MALICIOUS — 9a489f831df3ada24dcc53785d56a956f5c93a7adda0794723a8014dcac113ec
MALICIOUS — 9a489f831df3ada24dcc53785d56a956f5c93a7adda0794723a8014dcac113ec is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Sivis family. 8 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
9a489f831df3ada24dcc53785d56a956f5c93a7adda0794723a8014dcac113ec - SHA-1:
01c41db0a36ce392b32a700956ab908f29966d98 - MD5:
bd6da9461ff80330f0870dbc7be4bf77 - imphash:
38aa7c2ff6ef0e48a9520d6702d08df4 - ssdeep:
768:41uAkERoZtpcVK2Eq3GcOniFhNGpWvizlWhj/U:40nERoZtEEq3GcOiFhNGpWvizlWhj/U - TLSH:
T11F3AD7971430E92FD3A0408F112C7E7E41C99CB35F75568622D4EAE04674827A3ABB6F - Submitted as: 9a489f831df3ada24dcc53785d56a956f5c93a7adda0794723a8014dcac113ec
- File type: pe · Size: 96329 bytes
- Verdict: malicious (98/100) · 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 98/100 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 - YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70 - Contacted 33 external host(s) and 22 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497 - dynamic signal, weight 0.40, confidence 0.75
- 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
- Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
25562 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
- settings-win.data.microsoft.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.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-fibers-l1-1-1.dll -
b85bed8ef306fcf0b3e5f12911edc6159d17a35c522b93f1a0f0c18647e91344 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jawt.dll -
45ca812718f4ebc62b1e17142eb987d82ef23f5e3846f19cf51868902579eeb6 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javajpeg.dll -
af8ffc5e1911d6fc32c181b9243f83cdd1f534acbe5b582790c46a008a63d48f - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\management_agent.dll -
0fd80881f50f8d115037be41e7799eff5408486590317bfc900d1851d79bcc68 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-file-l1-1-0.dll -
40bb25b43c5f11574c48abde7e93476513bb3684cbad04fb128c77ff81c5a34b - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\dt_socket.dll -
365d43183454ee4a6b6274b3b3a7b76f3521500ee148269e2d6d3ad4ce81e5a6 - C:\$WinREAgent\RollbackInfo.ini -
4eef8adb720db2abb07df70844822c36e6b53ad2fbab6b4bf047e061ad53fc5d - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-kernel32-legacy-l1-1-1.dll -
763ff057b5ac8221307e21474d99d856851906360b5fa87d956d509928553a8a - C:\$WinREAgent\Backup\boot.sdi -
a7a12d3d02dfcf96df6e64c71019a696b3fb7c860a3f88b4a8a242845eab6f35 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\msvcp140.dll -
0ce247ee0a495d7d4a803d36a34d7a8efe1f89b54c68e41c20c633f5a99ae539 - 9fb98feb5cb3a9a8092c50395e33e55bc985b653beacab05a46f04612f3b24b2 -
9fb98feb5cb3a9a8092c50395e33e55bc985b653beacab05a46f04612f3b24b2 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\management.dll -
e3ae7fa76a01630dccd48b64d98cb0f914f4b8f7d8f8406e9ca3a9918ec4c06d - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-processthreads-l1-1-0.dll -
6b74a4a05172a6f3510331f4e9f5f29296831b92998a05b2deedec1de2ab49f7 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-heap-l1-1-0.dll -
fde9de562bcd266bf50ff2c98a0151e5e4fc035ae311330e46d85ebfa3e4a359 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-console-l1-2-0.dll -
50e8370ce73d7cc9e445668ad381fcf25b7b7926c96be938cad847dd4db8764e
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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787950269&P2=404&P3=2&P4=JI6Q6tcwg3ZoVIWYgPyiKfXKrLzTZxQ4OZBa4rxZvFi9MXo%2bu8aR9WjFgVOusRDG6OkMa2a7Q6EJgaAl5ZnW9Q%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=1787950289&P2=404&P3=2&P4=Oxpk0zHwMoripsZu%2bDbbUaF9O8bsWXuvaV60fiSXuQwwj%2fo2EwfD09VJouVOCLlCWU7x8duS8immB2BlGkEFRA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- creativecommons.org
- geocities.com
Embedded IP addresses
- 4.150.223.96
- 172.215.188.225
- 52.123.252.224
- 4.230.171.124
- 20.42.179.204
- 4.144.132.114
- 20.165.94.63
- 20.184.175.6
- 74.178.240.51
- 74.178.240.61
- 20.231.239.246
- 40.104.4.2
- 52.123.128.14
- 52.123.129.14
- 40.99.133.242
- 135.234.160.246
- 74.178.232.29
- 203.26.79.13
- 162.159.142.9
- 52.148.114.188
- 52.110.12.16
- 52.110.12.18
- 172.178.240.163
- 52.123.252.222
- 184.84.165.171
File paths
- X:\windows\system32\sysreset.exe
- X:\windows\system32\Dism\SiloedPackageProvider.dll.
- X:\windows\system32\Dism\MetaDeployProvider.dll.
- C:\Windows
- C:\$WINDOWS.~BT\NewOS\Windows
- C:\,
- C:\inetpub
- C:\Windows.old\inetpub,
- C:\SkyDriveTemp
- C:\Windows.old\SkyDriveTemp,
- C:\Recovery
- C:\Windows.old\Recovery,
- C:\Windows.old\Windows\containers\serviced\WindowsDefenderApplicationGuard.wim]
- C:\Windows\containers\serviced\WindowsDefenderApplicationGuard.wim]
- C:\Windows.old\Recovery]
- C:\Recovery\ReAgentOld.xml)
- C:\Windows.old]
- C:\Reset_SafeToDelete_OverwriteSpaceFile_0.tmp]
- C:\Windows\System32\ResetEngine.exe
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report