MALICIOUS — ef7c613895eb02a96c9995fc2c7f43be7c1ca62d887c2c572be3c89e96b404d1

MALICIOUS — ef7c613895eb02a96c9995fc2c7f43be7c1ca62d887c2c572be3c89e96b404d1 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Zusy family. 4 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: ef7c613895eb02a96c9995fc2c7f43be7c1ca62d887c2c572be3c89e96b404d1
SHA-1: 25abbc7c553d666fe913570b3893ccbcaee32dbd
MD5: 5582547e7014f9559146d52fdef191a7
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:WFUcx88PWPOpX0SFGrYIgyE7yLQjcVgWU/OPtOFg0uyGc:W+K88uPCH0rkTeUoVPIGByGc
TLSH: T1925A23969A199F4CE7F1D5803C19266EC542E4D783B8498E528FF12D33EB47B302129B
Submitted as: ef7c613895eb02a96c9995fc2c7f43be7c1ca62d887c2c572be3c89e96b404d1
File type: pe · Size: 2089472 bytes
Verdict: malicious (100/100) · Family: Zusy

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): HEUR:Backdoor.Win32.Generic

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 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 HEUR:Backdoor.Win32.Generic (rule HEUR:Backdoor.Win32.Generic) - 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 7 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

13677 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\CE5C.tmp - 85ebd532df3f1f5d232208d57f632c670f278f103fbc708ba12b9f363fb8dde9
c:\users\analyst\appdata\local\temp\tsk_3d775e0b0c594952.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
f3dec480520a10076d18a382a7eaa0229f1ca834ce61f026c719e4a843764c18 - f3dec480520a10076d18a382a7eaa0229f1ca834ce61f026c719e4a843764c18

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

k.za
89.pl
schemas.microsoft.com

Embedded IP addresses

40.79.167.10
52.230.59.222
74.178.76.54
48.211.4.16
4.150.223.103
74.178.240.61
172.178.240.161
20.42.179.192
4.207.44.73
72.153.5.61
52.148.114.188
52.110.12.28
52.110.12.11

File paths

W:\en

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report