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Overview

overview

8

Static

static

3

b786f2635d...f1.exe

windows7-x64

8

b786f2635d...f1.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    b786f2635d3c83d12e5f8fdac3119ec0b901682546fe1c34135d16fcc66af9f1

  • Size

    771KB

  • Sample

    231007-3sk4qaag45

  • MD5

    2a604c135a9b298c982e0601e4ba801f

  • SHA1

    99f4a38884b999d83e8e44ed0003b5615b3b7015

  • SHA256

    b786f2635d3c83d12e5f8fdac3119ec0b901682546fe1c34135d16fcc66af9f1

  • SHA512

    e4c02d439bb25e82da434fe9cf19aef73b21c9d9f262ff9e4fb3db9c31fcd620e4a7ed391bc56ded3c9ab95972b8d1310b0bc134570b9d12bd9ed2a92ad2368f

  • SSDEEP

    12288:U761vvrXBDZZmDmSh7SHSjX4z4ZV4kzI6OcGfAkx4tOF6j+Z:U7qvrXo7ZNX4z4YbcGfAkx4tNE

Score
8/10
evasionpersistence

Malware Config

Targets

    • Target

      b786f2635d3c83d12e5f8fdac3119ec0b901682546fe1c34135d16fcc66af9f1

    • Size

      771KB

    • MD5

      2a604c135a9b298c982e0601e4ba801f

    • SHA1

      99f4a38884b999d83e8e44ed0003b5615b3b7015

    • SHA256

      b786f2635d3c83d12e5f8fdac3119ec0b901682546fe1c34135d16fcc66af9f1

    • SHA512

      e4c02d439bb25e82da434fe9cf19aef73b21c9d9f262ff9e4fb3db9c31fcd620e4a7ed391bc56ded3c9ab95972b8d1310b0bc134570b9d12bd9ed2a92ad2368f

    • SSDEEP

      12288:U761vvrXBDZZmDmSh7SHSjX4z4ZV4kzI6OcGfAkx4tOF6j+Z:U7qvrXo7ZNX4z4YbcGfAkx4tNE

    Score
    8/10
    evasionpersistence

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

      evasion

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Registers COM server for autorun

      persistence

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

5
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks