MALICIOUS — db18307282d79c2efb9d7a5f2613680607debec0a06af1b42d413d0c0ee98862
MALICIOUS — db18307282d79c2efb9d7a5f2613680607debec0a06af1b42d413d0c0ee98862 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (83/100), attributed to the BunituCrypt family. 6 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
db18307282d79c2efb9d7a5f2613680607debec0a06af1b42d413d0c0ee98862 - SHA-1:
69db0f60ceaf2efb5d75acf2bb6ade99b36bd50f - MD5:
faece2fc5171032baf8d8d4e5fcf13bc - imphash:
b634a1f7fabaa2134a34a1fc60fa718d - ssdeep:
24576:mBLbOgGxXb8EHI5yt1Ks4QyTmpPj/t7WZtXqcrLKs1APFzBCGW8+ifLCEzPjLw1:mYb65ytUvQ2ex7WoZoGPD+izf2Aze - TLSH:
T1C858E03E13AB7223E739C6285815AF6E0035FD9A51B5788C9677543DF3F0CAB2980258 - Submitted as: db18307282d79c2efb9d7a5f2613680607debec0a06af1b42d413d0c0ee98862
- File type: pe · Size: 1715200 bytes
- Verdict: malicious (83/100) · Family: BunituCrypt
Detections (6 of 55 engines)
- capa (capabilities): capability:collection/keylog
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Trojan:Win32/BunituCrypt.RTH!MTB
- Emsisoft (Emergency Kit): Gen:Variant.Jaik.91955
- Trellix Stinger (McAfee): Trojan-FUWF!FAECE2FC5171
- Kaspersky (KVRT): HEUR:Trojan.Win32.Kryptik.gen
MITRE ATT&CK
Why this verdict
The malicious score of 83/100 is the fusion of 4 weighted signals:
- Memory forensics: 4 finding(s), e.g. RWX/private injected region in rundll32.exe (pid 6016) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 32 external host(s) at runtime (28 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
Dynamic analysis (windows)
70 behavior events · 0 ATT&CK techniques · 3 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
- officeclient.microsoft.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- 02cc7480d63ff3b1237e360445c632b1151f9b5295404d833d867ba0adbd6af1 -
02cc7480d63ff3b1237e360445c632b1151f9b5295404d833d867ba0adbd6af1 - 6c95ac45f2a08542614ebc91a4a3ba9b148a5537e3ab5996c3c4743c9d4c51a4 -
6c95ac45f2a08542614ebc91a4a3ba9b148a5537e3ab5996c3c4743c9d4c51a4 - 1f055bf1afe4ea10b48fadf52c7d2fcffd6e924d1dc9b2988f62bc9f814823ab -
1f055bf1afe4ea10b48fadf52c7d2fcffd6e924d1dc9b2988f62bc9f814823ab
Embedded URLs
- 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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787856065&P2=404&P3=2&P4=CDtIruYWP3AqXn2XGIPTN3CqKyc7v3tKbBjLL9Xko1jbJ9x3Chkz85QBT5%2bSAA3dOquZOT2yelIXYvgU8sDA%2fA%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=1787856112&P2=404&P3=2&P4=gxX9fn9f5SoC6hajm0EvuXfJmGo7UdYor54wc0Jrhox3%2bMVgO9nMkz99fedxBhTOCIydzDjwdlbo3GQSvKtj5w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787252882&P2=404&P3=2&P4=kCfGNsKdzNb6%2fxXQpAs41uv8PNY%2f2TY1qPAJYD5Yt0ubYNP2pNkIteeTPXpjHYItmhL5Ffj%2fFnaK6pxDKc9Mlw%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787252421&P2=404&P3=2&P4=Xh04gbTBJ4AEeOX5O%2boPLXv%2frd64Hah0cJ%2fOhxENP%2bYlY3tYEISzS9M3colWUInlXhqdYBDsdfekOj6gsBQTvA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 52.123.252.219
- 4.150.223.103
- 52.123.252.226
- 4.230.171.124
- 20.42.179.204
- 52.230.60.54
- 57.155.101.212
- 74.178.76.128
- 135.232.92.97
- 20.42.65.94
- 52.123.129.14
- 52.123.128.14
- 20.76.201.171
- 40.103.64.226
- 203.26.79.13
- 52.123.252.197
- 74.178.232.29
- 52.123.252.192
- 52.123.252.193
- 135.233.45.221
- 52.110.12.25
- 52.110.12.1
- 52.123.252.220
- 52.148.114.188
- 72.154.7.98
File paths
- X:\:`:d:h:t:
- J:\:s:
- X:\:`:d:h:l:p:t:x:
- X:\:h:
- R:\:f:p:
- X:\:`:t:
- X:\:`:d:t:
- L:\:d:h:l:p:t:x:
More BunituCrypt samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report