MALICIOUS — 98a96d832b020ff22986c96156f220fad7fddd825675a31c5f7de961d1a4454c

MALICIOUS — 98a96d832b020ff22986c96156f220fad7fddd825675a31c5f7de961d1a4454c is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the HUILoader family. 7 of 56 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

• SHA-256: 98a96d832b020ff22986c96156f220fad7fddd825675a31c5f7de961d1a4454c
• SHA-1: 1657baa85c928725748a7885ab9a37e739be3441
• MD5: ad016538a1f11db0f32845fff4fd9621
• imphash: 7732c84aec7391973c26fbc2c07a6022
• ssdeep: 24576:W8OJP9zWm8sG9rJkQx4tUjS4bQ6t9WnkdyH35DMw2n/qIjtAT3G:NOJP9zWmTGIgjdsk9WnOK35DMnCIjtA
• TLSH: T1EB55068C021F7301DA36D6602F606E9C9061B0D721797B88EA83D17E17F7F27AD650A9
• Submitted as: 98a96d832b020ff22986c96156f220fad7fddd825675a31c5f7de961d1a4454c
• File type: pe · Size: 1323805 bytes
• Verdict: malicious (100/100) · Family: HUILoader

Detections (7 of 56 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• capa (capabilities): capability:collection/keylog
• ClamAV (daily): Win.Trojan.Generic-9865438-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• LIEF (executable format parser): lief:invalid-authenticode

MITRE ATT&CK

• T1055
• T1071.001
• T1057
• T1056.001
• T1112

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 100/100 is the fusion of 17 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Generic-9865438-0 (rule Win.Trojan.Generic-9865438-0) - engine signal, weight 0.90, confidence 0.95
• Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
• capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
• Contacted 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• LIEF (executable format parser) flagged lief:invalid-authenticode (rule lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70
• YARA: MalwareAnalyser built-in flagged Windows_Injection_Api_Combo (rule Windows_Injection_Api_Combo) - engine signal, weight 0.35, confidence 0.70
• capa (capabilities) flagged capability:collection/keylog (rule capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70
• YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.30, confidence 0.70
• Embedded network infrastructure: 6.0.1.0 - static signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
• enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• inject code into another process (rule inject code into another process) - capa signal, weight 0.12, 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)

5890 behavior events · 1 ATT&CK techniques · 0 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 252.0.0.224.in-addr.arpa.
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• dns.msftncsi.com
• 209.52.40.23.in-addr.arpa.
• 85.52.40.23.in-addr.arpa.
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• v20.events.data.microsoft.com
• config.edge.skype.com
• windows.msn.com
• www.msn.com
• officeclient.microsoft.com
• odc.officeapps.live.com

Embedded URLs

• http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
• http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
• http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
• http://office.microsoft.com/0
• http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
• http://office.microsoft.com
• http://schemas.microsoft.com/SMI/2005/WindowsSettings
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com
• schemas.microsoft.com

Embedded IP addresses

• 6.0.1.0
• 4.150.223.102
• 4.144.132.223
• 4.230.171.124
• 52.110.12.56
• 52.110.12.44
• 184.84.165.171

Registry keys

• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft

File paths

• d:\dbs\el\oc\target\x86\ship\postc2rcross\x-none\msohtmed.pdb
• X:\:`:d:h:l:p:t:x:
• T:\:h:
• T:\:d:l:t:
• D:\:l:p:x:
• O:\:n:x:
• T:\:d:l:
• F:\Office\Target\x86\ship\postc2r\x-none\clview.pdb
• D:\:`:x:

More HUILoader samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report