osu rx[.]zip | Triage

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General

Target

osu rx.zip
Size

2.4MB
MD5

f4172546b703e7a045dd37a2661d643e
SHA1

e637381a0c8af9319acb9d85098c58f90b722ac7
SHA256

8f6c9dc3f702b3cc7608c1f28f74f100896de798302615320ab2637893233764
SHA512

e58e12aa4608337110cf5affc0221c5d6871be032805d9200edf556b42fd38e8464290c6d32d8f50931423d7721105979c3f68880a0bbd1a52b3b4026db28236
SSDEEP

49152:ZB1ZtxD3PoAY7gSufjV83nRraiCNja8NBpCf1fwWK:n3txAAY7ghGBraJ88HpC5A

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Abypass.exe
unpack001/abypassUpdater.exe

Files

osu rx.zip
.zip
Abypass.exe
.exe windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

x'v
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 192KB - Virtual size: 192KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Newtonsoft.Json.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

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

07:b0:41:8d:a5:1e:14:8c:33:1b:bc:de:b7:13:83:23
Certificate

Issuer

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

Not Before

27/04/2018, 12:41

Not After

27/04/2028, 12:41

Subject

CN=.NET Foundation Projects Code Signing CA,O=.NET Foundation,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0a:71:a1:b0:c2:96:f5:c7:90:65:47:0a:3c:20:53:7e
Certificate

Issuer

CN=.NET Foundation Projects Code Signing CA,O=.NET Foundation,C=US

Not Before

25/10/2018, 00:00

Not After

29/10/2021, 12:00

Subject

SERIALNUMBER=603 389 068,CN=Json.NET (.NET Foundation),O=Json.NET (.NET Foundation),L=Redmond,ST=wa,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

2e:83:93:14:a9:06:f5:64:04:02:a1:dc:eb:a3:1a:a7:e9:21:c8:88:2c:dd:c2:3c:e4:c0:45:50:4c:ee:75:10
Signer

Actual PE Digest

2e:83:93:14:a9:06:f5:64:04:02:a1:dc:eb:a3:1a:a7:e9:21:c8:88:2c:dd:c2:3c:e4:c0:45:50:4c:ee:75:10

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_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorDllMain

Sections

.text
Size: 675KB - Virtual size: 675KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - 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
abypassUpdater.exe
.exe windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

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_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 657KB - Virtual size: 656KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - 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

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

x'v Size: 1.2MB - Virtual size: 1.2MB

.text Size: 1.2MB - Virtual size: 1.2MB

.rsrc Size: 192KB - Virtual size: 192KB

Size: 512B - Virtual size: 16B

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

dae02f32a21e03ce65412f6e56942daa

Code Sign

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

Key Usages

07:b0:41:8d:a5:1e:14:8c:33:1b:bc:de:b7:13:83:23Certificate

Extended Key Usages

Key Usages

0a:71:a1:b0:c2:96:f5:c7:90:65:47:0a:3c:20:53:7eCertificate

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

2e:83:93:14:a9:06:f5:64:04:02:a1:dc:eb:a3:1a:a7:e9:21:c8:88:2c:dd:c2:3c:e4:c0:45:50:4c:ee:75:10Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 675KB - Virtual size: 675KB

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

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

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 657KB - Virtual size: 656KB

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

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

x'v
Size: 1.2MB - Virtual size: 1.2MB

.text
Size: 1.2MB - Virtual size: 1.2MB

.rsrc
Size: 192KB - Virtual size: 192KB

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

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

07:b0:41:8d:a5:1e:14:8c:33:1b:bc:de:b7:13:83:23
Certificate

0a:71:a1:b0:c2:96:f5:c7:90:65:47:0a:3c:20:53:7e
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

2e:83:93:14:a9:06:f5:64:04:02:a1:dc:eb:a3:1a:a7:e9:21:c8:88:2c:dd:c2:3c:e4:c0:45:50:4c:ee:75:10
Signer

.text
Size: 675KB - Virtual size: 675KB

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

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

.text
Size: 657KB - Virtual size: 656KB

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

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