MALICIOUS — 25429c8146dd1bf0f808ac3f6816a2f88ccbd95f0907ae952b548e27ed0cc8e4

MALICIOUS — 25429c8146dd1bf0f808ac3f6816a2f88ccbd95f0907ae952b548e27ed0cc8e4 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the HUILoader family. 5 of 56 detection engines flagged it, exhibiting 6 ATT&CK techniques.

Identification

SHA-256: 25429c8146dd1bf0f808ac3f6816a2f88ccbd95f0907ae952b548e27ed0cc8e4
SHA-1: 484bc2a40111f7ca1969c153f50914e3ef037212
MD5: 8d6099989df1ee75614d4e043e6af87d
imphash: 6dccd9b20b404de67f5be3d8e96af9ab
ssdeep: 3072:olOAnDYpzq2mLWQdVTlYqG2DzJVVfLwL:hU8UJ3plnjV4
TLSH: T1743B5BCE42153346EA739A647D940E2FE066E09A90FD390C0E43D02F37A785BDAB155A
Submitted as: 25429c8146dd1bf0f808ac3f6816a2f88ccbd95f0907ae952b548e27ed0cc8e4
File type: pe · Size: 102400 bytes
Verdict: malicious (99/100) · Family: HUILoader

Detections (5 of 56 engines)

YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
Microsoft Defender: Trojan:Win32/Egairtigado!rfn
Emsisoft (Emergency Kit): Gen:Trojan.Heur.RP.guW@be7d@uci

MITRE ATT&CK

YARA

Windows_Injection_Api_Combo

Why this verdict

The malicious score of 99/100 is the fusion of 15 weighted signals:

Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
Microsoft Defender flagged Trojan:Win32/Egairtigado!rfn (rule Trojan:Win32/Egairtigado!rfn) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Trojan.Heur.RP.guW@be7d@uci (rule Gen:Trojan.Heur.RP.guW@be7d@uci) - 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 8 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
YARA: MalwareAnalyser built-in flagged Windows_Injection_Api_Combo (rule Windows_Injection_Api_Combo) - engine signal, weight 0.35, confidence 0.70
persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.30, confidence 0.70
Embedded network infrastructure: http://www.yahoo.co.jp, http://www.heatwavenet.co.jp, http://www.google.co.jp - static signal, weight 0.35, confidence 0.60
communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
inject code into another process (rule inject code into another process) - capa signal, weight 0.12, confidence 0.60

Dynamic analysis (windows)

875 behavior events · 2 ATT&CK techniques · 1 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Microsoft\Windows\INetCache\IE\VB5HMN51\ja-jp[1].htm - 1276c1d7321866c58e4b73b7a88becb23956fea1bea98bf8cf1f2940a5bce3eb

Embedded URLs

http://www.yahoo.co.jp
http://www.heatwavenet.co.jp
http://www.google.co.jp
http://www.microsoft.co.jp
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://www.microsoft.co.jp/

Embedded domains

www.yahoo.co.jp
www.heatwavenet.co.jp
www.google.co.jp
www.microsoft.co.jp

Embedded IP addresses

52.168.117.168
4.230.171.124
85.210.196.11
52.253.84.76
74.178.240.51
74.179.77.204
20.42.65.94
92.223.78.30
104.18.33.89
4.150.223.103
20.76.201.171
52.110.12.53
52.110.12.26

File paths

C:\Users\secujuku\Desktop\2017-FakeVirus4-inject_vs2017\Release\main.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report