Overview

overview

10

Static

static

9b05b05532...f1.exe

windows7-x64

10

9b05b05532...f1.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    9b05b05532fac19bb2945c236b032037a7cd0b0d5149fccfc30e7fb3f6b825f1

  • Size

    112KB

  • Sample

    221203-t6wypsbh5v

  • MD5

    5a6a31f7c26edcbd7451fc754cededa0

  • SHA1

    2d206c40b063cc9734eaff5f3404a02c891a3715

  • SHA256

    9b05b05532fac19bb2945c236b032037a7cd0b0d5149fccfc30e7fb3f6b825f1

  • SHA512

    78e32f09e75314b317c14e4c0b1f9b1a82aa8090ca494b03e6f4cb717a7554d05029441da119972cb7053cef5dfb5095ef92559f2113bbce8cce8febbefbdba5

  • SSDEEP

    3072:stS1US4uacfhaYd2gya+DW58DzS2jbxWGqeo:stS7faqcYd2seHSbGqeo

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

91.218.39.211

188.130.237.44

91.204.162.103

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      9b05b05532fac19bb2945c236b032037a7cd0b0d5149fccfc30e7fb3f6b825f1

    • Size

      112KB

    • MD5

      5a6a31f7c26edcbd7451fc754cededa0

    • SHA1

      2d206c40b063cc9734eaff5f3404a02c891a3715

    • SHA256

      9b05b05532fac19bb2945c236b032037a7cd0b0d5149fccfc30e7fb3f6b825f1

    • SHA512

      78e32f09e75314b317c14e4c0b1f9b1a82aa8090ca494b03e6f4cb717a7554d05029441da119972cb7053cef5dfb5095ef92559f2113bbce8cce8febbefbdba5

    • SSDEEP

      3072:stS1US4uacfhaYd2gya+DW58DzS2jbxWGqeo:stS7faqcYd2seHSbGqeo

    Score
    10/10
    tofseepersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks