Overview

overview

10

Static

static

51fba2abdd...ca.exe

windows7-x64

3

51fba2abdd...ca.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    51fba2abdd4534452a45581adf29490a64c39e7ef17c3b592d16c912228f5bca

  • Size

    208KB

  • Sample

    220717-q6esmsbfdl

  • MD5

    0d30c2ceed9bcddf16e349a0f1c87ee4

  • SHA1

    9cd7d44d94ad0638204e09311bf7f065991d442a

  • SHA256

    51fba2abdd4534452a45581adf29490a64c39e7ef17c3b592d16c912228f5bca

  • SHA512

    8db23f50074d3e6cbe53bc02d9096072de5f5dc7ede3ee00734822f7b43a8fcc7cc232c7fadf9de3cd490f4204b9c944bd6fe5acb3a37550089762b0d0d83d05

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

103.232.222.57

111.121.193.242

123.249.0.22

Targets

    • Target

      51fba2abdd4534452a45581adf29490a64c39e7ef17c3b592d16c912228f5bca

    • Size

      208KB

    • MD5

      0d30c2ceed9bcddf16e349a0f1c87ee4

    • SHA1

      9cd7d44d94ad0638204e09311bf7f065991d442a

    • SHA256

      51fba2abdd4534452a45581adf29490a64c39e7ef17c3b592d16c912228f5bca

    • SHA512

      8db23f50074d3e6cbe53bc02d9096072de5f5dc7ede3ee00734822f7b43a8fcc7cc232c7fadf9de3cd490f4204b9c944bd6fe5acb3a37550089762b0d0d83d05

    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.

    • 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