webmonitor | e8bde67605e6f54c71e889036fb6fd1d301438aa2f93447eab9f3de8780dbcb2

General

Target

e8bde67605e6f54c71e889036fb6fd1d301438aa2f93447eab9f3de8780dbcb2
Size

5.9MB
Sample

220502-wv4khsfbhr
MD5

390631e07e9b222c486f6c09fb4d007e
SHA1

bd4ce4a8eeef7effad15dcdf704e9ad8f8a4de1f
SHA256

e8bde67605e6f54c71e889036fb6fd1d301438aa2f93447eab9f3de8780dbcb2
SHA512

bfb68feca7437efd05b3d1d6f7549573e63ac2e99d854186b90aaafec6ae070e56e06533cb7a708279bb0b3883c341ae7a9fa52a12198831836ff30826ea8cde

Score

10^/10

Malware Config

Targets

- Target
  
  e8bde67605e6f54c71e889036fb6fd1d301438aa2f93447eab9f3de8780dbcb2
- Size
  
  5.9MB
- MD5
  
  390631e07e9b222c486f6c09fb4d007e
- SHA1
  
  bd4ce4a8eeef7effad15dcdf704e9ad8f8a4de1f
- SHA256
  
  e8bde67605e6f54c71e889036fb6fd1d301438aa2f93447eab9f3de8780dbcb2
- SHA512
  
  bfb68feca7437efd05b3d1d6f7549573e63ac2e99d854186b90aaafec6ae070e56e06533cb7a708279bb0b3883c341ae7a9fa52a12198831836ff30826ea8cde
Score

10^/10

webmonitor backdoor infostealer persistence rat upx suricata
- Modifies WinLogon for persistence
  persistence
- RevcodeRat, WebMonitorRat
  WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
  backdoor rat infostealer webmonitor
- WebMonitor Payload
- suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
  suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
  suricata
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Unexpected DNS network traffic destination
  Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Targets

Modifies WinLogon for persistence

RevcodeRat, WebMonitorRat

WebMonitor Payload

suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup

Executes dropped EXE

UPX packed file

Checks computer location settings

Loads dropped DLL

Unexpected DNS network traffic destination

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks

static1

behavioral1

behavioral2