MALICIOUS — 9a06299a0cad9e8cd8e4506d4e1445e107cda81bdf5118213d3c190ce21f9c12
MALICIOUS — 9a06299a0cad9e8cd8e4506d4e1445e107cda81bdf5118213d3c190ce21f9c12 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Upatre family. 5 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
9a06299a0cad9e8cd8e4506d4e1445e107cda81bdf5118213d3c190ce21f9c12 - SHA-1:
f4d2702287ddbc8757cd2b20014fc9a5d6ef174e - MD5:
8198a4de33ec3ee0ddf6c27589233f69 - imphash:
e8a152262666487600bae63a404244a1 - ssdeep:
768:MiPPTYiNCSAetFpamkQzXmRItONlg8PyNUMsFYsktATb6jzUi2PFE:M0FptJiNng8dViN0m/2Pq - TLSH:
T14037CFCD41BC1B6BC33A04E51636E95EA1DBF0E10AED351A095CA03D90C78E3AD52E76 - Submitted as: 9a06299a0cad9e8cd8e4506d4e1445e107cda81bdf5118213d3c190ce21f9c12
- File type: pe · Size: 71034 bytes
- Verdict: malicious (99/100) · Family: Upatre
Detections (5 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Downloader.Upatre-10023862-0
- YARA: Stratosphere IPS: STRATO_Tor_Onion_C2
- Microsoft Defender: TrojanDownloader:Win32/Small.ASM!MTB
- Kaspersky (KVRT): HEUR:Trojan.Win32.Bublik.pef
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Downloader.Upatre-10023862-0 (rule
Win.Downloader.Upatre-10023862-0) - engine signal, weight 0.90, confidence 0.95 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 27 external host(s) at runtime (27 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- YARA: Stratosphere IPS flagged STRATO_Tor_Onion_C2 (rule
STRATO_Tor_Onion_C2) - engine signal, weight 0.35, confidence 0.70 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - Packing/obfuscation: UPX - static signal, weight 0.25, confidence 0.55
- 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)
10900 behavior events · 2 ATT&CK techniques · 1 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
- sellmakers.com
- yr.c.lencr.org
- yr2.c.lencr.org
- freedataverification.com
- yr1.c.lencr.org
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\hromi.exe -
a75a4e54b4a2dac74acb493ec3f9797a71cf141580e35a1dc7dc1b1a75420a95
Embedded URLs
- 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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787943658&P2=404&P3=2&P4=hoCOxPxlD64dJRzBcqtwFLBvwMLscSoYO6vzcIrIiRpAMQOSxsNTMSuVymueUlZ9QMMp%2bf%2fOdAjNLXo6W65VUQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787943687&P2=404&P3=2&P4=aAraBzEwW8PuFuNlTOTx2G7CsOCOIUK%2fHaspTKVrNXpfQGO6Araj8cNBgK230Z5z79uquwCW%2fcP0xNPFd8yrYw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://yr.c.lencr.org/
- http://yr2.c.lencr.org/110.crl
- http://yr1.c.lencr.org/84.crl
Embedded domains
- freedataverification.com
- sellmakers.com
- x1.c.lencr.org
- yr.c.lencr.org
- yr2.c.lencr.org
- yr1.c.lencr.org
Embedded IP addresses
- 40.79.163.155
- 20.247.185.124
- 52.123.252.246
- 57.154.63.210
- 4.230.171.124
- 40.84.97.4
- 74.179.77.204
- 20.42.73.25
- 74.178.76.54
- 20.76.201.171
- 52.123.129.14
- 40.99.133.242
- 52.123.128.14
- 20.42.65.94
- 203.26.79.13
- 52.123.252.215
- 20.165.94.46
- 135.233.45.223
- 172.178.240.163
- 52.148.114.188
- 72.145.35.111
- 92.223.78.30
- 104.18.21.213
- 104.18.20.213
- 2.57.91.91
File paths
- y:\wildlist\131227\33992ee7788627b401f8fdcea2c61a39.exe
- C:\rsdov.exe
- c:\c68eb46a0bd2bf83b1d505cbd8754aec.exe
- C:\ybyngr.exe
- C:\ibsfov.exe
- C:\yxmhitsv.exe
- C:\rwdan.exe
- C:\34k072fY.exe
- C:\xNiU1rFI.exe
- C:\8uZyNj6H.exe
- C:\uvSC7Del.exe
- C:\LlSoZwXN.exe
- C:\d33faHLj.exe
- C:\73mYKaWf.exe
- C:\NGARwule.exe
- C:\twwtb5Yt.exe
- C:\Wi7IDyMT.exe
- C:\PtapgVH7.exe
- C:\UnktcQEM.exe
- C:\a7kfsZAn.exe
- C:\Cs_Jfaeq.exe
- C:\QyYmxwJs.exe
- C:\3ddYvwu6.exe
- C:\0gTR6SqF.exe
- C:\Nd94wSWs.exe
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report