ispring_quizmaker_en_eu_11_1_2_6324439_881522904[.]1682075652[.]exe

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General

Target

ispring_quizmaker_en_eu_11_1_2_6324439_881522904.1682075652.exe
Size

533KB
MD5

d0a98c6baaff6c7d4b47158b6a411682
SHA1

60cc8c04795404dc6f63cf048acfe329c981b9a4
SHA256

b197442cef7f51a905a2e2849a9995474a029e76ab7049d081dd73c017260f15
SHA512

8845d2ee5fefe6497e78d088f7bbd75b23234572b0b90251176f9d46db37f9fd585f2e6c62cce256c83996727db600b86d3c15f7dcec6f6b7185eb64d5f1d99c
SSDEEP

12288:lwjnCuuoDXg2+2RJCPs5NlOLF3OaMbo860DcSnO:lECuuXEJws9OZe96QcSO

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

ispring_quizmaker_en_eu_11_1_2_6324439_881522904.1682075652.exe
.exe windows x86

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,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 Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:4f:57:66:4d:69:47:d2:7e:48:df:1d:f6:cb:4b:a9
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

22/02/2022, 00:00

Not After

09/04/2025, 23:59

Subject

CN=iSpring Solutions\, Inc.,OU=IT,O=iSpring Solutions\, Inc.,L=Alexandria,ST=Virginia,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

12:50:5b:d8:f4:e3:50:13:2a:1c:10:7e:f5:14:5a:37:84:92:2f:2b:94:18:2a:07:0a:f4:95:b9:78:23:d0:60
Signer

Actual PE Digest

12:50:5b:d8:f4:e3:50:13:2a:1c:10:7e:f5:14:5a:37:84:92:2f:2b:94:18:2a:07:0a:f4:95:b9:78:23:d0:60

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=iSpring Solutions\, Inc.,OU=IT,O=iSpring Solutions\, Inc.,L=Alexandria,ST=Virginia,C=US

16/02/2023, 06:37
Valid: true

Chain 1

CN=iSpring Solutions\, Inc.,OU=IT,O=iSpring Solutions\, Inc.,L=Alexandria,ST=Virginia,C=US

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

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

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 1.5MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 516KB - Virtual size: 516KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows 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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 262KB - Virtual size: 261KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 46KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 565KB - Virtual size: 564KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 70KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

05:4f:57:66:4d:69:47:d2:7e:48:df:1d:f6:cb:4b:a9Certificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

12:50:5b:d8:f4:e3:50:13:2a:1c:10:7e:f5:14:5a:37:84:92:2f:2b:94:18:2a:07:0a:f4:95:b9:78:23:d0:60Signer

Signature Validations

Verification

16/02/2023, 06:37 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.5MB

UPX1 Size: 516KB - Virtual size: 516KB

.rsrc Size: 8KB - Virtual size: 12KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 1.0MB - Virtual size: 1.0MB

.rdata Size: 262KB - Virtual size: 261KB

.data Size: 46KB - Virtual size: 57KB

.rsrc Size: 565KB - Virtual size: 564KB

.reloc Size: 70KB - Virtual size: 69KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

05:4f:57:66:4d:69:47:d2:7e:48:df:1d:f6:cb:4b:a9
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

12:50:5b:d8:f4:e3:50:13:2a:1c:10:7e:f5:14:5a:37:84:92:2f:2b:94:18:2a:07:0a:f4:95:b9:78:23:d0:60
Signer

16/02/2023, 06:37
Valid: true

UPX0
Size: - Virtual size: 1.5MB

UPX1
Size: 516KB - Virtual size: 516KB

.rsrc
Size: 8KB - Virtual size: 12KB

.text
Size: 1.0MB - Virtual size: 1.0MB

.rdata
Size: 262KB - Virtual size: 261KB

.data
Size: 46KB - Virtual size: 57KB

.rsrc
Size: 565KB - Virtual size: 564KB

.reloc
Size: 70KB - Virtual size: 69KB