MALICIOUS — aa92aadb2a97955a918bdfe78e0170b241a870a945c76dda4c8723f8cf5333be

MALICIOUS — aa92aadb2a97955a918bdfe78e0170b241a870a945c76dda4c8723f8cf5333be 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: aa92aadb2a97955a918bdfe78e0170b241a870a945c76dda4c8723f8cf5333be
SHA-1: 88c7dc797023d0033a2c8d822b3201cc9ae28058
MD5: 3a434c6fd2e011f452d1ef9ed8bdc169
imphash: c9b6c3da312e87a7377bab0dcbaf2d4a
ssdeep: 49152:lrq0R07QQmcVyaFEStFN0yiHxCJtmhRZ/SWk3D:hq0+7Tyvg0y2TZqf3D
TLSH: T19B57338924B6E7D7CB72D7084A8D5EFF2042021BA6391D1510FCB4D714EA8FB691ADC2
Submitted as: aa92aadb2a97955a918bdfe78e0170b241a870a945c76dda4c8723f8cf5333be
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 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
Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in SppExtComObj.E (pid 5884) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

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

Dropped files

C:\Users\analyst\AppData\Local\Temp\DD6.tmp - 064319523cc3c1fc457101bd2ab3a69e592b920c7586ea750e7267ca99a4459e
6ab742a21efbbef096fcd7d81bcc6f8f500c1e3900b2b7d0da0e0979318943d1 - 6ab742a21efbbef096fcd7d81bcc6f8f500c1e3900b2b7d0da0e0979318943d1
8a4017678cfd7c521cadef0abcf73f55935a84cc9a201d1fb383167df4f9b80b - 8a4017678cfd7c521cadef0abcf73f55935a84cc9a201d1fb383167df4f9b80b
cf2d00b69cb1edc3fe20ce22bff0b09aaf25fa35f14c85ccffca11da0cb692a5 - cf2d00b69cb1edc3fe20ce22bff0b09aaf25fa35f14c85ccffca11da0cb692a5
4573ce764a936d5477e5efabaeb3008f0b6e00b0b5f0c5f391235049b2e82c3b - 4573ce764a936d5477e5efabaeb3008f0b6e00b0b5f0c5f391235049b2e82c3b

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

4.150.223.107
4.230.171.124
172.215.188.225
135.232.92.97
20.184.175.9
74.178.76.128
52.253.84.76
20.42.179.192
52.110.12.3
52.110.12.24

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report