MALICIOUS — 88a851deb44418e1f81bff11025f60fccb430316ecf1df46422821f5bee353cd

MALICIOUS — 88a851deb44418e1f81bff11025f60fccb430316ecf1df46422821f5bee353cd is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the C83B492E family. 4 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 88a851deb44418e1f81bff11025f60fccb430316ecf1df46422821f5bee353cd
• SHA-1: 470e56da336f778f6ea61b6e2814494a4b62d269
• MD5: 86f1c3e5d2df515b751568574a325535
• imphash: 95122753ea27818b35f9b51859e4c692
• ssdeep: 49152:Qoa1taC070dhmnwy3eSM//BnEWBMI9I+2K0k/bL:Qoa1taC07wy3etBnEW2I9AKPH
• TLSH: T1475A2342A6196B0CE2F7C4542C69166DC442E4DB973C2A8B42CFF15EB3CB95B38211DB
• Submitted as: 88a851deb44418e1f81bff11025f60fccb430316ecf1df46422821f5bee353cd
• File type: pe · Size: 1958400 bytes
• Verdict: malicious (99/100) · Family: C83B492E

Detections (4 of 56 engines)

• ClamAV (daily): Win.Malware.Zusy-9764479-0
• Microsoft Defender: Trojan:Win32/Salgorea!pz
• Emsisoft (Emergency Kit): Dump:Generic.Dacic.17983.C83B492E
• Kaspersky (KVRT): Trojan.Win32.Bingoml.ckfs

MITRE ATT&CK

• T1543.003
• T1112

Why this verdict

The malicious score of 99/100 is the fusion of 8 weighted signals:

• ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged Trojan:Win32/Salgorea!pz (rule Trojan:Win32/Salgorea!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Dump:Generic.Dacic.17983.C83B492E (rule Dump:Generic.Dacic.17983.C83B492E) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Trojan.Win32.Bingoml.ckfs (rule Trojan.Win32.Bingoml.ckfs) - engine signal, weight 0.55, confidence 0.85
• Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
• Contacted 26 external host(s) and 15 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

21312 behavior events · 2 ATT&CK techniques · 2 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• 76.0.240.10.in-addr.arpa.
• 172.138.232.199.in-addr.arpa.
• 209.52.40.23.in-addr.arpa.
• 251.0.0.224.in-addr.arpa.
• d.1.d.1.c.4.2.1.4.9.5.2.6.e.8.b.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa.
• v10.events.data.microsoft.com
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 7.175.184.20.in-addr.arpa.
• 252.0.0.224.in-addr.arpa.
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• nexusrules.officeapps.live.com
• 193.110.171.150.in-addr.arpa.
• wpad
• c.pki.goog
• x1.c.lencr.org

Dropped files

• C:\Users\analyst\AppData\Local\Temp\47F.tmp - 049b3f85e033db68b7346e0155e9b03a0eb9829c7df901965e27f3ba5de52016
• d88a9a6a6a4068db5cb87164be2b359fbd96cb96719eaddcb544c0c8480ca6ff - d88a9a6a6a4068db5cb87164be2b359fbd96cb96719eaddcb544c0c8480ca6ff

Embedded URLs

• http://schemas.microsoft.com/SMI/2005/WindowsSettings
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• schemas.microsoft.com
• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• ..localmachine

Embedded IP addresses

• 52.168.117.170
• 20.184.175.7
• 20.42.179.204
• 4.207.44.65
• 52.123.129.14
• 57.155.101.212
• 4.150.223.115
• 4.207.44.69
• 72.153.5.132
• 72.145.35.97
• 52.148.114.188
• 172.172.255.216
• 172.215.188.232
• 20.184.175.19
• 104.208.16.94
• 85.210.193.152
• 203.26.79.13
• 4.150.223.106
• 52.110.12.10
• 20.42.179.192
• 74.178.76.44
• 20.184.175.16
• 162.159.142.9
• 20.42.65.90
• 40.84.97.4

More C83B492E samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report