CxxG5xT[.]exe | Triage

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General

Target

CxxG5xT.exe
Size

8.2MB
MD5

3e4780b2020437038d5a2b1d1908f374
SHA1

50b145b70fb04530132dee8b0dc0eec980744001
SHA256

1864101f2feb1f1b2f307ef13f0259290dca56bbe6cdb272e4fc4c1458dfa256
SHA512

1437d5ea33cde10142601633d130bc2ab65ef17e84399bcb395a1235bd66c8d6067c715001cbbfb3abf7d3cef0c651dcb6e984f4607b35ecefd2823a8c187502
SSDEEP

196608:7aCjRLbdjxocQCytOc5P8+DebkbKekjgjG3xsgNVS0SCD:7a2RLb5i1CYFeYe43AgjG3xxtSCD

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

CxxG5xT.exe
.exe windows:5 windows x86 arch:x86

Code Sign

0b:a0:04:be:5f:86:56:d6:49:0e:33:31:c3:07:e2:21
Certificate

Issuer

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

Not Before

16/04/2019, 00:00

Not After

05/01/2022, 12:00

Subject

SERIALNUMBER=130111-0006246,CN=Samsung Electronics CO.\, LTD.,O=Samsung Electronics CO.\, LTD.,L=Suwon-si,ST=Gyeonggi-Do,C=KR,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#13085375776f6e2d7369,1.3.6.1.4.1.311.60.2.1.2=#130b4779656f6e6767692d446f,1.3.6.1.4.1.311.60.2.1.3=#13024b52

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

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

31:01:66:7a:1d:c9:84:f7:dd:e5:ad:ee:96:7c:cf:99:c8:b6:b4:08:ea:b3:c1:6e:aa:d0:b1:87:ec:0e:c5:79
Signer

Actual PE Digest

31:01:66:7a:1d:c9:84:f7:dd:e5:ad:ee:96:7c:cf:99:c8:b6:b4:08:ea:b3:c1:6e:aa:d0:b1:87:ec:0e:c5:79

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_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 352KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 185KB - Virtual size: 188KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 55KB - Virtual size: 56KB

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_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 335KB - Virtual size: 334KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 84KB - Virtual size: 83KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

0b:a0:04:be:5f:86:56:d6:49:0e:33:31:c3:07:e2:21Certificate

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

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

31:01:66:7a:1d:c9:84:f7:dd:e5:ad:ee:96:7c:cf:99:c8:b6:b4:08:ea:b3:c1:6e:aa:d0:b1:87:ec:0e:c5:79Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 352KB

UPX1 Size: 185KB - Virtual size: 188KB

.rsrc Size: 55KB - Virtual size: 56KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 335KB - Virtual size: 334KB

.rdata Size: 84KB - Virtual size: 83KB

.data Size: 10KB - Virtual size: 17KB

.rsrc Size: 64KB - Virtual size: 64KB

.reloc Size: 22KB - Virtual size: 21KB

0b:a0:04:be:5f:86:56:d6:49:0e:33:31:c3:07:e2:21
Certificate

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

31:01:66:7a:1d:c9:84:f7:dd:e5:ad:ee:96:7c:cf:99:c8:b6:b4:08:ea:b3:c1:6e:aa:d0:b1:87:ec:0e:c5:79
Signer

UPX0
Size: - Virtual size: 352KB

UPX1
Size: 185KB - Virtual size: 188KB

.rsrc
Size: 55KB - Virtual size: 56KB

.text
Size: 335KB - Virtual size: 334KB

.rdata
Size: 84KB - Virtual size: 83KB

.data
Size: 10KB - Virtual size: 17KB

.rsrc
Size: 64KB - Virtual size: 64KB

.reloc
Size: 22KB - Virtual size: 21KB