Overview

overview

10

Static

static

738814f87c...df.exe

windows7-x64

10

738814f87c...df.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    738814f87c44a9fe2963c3d8a4f335cf12e988a6a46f2437627cb468e3c193df

  • Size

    128KB

  • Sample

    221202-et3s6ace77

  • MD5

    e0817495fcad5e019e645c222667d205

  • SHA1

    09f723995470a58ba519efc4d6ebcfad466b7d57

  • SHA256

    738814f87c44a9fe2963c3d8a4f335cf12e988a6a46f2437627cb468e3c193df

  • SHA512

    d5cb26130c38d64e259f6e89590623e074b16f226bec49681e4afd10ed9e6477802953e3f330a3ee020afc8653bef226bb52f010b7ae56c6fc6d25832f52e593

  • SSDEEP

    1536:iQvOWIoFEZDjD1ACzG9wWMoHylbbDhn5WLr2S4a3eJ/8Ikfy6A1dAxAWh:bOKWDjD+UyLaPa3eJ/hr6ArAxAw

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

103.9.150.14

188.190.120.99

119.1.109.61

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      738814f87c44a9fe2963c3d8a4f335cf12e988a6a46f2437627cb468e3c193df

    • Size

      128KB

    • MD5

      e0817495fcad5e019e645c222667d205

    • SHA1

      09f723995470a58ba519efc4d6ebcfad466b7d57

    • SHA256

      738814f87c44a9fe2963c3d8a4f335cf12e988a6a46f2437627cb468e3c193df

    • SHA512

      d5cb26130c38d64e259f6e89590623e074b16f226bec49681e4afd10ed9e6477802953e3f330a3ee020afc8653bef226bb52f010b7ae56c6fc6d25832f52e593

    • SSDEEP

      1536:iQvOWIoFEZDjD1ACzG9wWMoHylbbDhn5WLr2S4a3eJ/8Ikfy6A1dAxAWh:bOKWDjD+UyLaPa3eJ/hr6ArAxAw

    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