8ffaa39f2f8f2f14be9213e41ca3fa434294643ed0feec681112aa686b4c490aN

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General

Target

8ffaa39f2f8f2f14be9213e41ca3fa434294643ed0feec681112aa686b4c490aN
Size

122KB
MD5

3332d3f621bfed0b16d9731e3512ea60
SHA1

c11c6ee99036d8b772bb7d47e928e4bed7dc5eee
SHA256

8ffaa39f2f8f2f14be9213e41ca3fa434294643ed0feec681112aa686b4c490a
SHA512

9b0f6fb95ac483da112d2fe5529667a41e6803d925b3aea6a463ed723afb70d6ef64410de120bb3d8d27bc653a84bcfe75293a45be5ce762baef2e18c7d27636
SSDEEP

3072:+ZlPAjnTIwhGAbu6F+r241QmIhPllqZgeqdr:2qTIwQExFsGm0vx

Score

5^/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

8ffaa39f2f8f2f14be9213e41ca3fa434294643ed0feec681112aa686b4c490aN
.exe windows:4 windows x86 arch:x86

Code Sign

6f:cf:7e:45:fe:b4:58:2c:e9:34:d5:e0:dd:f3:bf:f0
Certificate

Issuer

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

Not Before

14-10-2012 00:00

Not After

13-11-2013 23:59

Subject

CN=씨큐미디어,OU=IT Team,O=씨큐미디어,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

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

71:56:2f:15:d9:6f:38:3f:82:2b:98:ca:7c:15:c9:52:ce:b8:f5:40
Signer

Actual PE Digest

71:56:2f:15:d9:6f:38:3f:82:2b:98:ca:7c:15:c9:52:ce:b8:f5:40

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: 188KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 90KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 27KB - Virtual size: 28KB

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: 148KB - Virtual size: 144KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 28KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 20KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 60KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

6f:cf:7e:45:fe:b4:58:2c:e9:34:d5:e0:dd:f3:bf:f0Certificate

Extended Key Usages

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

Extended Key Usages

Key Usages

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

Key Usages

71:56:2f:15:d9:6f:38:3f:82:2b:98:ca:7c:15:c9:52:ce:b8:f5:40Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 188KB

UPX1 Size: 90KB - Virtual size: 92KB

.rsrc Size: 27KB - Virtual size: 28KB

Headers

File Characteristics

Sections

.text Size: 148KB - Virtual size: 144KB

.rdata Size: 28KB - Virtual size: 24KB

.data Size: 20KB - Virtual size: 35KB

.rsrc Size: 60KB - Virtual size: 57KB

6f:cf:7e:45:fe:b4:58:2c:e9:34:d5:e0:dd:f3:bf:f0
Certificate

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

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

71:56:2f:15:d9:6f:38:3f:82:2b:98:ca:7c:15:c9:52:ce:b8:f5:40
Signer

UPX0
Size: - Virtual size: 188KB

UPX1
Size: 90KB - Virtual size: 92KB

.rsrc
Size: 27KB - Virtual size: 28KB

.text
Size: 148KB - Virtual size: 144KB

.rdata
Size: 28KB - Virtual size: 24KB

.data
Size: 20KB - Virtual size: 35KB

.rsrc
Size: 60KB - Virtual size: 57KB