MALICIOUS — e77a5b174028a8051b7c4edc3a5ddc745cd2fd80eb095588182aff0ac4114f7f
MALICIOUS — e77a5b174028a8051b7c4edc3a5ddc745cd2fd80eb095588182aff0ac4114f7f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Fileinfector family. 3 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
e77a5b174028a8051b7c4edc3a5ddc745cd2fd80eb095588182aff0ac4114f7f - SHA-1:
1be4cb504b0de04abe953f8307c43110d72bcdd6 - MD5:
fec6d297e61d60d7fc14407947ec770b - imphash:
72e793c2d219d77e6e25707a25ef03fb - ssdeep:
6144:P3ZC5uG5upZ+3ZtZC5uG5upZ+3ZC5upZtZC5uG5upZ+:/tDpwTtDpwtpTtDp - TLSH:
T15F4C83D531D47B10EDB4F858AD00AC2C7152DDA662323BE86802D47F74B97F706A886E - Submitted as: e77a5b174028a8051b7c4edc3a5ddc745cd2fd80eb095588182aff0ac4114f7f
- File type: pe · Size: 527670 bytes
- Verdict: malicious (98/100) · Family: Fileinfector
Detections (3 of 56 engines)
- ClamAV (daily): Win.Dropper.Fileinfector-9832222-0
- LIEF (executable format parser): lief:invalid-authenticode
- Microsoft Defender: Trojan:Win32/CryptInject!pz
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Win.Dropper.Fileinfector-9832222-0 (rule
Win.Dropper.Fileinfector-9832222-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Trojan:Win32/CryptInject!pz (rule
Trojan:Win32/CryptInject!pz) - engine signal, weight 0.55, confidence 0.85 - Contacted 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- 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.pinkworld.com, http://www.youporn.com, http://www.redtube.com - static signal, weight 0.35, 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)
88 behavior events · 0 ATT&CK techniques · 0 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
- th.bing.com
- licensing.mp.microsoft.com
- fe3cr.delivery.mp.microsoft.com
Embedded URLs
- http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
- http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
- http://www.pinkworld.com
- http://www.youporn.com
- http://www.redtube.com
- http://www.assparade.com/
- http://www.freeav.com/
- http://www.antispyware.com/
- http://www.antivirus.com/
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- www.microsoft.com
- crl.microsoft.com
- www.pinkworld.com
- www.youporn.com
- www.redtube.com
- www.assparade.com
- www.freeav.com
- www.antispyware.com
- www.antivirus.com
Embedded IP addresses
- 4.150.223.102
- 4.230.171.124
- 85.210.196.11
- 20.247.184.197
- 74.178.240.51
- 20.165.94.63
- 20.184.175.21
- 172.64.154.167
- 74.178.240.61
- 135.234.160.246
- 172.66.2.5
- 52.110.12.2
- 52.110.12.8
File paths
- d:\agent\_work\9\s\\binaries\x86ret\bin\i386\\msvcp140_codecvt_ids.i386.pdb
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report