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Dropper.exe

Malicious Library Admin Tool (Sysinternals etc ...) UPX MZP Format PE File OS Processor Check PE32
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6403_us Sept. 23, 2023, 9:29 a.m. Sept. 23, 2023, 9:38 a.m.
Size 3.2MB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 a5bad49c2447d6c4b7367803a505cb39
SHA256 5c367629a9266ec8cda00ad82e648d862a2b83e579d401ee1fa6a156b6119ec1
CRC32 1D0953FA
ssdeep 49152:KN0t+V1XMFH+qJtMgASCOUBBuAZHbMYastTXintSiA98PQMD/:KNfXWHEXeAaYasRQgi3j
Yara
  • Malicious_Library_Zero - Malicious_Library
  • Admin_Tool_IN_Zero - Admin Tool Sysinternals
  • UPX_Zero - UPX packed file
  • PE_Header_Zero - PE File Signature
  • IsPE32 - (no description)
  • mzp_file_format - MZP(Delphi) file format
  • OS_Processor_Check_Zero - OS Processor Check

Name Response Post-Analysis Lookup
i.ibb.co
A 172.96.160.210
A 172.96.160.222
A 104.194.8.120
A 104.194.8.143
172.96.160.222
IP Address Status Action
104.194.8.120 Active Moloch
104.194.8.143 Active Moloch
164.124.101.2 Active Moloch

Suricata Alerts

Flow SID Signature Category
TCP 104.194.8.143:443 -> 192.168.56.103:49163 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 104.194.8.120:443 -> 192.168.56.103:49166 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49165 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49172 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49190 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49173 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49178 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49195 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 104.194.8.120:443 -> 192.168.56.103:49185 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 104.194.8.120:443 -> 192.168.56.103:49181 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49200 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49187 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49184 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49207 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49188 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49191 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 104.194.8.120:443 -> 192.168.56.103:49197 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49167 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49176 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49198 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49203 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 104.194.8.120:443 -> 192.168.56.103:49199 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 104.194.8.120:443 -> 192.168.56.103:49177 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49174 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49175 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49206 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49180 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49183 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49182 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49186 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49189 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 104.194.8.120:443 -> 192.168.56.103:49193 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49192 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49208 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49201 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49202 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49204 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49205 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49162 -> 104.194.8.143:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49168 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49170 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49171 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 104.194.8.120:443 -> 192.168.56.103:49179 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic
TCP 192.168.56.103:49194 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 192.168.56.103:49196 -> 104.194.8.120:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined
TCP 104.194.8.120:443 -> 192.168.56.103:49209 2029340 ET INFO TLS Handshake Failure Potentially Bad Traffic

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

GetComputerNameW

 computer_name: TEST22-PC
1 1 0

GetComputerNameW

 computer_name: TEST22-PC
1 1 0
section .itext
section .didata
resource name UNICODEDATA
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 1960
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x008d0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
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