General

  • Target

    Transaccion_Recibos.xls

  • Size

    50KB

  • Sample

    240621-f66agsygqc

  • MD5

    c9c6a2b1c94755b93d6200923889827a

  • SHA1

    6de6e84b0c47ff3e816f1eea74be33c2b2b88d71

  • SHA256

    40ec6278632cd557b1b4a71756f605cd1579e1c54f1534c74f15751199fd521c

  • SHA512

    c9ab930fb4c792403a842441093e18a28a33a06773d2fad2dc705e51d477c159781922c16eee056cc0409b4aa496738d201e456a573e24a58989c44904f0411b

  • SSDEEP

    1536:VrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnABIS49hhUT6SPDLktw:VrxEtjPOtioVjDGUU1qfDlaGGx+cL2Q

Malware Config

Extracted

Family

xenorat

C2

91.92.248.167

Mutex

Wolid_rat_nd8859g

Attributes
  • delay

    60000

  • install_path

    appdata

  • port

    1280

  • startup_name

    cms

Targets

    • Target

      Transaccion_Recibos.xls

    • Size

      50KB

    • MD5

      c9c6a2b1c94755b93d6200923889827a

    • SHA1

      6de6e84b0c47ff3e816f1eea74be33c2b2b88d71

    • SHA256

      40ec6278632cd557b1b4a71756f605cd1579e1c54f1534c74f15751199fd521c

    • SHA512

      c9ab930fb4c792403a842441093e18a28a33a06773d2fad2dc705e51d477c159781922c16eee056cc0409b4aa496738d201e456a573e24a58989c44904f0411b

    • SSDEEP

      1536:VrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnABIS49hhUT6SPDLktw:VrxEtjPOtioVjDGUU1qfDlaGGx+cL2Q

    Score
    10/10
    • XenorRat

      XenorRat is a remote access trojan written in C#.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Tasks