MALICIOUS — 3aee4c02c0d3a11f2b3001888b8b17680e06dbe4a6abf665b77b1dc07b6d6793
MALICIOUS — 3aee4c02c0d3a11f2b3001888b8b17680e06dbe4a6abf665b77b1dc07b6d6793 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Urelas family. 7 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
3aee4c02c0d3a11f2b3001888b8b17680e06dbe4a6abf665b77b1dc07b6d6793 - SHA-1:
5d9217e71baaa2d831a43da398ddadc81ba5ff6e - MD5:
d12feeec8360307b48b02804f24324b9 - imphash:
e296f3e0d8a2821d5e0a3719d2e0e79d - ssdeep:
6144:oo3wBi+1Py3V0a2WkRNgi3caOHO5NjEwwiYWB5mV4Pzw9ygibGGMIC:rKf1PyKa2H3hOHOHz9JQ6zBnC - TLSH:
T17C4ACF8D82F96784E7E3C7242E544F0E64F2ACDDE0BE5D440A83D02E27D291BD5D219A - Submitted as: 3aee4c02c0d3a11f2b3001888b8b17680e06dbe4a6abf665b77b1dc07b6d6793
- File type: pe · Size: 453382 bytes
- Verdict: malicious (100/100) · Family: Urelas
Detections (7 of 56 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- ClamAV (daily): Win.Malware.Urelas-9655843-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
- Microsoft Defender: Trojan:Win32/Urelas!pz
- Trellix Stinger (McAfee): Gupboot!D12FEEEC8360
- Kaspersky (KVRT): Rootkit.Win32.Plite.pfl
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 100/100 is the fusion of 17 weighted signals:
- ClamAV (daily) flagged Win.Malware.Urelas-9655843-0 (rule
Win.Malware.Urelas-9655843-0) - engine signal, weight 0.90, confidence 0.95 - Process injection API combination (rule
Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90 - Microsoft Defender flagged Trojan:Win32/Urelas!pz (rule
Trojan:Win32/Urelas!pz) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged Gupboot!D12FEEEC8360 (rule
Gupboot!D12FEEEC8360) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Rootkit.Win32.Plite.pfl (rule
Rootkit.Win32.Plite.pfl) - 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 - Contacted 7 external host(s) and 17 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
- YARA: MalwareAnalyser built-in flagged Windows_Injection_Api_Combo (rule
Windows_Injection_Api_Combo) - engine signal, weight 0.35, confidence 0.70 - 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: 1.234.83.146, 133.242.129.155, 218.54.31.226 - static signal, weight 0.35, confidence 0.60
- Dropped 1 executable file(s) at runtime - dynamic 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 - Extracted generic config (3 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
- Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
13108 behavior events · 2 ATT&CK techniques · 2 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- officeclient.microsoft.com
- www.msn.com
- odc.officeapps.live.com
- assets.msn.com
- www.bing.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\golfinfo.ini -
5cb5ee6ba39faf16f7114a2635039d8c75d0b43aa4d9d258d178435107c55da6 - C:\Users\analyst\AppData\Local\Temp\deido.exe -
46ec65b4a5f483c650ab43f911a4f0cb749c25c1c2baa098566e797056df1d5f
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://c.pki.goog/r/r1.crl
- http://x2.c.lencr.org/
- http://ye.c.lencr.org/
- http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
- http://yr.c.lencr.org/
Embedded domains
- x1.c.lencr.org
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 1.234.83.146
- 133.242.129.155
- 218.54.31.226
- 218.54.31.165
- 20.184.175.13
- 52.230.59.222
- 52.123.252.248
- 4.230.171.124
- 52.168.117.170
- 52.110.12.40
- 52.110.12.37
- 135.234.160.245
- 57.155.101.212
- 172.178.240.163
- 20.209.154.161
- 135.233.45.222
- 72.145.35.100
- 52.148.114.188
- 92.223.78.30
- 52.110.12.53
- 52.110.12.46
File paths
- X:\:`:d:h:l:p:t:x:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report