: 84KB - Virtual size: 88KB

.code
Size: 197KB - Virtual size: 197KB

.text
Size: 595KB - Virtual size: 594KB

.rdata
Size: 114KB - Virtual size: 113KB

.data
Size: 18.2MB - Virtual size: 18.7MB

.rsrc
Size: 83KB - Virtual size: 82KB

.modplug
Size: - Virtual size: 20KB