MALICIOUS — d475a764a3e036a46ad0fab1e2b35dfb80eff8083554672ec23c0ef1ea33ab88
MALICIOUS — d475a764a3e036a46ad0fab1e2b35dfb80eff8083554672ec23c0ef1ea33ab88 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Sivis family. 8 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
d475a764a3e036a46ad0fab1e2b35dfb80eff8083554672ec23c0ef1ea33ab88 - SHA-1:
6e624e7a2a07ea30a1cab34ee6222f34f927b8c3 - MD5:
3d7e36098ede579865bee88fae75cd55 - imphash:
38aa7c2ff6ef0e48a9520d6702d08df4 - ssdeep:
768:41uAkERoZtpcVK2Eq3GcOnTziEi1lpuCUtblllU:40nERoZtEEq3GcOviEi1lwlU - TLSH:
T150362CB92320A53FD4D148EB086CED7D84C316E95971809363D4E7B048B8C7BA62F796 - Submitted as: d475a764a3e036a46ad0fab1e2b35dfb80eff8083554672ec23c0ef1ea33ab88
- File type: pe · Size: 64409 bytes
- Verdict: malicious (99/100) · Family: Sivis
Detections (8 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Trojan.Agent-6943819-1
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:UPX
- Microsoft Defender: Virus:Win32/Sivis.A
- Emsisoft (Emergency Kit): Win32.Sivis.A
- Trellix Stinger (McAfee): PolyPatch-UPX
- Kaspersky (KVRT): Virus.Win32.Agent.es
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 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: 3 finding(s), e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory signal, weight 0.55, confidence 0.85 - Contacted 28 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
- 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:UPX (rule
DIE:UPX) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: http://creativecommons.org/publicdomain/zero/1.0/ - static signal, weight 0.35, confidence 0.60
- Packing/obfuscation: UPX - static signal, weight 0.25, confidence 0.55
- 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)
25572 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
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-timezone-l1-1-0.dll -
2c03d3ad3e0bd2fc9d80e177ad272a4c47d2d6cedda0729f21d17b10767a1d90 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-conio-l1-1-0.dll -
25f0086e2b1a60fb3f1b43ce910f2cd0ce1b8254ea397ca4809ae064e9dd3d72 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-synch-l1-2-0.dll -
90c38d6630368c46dcbf80a0c3c22ae8294ad120ad14af8ada407d332881699a - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-console-l1-2-0.dll -
413a0e67acb1f6ab48f35a0b542e576edb0929dbad1ad7114432b7a60eea3981 - C:\$Recycle.Bin\S-1-5-21-976637724-599762485-334819845-1001\desktop.ini -
0479812793362ce881395d85db4a05e8972d86b0d9f2ed44c62030dafa37e9b9 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\j2pkcs11.dll -
ca57562b756bc10ed63028680ffb446de4665bf03631e2dafe7595e92755f825 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\dt_socket.dll -
8e86bc4b7d9f1afcd8e624fb2663a442cec0fee9b2190065ec8cdcb71b0053e9 - C:\$WinREAgent\Backup\ReAgent.xml -
ce3527476ca5d5697d3ef0739e92fca3fa3b8f1b0f23686a7aab24cc40b1ecb6 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-file-l1-2-0.dll -
cbb1eb519e8bb12366c7b3a3a79a611ac580787a9f724226f509c8d90674d3fb - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccesswalker.exe -
ec756700687c59114d3304f80ccfb1eca39b28ef8f26057d3e3e36ce996a78e7 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javajpeg.dll -
b260c067bb829191ca2399f3d80ecdcd125474cf9267a8c71645c3e438c6259d - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-processthreads-l1-1-1.dll -
f228562454d0ae450b001efae82c525d018f8b8dd9559e611e1e32faf2f5260b - C:\$WinREAgent\Backup\location.txt -
17100409280fc2a189722c2724e3ecc73b5a682751d5c35bf5fc21299af86e14 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\j2gss.dll -
40c1f459d1fa89735db48c87b5c75209add5caf075b5725739d51713c62c6aae - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\fontmanager.dll -
4b76a11e55b1ce92fcf59130e4559927eda2dcf4884fff3b0f4ddaa6eb6d1f45
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/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=1787812553&P2=404&P3=2&P4=Uyncg9ujbMR7bMYW9q3noaJeEqN1XNklnwX5IkGDDDv%2bSdEeRCT7tjU4qFWv9MS6W3ZLQzh%2b%2bJVSYDmUmfY9bA%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=1787812599&P2=404&P3=2&P4=Gg42OJFYP7GNuZGeYTCols%2fhjSRUNvBJfyrDmVuaVI7YWp%2fVLxD2nG%2fJA%2bcuWoy6OB4pZTnFXRHMCWW9050BNA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- creativecommons.org
- geocities.com
Embedded IP addresses
- 4.150.223.100
- 52.123.252.248
- 20.247.184.142
- 20.247.184.197
- 4.230.171.124
- 20.42.179.204
- 135.232.92.137
- 52.231.23.200
- 74.179.77.164
- 52.123.252.222
- 92.223.78.30
- 52.123.128.14
- 52.123.129.14
- 20.231.239.246
- 40.99.133.242
- 4.150.223.96
- 203.26.79.13
- 51.105.71.136
- 40.79.141.153
- 135.234.160.246
- 52.123.252.246
- 74.178.76.44
- 52.123.252.197
- 52.148.114.188
- 125.56.205.56
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