SUSPICIOUS — aac64fb42d2220a3d97b7df68923d323379412f5dab3058835314a66417df3a2.bat
SUSPICIOUS — aac64fb42d2220a3d97b7df68923d323379412f5dab3058835314a66417df3a2.bat is a script sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (54/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
aac64fb42d2220a3d97b7df68923d323379412f5dab3058835314a66417df3a2 - SHA-1:
7f91e0aefcb3af9968995f5f26feaf9570061c5a - MD5:
c02fddeba5cd5fceac32c32ade329ebd - ssdeep:
384:TKJz40B7hi0paPloaldzAMgHUKh9Yz5o7mcsiQB9xpdy5dB8duRGUaZdgpd1ybxv:2WSR0/AAlimbUrtr45A+daUnIAd - TLSH:
T12C32C5DD51A1292B729F80753BD13300F32F7C461EF4010EE9AB9CC9B754268F96689A - Submitted as: aac64fb42d2220a3d97b7df68923d323379412f5dab3058835314a66417df3a2.bat
- File type: script · Size: 44646 bytes
- Verdict: suspicious (54/100)
Detections (3 of 53 engines)
- capa (capabilities): capability:execution/powershell
- YARA: delivr.to detections: DLV_LNK_PowerShell_Launcher
- YARA: MalwareAnalyser community pack: TL_Windows_Persistence_RunKey
MITRE ATT&CK
Why this verdict
The suspicious score of 54/100 is the fusion of 5 weighted signals:
- Obfuscated powershell script: encoded-command, hidden-window, persistence, defense-evasion (layers: base64) (rule
script-deobfuscation) - static signal, weight 0.55, confidence 0.75 - execute via PowerShell (rule
execute via PowerShell) - capa signal, weight 0.40, confidence 0.80 - YARA: delivr.to detections flagged DLV_LNK_PowerShell_Launcher (rule
DLV_LNK_PowerShell_Launcher) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser community pack flagged TL_Windows_Persistence_RunKey (rule
TL_Windows_Persistence_RunKey) - 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
Dynamic analysis (windows)
1 behavior events · 0 ATT&CK techniques · 0 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
- officeclient.microsoft.com
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
Embedded IP addresses
- 20.184.175.7
- 4.230.171.124
- 48.211.4.16
- 20.247.184.142
- 4.247.188.233
- 135.232.92.137
- 74.178.240.51
- 20.42.73.27
- 74.179.77.204
- 4.150.223.112
- 40.99.133.210
- 20.231.239.246
- 162.159.142.9
- 52.123.128.14
- 72.154.7.108
- 74.178.232.29
- 52.148.114.188
- 203.26.79.13
- 52.123.252.248
- 52.110.12.51
- 52.110.12.14
Registry keys
- HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report