MALICIOUS — 57f9cbdd587b286f584b53ccb676bc21fa3ae8652013bdf90d50f2d862430cfb

MALICIOUS — 57f9cbdd587b286f584b53ccb676bc21fa3ae8652013bdf90d50f2d862430cfb is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (90/100), attributed to the Maldoc family. 7 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: 57f9cbdd587b286f584b53ccb676bc21fa3ae8652013bdf90d50f2d862430cfb
• SHA-1: 1022fd6b7fa64594cbefbd28675e9548fc4998a5
• MD5: 1e8b5c84259736f18897a693b962e86d
• imphash: 824c6c6d0ce07d7a82868ee41c437753
• ssdeep: 6144:8uZ7HFHioa1oWRyEuP2UXgp/yVJ+cqfPhV:8uZ7HYoa1ouyESLgpy6/
• TLSH: T19F457CDC8125A386F672DFD06D006D2C50A5F4DA917E2C9A07CFC01F6AE396F622918D
• Submitted as: 57f9cbdd587b286f584b53ccb676bc21fa3ae8652013bdf90d50f2d862430cfb
• File type: pe · Size: 278528 bytes
• Verdict: malicious (90/100) · Family: Maldoc

Detections (7 of 55 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Microsoft Defender: PWS:Win32/Sapbexts.A
• Emsisoft (Emergency Kit): Gen:Variant.Zusy.406898
• Kaspersky (KVRT): UDS:Trojan.Win32.Xxmm.gen

MITRE ATT&CK

• T1071.001
• T1497
• T1055

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 90/100 is the fusion of 7 weighted signals:

• Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
• YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.35, confidence 0.70
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• query domain / anti-analysis (rule query domain / anti-analysis) - capa signal, weight 0.35, confidence 0.60
• Embedded network infrastructure: http://82.146.51.22/dir.php, http://www.slutsstuff.com, http://82.146.51.22/xbrk.php - static signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• http://82.146.51.22/dir.php
• http://www.slutsstuff.com
• http://82.146.51.22/xbrk.php

Embedded domains

• dom2.net
• subdom.dom.com
• www.slutsstuff.com

Embedded IP addresses

• 82.146.51.22

Registry keys

• HKEY_CURRENT_USER\Software\Microsoft\Internet
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet

File paths

• C:\Users\Katy\Desktop\project\hyphernate_proc_exe\Typical
• R:\:b:m:
• T:\:d:l:t:

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report