MALICIOUS — d160f8c19151a0858b57cee7633b03b2cfe1e834293295b016f1137725de33e7

MALICIOUS — d160f8c19151a0858b57cee7633b03b2cfe1e834293295b016f1137725de33e7 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Salgorea family. 6 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: d160f8c19151a0858b57cee7633b03b2cfe1e834293295b016f1137725de33e7
• SHA-1: dfaa146297960c2e78bd4f8fb8bc14e71dbf98db
• MD5: 5832d0d17f0ab9499c0c17dcf4461343
• imphash: c9b6c3da312e87a7377bab0dcbaf2d4a
• ssdeep: 49152:lrq0R07QQmENqTZMOYgHFWL8nY7OrjSkWz2:hq0+7xqTCOYgHUL8nYarjSlC
• TLSH: T19B5733890572F0BBD742BF252A88792D4D4C5DEFBA090545167C336A80670DFAD3ACB2
• Submitted as: d160f8c19151a0858b57cee7633b03b2cfe1e834293295b016f1137725de33e7
• File type: pe · Size: 1604260 bytes
• Verdict: malicious (100/100) · Family: Salgorea

Detections (6 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:
• ClamAV (daily): Win.Packed.Zusy-9645559-0
• 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.ck

MITRE ATT&CK

• T1543.003

Why this verdict

The malicious score of 100/100 is the fusion of 11 weighted signals:

• ClamAV (daily) flagged Win.Packed.Zusy-9645559-0 (rule Win.Packed.Zusy-9645559-0) - 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.ck (rule Backdoor.Win32.Salgorea.ck) - 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 3 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
• Memory forensics: 5 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in SppExtComObj.E (pid 5968) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

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

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• v20.events.data.microsoft.com
• config.edge.skype.com
• licensing.mp.microsoft.com
• windows.msn.com
• www.msn.com
• officeclient.microsoft.com
• odc.officeapps.live.com
• assets.msn.com
• www.bing.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• www.msftconnecttest.com/connecttest.txt

Dropped files

• C:\Users\analyst\AppData\Local\Temp\ECFF.tmp - 0e707cd93fa734313056bc95585952bb040d64b255a9896ac91d85c380d18c4d
• 35bbc123ceaf88eff49e54cfb851cc4d4c72c0b0af4ad2d881b01229edf0e1bb - 35bbc123ceaf88eff49e54cfb851cc4d4c72c0b0af4ad2d881b01229edf0e1bb
• cf2d00b69cb1edc3fe20ce22bff0b09aaf25fa35f14c85ccffca11da0cb692a5 - cf2d00b69cb1edc3fe20ce22bff0b09aaf25fa35f14c85ccffca11da0cb692a5
• 4573ce764a936d5477e5efabaeb3008f0b6e00b0b5f0c5f391235049b2e82c3b - 4573ce764a936d5477e5efabaeb3008f0b6e00b0b5f0c5f391235049b2e82c3b
• 3bb6437a7d0d77c8cf9a7cb35d43bf489160d7705986cbc4b2c5787e5f695889 - 3bb6437a7d0d77c8cf9a7cb35d43bf489160d7705986cbc4b2c5787e5f695889

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

• 20.42.65.85
• 4.144.132.223
• 4.230.171.124
• 52.110.12.40
• 52.110.12.19

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report