SUSPICIOUS — dbdd40b100de56510be6965a6856a32ecd408dcaee662950b1e74476082323a9
SUSPICIOUS — dbdd40b100de56510be6965a6856a32ecd408dcaee662950b1e74476082323a9 is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (54/100). 3 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
dbdd40b100de56510be6965a6856a32ecd408dcaee662950b1e74476082323a9 - SHA-1:
99fe1ec12151d5b7f09dc4649111e670e2d04f6d - MD5:
49d9139a5794cdbe6fecf97519ffdd8c - imphash:
d289668dfc2163a8d7ebe8a066b87241 - ssdeep:
98304:JF3mqAuzHxQMcVOYuUnKEBFMvyYAUwC28DinofoaI:xH7S37KE/BUwCBWofoaI - TLSH:
T17C612377C5D1F6ECF572AA10D85E4D4F54B1D4E2527ED18A09B3D2BCAD8300BA8081BA - Submitted as: dbdd40b100de56510be6965a6856a32ecd408dcaee662950b1e74476082323a9
- File type: pe · Size: 3992461 bytes
- Verdict: suspicious (54/100)
Detections (3 of 55 engines)
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Emsisoft (Emergency Kit): Trojan.Agent
- Kaspersky (KVRT): HEUR:Trojan.MSIL.Agent.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 54/100 is the fusion of 7 weighted signals:
- Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 30 external host(s) at runtime (23 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - 1 behavioral detection(s): Discovery: enumerates installed security software [low] (rule
tl-security-software-discovery) - dynamic signal, weight 0.20, confidence 0.90 - 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
Dynamic analysis (windows)
13239 behavior events · 2 ATT&CK techniques · 5 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\Curarization.exe -
804daf3989be6f44e6b7bd827ea34025f20f9ade65feb7a7d393cb8e259ef76c - 913025c9b40f4d995b9ee8725f6380713ba343e587cd719250e0900c5caaffd5 -
913025c9b40f4d995b9ee8725f6380713ba343e587cd719250e0900c5caaffd5 - 6e21d6509da7b19392f96331fcb8299a2200cf9349ddb143616b2889ffc6abca -
6e21d6509da7b19392f96331fcb8299a2200cf9349ddb143616b2889ffc6abca - ae00cae780c9c7b7e250eeb241d3f41909fbbdd90d0bd4553ec7de0a6cc8151a -
ae00cae780c9c7b7e250eeb241d3f41909fbbdd90d0bd4553ec7de0a6cc8151a - eb764a37407804ecfbf052c471ba5800f40f6bb169bb1fb8710a17bb6d38c164 -
eb764a37407804ecfbf052c471ba5800f40f6bb169bb1fb8710a17bb6d38c164
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
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787802706&P2=404&P3=2&P4=B%2fEN5gkAZ9Z1hfIYzBy6kUmEaU9KMfAaY3DBnqPGjVb3sMyetmo4infQa6f6SEDNWQosZHbRczT6DuThmddveA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787802791&P2=404&P3=2&P4=jAT6ELClffVaSxbbTW0yixiDX7ixAUpN88gKkdDB5uRlBlwZ2JGpp4SelXgFNira3mm0iY2Egm1BhSHw4ELxtw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
- 6.ga
- xx.io
Embedded IP addresses
- 52.168.112.67
- 4.230.171.124
- 48.211.4.16
- 20.247.184.197
- 74.178.240.61
- 20.184.175.21
- 135.233.95.135
- 20.112.250.133
- 52.123.128.14
- 52.123.129.14
- 4.150.223.106
- 172.178.240.163
- 172.66.2.5
- 135.233.45.223
- 52.148.114.188
- 203.26.79.13
- 40.84.85.40
- 52.110.12.20
- 52.110.12.32
- 52.123.252.195
- 40.79.163.155
- 52.178.17.235
- 74.179.71.159
- 52.123.252.244
- 20.209.154.161
File paths
- d:\Projects\WinRAR\SFX\build\sfxrar32\Release\sfxrar.pdb
- a:\F,7
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report