MALICIOUS — 5ed7b3ed96b0460969e74724f4358abcafe066a74d3792d24b44e8ab7f728d08
MALICIOUS — 5ed7b3ed96b0460969e74724f4358abcafe066a74d3792d24b44e8ab7f728d08 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Vtflooder family. 8 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
5ed7b3ed96b0460969e74724f4358abcafe066a74d3792d24b44e8ab7f728d08 - SHA-1:
80bea3fce868a593ff1c220976cb9e43c7c635f1 - MD5:
ea222609ed524791a58e119485e1f7d2 - imphash:
8c9bb9d690553503983713582e1e58f7 - ssdeep:
96:Jvl10GxW2FjJYPmVI+tTpMbCJBnXgFq3cx1U0zqukU:Jvl10GPdYPmVI+tTpXXXcEukU - TLSH:
T1261B3B12EF72445CD9DB055D2A4D83AE96E0883E04604EA02432903B597C63FBFF7108 - Submitted as: 5ed7b3ed96b0460969e74724f4358abcafe066a74d3792d24b44e8ab7f728d08
- File type: pe · Size: 5120 bytes
- Verdict: malicious (98/100) · Family: Vtflooder
Detections (8 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Vtflooder-6722904-1
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:Microsoft Linker
- Microsoft Defender: Trojan:Win32/Vflooder!pz
- Emsisoft (Emergency Kit): Gen:Variant.Razy.482569
- Trellix Stinger (McAfee): Generic-FAVK!EA222609ED52
- Kaspersky (KVRT): Trojan.Win32.Vtflooder.cft
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Win.Malware.Vtflooder-6722904-1 (rule
Win.Malware.Vtflooder-6722904-1) - 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 31 external host(s) at runtime (31 HTTP) - network signal, weight 0.40, confidence 0.80
- 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:Microsoft Linker (rule
DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, Microsoft Linker - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
11330 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
- twitter.com
- www.virustotal.com
- 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
Dropped files
- eb24bc2c4fe497e9e6fb845806c510b085c5da60d30c817f57b8d16e632af31e -
eb24bc2c4fe497e9e6fb845806c510b085c5da60d30c817f57b8d16e632af31e
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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://www.virustotal.com/vtapi/v2/file/scan
- http://twitter.com/pidoras6
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787829650&P2=404&P3=2&P4=EkvdIljS9GgGbfElL%2fqnc2vC5y5ehf8Ri3fa1N28oE5ah8WJRuGzdmiRmBjknYTPOCsRYfoGaztXneizQkmhRA%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=1787829688&P2=404&P3=2&P4=d2Tr%2fiUJxC0Q%2b02Nc4jmGZcsQ46MlHJzQ16bQZj3yLXHke7N2sk1g7SbO0XEiZ9ycbgMTtViCfEnRQAVTAhs0g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787226427&P2=404&P3=2&P4=c%2fbb4qoHEdR%2fqA55QuGayiBPeCBdNBZAcKovOt6UTvLx2yMtvmQEhB6TeAezJLxfQzhSh53GmehqJZ2HbY5OgQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787225986&P2=404&P3=2&P4=VpZCew%2fY42ULP30%2bN1XOzMVlb%2bh1vra4UAITHd5thWcw4VhpdLwmYerwyrZxFwI3HzNTaEXJbCPjO5LJNBC38Q%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- er.co
- www.virustotal.com
Embedded IP addresses
- 52.110.12.45
- 4.150.223.98
- 20.42.179.204
- 52.230.59.222
- 4.230.171.124
- 74.179.77.204
- 135.233.95.135
- 4.207.44.68
- 74.178.240.61
- 20.76.201.171
- 52.123.128.14
- 52.123.129.14
- 40.99.133.242
- 34.54.88.138
- 203.26.79.13
- 135.233.45.222
- 135.232.92.34
- 92.223.78.30
- 52.110.12.5
- 52.110.12.3
- 52.148.114.188
- 72.153.5.97
- 172.170.180.133
- 20.42.65.84
- 20.184.175.9
More Vtflooder samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report