Overview

overview

10

Static

static

2de8fd8473...9d.exe

windows7_x64

3

2de8fd8473...9d.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    2de8fd847371819c1b024b4f62eb7349ae5297675ca2c0ed768f48a759e17d9d

  • Size

    208KB

  • Sample

    220622-qd7yqafbcq

  • MD5

    86e4f9c522e0e695b192c86907198c06

  • SHA1

    caf09ee17cd783a25f1324f07628a7eb31f0fe0c

  • SHA256

    2de8fd847371819c1b024b4f62eb7349ae5297675ca2c0ed768f48a759e17d9d

  • SHA512

    499e9d943e3c915630f443e6b4ac44e0c1b04955e70cfb118ac6c3e2a8fceebdb639daeb93475eb0dbaa69198abb9f37f9a4eb5fba71ad64117bb7b0258ea6ad

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

103.232.222.57

111.121.193.242

123.249.0.22

Targets

    • Target

      2de8fd847371819c1b024b4f62eb7349ae5297675ca2c0ed768f48a759e17d9d

    • Size

      208KB

    • MD5

      86e4f9c522e0e695b192c86907198c06

    • SHA1

      caf09ee17cd783a25f1324f07628a7eb31f0fe0c

    • SHA256

      2de8fd847371819c1b024b4f62eb7349ae5297675ca2c0ed768f48a759e17d9d

    • SHA512

      499e9d943e3c915630f443e6b4ac44e0c1b04955e70cfb118ac6c3e2a8fceebdb639daeb93475eb0dbaa69198abb9f37f9a4eb5fba71ad64117bb7b0258ea6ad

    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