MALICIOUS — 4d0e7703a1e13982b31e760231e1b38dfeeefb1ae801a28cbf7104caf209040b
MALICIOUS — 4d0e7703a1e13982b31e760231e1b38dfeeefb1ae801a28cbf7104caf209040b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the Ursu family. 3 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
4d0e7703a1e13982b31e760231e1b38dfeeefb1ae801a28cbf7104caf209040b - SHA-1:
f1c21832d7af5a5cf23e95f21f48ed7f574df405 - MD5:
9f924cf19e5a34ba62f31559936593b2 - imphash:
9a48e0c3fcb7f3efe26b8ef4b97a609a - ssdeep:
98304:RGB/hQ2N3eETMNo0uHX/EmB2ot+YUi0ce42Eej3GL9:RGDN3eETMNoyo+Yi2B - TLSH:
T19063DE895350E208F5ED8780A450BD6E3C77A0CA38BF5949B9E3C16B73D9C6F5039262 - Submitted as: 4d0e7703a1e13982b31e760231e1b38dfeeefb1ae801a28cbf7104caf209040b
- File type: pe · Size: 5002727 bytes
- Verdict: malicious (97/100) · Family: Ursu
Detections (3 of 56 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Keylogger.Ursu-9870720-0
- YARA: Yara-Rules community: YR_AntiDebug_Checks
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Win.Keylogger.Ursu-9870720-0 (rule
Win.Keylogger.Ursu-9870720-0) - engine signal, weight 0.90, confidence 0.95 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 5 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 - capa (capabilities) flagged capability:collection/keylog (rule
capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: http://www.clickteam.com - static signal, weight 0.35, confidence 0.60
- Dropped 4 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- 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)
4172 behavior events · 0 ATT&CK techniques · 4 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ctldl.windowsupdate.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- officeclient.microsoft.com
- www.msn.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- assets.msn.com
- www.bing.com
- aefd.nelreports.net
- licensing.mp.microsoft.com
- fe3cr.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\mrtEA50.tmp\mmf2d3d11.dll -
5f6563d6bf2f3ceab8b2ca2c15ba4f7fe882a82c1f72b10041b5692c6515a53a - C:\Users\analyst\AppData\Local\Temp\mrtEA50.tmp\mmf2d3d9.dll -
bddda991185a9e83b9855a109f2fcfa78cd2d5402e9db344c6ec77f6ce69a0c5 - C:\Users\analyst\AppData\Local\Temp\mrtEA50.tmp\mmf2d3d8.dll -
aad3c93f3f12b3469a0f6794f7fb5928727702dba5fe69dd43047cc2adb25095 - C:\Users\analyst\AppData\Local\Temp\mrtEA50.tmp\mmfs2.dll -
763ef4484ba9b9e10e19268c045732515f0ac143cf075e6d1ea1f5adcc77633b
Embedded URLs
- http://www.clickteam.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- www.clickteam.com
- aefd.nelreports.net
Embedded IP addresses
- 4.207.44.68
- 4.230.171.124
- 172.215.188.232
- 4.247.188.233
- 20.247.185.124
- 135.232.92.97
- 52.168.112.67
- 74.178.76.128
- 20.50.80.215
- 72.145.35.111
- 52.148.114.188
- 52.110.12.32
- 52.110.12.14
File paths
- G:\:
- M:\:k:z:
- H:\:k:
- g:\;h;x;
- X:\:`:d:h:l:p:t:x:
- E:\mmf2_refresh_unicode\dll\Obj\Release\mmfs2.pdb
- X:\:`:d:
- T:\:d:l:t:
- A:\!
More Ursu samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report