NEAS[.]4812f234b536f0edd59a9c8c37272440_JC[.]exe

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General

Target

NEAS.4812f234b536f0edd59a9c8c37272440_JC.exe
Size

57KB
MD5

4812f234b536f0edd59a9c8c37272440
SHA1

2e70570b06cee30f13978c3a3068ca5c69b22fbd
SHA256

758032e832e6d8c59ad0321d67217a88420a93abb6dcc47eb9bb647c5ecc1371
SHA512

114171a7ab91f3852357fb4acc0d055a7e266a8e7bddb096721e25773350eee1e27a63f04633eae4a97ae9410128bfc50e397a948149c5f818ba4d1821340dbe
SSDEEP

1536:Di+ayfoGgT3x9IJ5gn0kxbvj8UtuboAyohmDPKZQf39xC2:O3GgT3XIA0GvgUAoAyohmbzfv

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

NEAS.4812f234b536f0edd59a9c8c37272440_JC.exe
.exe windows:4 windows x86

Code Sign

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

1c:09:db:bc:73:2d:4b:58:f7:a8:8e:ba:cf:32:34:17
Certificate

Issuer

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

Not Before

09/12/2011, 00:00

Not After

06/02/2014, 23:59

Subject

CN=LLC Mail.Ru,O=LLC Mail.Ru,L=Moscow,ST=Moscow,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

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
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 100KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 44KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 9KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows 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
IMAGE_FILE_DEBUG_STRIPPED

Sections

.text
Size: 37KB - Virtual size: 37KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 67KB - Virtual size: 66KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 180B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Code Sign

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

1c:09:db:bc:73:2d:4b:58:f7:a8:8e:ba:cf:32:34:17Certificate

Extended Key Usages

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 100KB

UPX1 Size: 44KB - Virtual size: 48KB

.rsrc Size: 9KB - Virtual size: 12KB

Headers

File Characteristics

Sections

.text Size: 37KB - Virtual size: 37KB

.data Size: 67KB - Virtual size: 66KB

.bss Size: - Virtual size: 180B

.idata Size: 2KB - Virtual size: 1KB

.CRT Size: 512B - Virtual size: 24B

.tls Size: 512B - Virtual size: 32B

.rsrc Size: 9KB - Virtual size: 8KB

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

1c:09:db:bc:73:2d:4b:58:f7:a8:8e:ba:cf:32:34:17
Certificate

UPX0
Size: - Virtual size: 100KB

UPX1
Size: 44KB - Virtual size: 48KB

.rsrc
Size: 9KB - Virtual size: 12KB

.text
Size: 37KB - Virtual size: 37KB

.data
Size: 67KB - Virtual size: 66KB

.bss
Size: - Virtual size: 180B

.idata
Size: 2KB - Virtual size: 1KB

.CRT
Size: 512B - Virtual size: 24B

.tls
Size: 512B - Virtual size: 32B

.rsrc
Size: 9KB - Virtual size: 8KB