General

  • Target

    var.exe

  • Size

    18.8MB

  • Sample

    240614-v9pt8szgkd

  • MD5

    6698607b344b047affb9f66a6179ac4a

  • SHA1

    0dc3ef2cd2ffe3a4c52c6fd01a5501d7b84ae8d6

  • SHA256

    a12cb2d529a95798160114bdb6fb389553d3cc1d8bd10a5c8295d5a0c74e257c

  • SHA512

    9cc65d4b81fd0462b415ecb6cd978b48b23e0665eaf6b51348be8060f93e16a900a7a32e3560b9f3ef49c3f226f6b43e6962d1fc1ca90206f12186837c53fcbe

  • SSDEEP

    393216:IzMgOJRWTBOoNKzgDBxPo4qzTR/lxzQWfrbjlPmJ4gAYCSOXIfbjWp:CMgOJRWT5K0xPdqzhQWTbxeJ4OIXYWp

Malware Config

Targets

    • Target

      var.exe

    • Size

      18.8MB

    • MD5

      6698607b344b047affb9f66a6179ac4a

    • SHA1

      0dc3ef2cd2ffe3a4c52c6fd01a5501d7b84ae8d6

    • SHA256

      a12cb2d529a95798160114bdb6fb389553d3cc1d8bd10a5c8295d5a0c74e257c

    • SHA512

      9cc65d4b81fd0462b415ecb6cd978b48b23e0665eaf6b51348be8060f93e16a900a7a32e3560b9f3ef49c3f226f6b43e6962d1fc1ca90206f12186837c53fcbe

    • SSDEEP

      393216:IzMgOJRWTBOoNKzgDBxPo4qzTR/lxzQWfrbjlPmJ4gAYCSOXIfbjWp:CMgOJRWT5K0xPdqzhQWTbxeJ4OIXYWp

    • Creates new service(s)

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks