rt[.]exe | Triage

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General

Target

rt.exe
Size

22.1MB
MD5

ecdfdb7746686d79565a375ed95dc655
SHA1

a0de5e138facaacc6c90ac846fe3f80cba0d1966
SHA256

3250cede7bfb1e5a35c0f0c4fd2d4f3600d8310890355aef0c21b1e2cb737c46
SHA512

702884ddef33b6fa40ced689f5181eab707e4c6d92f010f099c99f7e55ba8ec873c340ee72de1a34de21ed145f7ae44c79102cfa026ddc87426864d36fb3e4c2
SSDEEP

393216:K4wc1bryIlUDGQlkvbsFslZ2d1I0jXwU0gKuDqiHb2iebPA9IX+fsdlzwLkj:/wyQGmSc1I00buqiHK/PAq+sXAkj

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

rt.exe
.exe windows:5 windows x86 arch:x86

Code Sign

0f:b8:a7:40:b9:15:8d:03:51:43:bc:59:d9:f0:40:29
Certificate

Issuer

CN=DigiCert Global Root G3,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Global G3 Code Signing ECC SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

04:29:48:9d:c6:96:52:3a:c0:7e:70:23:87:ce:35:b6
Certificate

Issuer

CN=DigiCert Global G3 Code Signing ECC SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

31/01/2022, 00:00

Not After

02/03/2023, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

29/03/2022, 00:00

Not After

14/03/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

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

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

98:71:81:da:c1:c5:46:45:f5:0c:fa:69:52:24:5f:67:a4:ff:a8:a5:e5:99:b1:b7:2a:43:15:99:44:43:ae:2d
Signer

Actual PE Digest

98:71:81:da:c1:c5:46:45:f5:0c:fa:69:52:24:5f:67:a4:ff:a8:a5:e5:99:b1:b7:2a:43:15:99:44:43:ae:2d

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 25.4MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 20.4MB - Virtual size: 20.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 windows x86 arch:x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 5.1MB - Virtual size: 5.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 96KB - Virtual size: 96KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 679KB

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: 27KB - Virtual size: 26KB

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: 462KB - Virtual size: 461KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 20.4MB - Virtual size: 20.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

0f:b8:a7:40:b9:15:8d:03:51:43:bc:59:d9:f0:40:29Certificate

Extended Key Usages

Key Usages

04:29:48:9d:c6:96:52:3a:c0:7e:70:23:87:ce:35:b6Certificate

Extended Key Usages

Key Usages

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

98:71:81:da:c1:c5:46:45:f5:0c:fa:69:52:24:5f:67:a4:ff:a8:a5:e5:99:b1:b7:2a:43:15:99:44:43:ae:2dSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 25.4MB

UPX1 Size: 1.7MB - Virtual size: 1.7MB

.rsrc Size: 20.4MB - Virtual size: 20.4MB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 5.1MB - Virtual size: 5.1MB

.itext Size: 12KB - Virtual size: 11KB

.data Size: 96KB - Virtual size: 96KB

.bss Size: - Virtual size: 679KB

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

.didata Size: 27KB - Virtual size: 26KB

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

.tls Size: - Virtual size: 88B

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

.reloc Size: 462KB - Virtual size: 461KB

.rsrc Size: 20.4MB - Virtual size: 20.4MB

0f:b8:a7:40:b9:15:8d:03:51:43:bc:59:d9:f0:40:29
Certificate

04:29:48:9d:c6:96:52:3a:c0:7e:70:23:87:ce:35:b6
Certificate

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

98:71:81:da:c1:c5:46:45:f5:0c:fa:69:52:24:5f:67:a4:ff:a8:a5:e5:99:b1:b7:2a:43:15:99:44:43:ae:2d
Signer

UPX0
Size: - Virtual size: 25.4MB

UPX1
Size: 1.7MB - Virtual size: 1.7MB

.rsrc
Size: 20.4MB - Virtual size: 20.4MB

.text
Size: 5.1MB - Virtual size: 5.1MB

.itext
Size: 12KB - Virtual size: 11KB

.data
Size: 96KB - Virtual size: 96KB

.bss
Size: - Virtual size: 679KB

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

.didata
Size: 27KB - Virtual size: 26KB

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

.tls
Size: - Virtual size: 88B

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

.reloc
Size: 462KB - Virtual size: 461KB

.rsrc
Size: 20.4MB - Virtual size: 20.4MB