MALICIOUS — 8be1f1d3f59476f6988d0a84cbf727ea1290dd06dc18e2a0dbae55516766afae
MALICIOUS — 8be1f1d3f59476f6988d0a84cbf727ea1290dd06dc18e2a0dbae55516766afae is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Fileinfector family. 7 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.
Identification
- SHA-256:
8be1f1d3f59476f6988d0a84cbf727ea1290dd06dc18e2a0dbae55516766afae - SHA-1:
ef88c42d083d0b6a39fcc5714200ebacf808e90e - MD5:
3b54a848cb693989dd6d8a0109b5a7f8 - imphash:
895fbb56c02c3d2bca3125cef5da8730 - ssdeep:
6144:t5ZJjHf7sw+GvrsPc5FXCQGOGTywkUb8MyXWMowoqPraQagmrk5ISkwjuO6+JTf:3jHf7v5FX0UUb8MhMNoqPWQagmr6I - TLSH:
T1094B5B8C615EB302D6B0CA745C08CFEC5861B9D060BA6F9C4F83997E10B7463D5663AE - Submitted as: 8be1f1d3f59476f6988d0a84cbf727ea1290dd06dc18e2a0dbae55516766afae
- File type: pe · Size: 475136 bytes
- Verdict: malicious (100/100) · Family: Fileinfector
Detections (7 of 55 engines)
- capa (capabilities): capability:collection/keylog
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Fileinfector-9834127-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:MinGW
- Microsoft Defender: flagged
- Kaspersky (KVRT): Virus.Win32.Lamer.ks
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 12 weighted signals:
- ClamAV (daily) flagged Win.Malware.Fileinfector-9834127-0 (rule
Win.Malware.Fileinfector-9834127-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Terminates Browser, Office or Security Processes [medium] (rule
tl-process-kill) - dynamic signal, weight 0.40, confidence 0.90 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 56 external host(s) at runtime (29 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082, T1622, T1497, T1497.001 - 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 - Detect It Easy (packer/type) flagged DIE:MinGW (rule
DIE:MinGW) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, MinGW - static signal, weight 0.25, confidence 0.55
- Dropped 15 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)
38916 behavior events · 2 ATT&CK techniques · 28 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
- www.freeav.com
- www.avira.com
- script.crazyegg.com
- www.webassetscdn.com
- nexus.ensighten.com
- assets.adobedtm.com
- t.nc0.co
- doh.cq0.co
- s.go-mpulse.net
- widget.trustpilot.com
Dropped files
- C:\Windows\System32\vccorlib140.dll -
ee6723d4276894aac5ce834f5504e7f2cef6772eddcaab8bee22f2dc043000b3 - C:\Windows\setupact.log -
4ea83df0e174ed2bebc578ce02bfd65ceea90126b2bbf8284f27f40ae8f07bcf - C:\Windows\System32\msvcp140.dll -
7e6cb5d6e52d71add6faddf6ec80c275209dc96d7b4977a68edd74e9e0028518 - C:\Windows\system.ini -
6e2a99c6c4ee3479942fb4b2b548160677353f63fa679cf9d6e8a8950867ac5c - C:\Windows\System32\msvcp140_2.dll -
46953f4f20be405237d1b96c3e3ca9479bc8b0c21d6b25dcfb2c321bd9d65940 - C:\Windows\DtcInstall.log -
5c616fce74f9ca2d323ba76ea0fe2de33e862326a85d093c46954d1d8e38b0cf - C:\Windows\lsasetup.log -
fd27a70ca3abe89bdaa9da94e52ac73ffcf094a36332cb64a8a8f06cdf001d74 - C:\Windows\System32\dssec.dat -
29acd65e4fad8b2d0de58a933cd3539f1a08e8a5932ad9a2742efdc83785c376 - C:\Windows\SysmonDrv.sys -
7917a9ddce007e872a8eae27892340a02fd1b643b3249b41f0dca2a8c5bec4a4 - C:\Windows\System32\msvcp140_codecvt_ids.dll -
aa5799110183e2fe2a197e5a9b439f7436658ca66826b551369202212d14b272 - C:\Windows\setuperr.log -
7b668d40cd84c00c5b132e5f2af24699cef2857cbca647604c243128131ddffb - C:\Windows\Professional.xml -
2544357e5962372e6444050312219c9ae59b6b5d2265f815033270e083390914 - C:\Windows\win.ini -
0a77fa1f54d718253a58dcbad293aa0d548293b0d988aa4d17f6e0d105f99d04 - C:\Windows\System32\PrintConfig.dll -
73178c43300aa0a897d46dd19c6a076212145a01cc0ec54a6b1d4d686cd72211 - C:\Windows\System32\opencl.dll -
e6dc9040f534d447b49729404648e49504aae99002a6cd86f73d2919a4ebadeb
Embedded URLs
- http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
- http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
- http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
- 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=1787855494&P2=404&P3=2&P4=bWIMj57TYtLr4eHZ3G%2ft%2f2LNjr%2bNsDiZOyiBX8c0YbNCaTQMNHOseENlYuEdCJ5V3Ti7FPl0pYrF9ecLfhU%2bLw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://www.freeav.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=1787855588&P2=404&P3=2&P4=fPZRt%2fmByYOh8MdHSjJXZpyN8V%2f269cLaz4XK4DuRcJ0o1HOMH1%2f8YraGmVv8bX7yr40sDk5eJqiT0ORfwzk1g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- crl.microsoft.com
- www.microsoft.com
- www.freeav.com
- www.avira.com
- script.crazyegg.com
- nexus.ensighten.com
- www.webassetscdn.com
- assets.adobedtm.com
- t.nc0.co
- doh.cq0.co
- s.go-mpulse.net
- widget.trustpilot.com
- data.privacy.ensighten.com
- dpm.demdex.net
- symantec.demdex.net
- symantec.tt.omtrdc.net
- www.nortonlifelock.com
- rmbyy5ra.avira.com
- mhubc.avira.com
- oms.avira.com
- getrockerbox.com
- www.antispyware.com
- img6.wsimg.com
- img1.wsimg.com
- pagead2.googlesyndication.com
Embedded IP addresses
- 20.42.179.192
- 20.42.73.26
- 52.123.252.213
- 57.155.101.212
- 4.230.171.124
- 52.230.59.222
- 135.233.95.144
- 20.42.73.31
- 74.178.240.51
- 20.112.250.133
- 52.123.129.14
- 40.104.4.2
- 51.105.71.136
- 135.234.160.246
- 135.233.45.221
- 135.233.45.222
- 203.26.79.13
- 52.110.12.48
- 52.148.114.188
- 20.11.121.11
- 13.70.178.62
- 52.123.252.245
- 52.58.28.12
- 74.179.71.159
- 52.123.252.202
File paths
- X:\:`:d:h:l:p:t:x:
- C:\Program
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report