Agent[.]exe | Triage

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General

Target

Agent.exe
Size

15.1MB
MD5

9de172eac24fe6112da5f45bf049b114
SHA1

f549aa49c96bbe41ad4267c4cde86f2d43702740
SHA256

53da1a16c1cd90fa7dd43e4e6d4bfb8b36ce8eb1d8918dda7aef01e9befbd1ff
SHA512

efed137ce92b7907f8a25c7dc8318ed1f263ded742d4fa02e4337d6e7eea11657c5bb7e6f70bd68226a17aaf2e2e510b05ff3252f26523646f171ecba0042050
SSDEEP

196608:7f4hc49Ozbknpp8AQVNfwJiO9WPwK7iYBRLneoqdUFwZFSesPnAfVIIaZMps4pql:j42y6rAICiz7h7zzwZwAfSypDo6lCg3a

Score

8^/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

Files

Agent.exe
.exe windows x86

Code Sign

02:ac:5c:26:6a:0b:40:9b:8f:0b:79:f2:ae:46:25:77
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10-11-2006 00:00

Not After

10-11-2031 00:00

Subject

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01-01-2021 00:00

Not After

06-01-2031 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

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

Not Before

07-01-2016 12:00

Not After

07-01-2031 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

08:30:20:eb:3c:f0:a0:af:7d:bd:41:e2:b2:73:e8:a9
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

24-02-2021 00:00

Not After

28-02-2022 23:59

Subject

SERIALNUMBER=5167746364693,CN=Remote Utilities LLC,O=Remote Utilities LLC,L=Moscow,C=RU,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025255

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18-04-2012 12:00

Not After

18-04-2027 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

65:0b:28:19:ac:9e:83:eb:31:f0:be:29:ba:ed:e7:f0:54:28:c0:1e
Signer

Actual PE Digest

65:0b:28:19:ac:9e:83:eb:31:f0:be:29:ba:ed:e7:f0:54:28:c0:1e

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=5167746364693,CN=Remote Utilities LLC,O=Remote Utilities LLC,L=Moscow,C=RU,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025255

28-02-2021 13:02
Valid: true

Chain 1

SERIALNUMBER=5167746364693,CN=Remote Utilities LLC,O=Remote Utilities LLC,L=Moscow,C=RU,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13025255

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

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: 17.1MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 979KB - Virtual size: 980KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 14.1MB - Virtual size: 14.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 3.0MB - Virtual size: 3.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 80KB - Virtual size: 79KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 549KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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: 88B

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: 274KB - Virtual size: 274KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 14.1MB - Virtual size: 14.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

02:ac:5c:26:6a:0b:40:9b:8f:0b:79:f2:ae:46:25:77Certificate

Key Usages

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

08:30:20:eb:3c:f0:a0:af:7d:bd:41:e2:b2:73:e8:a9Certificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

65:0b:28:19:ac:9e:83:eb:31:f0:be:29:ba:ed:e7:f0:54:28:c0:1eSigner

Signature Validations

Verification

28-02-2021 13:02 Valid: true

Chain 1

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 17.1MB

UPX1 Size: 979KB - Virtual size: 980KB

.rsrc Size: 14.1MB - Virtual size: 14.1MB

Headers

File Characteristics

Exports

Exports

Sections

.text Size: 3.0MB - Virtual size: 3.0MB

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

.data Size: 80KB - Virtual size: 79KB

.bss Size: - Virtual size: 549KB

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

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

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

.tls Size: - Virtual size: 88B

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

.reloc Size: 274KB - Virtual size: 274KB

.rsrc Size: 14.1MB - Virtual size: 14.1MB

02:ac:5c:26:6a:0b:40:9b:8f:0b:79:f2:ae:46:25:77
Certificate

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

08:30:20:eb:3c:f0:a0:af:7d:bd:41:e2:b2:73:e8:a9
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

65:0b:28:19:ac:9e:83:eb:31:f0:be:29:ba:ed:e7:f0:54:28:c0:1e
Signer

28-02-2021 13:02
Valid: true

UPX0
Size: - Virtual size: 17.1MB

UPX1
Size: 979KB - Virtual size: 980KB

.rsrc
Size: 14.1MB - Virtual size: 14.1MB

.text
Size: 3.0MB - Virtual size: 3.0MB

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

.data
Size: 80KB - Virtual size: 79KB

.bss
Size: - Virtual size: 549KB

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

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

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

.tls
Size: - Virtual size: 88B

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

.reloc
Size: 274KB - Virtual size: 274KB

.rsrc
Size: 14.1MB - Virtual size: 14.1MB