1f81a3ee8a502c43860358bada55fd14

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General

Target

1f81a3ee8a502c43860358bada55fd14
Size

382KB
MD5

1f81a3ee8a502c43860358bada55fd14
SHA1

99b5af0558522e92dc185d4efe16a0cb86060c2b
SHA256

6cb4b8367cecb483df260fd06d6829c37536c7337092821a0b3bbfb714cf257a
SHA512

44ccda31347e496071787ffc01099a0644fce00ceaa28142e1ea0bf37a3813b1a346bd0866ed2b64b29cd2c3b2bfc2e986876ca4604d51dd4542080087eca3f1
SSDEEP

6144:5fxjxvjpe238JMJRMVkvkcyc65DECBe2UQB343iTYOGQKnO+xHgAibOs:5fnbsJiRQf9VnBe2U8ISUZQB+xHfibX

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

1f81a3ee8a502c43860358bada55fd14
.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

02:01
Certificate

Issuer

OU=Starfield Class 2 Certification Authority,O=Starfield Technologies\, Inc.,C=US

Not Before

16-11-2006 01:15

Not After

16-11-2026 01:15

Subject

SERIALNUMBER=10688435,CN=Starfield Secure Certification Authority,OU=http://certificates.starfieldtech.com/repository,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

4b:20:1c:e7:eb:92:04
Certificate

Issuer

SERIALNUMBER=10688435,CN=Starfield Secure Certification Authority,OU=http://certificates.starfieldtech.com/repository,O=Starfield Technologies\, Inc.,L=Scottsdale,ST=Arizona,C=US

Not Before

17-04-2012 22:18

Not After

17-04-2013 19:03

Subject

CN=BR SOFTWARE LLC,O=BR SOFTWARE LLC,L=Lewes,ST=DE,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

ed:69:ff:c9:11:8b:09:ba:3d:06:13:46:df:7c:47:e3:4e:e4:f7:45
Signer

Actual PE Digest

ed:69:ff:c9:11:8b:09:ba:3d:06:13:46:df:7c:47:e3:4e:e4:f7:45

Digest Algorithm

sha1

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 652KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 354KB - Virtual size: 356KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 21KB - Virtual size: 24KB

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_32BIT_MACHINE

Sections

.text
Size: 684KB - Virtual size: 680KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 156KB - Virtual size: 153KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 124KB - Virtual size: 122KB

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

02:01Certificate

Key Usages

4b:20:1c:e7:eb:92:04Certificate

Extended Key Usages

Key Usages

ed:69:ff:c9:11:8b:09:ba:3d:06:13:46:df:7c:47:e3:4e:e4:f7:45Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 652KB

UPX1 Size: 354KB - Virtual size: 356KB

.rsrc Size: 21KB - Virtual size: 24KB

Headers

File Characteristics

Sections

.text Size: 684KB - Virtual size: 680KB

.rdata Size: 156KB - Virtual size: 153KB

.data Size: 16KB - Virtual size: 30KB

.rsrc Size: 124KB - Virtual size: 122KB

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

02:01
Certificate

4b:20:1c:e7:eb:92:04
Certificate

ed:69:ff:c9:11:8b:09:ba:3d:06:13:46:df:7c:47:e3:4e:e4:f7:45
Signer

UPX0
Size: - Virtual size: 652KB

UPX1
Size: 354KB - Virtual size: 356KB

.rsrc
Size: 21KB - Virtual size: 24KB

.text
Size: 684KB - Virtual size: 680KB

.rdata
Size: 156KB - Virtual size: 153KB

.data
Size: 16KB - Virtual size: 30KB

.rsrc
Size: 124KB - Virtual size: 122KB