Overview

overview

10

Static

static

b2e1156c89...e2.exe

windows7_x64

10

b2e1156c89...e2.exe

windows10_x64

10

Sharing

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General

  • Target

    b2e1156c89468ab56a6ed5376b5cbce2

  • Size

    10.5MB

  • Sample

    201117-8hgr5xm3hs

  • MD5

    7e49c6d5c9d1c11cb5f262c62a1f031a

  • SHA1

    0807651afb645375e19422bc8ae1f39e8a8c4b36

  • SHA256

    bfcc5198ba8aa2246e4e0f413d2e563b9c0776dff2270de0f98bfeb3f4043caa

  • SHA512

    353779e83cf4d92f8c29f6603ad9186777ccf76c820a230106a8080f1227c3747b63bca37f18fa524b8420a760bf23f6f8411418a7e325fefbad6ebe62b03bc7

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Targets

    • Target

      b2e1156c89468ab56a6ed5376b5cbce2

    • Size

      10.5MB

    • MD5

      7e49c6d5c9d1c11cb5f262c62a1f031a

    • SHA1

      0807651afb645375e19422bc8ae1f39e8a8c4b36

    • SHA256

      bfcc5198ba8aa2246e4e0f413d2e563b9c0776dff2270de0f98bfeb3f4043caa

    • SHA512

      353779e83cf4d92f8c29f6603ad9186777ccf76c820a230106a8080f1227c3747b63bca37f18fa524b8420a760bf23f6f8411418a7e325fefbad6ebe62b03bc7

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

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

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistence

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Deletes itself

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Modifies service

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks