MALICIOUS — 1643c9e79e2a60299a1cb1f4ff09408b99f188c1cddc1145678d8f7a6c05f1c4
MALICIOUS — 1643c9e79e2a60299a1cb1f4ff09408b99f188c1cddc1145678d8f7a6c05f1c4 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100), attributed to the Gepys family. 5 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
1643c9e79e2a60299a1cb1f4ff09408b99f188c1cddc1145678d8f7a6c05f1c4 - SHA-1:
00a6f5436339be8a2f634785c098624fe25e2ae1 - MD5:
53668196b2358b3d35a891295b655061 - imphash:
5bdfd0094b09f4fab4b3e79b3f74fae2 - ssdeep:
3072:OCo1YJvD58fwTaVkbQMLyzICPhhpLoTOZikgWvOM:OC+czTHUIa7xgWvOM - TLSH:
T1753FDFEE4F3B1005E6F4DE224C491E6EE2F25C1A143CA859E693643E66F3037422563B - Submitted as: 1643c9e79e2a60299a1cb1f4ff09408b99f188c1cddc1145678d8f7a6c05f1c4
- File type: pe · Size: 150768 bytes
- Verdict: malicious (93/100) · Family: Gepys
Detections (5 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.reloc2
- ClamAV (daily): Win.Packed.Gepys-6840608-0
- Microsoft Defender: VirTool:Win32/CeeInject.AOU!bit
- Emsisoft (Emergency Kit): Gen:Variant.Zbot.106
- Kaspersky (KVRT): HEUR:Trojan.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 93/100 is the fusion of 5 weighted signals:
- ClamAV (daily) flagged Win.Packed.Gepys-6840608-0 (rule
Win.Packed.Gepys-6840608-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 27 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- Packing/obfuscation: high-entropy-sections:.reloc2 - static signal, weight 0.25, confidence 0.55
- Dropped 2 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)
2588 behavior events · 1 ATT&CK techniques · 6 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:\ProgramData\Mozilla\pzyndfl.dll -
c56d0e9fdb69bafcc71d6a7cd889885b1263f3f4b32dcd497390af5eb7c099e9 - C:\ProgramData\Mozilla\zdfpcha.exe -
1fe50b788c3eccb3a6ef9c5dd88553696f71a8811467dc11d5389d9b1db11220 - 1840583fa736041bf54373e47f29b94861eb7877413aac7fb3c06f132e5570e3 -
1840583fa736041bf54373e47f29b94861eb7877413aac7fb3c06f132e5570e3 - ffa05771071571c6d14b22875849b0b210d335be6e436db4c83e4dd7983bb09a -
ffa05771071571c6d14b22875849b0b210d335be6e436db4c83e4dd7983bb09a - 0cd7e82da35301eb34d582994b44026060ac8039200e846acb3ab1030a12224d -
0cd7e82da35301eb34d582994b44026060ac8039200e846acb3ab1030a12224d - 7a291b96bc4b7391010e5b8d037da2d3eef2ac5f63e23a4efeb5175a2cad16f4 -
7a291b96bc4b7391010e5b8d037da2d3eef2ac5f63e23a4efeb5175a2cad16f4
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://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787807780&P2=404&P3=2&P4=DNPPdRdN3rS%2fxke7cf7FMi466LmQTYNS0Fzrn1wopapMRMK9QqkxSaAkoiK0kDQChniTTmYiUzIQCpx6E2n8ew%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=1787807880&P2=404&P3=2&P4=HMqJocSIX92L0lJAjYoMFXOfTiyu4t35ZLScV%2faUoe9aJyCXELqoUrx1YAjxNSaFMgvzjEBy7ElYaKI%2foKUi9g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.184.175.14
- 52.123.252.234
- 4.230.171.124
- 20.42.179.192
- 52.230.59.222
- 20.165.94.63
- 74.178.240.51
- 20.76.201.171
- 52.123.129.14
- 52.123.128.14
- 40.99.133.226
- 135.234.160.244
- 52.123.252.240
- 203.26.79.13
- 52.110.12.38
- 52.110.12.25
- 52.148.114.188
- 74.178.76.44
- 125.56.205.25
- 125.56.205.17
- 52.123.252.248
- 20.184.175.23
- 13.89.179.12
- 72.153.5.96
- 135.233.95.80
More Gepys samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report