Overview

overview

10

Static

static

2e084ca9b8...a9.exe

windows7-x64

10

2e084ca9b8...a9.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    2e084ca9b86b432252097b8cbb9fb8b470cc1ca9d3eedb8e9033e2ff09d126a9

  • Size

    668KB

  • Sample

    220725-ewav6aecd7

  • MD5

    897f3c7d741c4d5c7fc96f322a6f5a6a

  • SHA1

    9738e0d5982f1a2255d7a72dc580bc85c554569e

  • SHA256

    2e084ca9b86b432252097b8cbb9fb8b470cc1ca9d3eedb8e9033e2ff09d126a9

  • SHA512

    30c433ff994848289cac9f500b7428b1bc06b119fb3260b0f48e5de0f2f841275ffbfab978d947b23f050acad647dd01925c33ddca9c2fa80cc9d9e50cb0c620

Score
10/10
webmonitorbackdoorinfostealerpersistenceratupx

Malware Config

Extracted

Family

webmonitor

C2

snowhair123.wm01.to:443

Attributes
  • config_key

    kke8E3MMthAVUs3B5qBplqOYCdXuK3lS

  • private_key

    DltfwOvgE

  • url_path

    /recv4.php

Targets

    • Target

      2e084ca9b86b432252097b8cbb9fb8b470cc1ca9d3eedb8e9033e2ff09d126a9

    • Size

      668KB

    • MD5

      897f3c7d741c4d5c7fc96f322a6f5a6a

    • SHA1

      9738e0d5982f1a2255d7a72dc580bc85c554569e

    • SHA256

      2e084ca9b86b432252097b8cbb9fb8b470cc1ca9d3eedb8e9033e2ff09d126a9

    • SHA512

      30c433ff994848289cac9f500b7428b1bc06b119fb3260b0f48e5de0f2f841275ffbfab978d947b23f050acad647dd01925c33ddca9c2fa80cc9d9e50cb0c620

    Score
    10/10
    webmonitorbackdoorinfostealerpersistenceratupx

    • RevcodeRat, WebMonitorRat

      WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

      backdoorratinfostealerwebmonitor

    • WebMonitor payload

    • 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.

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks