rsEngineSvc[.]exe

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General

Target

rsEngineSvc.exe
Size

313KB
MD5

f5928ccb7d35a1a558c9516a8aad7567
SHA1

9f7f86dbe3b7b9611490971fbad98b2618b7bf11
SHA256

900b2d635407dab70c1ad2038a96f502b2a688c555b79098b24f3acacba4ea08
SHA512

08acb91316f5fa3205cf80a2071155cdfbadb882ba19b84a26d4d911913d0ae6acb123f14a607051d2a556e617ddc07ff64b409f4fbbf15d83f495fcd621d498
SSDEEP

6144:kcGSL55ceFqCho57YIJOgOExfyOFXUOGct5V2Ps:GSQnIoRt0gOENyEXUCD0k

Score

1^/10

Malware Config

Signatures

Files

rsEngineSvc.exe
.exe windows:4 windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

54:98:d2:d1:d4:5b:19:95:48:13:79:c8:11:c0:87:99
Certificate

Issuer

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Not Before

16/04/2020, 18:36

Not After

16/04/2045, 18:44

Subject

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:2a:9c:45:16:f0:8f:ef:cc:fa:85:00:00:00:00:2a:9c
Certificate

Issuer

CN=Microsoft ID Verified CS EOC CA 01,O=Microsoft Corporation,C=US

Not Before

20/09/2023, 13:51

Not After

23/09/2023, 13:51

Subject

CN=Reason Cybersecurity Inc.,O=Reason Cybersecurity Inc.,L=New York,ST=New York,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

33:00:00:2a:9c:45:16:f0:8f:ef:cc:fa:85:00:00:00:00:2a:9c
Certificate

Issuer

CN=Microsoft ID Verified CS EOC CA 01,O=Microsoft Corporation,C=US

Not Before

20/09/2023, 13:51

Not After

23/09/2023, 13:51

Subject

CN=Reason Cybersecurity Inc.,O=Reason Cybersecurity Inc.,L=New York,ST=New York,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

33:00:00:00:06:4a:1a:fa:cf:05:61:6a:74:00:00:00:00:00:06
Certificate

Issuer

CN=Microsoft ID Verified Code Signing PCA 2021,O=Microsoft Corporation,C=US

Not Before

13/04/2021, 17:31

Not After

13/04/2026, 17:31

Subject

CN=Microsoft ID Verified CS EOC CA 01,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:07:87:a3:34:a3:7b:a5:8e:1c:00:00:00:00:00:07
Certificate

Issuer

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Not Before

01/04/2021, 20:05

Not After

01/04/2036, 20:15

Subject

CN=Microsoft ID Verified Code Signing PCA 2021,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:05:e5:cf:0f:ff:66:2e:c9:87:00:00:00:00:00:05
Certificate

Issuer

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Not Before

19/11/2020, 20:32

Not After

19/11/2035, 20:42

Subject

CN=Microsoft Public RSA Timestamping CA 2020,O=Microsoft Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:28:f3:0a:03:64:5a:df:01:20:00:00:00:00:00:28
Certificate

Issuer

CN=Microsoft Public RSA Timestamping CA 2020,O=Microsoft Corporation,C=US

Not Before

06/04/2023, 18:44

Not After

04/04/2024, 18:44

Subject

CN=Microsoft Public RSA Time Stamping Authority,OU=Microsoft America Operations+OU=nShield TSS ESN:7A00-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

6e:94:79:f1:45:01:50:c5:b1:6f:84:ca:a9:f9:10:65:d0:2c:df:6f:47:b1:d3:48:60:ea:23:2d:f6:f0:db:73
Signer

Actual PE Digest

6e:94:79:f1:45:01:50:c5:b1:6f:84:ca:a9:f9:10:65:d0:2c:df:6f:47:b1:d3:48:60:ea:23:2d:f6:f0:db:73

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 295KB - Virtual size: 295KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

54:98:d2:d1:d4:5b:19:95:48:13:79:c8:11:c0:87:99Certificate

Key Usages

33:00:00:2a:9c:45:16:f0:8f:ef:cc:fa:85:00:00:00:00:2a:9cCertificate

Extended Key Usages

Key Usages

33:00:00:2a:9c:45:16:f0:8f:ef:cc:fa:85:00:00:00:00:2a:9cCertificate

Extended Key Usages

Key Usages

33:00:00:00:06:4a:1a:fa:cf:05:61:6a:74:00:00:00:00:00:06Certificate

Key Usages

33:00:00:00:07:87:a3:34:a3:7b:a5:8e:1c:00:00:00:00:00:07Certificate

Key Usages

33:00:00:00:05:e5:cf:0f:ff:66:2e:c9:87:00:00:00:00:00:05Certificate

Extended Key Usages

Key Usages

33:00:00:00:28:f3:0a:03:64:5a:df:01:20:00:00:00:00:00:28Certificate

Extended Key Usages

Key Usages

6e:94:79:f1:45:01:50:c5:b1:6f:84:ca:a9:f9:10:65:d0:2c:df:6f:47:b1:d3:48:60:ea:23:2d:f6:f0:db:73Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 295KB - Virtual size: 295KB

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 12B

54:98:d2:d1:d4:5b:19:95:48:13:79:c8:11:c0:87:99
Certificate

33:00:00:2a:9c:45:16:f0:8f:ef:cc:fa:85:00:00:00:00:2a:9c
Certificate

33:00:00:2a:9c:45:16:f0:8f:ef:cc:fa:85:00:00:00:00:2a:9c
Certificate

33:00:00:00:06:4a:1a:fa:cf:05:61:6a:74:00:00:00:00:00:06
Certificate

33:00:00:00:07:87:a3:34:a3:7b:a5:8e:1c:00:00:00:00:00:07
Certificate

33:00:00:00:05:e5:cf:0f:ff:66:2e:c9:87:00:00:00:00:00:05
Certificate

33:00:00:00:28:f3:0a:03:64:5a:df:01:20:00:00:00:00:00:28
Certificate

6e:94:79:f1:45:01:50:c5:b1:6f:84:ca:a9:f9:10:65:d0:2c:df:6f:47:b1:d3:48:60:ea:23:2d:f6:f0:db:73
Signer

.text
Size: 295KB - Virtual size: 295KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 12B