Overview

overview

10

Static

static

0e93b345b1...33.exe

windows7_x64

10

0e93b345b1...33.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    0e93b345b164d54c41d40ed86a860ec279c444a7dd809ae8fe31c12ed8848033

  • Size

    196KB

  • Sample

    220604-w4f6ksehdn

  • MD5

    371e8928f2518f19e3439a7f1870b6ce

  • SHA1

    685d65f85a1e23324fa378f9301a36a52ace4759

  • SHA256

    0e93b345b164d54c41d40ed86a860ec279c444a7dd809ae8fe31c12ed8848033

  • SHA512

    32703ea0d84be57d5efda99d0a4746d1c4fb5e6a634d24fe8760b6bfbeb23141f34212ea4d17c35497635f2ee4b02aba482577b1f1f3cc872bce903c6604787e

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

103.232.222.57

111.121.193.242

123.249.0.22

Targets

    • Target

      0e93b345b164d54c41d40ed86a860ec279c444a7dd809ae8fe31c12ed8848033

    • Size

      196KB

    • MD5

      371e8928f2518f19e3439a7f1870b6ce

    • SHA1

      685d65f85a1e23324fa378f9301a36a52ace4759

    • SHA256

      0e93b345b164d54c41d40ed86a860ec279c444a7dd809ae8fe31c12ed8848033

    • SHA512

      32703ea0d84be57d5efda99d0a4746d1c4fb5e6a634d24fe8760b6bfbeb23141f34212ea4d17c35497635f2ee4b02aba482577b1f1f3cc872bce903c6604787e

    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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks