Overview

overview

10

Static

static

5f169cada1...a5.exe

windows7-x64

3

5f169cada1...a5.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    5f169cada11fffca75af5eb67f6d0fd92c1042cca1ed460aa7196e4a9ecbb1a5

  • Size

    160KB

  • Sample

    220731-wx1xeacbbn

  • MD5

    0c4d08e0b8da928708643b270420852d

  • SHA1

    fcc3d633223a431ccc725c89403730ef506b49d7

  • SHA256

    5f169cada11fffca75af5eb67f6d0fd92c1042cca1ed460aa7196e4a9ecbb1a5

  • SHA512

    baf7d0ab12f2f0133b24daf6b3cc046c2cc4963de5926e611cd4138d2c49df860e339d39d99a4c17435f00ddcc640a87295a5fbfb688fef044f1d7a0b5b97605

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

103.232.222.57

111.121.193.242

123.249.0.22

Targets

    • Target

      5f169cada11fffca75af5eb67f6d0fd92c1042cca1ed460aa7196e4a9ecbb1a5

    • Size

      160KB

    • MD5

      0c4d08e0b8da928708643b270420852d

    • SHA1

      fcc3d633223a431ccc725c89403730ef506b49d7

    • SHA256

      5f169cada11fffca75af5eb67f6d0fd92c1042cca1ed460aa7196e4a9ecbb1a5

    • SHA512

      baf7d0ab12f2f0133b24daf6b3cc046c2cc4963de5926e611cd4138d2c49df860e339d39d99a4c17435f00ddcc640a87295a5fbfb688fef044f1d7a0b5b97605

    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