MALICIOUS — c613b1ff28931020952aed3376a4cd040c42abfd552cfb87d0fba172bbd7e748
MALICIOUS — c613b1ff28931020952aed3376a4cd040c42abfd552cfb87d0fba172bbd7e748 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the Sivis family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
c613b1ff28931020952aed3376a4cd040c42abfd552cfb87d0fba172bbd7e748 - SHA-1:
326264f69578cb532ab57d21f1013f814c99f095 - MD5:
2aba1d018a50d57140a2744edb7af8ba - imphash:
38aa7c2ff6ef0e48a9520d6702d08df4 - ssdeep:
768:+1uAkERoZd51Omiki+ikieiUlpuCUtblllU:+0nERoZdnOmiki+ikieiUlwlU - TLSH:
T1EE35E8B82350667FC9D548BB086CDE3E80D356EA186180E253C4EB705878D37A63F796 - Submitted as: c613b1ff28931020952aed3376a4cd040c42abfd552cfb87d0fba172bbd7e748
- File type: pe · Size: 60503 bytes
- Verdict: malicious (97/100) · Family: Sivis
Detections (4 of 55 engines)
- ClamAV (daily): Win.Trojan.Agent-6943819-1
- Microsoft Defender: Virus:Win32/Sivis.A
- Emsisoft (Emergency Kit): Win32.Sivis.A
- Kaspersky (KVRT): Virus.Win32.Agent.es
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Agent-6943819-1 (rule
Win.Trojan.Agent-6943819-1) - 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 - Contacted 23 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
- Embedded network infrastructure: http://creativecommons.org/publicdomain/zero/1.0/ - static signal, weight 0.35, confidence 0.60
- Dropped 83 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
25563 behavior events · 0 ATT&CK techniques · 97 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
- licensing.mp.microsoft.com
- windows.msn.com
- settings-win.data.microsoft.com
- oneocsp.microsoft.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaaccessbridge.dll -
8ba79b5a4adaeefcb503820a0960b81a63beb92277e5986ac9e4e8a2dcbdb0ac - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-heap-l1-1-0.dll -
2478ab72c87290c6ad245c743308915bf1d51305c1f81280d998cce2bbd062b2 - C:\$WinREAgent\Backup\boot.sdi -
13d6946bce9a22ffe9eed9fd098f9e6e74acc5d869f941a77e3e5b598f1e0acf - C:\804.ini -
51c70bed84acae9efdba3b22b3a75cf5277dbd5d81fb643cb08d5a129064f534 - 7c070dd23a8767e5f91c9df17bd6ab173ec1a0f4f56729f13cc02b4b8cdbf4a1 -
7c070dd23a8767e5f91c9df17bd6ab173ec1a0f4f56729f13cc02b4b8cdbf4a1 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\java.dll -
91cbd39c42e84ff0c6096943782bc2640f0a8b4294725360fd25792f674ca60c - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaas.dll -
86822d37f95c9fea93fcf95e60d8f4ca512bec55995537718a01b7d02e395355 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jabswitch.exe -
06969dea148b49d1f0ab0417f4483242dde35bfa643361c668f761e297abf65c - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-kernel32-legacy-l1-1-1.dll -
fba0c23d9938e2f8191fbcf15f9fc8cf9d55a3da3dcb77c400e5c360345ee4ed - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-libraryloader-l1-1-0.dll -
d6fbf1d140a78baa7d5ef678b92b0994530e38805fd9a401d1886e8fa299ece1 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-heap-l1-1-0.dll -
4efb27ab15b1873a6f9f3bf6f22c9fe4327eb36fb36f6834f39f7ca246eef3c4 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-console-l1-2-0.dll -
c713871279737fe5c392509b9e6099b069d188b19454f4fd35859757bc7ce196 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jli.dll -
43b348f25c76f080424af8ff2eef6f6cd3157b4393a2b4a6b4ebba4e7bfb6a82 - fc3cde6ea40b7c7673238599dfa1cc5a3f85a02af4a2e8b9c5ba179881931085 -
fc3cde6ea40b7c7673238599dfa1cc5a3f85a02af4a2e8b9c5ba179881931085 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\management.dll -
8b4fec856b0861abf7737588825ff852dfd01f8fa16446c486099d3a08001bbc
Embedded URLs
- http://creativecommons.org/publicdomain/zero/1.0/
- 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=1787910976&P2=404&P3=2&P4=ZWTE1Y5lpvCbq%2bpXpEL3t3AydbQRFkyfQxrAXSxDRtqg0r70Rw7qzTE6%2fIspQNDeOH3oUXlGAYnAFQgcw0DtLQ%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=1787911041&P2=404&P3=2&P4=kz2HdUdX5mnQA%2fbsu%2bS%2fs127uTzBmEneEHluevzz4O8ZL8WreN8Bdjvnbk6qlwrgv8MxBkPptG2Xw7S4sEw28Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- creativecommons.org
- geocities.com
Embedded IP addresses
- 51.104.15.253
- 52.253.84.76
- 57.154.63.210
- 4.230.171.124
- 74.178.76.128
- 20.184.175.16
- 74.178.76.54
- 20.236.44.162
- 52.123.128.14
- 52.123.129.14
- 172.66.2.5
- 40.104.4.2
- 51.132.193.105
- 135.234.160.244
- 92.223.78.30
- 203.26.79.13
- 74.178.76.44
- 52.148.114.188
- 135.233.45.222
- 52.110.12.3
- 72.145.35.106
- 52.110.12.14
- 74.178.232.29
File paths
- X:\windows\system32\sysreset.exe
- C:\Windows.old\Windows\containers\serviced\WindowsDefenderApplicationGuard.wim]
- C:\Windows\containers\serviced\WindowsDefenderApplicationGuard.wim]
- C:\Windows.old\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.17134.1120_none_c3e
- C:\Windows.old\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.17134.1_none_eedfed
- X:\SysResetTrace-Tel-Merge.etl,
- C:\$WINDOWS.~BT\Sources\Panther\SysResetTrace-Tel-Merge.etl)
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report