MALICIOUS — 03bb84718e2dc0efdf00916966a37799fb03d3d07755417bd40b485d2c6e777f

MALICIOUS — 03bb84718e2dc0efdf00916966a37799fb03d3d07755417bd40b485d2c6e777f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Salgorea family. 4 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 03bb84718e2dc0efdf00916966a37799fb03d3d07755417bd40b485d2c6e777f
• SHA-1: cb45f5e385430da78d8333db4e6b3cab0894acb8
• MD5: 33decfa967cdccfa3fc007b2a0546c7a
• imphash: 95122753ea27818b35f9b51859e4c692
• ssdeep: 49152:OFUcx88PWPOpX0SFM/EGIO90/5g6XsSzKg7QR4gbh4xUmR81unyGc:O+K88uPCHhSw5g2Ox+O4xLLnyGc
• TLSH: T1305A23D59A28870DD2F6C59028161ABFC402E5D6D77C488E924FF01E73EB967783109B
• Submitted as: 03bb84718e2dc0efdf00916966a37799fb03d3d07755417bd40b485d2c6e777f
• File type: pe · Size: 2089472 bytes
• Verdict: malicious (99/100) · Family: Salgorea

Detections (4 of 56 engines)

• ClamAV (daily): Win.Malware.Zusy-9764479-0
• Microsoft Defender: Trojan:Win32/Salgorea!pz
• Emsisoft (Emergency Kit): Trojan.GenericKDZ.110085
• Kaspersky (KVRT): Backdoor.Win32.Salgorea.ie

MITRE ATT&CK

• T1543.003
• T1112

Why this verdict

The malicious score of 99/100 is the fusion of 9 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 Trojan.GenericKDZ.110085 (rule Trojan.GenericKDZ.110085) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Backdoor.Win32.Salgorea.ie (rule Backdoor.Win32.Salgorea.ie) - 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
• 1 behavioral detection(s) across 1 rule(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
• Contacted 10 external host(s) and 6 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)

14847 behavior events · 2 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• 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.
• 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.
• 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.
• 252.0.0.224.in-addr.arpa.
• desktop-hsgcbep
• update.googleapis.com
• self.events.data.microsoft.com
• settings-win.data.microsoft.com
• 251.0.0.224.in-addr.arpa
• 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
• 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
• 1.0.240.10.in-addr.arpa

Dropped files

• C:\Users\analyst\AppData\Local\Temp\F79E.tmp - d252afa59af663ef78218706d5145a4752fa727bd046a1944ff6952fee64606b
• c:\users\analyst\appdata\local\temp\tsk_eda434a5baae416d.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
• 1b7c1ea6c8b7177349064491c972ee8ce8c9bac04736c33b21607f68cf605d3c - 1b7c1ea6c8b7177349064491c972ee8ce8c9bac04736c33b21607f68cf605d3c

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
• http://c.pki.goog/r/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/
• http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
• http://yr.c.lencr.org/

Embedded domains

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

Embedded IP addresses

• 40.84.97.4
• 92.223.78.30
• 20.42.73.26
• 4.207.44.67
• 72.145.35.97
• 52.148.114.188
• 20.52.64.200
• 72.145.35.103
• 72.154.7.97
• 4.150.223.101
• 52.168.112.67
• 52.253.84.76
• 52.110.12.55
• 4.230.171.124
• 20.184.175.17
• 135.233.45.221
• 40.84.85.40

File paths

• d:\a:p

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report