aa0df37bff0f1fdf44d5ae1f21b35055

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General

Target

aa0df37bff0f1fdf44d5ae1f21b35055
Size

17KB
MD5

aa0df37bff0f1fdf44d5ae1f21b35055
SHA1

7457bc3ec79e12c3f4c50f2a8f3c93b023f65a79
SHA256

bfc845493cecfd67185fd2c69add4c7160070d0fd58c9ea76795462decccb93f
SHA512

79b5b83cec9122d4f03fbdb73fdeea73feadd2e41e15a55a87cda0ee4b5d881d5564d3d04d2c2f72c161bc60c3fa99979d107ea983470cdbe5e85496127cf1b9
SSDEEP

192:8M2D0rCSv21DdwxMtzCRypNgv5hyowJL/c7O8Fv8ou7+wYniOV:8M2AvvaDyxqznTM5hYJLwu81

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

aa0df37bff0f1fdf44d5ae1f21b35055
.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

7e:f6:0f:73:8f:d7:5e:d1:66:33:69:5a:bc:39:4e:46
Certificate

Issuer

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

Not Before

13/12/2011, 00:00

Not After

21/05/2012, 23:59

Subject

CN=UCF,O=UCF,L=Haeundae-gu\ ,ST=Busan,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

b2:5f:3d:d8:5d:d3:83:4b:15:f3:3c:b1:e8:39:1d:98:9a:46:9b:03
Signer

Actual PE Digest

b2:5f:3d:d8:5d:d3:83:4b:15:f3:3c:b1:e8:39:1d:98:9a:46:9b:03

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: 24KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 5KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 6KB - 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: 8KB - Virtual size: 5KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 464B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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

7e:f6:0f:73:8f:d7:5e:d1:66:33:69:5a:bc:39:4e:46Certificate

Extended Key Usages

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

Extended Key Usages

Key Usages

b2:5f:3d:d8:5d:d3:83:4b:15:f3:3c:b1:e8:39:1d:98:9a:46:9b:03Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 24KB

UPX1 Size: 5KB - Virtual size: 8KB

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

Headers

File Characteristics

Sections

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

.rdata Size: 4KB - Virtual size: 3KB

.data Size: 4KB - Virtual size: 464B

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

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

7e:f6:0f:73:8f:d7:5e:d1:66:33:69:5a:bc:39:4e:46
Certificate

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

b2:5f:3d:d8:5d:d3:83:4b:15:f3:3c:b1:e8:39:1d:98:9a:46:9b:03
Signer

UPX0
Size: - Virtual size: 24KB

UPX1
Size: 5KB - Virtual size: 8KB

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

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

.rdata
Size: 4KB - Virtual size: 3KB

.data
Size: 4KB - Virtual size: 464B

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