539bdf88e361238054ac2bfadd27f921

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General

Target

539bdf88e361238054ac2bfadd27f921
Size

97KB
MD5

539bdf88e361238054ac2bfadd27f921
SHA1

f8cd7e09896567215405d493616b4002bcd96466
SHA256

25265478a708faedb54e249e722f56da37cec26446e0a21481181f3fc4cc3c54
SHA512

5f8cbe46016b6047d4ec4b1b8ada5aa9b8986d5401fd4ffc70ca943d862a9cffb2e0ace0b35709d7f195a2b291a3538d4af2b508992f91ed00e53572033b36c2
SSDEEP

1536:4b0UmA5J4gs5s2B+KKlfD3Qxuti2lbmPYPFfg9Ydveh4xZGrC2FXz+n/G/sQXME:87m42cZ8UHoYN/dvM4qrC2NyCsQXD

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

539bdf88e361238054ac2bfadd27f921
.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

34:4e:d5:57:20:d5:ed:ec:49:f4:2f:ce:37:db:2b:6d
Certificate

Issuer

CN=thawte Primary Root CA,OU=Certification Services Division+OU=(c) 2006 thawte\, Inc. - For authorized use only,O=thawte\, Inc.,C=US

Not Before

17/11/2006, 00:00

Not After

16/07/2036, 23:59

Subject

CN=thawte Primary Root CA,OU=Certification Services Division+OU=(c) 2006 thawte\, Inc. - For authorized use only,O=thawte\, Inc.,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

68:d3:a7:b1:e9:14:d8:85:50:9c:16:51:fe:20:08:d0
Certificate

Issuer

CN=Thawte Code Signing CA - G2,O=Thawte\, Inc.,C=US

Not Before

04/12/2010, 00:00

Not After

02/02/2012, 23:59

Subject

CN=nbiz Ltd.,OU=Development Department,O=nbiz Ltd.,L=Gangnam-gu,ST=Seoul,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5e
Certificate

Issuer

CN=thawte Primary Root CA,OU=Certification Services Division+OU=(c) 2006 thawte\, Inc. - For authorized use only,O=thawte\, Inc.,C=US

Not Before

08/02/2010, 00:00

Not After

07/02/2020, 23:59

Subject

CN=Thawte Code Signing CA - G2,O=Thawte\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

false

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: 88KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 4KB

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: 20KB - Virtual size: 17KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 236KB - Virtual size: 235KB

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

34:4e:d5:57:20:d5:ed:ec:49:f4:2f:ce:37:db:2b:6dCertificate

Key Usages

68:d3:a7:b1:e9:14:d8:85:50:9c:16:51:fe:20:08:d0Certificate

Extended Key Usages

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5eCertificate

Extended Key Usages

Key Usages

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 188KB

UPX1 Size: 88KB - Virtual size: 92KB

.rsrc Size: 2KB - Virtual size: 4KB

Headers

File Characteristics

Sections

.text Size: 20KB - Virtual size: 17KB

.rdata Size: 8KB - Virtual size: 6KB

.data Size: 4KB - Virtual size: 1KB

.rsrc Size: 236KB - Virtual size: 235KB

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

34:4e:d5:57:20:d5:ed:ec:49:f4:2f:ce:37:db:2b:6d
Certificate

68:d3:a7:b1:e9:14:d8:85:50:9c:16:51:fe:20:08:d0
Certificate

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5e
Certificate

UPX0
Size: - Virtual size: 188KB

UPX1
Size: 88KB - Virtual size: 92KB

.rsrc
Size: 2KB - Virtual size: 4KB

.text
Size: 20KB - Virtual size: 17KB

.rdata
Size: 8KB - Virtual size: 6KB

.data
Size: 4KB - Virtual size: 1KB

.rsrc
Size: 236KB - Virtual size: 235KB