General

  • Target

    file.exe

  • Size

    7.3MB

  • Sample

    230206-tkmsxaaa3x

  • MD5

    01edc1f02ddb4baad6444a57a14f7901

  • SHA1

    a028ce7a1a6e255028942ac2e8e033be95bc61fb

  • SHA256

    802d1206ae6e3b640bd89c3b9a5324dc6a81000709fc07c24c6322a08aa403e2

  • SHA512

    82733a48cea564a12fa51082781d27c6e22530d643be56e53fe799b449c4739492fdd34f2fd51dcebe2462a7cd6883548cbc2e361c86963b9b7102dffefd3952

  • SSDEEP

    196608:91OUjk2aGT4VbKQM3POFeNBMKtQb2FNqSs:3OV2T4Vbw/O4gKYiHs

Malware Config

Targets

    • Target

      file.exe

    • Size

      7.3MB

    • MD5

      01edc1f02ddb4baad6444a57a14f7901

    • SHA1

      a028ce7a1a6e255028942ac2e8e033be95bc61fb

    • SHA256

      802d1206ae6e3b640bd89c3b9a5324dc6a81000709fc07c24c6322a08aa403e2

    • SHA512

      82733a48cea564a12fa51082781d27c6e22530d643be56e53fe799b449c4739492fdd34f2fd51dcebe2462a7cd6883548cbc2e361c86963b9b7102dffefd3952

    • SSDEEP

      196608:91OUjk2aGT4VbKQM3POFeNBMKtQb2FNqSs:3OV2T4Vbw/O4gKYiHs

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Blocklisted process makes network request

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • 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.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks