MALICIOUS — d679f0652ea08ea28323151bd28c4cc1a7b14f641fd2211ab7ea07339518d18c

MALICIOUS — d679f0652ea08ea28323151bd28c4cc1a7b14f641fd2211ab7ea07339518d18c is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Zusy family. 6 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: d679f0652ea08ea28323151bd28c4cc1a7b14f641fd2211ab7ea07339518d18c
SHA-1: 44184ab0244c0d5c8775c6dbec08c54dd81bd200
MD5: 5dce4b41032c39e8cfa9e70119c87546
imphash: c9b6c3da312e87a7377bab0dcbaf2d4a
ssdeep: 24576:SypW9SgLNZaOdcTMuUvxIgCytJcFyxOn5VlujTkxvi52f+DaYybsQ:St9SgLNZa6xIq9xOkjTkc6+GYisQ
TLSH: T1F05433F59C1984CACD62AB4DD67F0A1CA2030EF64A2D7C9F24DBB26085B143399F8457
Submitted as: d679f0652ea08ea28323151bd28c4cc1a7b14f641fd2211ab7ea07339518d18c
File type: pe · Size: 1108132 bytes
Verdict: malicious (100/100) · Family: Zusy

Detections (6 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:
ClamAV (daily): Win.Malware.Zusy-9781883-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Detect It Easy (packer/type): DIE:Microsoft Linker
Microsoft Defender: Trojan:Win32/Salgorea.VRR!MTB
Kaspersky (KVRT): Backdoor.Win32.Salgorea.id

MITRE ATT&CK

T1543.003

Why this verdict

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

ClamAV (daily) flagged Win.Malware.Zusy-9781883-0 (rule Win.Malware.Zusy-9781883-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Salgorea.VRR!MTB (rule Trojan:Win32/Salgorea.VRR!MTB) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Backdoor.Win32.Salgorea.id (rule Backdoor.Win32.Salgorea.id) - engine signal, weight 0.55, confidence 0.85
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
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 1 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections: (rule high-entropy-sections:) - engine signal, weight 0.35, confidence 0.70
Packing/obfuscation: high-entropy-sections:, Microsoft Linker - static signal, weight 0.25, confidence 0.55

Dynamic analysis (windows)

158 behavior events · 1 ATT&CK techniques · 5 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\DAA0.tmp - e9d7b9ce76badc2e13e213c19eef1c7a5492c8c65e2de8548ac9eef698124d42
cdab9660cf25db7302b108a6c280b4af5d8f8d9271b48d554c3e76f34b7a51f2 - cdab9660cf25db7302b108a6c280b4af5d8f8d9271b48d554c3e76f34b7a51f2
27c4676653008cf6b1e330ce489bfd8eab09faa0e0334f8422377227924b763c - 27c4676653008cf6b1e330ce489bfd8eab09faa0e0334f8422377227924b763c
6d5688e8c2bc105ab282adf14dda5805c892867d9424bff40902386d98d8e0e2 - 6d5688e8c2bc105ab282adf14dda5805c892867d9424bff40902386d98d8e0e2
1ab8b5c82fe783237763cc91c90c2c96044f0808c953ce2e8cf51942193c051f - 1ab8b5c82fe783237763cc91c90c2c96044f0808c953ce2e8cf51942193c051f

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

Embedded IP addresses

51.116.246.106
4.230.171.124
57.155.104.224
52.253.84.76
74.178.240.51
4.150.223.104
20.165.94.63
20.89.1.13
104.18.33.89
135.232.92.137
52.110.12.48
52.110.12.14
52.110.12.4

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report