Overview

overview

10

Static

static

22b4777ab2...c9.exe

windows7_x64

3

22b4777ab2...c9.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    22b4777ab2a1d8aae71860eecab96c2fdcc6738c22536f4ff68e7c250ac1c8c9

  • Size

    212KB

  • Sample

    220612-ex3mkaebbk

  • MD5

    0c4a0a1d43bc8a7c69fa423ea2923a9f

  • SHA1

    fb2b154989c6fb8b6a9d9b10eb59999f5e84ce8d

  • SHA256

    22b4777ab2a1d8aae71860eecab96c2fdcc6738c22536f4ff68e7c250ac1c8c9

  • SHA512

    d7060323e4a1e1366a367573a387caba66a7eb3a95b9a305461d27043beb634c101e70dda6d61b47b54e751582cb80f843b4ecaeaeca8382a3d605dca52b418b

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

103.232.222.57

111.121.193.242

123.249.0.22

Targets

    • Target

      22b4777ab2a1d8aae71860eecab96c2fdcc6738c22536f4ff68e7c250ac1c8c9

    • Size

      212KB

    • MD5

      0c4a0a1d43bc8a7c69fa423ea2923a9f

    • SHA1

      fb2b154989c6fb8b6a9d9b10eb59999f5e84ce8d

    • SHA256

      22b4777ab2a1d8aae71860eecab96c2fdcc6738c22536f4ff68e7c250ac1c8c9

    • SHA512

      d7060323e4a1e1366a367573a387caba66a7eb3a95b9a305461d27043beb634c101e70dda6d61b47b54e751582cb80f843b4ecaeaeca8382a3d605dca52b418b

    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