MALICIOUS — 7f7f06b7f5bf8d59ae8be7ee8560857917d76c5e16ea001786a7a4196ea4c3b0

MALICIOUS — 7f7f06b7f5bf8d59ae8be7ee8560857917d76c5e16ea001786a7a4196ea4c3b0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Infostealer family. 4 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 7f7f06b7f5bf8d59ae8be7ee8560857917d76c5e16ea001786a7a4196ea4c3b0
• SHA-1: fb23662a993950fe65985aef1fd16278282e2250
• MD5: c48dcb0111c9d3c6b8ffa60b58e0c148
• imphash: f34d5f2d4577ed6d9ceec516c1f5a744
• ssdeep: 192:fBksu/EXVwVoTeMZZ3Q93VnjdwCzqf3A3KL:NVwWTeMcFnhwCufyK
• TLSH: T1EC220AEF26284A83DB7ED81B5146C97E7490749E68B3229C12048B33547C433997E7EB
• Submitted as: 7f7f06b7f5bf8d59ae8be7ee8560857917d76c5e16ea001786a7a4196ea4c3b0
• File type: pe · Size: 9728 bytes
• Verdict: malicious (100/100) · Family: Infostealer

Detections (4 of 56 engines)

• ClamAV (daily): Win.Malware.Msilkrypt-9839010-0
• Microsoft Defender: PWS:MSIL/Infostealer.PAC!MTB
• Emsisoft (Emergency Kit): Gen:Trojan.Mardom.PN.17
• Kaspersky (KVRT): HEUR:Trojan.MSIL.Agent.gen

MITRE ATT&CK

• T1543.003
• T1112

Why this verdict

The malicious score of 100/100 is the fusion of 10 weighted signals:

• ClamAV (daily) flagged Win.Malware.Msilkrypt-9839010-0 (rule Win.Malware.Msilkrypt-9839010-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged PWS:MSIL/Infostealer.PAC!MTB (rule PWS:MSIL/Infostealer.PAC!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Trojan.Mardom.PN.17 (rule Gen:Trojan.Mardom.PN.17) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.MSIL.Agent.gen (rule HEUR:Trojan.MSIL.Agent.gen) - 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 14 external host(s) and 9 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• Extracted RedLine config (0 C2) - engine signal, weight 0.45, confidence 0.60
• Embedded network infrastructure: http://tempuri.org/IUserService/GetUsersT, http://194.87.145.184:6484/UserService, 194.87.145.184 - static signal, weight 0.35, confidence 0.60
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in SppExtComObj.E (pid 6048) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

11726 behavior events · 2 ATT&CK techniques · 0 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• 1.0.240.10.in-addr.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.
• 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.
• 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.
• 85.52.40.23.in-addr.arpa.
• watson.events.data.microsoft.com
• 161.240.178.172.in-addr.arpa.
• update.googleapis.com
• desktop-hsgcbep
• self.events.data.microsoft.com
• 105.246.116.51.in-addr.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
• 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
• 1.0.240.10.in-addr.arpa

Embedded URLs

• http://tempuri.org/IUserService/GetUsersT
• http://194.87.145.184:6484/UserService
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• schemas.datacontract.org
• tempuri.org
• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 194.87.145.184
• 20.42.73.25
• 135.233.95.80
• 172.178.240.161
• 48.211.4.16
• 20.184.175.7
• 52.182.141.63
• 51.116.246.105
• 52.168.117.170
• 4.207.44.66
• 52.148.114.188
• 172.172.255.217
• 40.84.85.40
• 72.145.35.97
• 72.145.35.103
• 72.154.7.114
• 104.208.16.94
• 52.178.17.3
• 20.184.175.18
• 4.144.132.114
• 52.123.252.235
• 52.110.12.28
• 4.230.171.124

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report