MALICIOUS — 4fcca6b6708481563650ec2fb65238e64e11aeeaa71f590610abe4a2464ac1e0

MALICIOUS — 4fcca6b6708481563650ec2fb65238e64e11aeeaa71f590610abe4a2464ac1e0 is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100), attributed to the Bomb family. 3 of 54 detection engines flagged it.

Identification

• SHA-256: 4fcca6b6708481563650ec2fb65238e64e11aeeaa71f590610abe4a2464ac1e0
• SHA-1: 9e5d708607a569f0bd138140f523c43ff19350ae
• MD5: 7bcc68c6e1c361b63c71b491a14961dd
• ssdeep: 192:fnnnknnknknnknnknnknknknknknknknknknMnknknnknnknnnknknnknknknknA:L
• TLSH: T1984C01D01E8DC871E768E04F0F79DC0E73121582EECEB066FB59F31A124E38624A6660
• Submitted as: 4fcca6b6708481563650ec2fb65238e64e11aeeaa71f590610abe4a2464ac1e0
• File type: script · Size: 539456 bytes
• Verdict: malicious (86/100) · Family: Bomb

Detections (3 of 54 engines)

• Microsoft Defender: Trojan:BAT/Bomb!AMTB
• Emsisoft (Emergency Kit): Gen:Heur.Bat.1
• Kaspersky (KVRT): Trojan.BAT.Bomb.f

Why this verdict

The malicious score of 86/100 is the fusion of 5 weighted signals:

• Microsoft Defender flagged Trojan:BAT/Bomb!AMTB (rule Trojan:BAT/Bomb!AMTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Heur.Bat.1 (rule Gen:Heur.Bat.1) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Trojan.BAT.Bomb.f (rule Trojan.BAT.Bomb.f) - engine signal, weight 0.55, confidence 0.85
• Contacted 10 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• 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)

1145 behavior events · 0 ATT&CK techniques · 0 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• ntp.ubuntu.com
• 250.255.255.239.in-addr.arpa
• desktop-hsgcbep._dosvc._tcp.local
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 23.40.52.209
• 23.11.37.157
• 172.66.2.5 US · San Francisco · AS13335 Cloudflare, Inc.
• 20.190.167.148
• 52.230.59.222 SG · Singapore · AS8075 Microsoft Corporation
• 52.123.252.203 AU · Sydney · AS8075 Microsoft Corporation
• 52.110.12.10 AU · Sydney · AS8075 Microsoft Corporation
• 23.33.238.178
• 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
• 23.33.238.207

Embedded URLs

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

Embedded IP addresses

• 57.155.104.224
• 172.66.2.5
• 52.230.59.222
• 52.123.252.203
• 52.110.12.10
• 4.230.171.124
• 85.210.193.152
• 4.207.44.66
• 57.155.101.212
• 72.154.7.112

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report