3237ff81fe1982520a0bb7675a156a419d3271971a024[.]exe

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General

Target

3237ff81fe1982520a0bb7675a156a419d3271971a024.exe
Size

11.2MB
MD5

f93499ce9eb23c0b97103eee80f0b0fe
SHA1

97aaa325e3b606f786f87ec93e51ee2f6861c001
SHA256

3237ff81fe1982520a0bb7675a156a419d3271971a024ae43b3e5aabaf10f6ef
SHA512

4c63307cabf80070ad6b25262e51770e5a3e5cb25d171c6391fc7f10d03ee4c7e5363fc8d48ded7db06d374d97b8ee48ebf1716f3ec79019f2492dad5fac8398
SSDEEP

196608:GoP6UE87qwv0Mne7D8wDBoJmcBhMAiExrcRsP/3rVmEBFdExO12Ib3:Goz7qwc/P8wDBo8cBSA1R3r0E6O4Ib3

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

3237ff81fe1982520a0bb7675a156a419d3271971a024.exe
.exe windows:5 windows x86 arch:x86

Code Sign

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:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
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

10-12-2013 00:00

Not After

09-12-2023 23:59

Subject

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

60:ed:1a:3f:21:d8:f3:70:00:ef:de:14:81:ed:34:85
Certificate

Issuer

CN=thawte SHA256 Code Signing CA,O=thawte\, Inc.,C=US

Not Before

02-06-2017 00:00

Not After

02-06-2019 23:59

Subject

CN=Ter-Osipov Aleksey Vladimirovich,O=Ter-Osipov Aleksey Vladimirovich,L=Shakhty,ST=Rostovskaya oblast,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

Issuer

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22-10-2014 00:00

Not After

22-10-2024 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10-11-2006 00:00

Not After

10-11-2021 00:00

Subject

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

57:4f:2d:78:57:0f:9e:0c:7d:e7:c8:73:37:1b:21:cc:c0:02:a1:79
Signer

Actual PE Digest

57:4f:2d:78:57:0f:9e:0c:7d:e7:c8:73:37:1b:21:cc:c0:02:a1:79

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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 13.0MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 908KB - Virtual size: 912KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10.3MB - Virtual size: 10.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 2.7MB - Virtual size: 2.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 79KB - Virtual size: 79KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 546KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 158B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 76B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 249KB - Virtual size: 249KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 10.3MB - Virtual size: 10.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

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

Key Usages

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cbCertificate

Extended Key Usages

Key Usages

60:ed:1a:3f:21:d8:f3:70:00:ef:de:14:81:ed:34:85Certificate

Extended Key Usages

Key Usages

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate

Extended Key Usages

Key Usages

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate

Extended Key Usages

Key Usages

57:4f:2d:78:57:0f:9e:0c:7d:e7:c8:73:37:1b:21:cc:c0:02:a1:79Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 13.0MB

UPX1 Size: 908KB - Virtual size: 912KB

.rsrc Size: 10.3MB - Virtual size: 10.3MB

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 2.7MB - Virtual size: 2.7MB

.itext Size: 8KB - Virtual size: 7KB

.data Size: 79KB - Virtual size: 79KB

.bss Size: - Virtual size: 546KB

.idata Size: 14KB - Virtual size: 13KB

.didata Size: 3KB - Virtual size: 3KB

.edata Size: 512B - Virtual size: 158B

.tls Size: - Virtual size: 76B

.rdata Size: 512B - Virtual size: 93B

.reloc Size: 249KB - Virtual size: 249KB

.rsrc Size: 10.3MB - Virtual size: 10.3MB

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

71:a0:b7:36:95:dd:b1:af:c2:3b:2b:9a:18:ee:54:cb
Certificate

60:ed:1a:3f:21:d8:f3:70:00:ef:de:14:81:ed:34:85
Certificate

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

57:4f:2d:78:57:0f:9e:0c:7d:e7:c8:73:37:1b:21:cc:c0:02:a1:79
Signer

UPX0
Size: - Virtual size: 13.0MB

UPX1
Size: 908KB - Virtual size: 912KB

.rsrc
Size: 10.3MB - Virtual size: 10.3MB

.text
Size: 2.7MB - Virtual size: 2.7MB

.itext
Size: 8KB - Virtual size: 7KB

.data
Size: 79KB - Virtual size: 79KB

.bss
Size: - Virtual size: 546KB

.idata
Size: 14KB - Virtual size: 13KB

.didata
Size: 3KB - Virtual size: 3KB

.edata
Size: 512B - Virtual size: 158B

.tls
Size: - Virtual size: 76B

.rdata
Size: 512B - Virtual size: 93B

.reloc
Size: 249KB - Virtual size: 249KB

.rsrc
Size: 10.3MB - Virtual size: 10.3MB