Overview

overview

10

Static

static

13273e8bbc...74.dll

windows7_x64

10

13273e8bbc...74.dll

windows10-2004_x64

1

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General

  • Target

    13273e8bbcd46160e0f3e1e7095b0a0ed79fe4f592871661a34a3068c0c1a174

  • Size

    4.0MB

  • Sample

    220524-vaqx9adgcj

  • MD5

    a37a6a4e999d48740013ee70916a392c

  • SHA1

    c7cbab63161c97a309b94cd9960660b72fb8eb67

  • SHA256

    13273e8bbcd46160e0f3e1e7095b0a0ed79fe4f592871661a34a3068c0c1a174

  • SHA512

    542a32839881c42b877ff6aa5f296cae21357a7fb4c04fb37ca07da6623941dcc74a1b9a6b8e577a43fd5853c68d8a6d2f51d5ecc4c3185b258d7554edcca18a

Score
10/10
vanillaratevasionpersistencerat

Malware Config

Targets

    • Target

      13273e8bbcd46160e0f3e1e7095b0a0ed79fe4f592871661a34a3068c0c1a174

    • Size

      4.0MB

    • MD5

      a37a6a4e999d48740013ee70916a392c

    • SHA1

      c7cbab63161c97a309b94cd9960660b72fb8eb67

    • SHA256

      13273e8bbcd46160e0f3e1e7095b0a0ed79fe4f592871661a34a3068c0c1a174

    • SHA512

      542a32839881c42b877ff6aa5f296cae21357a7fb4c04fb37ca07da6623941dcc74a1b9a6b8e577a43fd5853c68d8a6d2f51d5ecc4c3185b258d7554edcca18a

    Score
    10/10
    vanillaratevasionpersistencerat

    • VanillaRat

      VanillaRat is an advanced remote administration tool coded in C#.

      ratvanillarat

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Vanilla Rat Payload

      rat

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks