MALICIOUS — 59c038cd363d37f2f81d4dcb94740679f119049a30316cd9015ec72d3358eaa0
MALICIOUS — 59c038cd363d37f2f81d4dcb94740679f119049a30316cd9015ec72d3358eaa0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the HUILoader family. 8 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
59c038cd363d37f2f81d4dcb94740679f119049a30316cd9015ec72d3358eaa0 - SHA-1:
9a00864030dca105db1f2bdc8e9fe796bbd06932 - MD5:
bff3e8e3921a6dbd11a34a8f6ced13ee - imphash:
38aa7c2ff6ef0e48a9520d6702d08df4 - ssdeep:
1536:40nERoZtEEq3GcO8GZDjkTigdNSbgx9ur4TmAkvThAkZThMTMGwrkeMhI7:NnEOtEEq8ljikMTmAcThAkZThMTMz6+ - TLSH:
T1123A4A1B516ACD1ED3115B373B80D64E2C92F118C2FAD57242CDE66D882983F7BA9062 - Submitted as: 59c038cd363d37f2f81d4dcb94740679f119049a30316cd9015ec72d3358eaa0
- File type: pe · Size: 92851 bytes
- Verdict: malicious (98/100) · Family: HUILoader
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 9 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Agent-6943819-1 (rule
Win.Trojan.Agent-6943819-1) - engine signal, weight 0.90, confidence 0.95 - Contacted 27 external host(s) at runtime (23 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: https://www.gnu.org/software/automake/manual/automake.html, http://fsmsh.com/2753, https://autotools.io/index.html - 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 (3 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
25566 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
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\lcms.dll -
b9cd120f8656e0679426b6a5694989b7179c3ba5baf615f4247c46d15150efb5 - C:\$WinREAgent\Backup\boot.sdi -
cb728af9a550d4a15b3522b82ed882a107d610dc1612dc18668c1ba07b1abc0f - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\msvcp140.dll -
00f903a07f794011c372eb46cd88fb2fe63d2e616e1f9bc6a9cdddc34f85d051 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\instrument.dll -
2c2c3cad373b9c9b082a0b830b0bf51cef90a2e878d582f2fe79bc7a13dbc26e - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-core-rtlsupport-l1-1-0.dll -
235478175d1503500fedeb5caf494769a501cba40041dc99f30301bdbc705003 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\ktab.exe -
a29c065d5cdda0f0a5dcfa54295066309a93e9305b4e70ecf3f3fcf627e9e616 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-math-l1-1-0.dll -
faa8345354f389fc06a9e73a9c01dc98ee65bef5c17c13c80831530fd970096e - C:\$Recycle.Bin\S-1-5-21-976637724-599762485-334819845-1001\desktop.ini -
e9aa1657b5938866623e166048947d31a3a6414f6b336b7420306e1e8d20bbb7 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jsound.dll -
9c814d274b1ad36f225fad48ef0195b35d85284fe9dda2dd8e9d576ddd7fd377 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\management_agent.dll -
5db13d9dc159a1327c6e1017f6b78ae43c3915a5d95bb10ea7bf660bc211ed76 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jsvml.dll -
2b5962a7cb8c8413b1ee6c2e6d9a1538f312aa226a5db1da4fd226f201354be6 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-locale-l1-1-0.dll -
ebb94f5783ada05be323689650cf2522e569373094aa83efbe03c4b133c1a258 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\j2pcsc.dll -
8a45ca535c4397bb9eedd0ee5860c8e812d80fb450707acc83303239c4828614 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-process-l1-1-0.dll -
a36bac36650d00f0e83326e44bffc66d2b9e2e2e86616ecd0de2c40c4f51f249 - C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\api-ms-win-crt-environment-l1-1-0.dll -
ca75f23c6055c5426ad05368ea0987a6b168c2d672f80cc8612e21b074141aac
Embedded URLs
- https://www.gnu.org/software/automake/manual/automake.html
- http://fsmsh.com/2753
- https://autotools.io/index.html
- http://miller.emu.id.au/pmiller/books/rmch/
- 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=1787899589&P2=404&P3=2&P4=ZvXOTe5QF%2fGDIb%2fJRPdBVLF%2bp5iEUi8ofWPJGm3piYzWQgkcN0xFZd6aq2%2bJNgCVppb41JBrWdGCtepYJEDCdQ%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=1787899607&P2=404&P3=2&P4=Ux6jWC3SGgSTpyKI2NstId8Z6ONoXHE5rFZTHOol8%2bpdLKNlGXELz%2fAKlTo%2bh3kR%2bxI2nP012ZB3MXSleH6WjA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- www.gnu.org
- fsmsh.com
- autotools.io
- miller.emu.id.au
Embedded IP addresses
- 4.150.223.100
- 52.123.252.224
- 40.84.85.40
- 4.230.171.124
- 20.247.184.197
- 135.232.92.137
- 135.232.92.97
- 20.42.65.88
- 20.50.201.204
- 20.231.239.246
- 52.123.129.14
- 52.123.128.14
- 40.99.133.226
- 135.234.160.246
- 74.178.76.44
- 203.26.79.13
- 52.148.114.188
- 135.233.45.223
- 57.154.63.210
- 104.46.162.231
- 52.168.117.174
- 20.89.1.13
- 172.170.180.133
- 51.105.71.136
- 72.154.7.109
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report