General

  • Target

    TLauncher-2.876-Installer-1.0.6-global.exe

  • Size

    22.6MB

  • Sample

    230316-wm2qysee21

  • MD5

    2c46460b0b6c89f4993db4ab214fc9ee

  • SHA1

    0a8b0696a59d2635f2303a4f2302cd97ea6d835a

  • SHA256

    7efd1055ea05a8fb0e8dab395b68017720d468d3ffb3ef3baeb501f809528827

  • SHA512

    e79fc7a3bdea24e2425f56b94399b7b732436bec6dc5de3e416a0e0e43ddd8044fc83992f4a1d7a1f86397957f808ce93a40c58c1101566af77a0f62e85a7c44

  • SSDEEP

    393216:YXMHKmnDMP/n8IPfs/dQETVlOBbpFEjdGphRqV56HpkvQFa2Vj4h2cv:Y8q8MH8aHExi73qqHpU2Vj4h/

Malware Config

Targets

    • Target

      TLauncher-2.876-Installer-1.0.6-global.exe

    • Size

      22.6MB

    • MD5

      2c46460b0b6c89f4993db4ab214fc9ee

    • SHA1

      0a8b0696a59d2635f2303a4f2302cd97ea6d835a

    • SHA256

      7efd1055ea05a8fb0e8dab395b68017720d468d3ffb3ef3baeb501f809528827

    • SHA512

      e79fc7a3bdea24e2425f56b94399b7b732436bec6dc5de3e416a0e0e43ddd8044fc83992f4a1d7a1f86397957f808ce93a40c58c1101566af77a0f62e85a7c44

    • SSDEEP

      393216:YXMHKmnDMP/n8IPfs/dQETVlOBbpFEjdGphRqV56HpkvQFa2Vj4h2cv:Y8q8MH8aHExi73qqHpU2Vj4h/

    • BazarBackdoor

      Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.

    • Bazar/Team9 Backdoor payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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.

    • Registers COM server for autorun

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks