MALICIOUS — af1b5c3cf9b552112f1ff2e8272d1fbc4569c323650476b11dcd49273c488618
MALICIOUS — af1b5c3cf9b552112f1ff2e8272d1fbc4569c323650476b11dcd49273c488618 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Maldoc family. 5 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
af1b5c3cf9b552112f1ff2e8272d1fbc4569c323650476b11dcd49273c488618 - SHA-1:
12f9a62d0bb79cd4f0912098708f5de951eb3f16 - MD5:
b447688497e8ba7bf5f2a3996f2bbebd - imphash:
62395d0562fbc260dff7614e538118df - ssdeep:
49152:lhKPgssSt2g6toNZmErYtWrl9HGiCTekN:lhv7St5NZhAWHtk - TLSH:
T17C5D6D9D560EB702C236CB246D70B9DC5471B1D531BA73AC1E0686BB01A782BFD7206E - Submitted as: af1b5c3cf9b552112f1ff2e8272d1fbc4569c323650476b11dcd49273c488618
- File type: pe · Size: 2736128 bytes
- Verdict: malicious (99/100) · Family: Maldoc
Detections (5 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Trojan.Generic-9907165-0
- YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- LIEF (executable format parser): lief:invalid-authenticode
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 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: 3 finding(s), e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory signal, weight 0.55, confidence 0.85 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 20 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
- 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 - LIEF (executable format parser) flagged lief:invalid-authenticode (rule
lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70 - persist via registry run key (rule
persist via registry run key) - capa signal, weight 0.35, confidence 0.60 - Embedded network infrastructure: http://www.symauth.com/cps0, http://www.symauth.com/rpa04, http://www.symauth.com/cps09 - 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 - Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
141 behavior events · 0 ATT&CK techniques · 1 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
- settings-win.data.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\AdobeARM.log -
80f3b8d1fd148c1304026a99458253df735e2d1cdcfe08a59d325500d25e4f3a
Embedded URLs
- https://armmf.adobe.com/arm-manifests/win/
- http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
- http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
- http://crl.thawte.com/ThawteTimestampingCA.crl0
- http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
- http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
- http://crl.verisign.com/pca3.crl0
- https://www.verisign.com/cps0
- http://logo.verisign.com/vslogo.gif04
- http://www.symauth.com/cps0
- http://www.symauth.com/rpa04
- http://crl.verisign.com/pca3-g5.crl0
- http://www.symauth.com/cps09
- http://evcs-crl.ws.symantec.com/evcs.crl0
- http://evcs-aia.ws.symantec.com/evcs.cer0
- 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=1787910978&P2=404&P3=2&P4=gjx%2fd%2bX5AAKLzEX1ZNkKnVH8UgNsJhNgK7hnWmjkIYzdi5AAmUaChus2HIj4duPSpm9uPAxeS6DobsEReQBXWQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- armmf.adobe.com
- www.adobe.com
- crl.thawte.com
- ts-aia.ws.symantec.com
- ts-crl.ws.symantec.com
- crl.verisign.com
- www.verisign.com
- logo.verisign.com
- www.symauth.com
- evcs-crl.ws.symantec.com
- evcs-aia.ws.symantec.com
- www.eyuyan.com
Embedded IP addresses
- 1.7.2.0
- 20.184.175.16
- 57.154.63.210
- 4.230.171.124
- 52.253.84.76
- 74.178.76.128
- 20.184.175.22
- 74.178.76.54
- 20.231.239.246
- 40.103.64.226
- 52.123.129.14
- 52.123.128.14
- 172.66.2.5
- 20.42.65.93
- 203.26.79.13
- 172.178.240.163
- 52.148.114.188
- 74.178.76.44
- 72.145.35.106
- 52.110.12.52
- 52.110.12.40
File paths
- f:\CB\ARM_Sustaining\BuildResults\bin\Win32\Release\AdobeARM.pdb
- R:\:m:{:
- D:\:q:
- X:\:`:d:h:l:p:t:
- T:\:d:l:t:
- T:\:d:l:x:
- f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\filecore.cpp
- f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\appcore.cpp
- f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\array_s.cpp
- f:\dd\vctools\vc7libs\ship\atlmfc\include\afxwin2.inl
- f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\filetxt.cpp
- f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\auxdata.cpp
- C:\Program
More Maldoc samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report