MALICIOUS — bd00b5b0b4ff9f6fc6c67ecfd19e3be3115cb0e53c8a45956171fcc2f39ebe3c
MALICIOUS — bd00b5b0b4ff9f6fc6c67ecfd19e3be3115cb0e53c8a45956171fcc2f39ebe3c is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Pronny family. 5 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
bd00b5b0b4ff9f6fc6c67ecfd19e3be3115cb0e53c8a45956171fcc2f39ebe3c - SHA-1:
d4d7c365d1b088c15b74bae1a056d46e02c05136 - MD5:
d1c708276b3f398b11acfa7a47b2717f - imphash:
35c5ec744a2efdfe149dd4999353f5f9 - ssdeep:
1536:mShBH+f6cOah4dLBkGulSc16l6u+NMMl/KlYv1T4hThF/NIjnZmQ:LohZlu88FF/CnQQ - TLSH:
T15F3A07C81A6CE4D5D0E89F0B8E996EFCB28EE58BB523287409D55A1F04D60B7507339C - Submitted as: bd00b5b0b4ff9f6fc6c67ecfd19e3be3115cb0e53c8a45956171fcc2f39ebe3c
- File type: pe · Size: 98304 bytes
- Verdict: malicious (99/100) · Family: Pronny
Detections (5 of 55 engines)
- ClamAV (daily): Win.Trojan.VB-1687
- Microsoft Defender: Worm:Win32/Vobfus!pz
- Emsisoft (Emergency Kit): Gen:Variant.Pronny.2
- Trellix Stinger (McAfee): Trojan-FAEI!D1C708276B3F
- Kaspersky (KVRT): Worm.Win32.WBNA.ipa
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Trojan.VB-1687 (rule
Win.Trojan.VB-1687) - engine signal, weight 0.90, confidence 0.95 - 1 behavioral detection(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.60, confidence 0.90 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Observed at runtime: Registry Run Key Persistence (T1547.001) (rule
Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 43 external host(s) at runtime (31 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082, T1622, T1497.001 - dynamic signal, weight 0.40, confidence 0.75
- 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)
55548 behavior events · 3 ATT&CK techniques · 4 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
- ns1.spansearcher.net
- ns1.spinsearcher.org
- ns1.player1352.net
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
Dropped files
- C:\Users\analyst\juaqoi.exe -
e05de1e4fd2e6616eecb0dfcd971cf1524ca73a26d30184d760f1913d75052e0 - e6a9c525c483396cfce3c9f69cf22c36203bf828823c93f52bdac216606eaae4 -
e6a9c525c483396cfce3c9f69cf22c36203bf828823c93f52bdac216606eaae4 - 3f931c4b55b9174f99620260c6a43379bbfb14840c38303d44c1f3dbc76c8d05 -
3f931c4b55b9174f99620260c6a43379bbfb14840c38303d44c1f3dbc76c8d05 - 8436a09a4a15373ae439c5e5faace25b29b950055eb175364d624fa77e520450 -
8436a09a4a15373ae439c5e5faace25b29b950055eb175364d624fa77e520450
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787903467&P2=404&P3=2&P4=HLNcn9UGhhZ9orA5QfRLl7POtSy44drW%2fYOO9ZW2d7nNMr53jxSS%2bPBgss3GnSD0ZFY3dpVb96W41R1p6pTSTA%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=1787903520&P2=404&P3=2&P4=dmbhOuIvH8j1b7W7C6zsJNOpspg7adXEyTQfabMoidL7PdDPeYJy%2bzrgOT2ofwrBsnc61EaXkJyF1e7NyHAIXA%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/afb4c1e7-5ab6-4274-bbe6-fa4639876844/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787300159&P2=404&P3=2&P4=dTkCH4Os5gPHNEjR7p8ZseNqOoXSYTUvf09LDS5rBzE4BAutGRCDn7dKZpNOr4yFA87RKf%2bRBSwq9gFLACiQtQ%3d%3d&cacheHostOrigin=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/afb4c1e7-5ab6-4274-bbe6-fa4639876844?P1=1787301176&P2=404&P3=2&P4=ZxRBzWGXNO3zJsbM8Sn4HCkDKHhwub95%2b8OcCDmRVxWz0RL0gsIDo9Or6NIX57Pl8Niye1RwrtGUwq8B%2barxlw%3d%3d&cacheHostOrigin=tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787299778&P2=404&P3=2&P4=B%2bBHLFNjVyqL8pLbS5NKncMU5icAiqTl77M%2bVYTdmm2zsB7laLVuVrTbEZV0E46ISfoni6LaY4wo0Gl7dWeJvg%3d%3d&cacheHostOrigin=tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787300159&P2=404&P3=2&P4=dTkCH4Os5gPHNEjR7p8ZseNqOoXSYTUvf09LDS5rBzE4BAutGRCDn7dKZpNOr4yFA87RKf%2bRBSwq9gFLACiQtQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787299778&P2=404&P3=2&P4=B%2bBHLFNjVyqL8pLbS5NKncMU5icAiqTl77M%2bVYTdmm2zsB7laLVuVrTbEZV0E46ISfoni6LaY4wo0Gl7dWeJvg%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ns1.spansearcher.net
- ns1.spinsearcher.org
- ns1.player1352.net
- oneclient.sfx.ms
Embedded IP addresses
- 20.184.175.13
- 40.84.85.40
- 4.144.132.114
- 4.230.171.124
- 40.84.97.4
- 74.179.77.204
- 20.184.175.17
- 74.178.76.54
- 20.112.250.133
- 52.123.129.14
- 4.150.223.111
- 57.154.63.210
- 203.26.79.13
- 172.178.240.161
- 52.123.252.236
- 135.233.95.80
- 135.234.160.244
- 52.110.12.22
- 52.110.12.48
- 52.148.114.188
- 20.184.175.19
- 4.209.250.170
- 51.105.71.137
- 162.159.142.9
- 52.123.252.219
File paths
- C:\Program
- C:\Windows\system32;C:\Windows\system;
More Pronny samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report