MALICIOUS — 759179d676a3590394b4fd56cccf41c76dfd241bd8506be195a8739fe78026fb
MALICIOUS — 759179d676a3590394b4fd56cccf41c76dfd241bd8506be195a8739fe78026fb is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Prepender family. 7 of 55 detection engines flagged it, exhibiting 6 ATT&CK techniques.
Identification
- SHA-256:
759179d676a3590394b4fd56cccf41c76dfd241bd8506be195a8739fe78026fb - SHA-1:
54f1f03916f85d36a23836573996cce3ccc67475 - MD5:
226023c11549e084eda45ad49a6fbe92 - imphash:
5144a995e58e9a1dec8b8e0e5ed55aec - ssdeep:
12288:5JHEXoAxLr2HG4DyMtHc/D+NLTZOHw5iXVbnwed:5NaoAxLrm6MRcLnI8nJ - TLSH:
T115509EBBDE6C2149D965BB00CE593C2C02C0EA81905A8DC9D7CBD5648C97B3783EE45B - Submitted as: 759179d676a3590394b4fd56cccf41c76dfd241bd8506be195a8739fe78026fb
- File type: pe · Size: 827392 bytes
- Verdict: malicious (100/100) · Family: Prepender
Detections (7 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Trojan.Generic-9907165-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Virus:Win32/Pidgeon.A
- Emsisoft (Emergency Kit): Win32.Prepender.Gen.1
- Trellix Stinger (McAfee): Flyagent.d
- Kaspersky (KVRT): Virus.Win32.Agent.ev
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 12 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Generic-9907165-0 (rule
Win.Trojan.Generic-9907165-0) - 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 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 2 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 23 external host(s) at runtime (20 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001 - 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 - Embedded network infrastructure: http://www.eyuyan.com - static signal, weight 0.35, confidence 0.60
- communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - Dropped 16 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)
69066 behavior events · 2 ATT&CK techniques · 23 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
- wtqq.net
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- settings-win.data.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaw.exe -
98b57bbe249ae70316587a26fdfe9c4845e4d42f38858feaf80fb3e992be9160 - C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.ico -
75649785f983015faf3719cbe3f6ab83672c3e2156374c35366c6144886693cf - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jabswitch.exe -
e3b71787288db7c497173ff1623355770e228eec65787bf6db6a42522a12b476 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe.exe -
2b06d41047f32beda340b7cbd77e797f8e3be813cb3cf921ca9a21681d5a0741 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\java.exe -
45bb17486f630d379488cd3ba6de3ea1b0f65e01cf469249886e9abbccca1fae - 19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b -
19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\javaw.exe.exe -
64ca2f9533a8fd9bb9dfbf7b969e33a674fe1db2f58ff8d439dd21d73ff6c606 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccesswalker.exe -
95c7808ff287e2019709a7fd6ac251c6debeda99918f6d626d77e6f90ab2d92b - C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe.ico -
b2ba915bc685bda81910fe540f5b4ef8510b588111b7ee2c86c019b381bf8994 - 5307fe855d07041d8135cf16f5b51dd0ab81ecb0d7973608d845da802023f34f -
5307fe855d07041d8135cf16f5b51dd0ab81ecb0d7973608d845da802023f34f - C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe.exe -
901332f46950cfac01cdc5f9bfa34a7145ebdc0a8d66efe0087fdfaed9202bc7 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\keytool.exe -
b7cc7a8fdd2817d45862be52e343bfdd3c9828deb771b9569aa9fd5313fe2f52 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jwebserver.exe -
965c03eda7a8d923ad8aaac68205b809b39f034129e4430fe7c4f48f885b4546 - C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.exe -
bc83aea04319449206e6b3ad0d45bcbee8762c29e66e26239b545e35d70afc69 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe.ico -
463b6e99198762de39ea3c9156504527673355f452c17063d0fcc34caa3cfded
Embedded URLs
- http://www.eyuyan.com
- 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=1787936291&P2=404&P3=2&P4=B0eGOuwKPUCP1XFSKQd3dHt4UVuUIKdorJcUM4j8xxiYUe8BRdM0ysT1Id1T%2bdqXQHAoDfHOapvfR1bjW4flVg%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=1787936342&P2=404&P3=2&P4=DlLw%2byYoGEP3xpHJny7kbUL%2fYajX8F2zICYcWbPBHGuc6EDM%2b5Xxr%2fxmPKPcJKd2r1S4qNOpn%2f0c27ZAl3J97w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- www.eyuyan.com
- wtqq.net
Embedded IP addresses
- 52.168.117.175
- 52.123.252.223
- 20.42.179.192
- 4.230.171.124
- 4.144.132.114
- 74.178.76.128
- 74.178.240.51
- 51.11.192.48
- 20.76.201.171
- 52.123.129.14
- 52.123.128.14
- 40.99.133.210
- 172.178.240.162
- 52.123.252.226
- 92.223.78.30
- 203.26.79.13
- 52.123.252.222
- 74.179.71.159
- 52.123.252.197
- 52.148.114.188
- 72.145.35.108
- 52.110.12.24
- 52.110.12.33
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report