73f9b3b9cf158579dd159821b136d76a

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General

Target

73f9b3b9cf158579dd159821b136d76a
Size

73KB
MD5

73f9b3b9cf158579dd159821b136d76a
SHA1

8684b772052c947f4c654c98aa8d5e99671d1fa1
SHA256

be556be83f4f6b49d7e97b898fb310d03be5ee78289bc600e7baf3d57b43c39c
SHA512

35a7548fff1809a01ba5b356adae99ecf218b80bcb36185aa92f40ab70e447710d0726f8f55f358b801ef48224d0e3458777e648c1bc8e6240d5974711533e68
SSDEEP

1536:z1G/lvuWKSrySOu+H5NY2F5xIIKp4ggpdCiAR2BkCIKm0EF3Uu:ocHS+N22FTIIwK/AR2XBm/FT

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

73f9b3b9cf158579dd159821b136d76a
.exe windows:4 windows x86 arch:x86

Code Sign

49:95:68:8f:f6:da:3c:9b:ea:a7:92:bb:26:02:3c:a2
Certificate

Issuer

CN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZA

Not Before

03/03/2010, 00:00

Not After

03/03/2011, 23:59

Subject

CN=Mediaclick,O=Mediaclick,L=Gangnam-gu,ST=Seoul,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

0a
Certificate

Issuer

CN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d

Not Before

06/08/2003, 00:00

Not After

05/08/2013, 23:59

Subject

CN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZA

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

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

83:d4:38:75:6b:3b:ac:36:f0:6b:e3:bb:4c:78:6f:c6:f7:82:46:22
Signer

Actual PE Digest

83:d4:38:75:6b:3b:ac:36:f0:6b:e3:bb:4c:78:6f:c6:f7:82:46:22

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: 152KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 63KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 5KB - Virtual size: 8KB

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: 112KB - Virtual size: 111KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.sxdata
Size: 4KB - Virtual size: 124B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

49:95:68:8f:f6:da:3c:9b:ea:a7:92:bb:26:02:3c:a2Certificate

Extended Key Usages

0aCertificate

Extended Key Usages

Key Usages

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

83:d4:38:75:6b:3b:ac:36:f0:6b:e3:bb:4c:78:6f:c6:f7:82:46:22Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 152KB

UPX1 Size: 63KB - Virtual size: 64KB

.rsrc Size: 5KB - Virtual size: 8KB

Headers

File Characteristics

Sections

.text Size: 112KB - Virtual size: 111KB

.rdata Size: 16KB - Virtual size: 14KB

.data Size: 12KB - Virtual size: 65KB

.sxdata Size: 4KB - Virtual size: 124B

.rsrc Size: 8KB - Virtual size: 4KB

49:95:68:8f:f6:da:3c:9b:ea:a7:92:bb:26:02:3c:a2
Certificate

0a
Certificate

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

83:d4:38:75:6b:3b:ac:36:f0:6b:e3:bb:4c:78:6f:c6:f7:82:46:22
Signer

UPX0
Size: - Virtual size: 152KB

UPX1
Size: 63KB - Virtual size: 64KB

.rsrc
Size: 5KB - Virtual size: 8KB

.text
Size: 112KB - Virtual size: 111KB

.rdata
Size: 16KB - Virtual size: 14KB

.data
Size: 12KB - Virtual size: 65KB

.sxdata
Size: 4KB - Virtual size: 124B

.rsrc
Size: 8KB - Virtual size: 4KB